Merge branch 'master' of git://anongit.freedesktop.org/wayland

Conflicts:
	clients/window.h

clients/Makefile.am

@@ -7,22 +7,18 @@ noinst_PROGRAMS =				\
 	$(poppler_programs)			\
 	dnd					\
 	smoke					\
-	resizor
+	resizor					\
+	simple-client
 
 noinst_LTLIBRARIES = libtoytoolkit.la
 
-INCLUDES =					\
+AM_CFLAGS = $(GCC_CFLAGS)
+AM_CPPFLAGS =					\
+	-DDATADIR='"$(datadir)"'		\
 	-I$(top_srcdir)/wayland			\
 	-I$(top_builddir)/wayland		\
 	$(CLIENT_CFLAGS)
 
-LDADD = libtoytoolkit.la				\
-	$(top_builddir)/wayland/libwayland-client.la	\
-	$(CLIENT_LIBS) -lrt -lm
-
-AM_CFLAGS = $(GCC_CFLAGS)
-AM_CPPFLAGS = -DDATADIR='"$(datadir)"'
-
 libtoytoolkit_la_SOURCES =			\
 	window.c				\
 	window.h				\
@@ -31,14 +27,38 @@ libtoytoolkit_la_SOURCES =			\
 	cairo-util.c				\
 	cairo-util.h
 
-flower_SOURCES = flower.c
+toolkit_libs =						\
-smoke_SOURCES = smoke.c
+	libtoytoolkit.la				\
+	$(top_builddir)/wayland/libwayland-client.la	\
+	$(CLIENT_LIBS) -lrt -lm
+
 gears_SOURCES = gears.c
+gears_LDADD = $(toolkit_libs)
+
+flower_SOURCES = flower.c
+flower_LDADD = $(toolkit_libs)
+
 screenshot_SOURCES = screenshot.c screenshooter-protocol.c
+screenshot_LDADD = $(toolkit_libs)
+
 terminal_SOURCES = terminal.c
+terminal_LDADD = $(toolkit_libs) -lutil
+
 image_SOURCES = image.c
+image_LDADD = $(toolkit_libs)
+
 dnd_SOURCES = dnd.c
+dnd_LDADD = $(toolkit_libs)
+
+smoke_SOURCES = smoke.c
+smoke_LDADD = $(toolkit_libs)
+
 resizor_SOURCES = resizor.c
+resizor_LDADD = $(toolkit_libs)
+
+simple_client_SOURCES = simple-client.c
+simple_client_LDADD = \
+	$(top_builddir)/wayland/libwayland-client.la -lm $(GLES2_LIBS)
 
 BUILT_SOURCES =					\
 	screenshooter-client-protocol.h		\
@@ -48,11 +68,9 @@ CLEANFILES = $(BUILT_SOURCES)
 
 include $(top_srcdir)/wayland/scanner.mk
 
-terminal_LDADD = $(LDADD) -lutil
-
 if HAVE_POPPLER
 poppler_programs = view
 view_SOURCES = view.c
-view_LDADD = $(LDADD) $(POPPLER_LIBS)
+view_LDADD = $(toolkit_libs) $(POPPLER_LIBS)
-view_CPPFLAGS = $(POPPLER_CFLAGS)
+view_CPPFLAGS = $(AM_CPPFLAGS) $(POPPLER_CFLAGS)
 endif

clients/dnd.c

@@ -171,21 +171,20 @@ dnd_draw(struct dnd *dnd)
 {
 	struct rectangle allocation;
 	cairo_t *cr;
-	cairo_surface_t *wsurface, *surface;
+	cairo_surface_t *surface;
 	int i;
 
 	window_draw(dnd->window);
 
-	window_get_child_allocation(dnd->window, &allocation);
+	surface = window_get_surface(dnd->window);
-
-	wsurface = window_get_surface(dnd->window);
-	surface = cairo_surface_create_similar(wsurface,
-					       CAIRO_CONTENT_COLOR_ALPHA,
-					       allocation.width,
-					       allocation.height);
-	cairo_surface_destroy(wsurface);
-
 	cr = cairo_create(surface);
+	window_get_child_allocation(dnd->window, &allocation);
+	cairo_rectangle(cr, allocation.x, allocation.y,
+			allocation.width, allocation.height);
+	cairo_clip(cr);
+	cairo_push_group(cr);
+
+	cairo_translate(cr, allocation.x, allocation.y);
 	cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
 	cairo_set_source_rgba(cr, 0, 0, 0, 0.8);
 	cairo_paint(cr);
@@ -199,9 +198,9 @@ dnd_draw(struct dnd *dnd)
 		cairo_paint(cr);
 	}
 
+	cairo_pop_group_to_source(cr);
+	cairo_paint(cr);
 	cairo_destroy(cr);
-
-	window_copy_surface(dnd->window, &allocation, surface);
 	cairo_surface_destroy(surface);
 	window_flush(dnd->window);
 }
@@ -487,10 +486,17 @@ static const struct wl_drag_offer_listener drag_offer_listener = {
 };
 
 static void
-drag_offer_handler(struct wl_drag_offer *offer, struct display *display)
+global_handler(struct display *display,
+	       const char *interface, uint32_t id, uint32_t version)
 {
+	struct wl_drag_offer *offer;
 	struct dnd_offer *dnd_offer;
 
+	if (strcmp(interface, "drag_offer") != 0)
+		return;
+
+	offer = wl_drag_offer_create(display_get_display(display), id);
+
 	dnd_offer = malloc(sizeof *dnd_offer);
 	if (dnd_offer == NULL)
 		return;
@@ -681,7 +687,7 @@ main(int argc, char *argv[])
 		return -1;
 	}
 
-	display_set_drag_offer_handler(d, drag_offer_handler);
+	display_set_global_handler(d, global_handler);
 
 	dnd = dnd_create (d);
 

clients/gears.c

@@ -212,7 +212,7 @@ allocate_buffer(struct gears *gears)
 	window_draw(gears->window);
 
 	gears->surface[gears->current] = window_get_surface(gears->window);
-#ifdef HAVE_CAIRO_GL
+#ifdef HAVE_CAIRO_EGL
 	image = display_get_image_for_drm_surface(gears->display,
 						  gears->surface[gears->current]);
 #else /* XXX: hack to make Wayland compile, even if this example doesn't run */

clients/image.c

@@ -140,7 +140,7 @@ image_draw(struct image *image)
 	struct rectangle allocation;
 	GdkPixbuf *pb;
 	cairo_t *cr;
-	cairo_surface_t *wsurface, *surface;
+	cairo_surface_t *surface;
 
 	window_draw(image->window);
 
@@ -153,14 +153,15 @@ image_draw(struct image *image)
 	if (pb == NULL)
 		return;
 
-	wsurface = window_get_surface(image->window);
+	surface = window_get_surface(image->window);
-	surface = cairo_surface_create_similar(wsurface,
-					       CAIRO_CONTENT_COLOR_ALPHA,
-					       allocation.width,
-					       allocation.height);
-
-	cairo_surface_destroy(wsurface);
 	cr = cairo_create(surface);
+	window_get_child_allocation(image->window, &allocation);
+	cairo_rectangle(cr, allocation.x, allocation.y,
+			allocation.width, allocation.height);
+	cairo_clip(cr);
+	cairo_push_group(cr);
+	cairo_translate(cr, allocation.x, allocation.y);
+
 	cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
 	cairo_set_source_rgba(cr, 0, 0, 0, 1);
 	cairo_paint(cr);
@@ -169,11 +170,13 @@ image_draw(struct image *image)
 			  allocation.width, allocation.height);
 	cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
 	cairo_paint(cr);
-	cairo_destroy(cr);
 
 	g_object_unref(pb);
 
-	window_copy_surface(image->window, &allocation, surface);
+	cairo_pop_group_to_source(cr);
+	cairo_paint(cr);
+	cairo_destroy(cr);
+
 	window_flush(image->window);
 	cairo_surface_destroy(surface);
 }

clients/resizor.c

@@ -128,8 +128,8 @@ keyboard_focus_handler(struct window *window,
 }
 
 static void
-key_handler(struct window *window, uint32_t key, uint32_t sym,
+key_handler(struct window *window, struct input *input, uint32_t time,
-	    uint32_t state, uint32_t modifiers, void *data)
+	    uint32_t key, uint32_t sym, uint32_t state, void *data)
 {
 	struct resizor *resizor = data;
 

clients/simple-client.c

@@ -0,0 +1,393 @@
+/*
+ * Copyright © 2011 Benjamin Franzke
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <math.h>
+#include <assert.h>
+
+#include <fcntl.h>
+
+#include <wayland-client.h>
+#include <xf86drm.h>
+
+#define GL_GLEXT_PROTOTYPES
+#define EGL_EGLEXT_PROTOTYPES
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+struct display {
+	struct wl_display *display;
+	struct {
+		struct wl_compositor *compositor;
+		struct wl_drm *drm;
+	} interface;
+	struct {
+		EGLDisplay dpy;
+		EGLContext ctx;
+	} egl;
+	struct {
+		int fd;
+		const char *device_name;
+		bool authenticated;
+	} drm;
+	uint32_t mask;
+};
+
+struct window {
+	struct display *display;
+	struct {
+		int width, height;
+	} geometry;
+	struct {
+		GLuint fbo;
+		GLuint color_rbo;
+
+		GLuint program;
+		GLuint rotation_uniform;
+
+		GLuint pos;
+		GLuint col;
+	} gl;
+	struct {
+		struct wl_buffer *buffer;
+		struct wl_surface *surface;
+		EGLImageKHR image;
+	} drm_surface;
+};
+
+static const char *vert_shader_text =
+	"uniform mat4 rotation;\n"
+	"attribute vec4 pos;\n"
+	"attribute vec4 color;\n"
+	"varying vec4 v_color;\n"
+	"void main() {\n"
+	"  gl_Position = rotation * pos;\n"
+	"  v_color = color;\n"
+	"}\n";
+
+static const char *frag_shader_text =
+	"precision mediump float;\n"
+	"varying vec4 v_color;\n"
+	"void main() {\n"
+	"  gl_FragColor = v_color;\n"
+	"}\n";
+
+static void
+init_egl(struct display *display)
+{
+	static const EGLint context_attribs[] = {
+		EGL_CONTEXT_CLIENT_VERSION, 2,
+		EGL_NONE
+	};
+
+	EGLint major, minor;
+	EGLBoolean ret;
+
+	display->egl.dpy = eglGetDRMDisplayMESA(display->drm.fd);
+	assert(display->egl.dpy);
+
+	ret = eglInitialize(display->egl.dpy, &major, &minor);
+	assert(ret == EGL_TRUE);
+	ret = eglBindAPI(EGL_OPENGL_ES_API);
+	assert(ret == EGL_TRUE);
+
+	display->egl.ctx = eglCreateContext(display->egl.dpy, NULL,
+					    EGL_NO_CONTEXT, context_attribs);
+	assert(display->egl.ctx);
+	ret = eglMakeCurrent(display->egl.dpy, NULL, NULL, display->egl.ctx);
+	assert(ret == EGL_TRUE);
+}
+
+static GLuint
+create_shader(struct window *window, const char *source, GLenum shader_type)
+{
+	GLuint shader;
+	GLint status;
+
+	shader = glCreateShader(shader_type);
+	assert(shader != 0);
+
+	glShaderSource(shader, 1, (const char **) &source, NULL);
+	glCompileShader(shader);
+
+	glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
+	if (!status) {
+		char log[1000];
+		GLsizei len;
+		glGetShaderInfoLog(shader, 1000, &len, log);
+		fprintf(stderr, "Error: compiling %s: %*s\n",
+			shader_type == GL_VERTEX_SHADER ? "vertex" : "fragment",
+			len, log);
+		exit(1);
+	}
+
+	return shader;
+}
+
+static void
+init_gl(struct window *window)
+{
+	GLfloat ar;
+	GLuint frag, vert;
+	GLint status;
+
+	glGenFramebuffers(1, &window->gl.fbo);
+	glBindFramebuffer(GL_FRAMEBUFFER, window->gl.fbo);
+
+	glGenRenderbuffers(1, &window->gl.color_rbo);
+
+	glViewport(0, 0, window->geometry.width, window->geometry.height);
+	ar = (GLfloat)window->geometry.width / (GLfloat)window->geometry.height;
+
+	frag = create_shader(window, frag_shader_text, GL_FRAGMENT_SHADER);
+	vert = create_shader(window, vert_shader_text, GL_VERTEX_SHADER);
+
+	window->gl.program = glCreateProgram();
+	glAttachShader(window->gl.program, frag);
+	glAttachShader(window->gl.program, vert);
+	glLinkProgram(window->gl.program);
+
+	glGetProgramiv(window->gl.program, GL_LINK_STATUS, &status);
+	if (!status) {
+		char log[1000];
+		GLsizei len;
+		glGetProgramInfoLog(window->gl.program, 1000, &len, log);
+		fprintf(stderr, "Error: linking:\n%*s\n", len, log);
+		exit(1);
+	}
+
+	glUseProgram(window->gl.program);
+	
+	window->gl.pos = 0;
+	window->gl.pos = 1;
+
+	glBindAttribLocation(window->gl.program, window->gl.pos, "pos");
+	glBindAttribLocation(window->gl.program, window->gl.col, "color");
+	glLinkProgram(window->gl.program);
+
+	window->gl.rotation_uniform =
+		glGetUniformLocation(window->gl.program, "rotation");
+}
+
+static void
+create_surface(struct window *window)
+{
+	struct display *display = window->display;
+	struct wl_visual *visual;
+	EGLint name, stride;
+	EGLint image_attribs[] = {
+		EGL_WIDTH,			0,
+		EGL_HEIGHT,			0,
+		EGL_DRM_BUFFER_FORMAT_MESA,	EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
+		EGL_DRM_BUFFER_USE_MESA,	EGL_DRM_BUFFER_USE_SCANOUT_MESA,
+		EGL_NONE
+	};
+
+	window->drm_surface.surface =
+		wl_compositor_create_surface(display->interface.compositor);
+
+	image_attribs[1] = window->geometry.width;
+	image_attribs[3] = window->geometry.height;
+
+	window->drm_surface.image = eglCreateDRMImageMESA(display->egl.dpy,
+							  image_attribs);
+	eglExportDRMImageMESA(display->egl.dpy, window->drm_surface.image,
+			      &name, NULL, &stride);
+	visual = wl_display_get_premultiplied_argb_visual(display->display);
+
+	window->drm_surface.buffer =
+		wl_drm_create_buffer(display->interface.drm, name,
+				     window->geometry.width,
+				     window->geometry.height,
+				     stride, visual);
+
+	wl_surface_attach(window->drm_surface.surface,
+			  window->drm_surface.buffer, 0, 0);
+	wl_surface_map_toplevel(window->drm_surface.surface);
+
+	glBindRenderbuffer(GL_RENDERBUFFER, window->gl.color_rbo);
+	glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER,
+					       window->drm_surface.image);
+
+	glFramebufferRenderbuffer(GL_FRAMEBUFFER,
+				  GL_COLOR_ATTACHMENT0,
+				  GL_RENDERBUFFER,
+				  window->gl.color_rbo);
+
+	assert(glCheckFramebufferStatus(GL_FRAMEBUFFER) ==
+			GL_FRAMEBUFFER_COMPLETE);
+}
+
+static void
+redraw(void *data, uint32_t time)
+{
+	struct window *window = data;
+	static const GLfloat verts[3][2] = {
+		{ -0.5, -0.5 },
+		{  0.5, -0.5 },
+		{  0,    0.5 }
+	};
+	static const GLfloat colors[3][3] = {
+		{ 1, 0, 0 },
+		{ 0, 1, 0 },
+		{ 0, 0, 1 }
+	};
+	GLfloat angle;
+	GLfloat rotation[4][4] = {
+		{ 1, 0, 0, 0 },
+		{ 0, 1, 0, 0 },
+		{ 0, 0, 1, 0 },
+		{ 0, 0, 0, 1 }
+	};
+	static const int32_t speed_div = 5;
+	static uint32_t start_time = 0;
+
+	if (start_time == 0)
+		start_time = time;
+
+	angle = ((time-start_time) / speed_div) % 360 * M_PI / 180.0;
+	rotation[0][0] =  cos(angle);
+	rotation[0][2] =  sin(angle);
+	rotation[2][0] = -sin(angle);
+	rotation[2][2] =  cos(angle);
+
+	glUniformMatrix4fv(window->gl.rotation_uniform, 1, GL_FALSE,
+			   (GLfloat *) rotation);
+
+	glClearColor(0.0, 0.0, 0.0, 0.5);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	glVertexAttribPointer(window->gl.pos, 2, GL_FLOAT, GL_FALSE, 0, verts);
+	glVertexAttribPointer(window->gl.col, 3, GL_FLOAT, GL_FALSE, 0, colors);
+	glEnableVertexAttribArray(window->gl.pos);
+	glEnableVertexAttribArray(window->gl.col);
+
+	glDrawArrays(GL_TRIANGLES, 0, 3);
+
+	glDisableVertexAttribArray(window->gl.pos);
+	glDisableVertexAttribArray(window->gl.col);
+
+	glFlush();
+
+	wl_surface_damage(window->drm_surface.surface, 0, 0,
+			  window->geometry.width, window->geometry.height);
+
+	wl_display_frame_callback(window->display->display, redraw, window);
+}
+
+static void
+drm_handle_device(void *data, struct wl_drm *drm, const char *device)
+{
+	struct display *d = data;
+
+	d->drm.device_name = strdup(device);
+}
+
+static void
+drm_handle_authenticated(void *data, struct wl_drm *drm)
+{
+	struct display *d = data;
+
+	d->drm.authenticated = true;
+}
+
+static const struct wl_drm_listener drm_listener = {
+	drm_handle_device,
+	drm_handle_authenticated
+};
+
+static void
+display_handle_global(struct wl_display *display, uint32_t id,
+		      const char *interface, uint32_t version, void *data)
+{
+	struct display *d = data;
+
+	if (strcmp(interface, "compositor") == 0) {
+		d->interface.compositor = wl_compositor_create(display, id);
+	} else if (strcmp(interface, "drm") == 0) {
+		d->interface.drm = wl_drm_create(display, id);
+		wl_drm_add_listener(d->interface.drm, &drm_listener, d);
+	}
+}
+
+static int
+event_mask_update(uint32_t mask, void *data)
+{
+	struct display *d = data;
+
+	d->mask = mask;
+
+	return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+	struct display display = { 0 };
+	struct window  window  = { 0 };
+	drm_magic_t magic;
+	int ret;
+
+	memset(&display, 0, sizeof display);
+	memset(&window,  0, sizeof window);
+
+	window.display = &display;
+	window.geometry.width  = 250;
+	window.geometry.height = 250;
+
+	display.display = wl_display_connect(NULL);
+	assert(display.display);
+
+	wl_display_add_global_listener(display.display,
+				    display_handle_global, &display);
+	/* process connection events */
+	wl_display_iterate(display.display, WL_DISPLAY_READABLE);
+
+	display.drm.fd = open(display.drm.device_name, O_RDWR);
+	assert(display.drm.fd >= 0);
+
+	ret = drmGetMagic(display.drm.fd, &magic);
+	assert(ret == 0);
+	wl_drm_authenticate(display.interface.drm, magic);
+	wl_display_iterate(display.display, WL_DISPLAY_WRITABLE);
+	while (!display.drm.authenticated)
+		wl_display_iterate(display.display, WL_DISPLAY_READABLE);
+
+	init_egl(&display);
+	init_gl(&window);
+	create_surface(&window);
+
+	wl_display_frame_callback(display.display, redraw, &window);
+
+	wl_display_get_fd(display.display, event_mask_update, &display);
+	while (true)
+		wl_display_iterate(display.display, display.mask);
+	
+	return 0;
+}

clients/terminal.c

@@ -273,9 +273,9 @@ function_key_response(char escape, int num, uint32_t modifiers,
 	int mod_num = 0;
 	int len;
 
-	if (modifiers & WINDOW_MODIFIER_SHIFT) mod_num   |= 1;
+	if (modifiers & XKB_COMMON_SHIFT_MASK) mod_num   |= 1;
-	if (modifiers & WINDOW_MODIFIER_ALT) mod_num     |= 2;
+	if (modifiers & XKB_COMMON_MOD1_MASK) mod_num    |= 2;
-	if (modifiers & WINDOW_MODIFIER_CONTROL) mod_num |= 4;
+	if (modifiers & XKB_COMMON_CONTROL_MASK) mod_num |= 4;
 
 	if (mod_num != 0)
 		len = snprintf(response, MAX_RESPONSE, "\e[%d;%d%c",
@@ -390,6 +390,14 @@ struct terminal {
 	struct terminal_color color_table[256];
 	cairo_font_extents_t extents;
 	cairo_scaled_font_t *font_normal, *font_bold;
+
+	uint32_t tag;
+	struct wl_selection *selection;
+	struct wl_selection_offer *selection_offer;
+	uint32_t selection_offer_has_text;
+	int32_t dragging, selection_active;
+	int selection_start_x, selection_start_y;
+	int selection_end_x, selection_end_y;
 };
 
 /* Create default tab stops, every 8 characters */
@@ -487,16 +495,62 @@ union decoded_attr {
 	uint32_t key;
 };
 
+static int
+terminal_compare_position(struct terminal *terminal,
+			  int x, int y, int32_t ref_row, int32_t ref_col)
+{
+	struct rectangle allocation;
+	int top_margin, side_margin, col, row, ref_x;
+
+	window_get_child_allocation(terminal->window, &allocation);
+	side_margin = allocation.x + (allocation.width - terminal->width * terminal->extents.max_x_advance) / 2;
+	top_margin = allocation.y + (allocation.height - terminal->height * terminal->extents.height) / 2;
+
+	col = (x - side_margin) / terminal->extents.max_x_advance;
+	row = (y - top_margin) / terminal->extents.height;
+
+	ref_x = side_margin + ref_col * terminal->extents.max_x_advance +
+		terminal->extents.max_x_advance / 2;
+
+	if (row < ref_row)
+		return -1;
+	if (row == ref_row) {
+		if (col < ref_col)
+			return -1;
+		if (col == ref_col && x < ref_x)
+			return -1;
+	}
+
+	return 1;
+}
+
 static void
 terminal_decode_attr(struct terminal *terminal, int row, int col,
 		     union decoded_attr *decoded)
 {
 	struct attr attr;
 	int foreground, background, tmp;
+	int inverse = 0, start_cmp, end_cmp;
+
+	start_cmp =
+		terminal_compare_position(terminal,
+					  terminal->selection_start_x,
+					  terminal->selection_start_y,
+					  row, col);
+	end_cmp =
+		terminal_compare_position(terminal,
+					  terminal->selection_end_x,
+					  terminal->selection_end_y,
+					  row, col);
+	if (start_cmp < 0 && end_cmp > 0)
+		inverse = 1;
+	else if (end_cmp < 0 && start_cmp > 0)
+		inverse = 1;
 
 	/* get the attributes for this character cell */
 	attr = terminal_get_attr_row(terminal, row)[col];
 	if ((attr.a & ATTRMASK_INVERSE) ||
+	    inverse ||
 	    ((terminal->mode & MODE_SHOW_CURSOR) &&
 	     terminal->focused && terminal->row == row &&
 	     terminal->column == col)) {
@@ -830,7 +884,6 @@ terminal_draw_contents(struct terminal *terminal)
 {
 	struct rectangle allocation;
 	cairo_t *cr;
-	cairo_font_extents_t extents;
 	int top_margin, side_margin;
 	int row, col;
 	union utf8_char *p_row;
@@ -839,23 +892,29 @@ terminal_draw_contents(struct terminal *terminal)
 	cairo_surface_t *surface;
 	double d;
 	struct glyph_run run;
+	cairo_font_extents_t extents;
 
+	surface = window_get_surface(terminal->window);
 	window_get_child_allocation(terminal->window, &allocation);
-
-	surface = display_create_surface(terminal->display, &allocation);
 	cr = cairo_create(surface);
+	cairo_rectangle(cr, allocation.x, allocation.y,
+			allocation.width, allocation.height);
+	cairo_clip(cr);
+	cairo_push_group(cr);
+
 	cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
 	terminal_set_color(terminal, cr, terminal->color_scheme->border);
 	cairo_paint(cr);
 
 	cairo_set_scaled_font(cr, terminal->font_normal);
 
-	cairo_font_extents(cr, &extents);
+	extents = terminal->extents;
 	side_margin = (allocation.width - terminal->width * extents.max_x_advance) / 2;
 	top_margin = (allocation.height - terminal->height * extents.height) / 2;
 
 	cairo_set_line_width(cr, 1.0);
-
+	cairo_translate(cr, allocation.x + side_margin,
+			allocation.y + top_margin);
 	/* paint the background */
 	for (row = 0; row < terminal->height; row++) {
 		for (col = 0; col < terminal->width; col++) {
@@ -866,8 +925,8 @@ terminal_draw_contents(struct terminal *terminal)
 				continue;
 
 			terminal_set_color(terminal, cr, attr.attr.bg);
-			cairo_move_to(cr, side_margin + (col * extents.max_x_advance),
+			cairo_move_to(cr, col * extents.max_x_advance,
-			      top_margin + (row * extents.height));
+				      row * extents.height);
 			cairo_rel_line_to(cr, extents.max_x_advance, 0);
 			cairo_rel_line_to(cr, 0, extents.height);
 			cairo_rel_line_to(cr, -extents.max_x_advance, 0);
@@ -888,8 +947,8 @@ terminal_draw_contents(struct terminal *terminal)
 
 			glyph_run_flush(&run, attr);
 
-			text_x = side_margin + col * extents.max_x_advance;
+			text_x = col * extents.max_x_advance;
-			text_y = top_margin + extents.ascent + row * extents.height;
+			text_y = extents.ascent + row * extents.height;
 			if (attr.attr.a & ATTRMASK_UNDERLINE) {
 				terminal_set_color(terminal, cr, attr.attr.fg);
 				cairo_move_to(cr, text_x, (double)text_y + 1.5);
@@ -908,8 +967,8 @@ terminal_draw_contents(struct terminal *terminal)
 		d = 0.5;
 
 		cairo_set_line_width(cr, 1);
-		cairo_move_to(cr, side_margin + terminal->column * extents.max_x_advance + d,
+		cairo_move_to(cr, terminal->column * extents.max_x_advance + d,
-			      top_margin + terminal->row * extents.height + d);
+			      terminal->row * extents.height + d);
 		cairo_rel_line_to(cr, extents.max_x_advance - 2 * d, 0);
 		cairo_rel_line_to(cr, 0, extents.height - 2 * d);
 		cairo_rel_line_to(cr, -extents.max_x_advance + 2 * d, 0);
@@ -918,10 +977,9 @@ terminal_draw_contents(struct terminal *terminal)
 		cairo_stroke(cr);
 	}
 
+	cairo_pop_group_to_source(cr);
+	cairo_paint(cr);
 	cairo_destroy(cr);
-
-	window_copy_surface(terminal->window, &allocation, surface);
-
 	cairo_surface_destroy(surface);
 }
 
@@ -1936,13 +1994,102 @@ terminal_data(struct terminal *terminal, const char *data, size_t length)
 }
 
 static void
-key_handler(struct window *window, uint32_t key, uint32_t sym,
+selection_listener_send(void *data, struct wl_selection *selection,
-	    uint32_t state, uint32_t modifiers, void *data)
+			const char *mime_type, int fd)
+{
+	static const char msg[] = "selection data";
+
+	fprintf(stderr, "selection send, fd is %d\n", fd);
+	write(fd, msg, sizeof msg - 1);
+	close(fd);
+}
+
+static void
+selection_listener_cancelled(void *data, struct wl_selection *selection)
+{
+	fprintf(stderr, "selection cancelled\n");
+	wl_selection_destroy(selection);
+}
+
+static const struct wl_selection_listener selection_listener = {
+	selection_listener_send,
+	selection_listener_cancelled
+};
+
+static gboolean
+selection_io_func(GIOChannel *source, GIOCondition condition, gpointer data)
+{
+	struct terminal *terminal = data;
+	char buffer[256];
+	unsigned int len;
+	int fd;
+
+	fd = g_io_channel_unix_get_fd(source);
+	len = read(fd, buffer, sizeof buffer);
+	fprintf(stderr, "read %d bytes: %.*s\n", len, len, buffer);
+
+	write(terminal->master, buffer, len);
+
+	close(fd);
+	g_source_remove(terminal->tag);
+
+	g_io_channel_unref(source);
+
+	return TRUE;
+}
+
+static int
+handle_bound_key(struct terminal *terminal,
+		 struct input *input, uint32_t sym, uint32_t time)
+{
+	struct wl_shell *shell;
+	GIOChannel *channel;
+	int fd;
+
+	switch (sym) {
+	case XK_C:
+		shell = display_get_shell(terminal->display);
+		terminal->selection = wl_shell_create_selection(shell);
+		wl_selection_add_listener(terminal->selection,
+					  &selection_listener, terminal);
+		wl_selection_offer(terminal->selection, "text/plain");
+		wl_selection_activate(terminal->selection,
+				      input_get_input_device(input), time);
+
+		return 1;
+	case XK_V:
+		if (input_offers_mime_type(input, "text/plain")) {
+			fd = input_receive_mime_type(input, "text/plain");
+			channel = g_io_channel_unix_new(fd);
+			terminal->tag = g_io_add_watch(channel, G_IO_IN,
+						       selection_io_func,
+						       terminal);
+		}
+
+		return 1;
+	case XK_X:
+		/* cut selection; terminal doesn't do cut */
+		return 0;
+	default:
+		return 0;
+	}
+}
+
+static void
+key_handler(struct window *window, struct input *input, uint32_t time,
+	    uint32_t key, uint32_t sym, uint32_t state, void *data)
 {
 	struct terminal *terminal = data;
 	char ch[MAX_RESPONSE];
+	uint32_t modifiers;
 	int len = 0;
 
+	modifiers = input_get_modifiers(input);
+	if ((modifiers & XKB_COMMON_CONTROL_MASK) &&
+	    (modifiers & XKB_COMMON_SHIFT_MASK) &&
+	    state && handle_bound_key(terminal, input, sym, 0))
+		return;
+
 	switch (sym) {
 	case XK_F11:
 		if (!state)
@@ -2034,7 +2181,7 @@ key_handler(struct window *window, uint32_t key, uint32_t sym,
 		len = apply_key_map(terminal->key_mode, sym, modifiers, ch);
 		if (len != 0) break;
 		
-		if (modifiers & WINDOW_MODIFIER_CONTROL) {
+		if (modifiers & XKB_COMMON_CONTROL_MASK) {
 			if (sym >= '3' && sym <= '7')
 				sym = (sym & 0x1f) + 8;
 
@@ -2045,10 +2192,10 @@ key_handler(struct window *window, uint32_t key, uint32_t sym,
 			else if (sym == '/') sym = 0x1F;
 			else if (sym == '8' || sym == '?') sym = 0x7F;
 		} else if ((terminal->mode & MODE_ALT_SENDS_ESC) && 
-			(modifiers & WINDOW_MODIFIER_ALT))
+			   (modifiers & XKB_COMMON_MOD1_MASK))
 		{
 			ch[len++] = 0x1b;
-		} else if (modifiers & WINDOW_MODIFIER_ALT) {
+		} else if (modifiers & XKB_COMMON_MOD1_MASK) {
 			sym = sym | 0x80;
 		}
 
@@ -2071,6 +2218,50 @@ keyboard_focus_handler(struct window *window,
 	window_schedule_redraw(terminal->window);
 }
 
+static void
+button_handler(struct window *window,
+	       struct input *input, uint32_t time,
+	       int button, int state, void *data)
+{
+	struct terminal *terminal = data;
+
+	switch (button) {
+	case 272:
+		if (state) {
+			terminal->dragging = 1;
+			terminal->selection_active = 0;
+			input_get_position(input,
+					   &terminal->selection_start_x,
+					   &terminal->selection_start_y);
+			terminal->selection_end_x = terminal->selection_start_x;
+			terminal->selection_end_y = terminal->selection_start_y;
+			window_schedule_redraw(window);
+		} else {
+			terminal->dragging = 0;
+		}
+		break;
+	}
+}
+
+static int
+motion_handler(struct window *window,
+	       struct input *input, uint32_t time,
+	       int32_t x, int32_t y,
+	       int32_t sx, int32_t sy, void *data)
+{
+	struct terminal *terminal = data;
+
+	if (terminal->dragging) {
+		terminal->selection_active = 1;
+		input_get_position(input,
+				   &terminal->selection_end_x,
+				   &terminal->selection_end_y);
+		window_schedule_redraw(window);
+	}
+
+	return POINTER_IBEAM;
+}
+
 static struct terminal *
 terminal_create(struct display *display, int fullscreen)
 {
@@ -2105,6 +2296,8 @@ terminal_create(struct display *display, int fullscreen)
 	window_set_key_handler(terminal->window, key_handler);
 	window_set_keyboard_focus_handler(terminal->window,
 					  keyboard_focus_handler);
+	window_set_button_handler(terminal->window, button_handler);
+	window_set_motion_handler(terminal->window, motion_handler);
 
 	surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0);
 	cr = cairo_create(surface);

clients/view.c

@@ -110,8 +110,8 @@ redraw_handler(struct window *window, void *data)
 }
 
 static void
-key_handler(struct window *window, uint32_t key, uint32_t unicode,
+key_handler(struct window *window, struct input *input, uint32_t time,
-	    uint32_t state, uint32_t modifiers, void *data)
+	    uint32_t key, uint32_t unicode, uint32_t state, void *data)
 {
 	struct view *view = data;
 

clients/window.c

@@ -43,7 +43,7 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
-#ifdef HAVE_CAIRO_GL
+#ifdef HAVE_CAIRO_EGL
 #include <cairo-gl.h>
 #endif
 
@@ -79,7 +79,7 @@ struct display {
 	struct xkb_desc *xkb;
 	cairo_surface_t **pointer_surfaces;
 
-	display_drag_offer_handler_t drag_offer_handler;
+	display_global_handler_t global_handler;
 };
 
 struct window {
@@ -118,6 +118,7 @@ struct input {
 	struct wl_input_device *input_device;
 	struct window *pointer_focus;
 	struct window *keyboard_focus;
+	struct selection_offer *offer;
 	uint32_t current_pointer_image;
 	uint32_t modifiers;
 	int32_t x, y, sx, sy;
@@ -181,7 +182,7 @@ struct surface_data {
 #define MULT(_d,c,a,t) \
 	do { t = c * a + 0x7f; _d = ((t >> 8) + t) >> 8; } while (0)
 
-#ifdef HAVE_CAIRO_GL
+#ifdef HAVE_CAIRO_EGL
 
 struct drm_surface_data {
 	struct surface_data data;
@@ -469,7 +470,7 @@ cairo_surface_t *
 display_create_surface(struct display *display,
 		       struct rectangle *rectangle)
 {
-#ifdef HAVE_CAIRO_GL
+#ifdef HAVE_CAIRO_EGL
 	if (display->drm) {
 		return display_create_drm_surface(display, rectangle);
 	}
@@ -482,7 +483,7 @@ display_create_surface_from_file(struct display *display,
 				 const char *filename,
 				 struct rectangle *rectangle)
 {
-#ifdef HAVE_CAIRO_GL
+#ifdef HAVE_CAIRO_EGL
 	if (display->drm) {
 		return display_create_drm_surface_from_file(display, filename, rectangle);
 	}
@@ -536,7 +537,7 @@ display_get_pointer_surface(struct display *display, int pointer,
 	cairo_surface_t *surface;
 
 	surface = display->pointer_surfaces[pointer];
-#if HAVE_CAIRO_GL
+#if HAVE_CAIRO_EGL
 	*width = cairo_gl_surface_get_width(surface);
 	*height = cairo_gl_surface_get_height(surface);
 #else
@@ -630,7 +631,7 @@ window_create_surface(struct window *window)
 	cairo_surface_t *surface;
 
 	switch (window->buffer_type) {
-#ifdef HAVE_CAIRO_GL
+#ifdef HAVE_CAIRO_EGL
 	case WINDOW_BUFFER_TYPE_DRM:
 		surface = display_create_surface(window->display,
 						 &window->allocation);
@@ -910,7 +911,7 @@ window_handle_key(void *data, struct wl_input_device *input_device,
 		return;
 
 	level = 0;
-	if (input->modifiers & WINDOW_MODIFIER_SHIFT &&
+	if (input->modifiers & XKB_COMMON_SHIFT_MASK &&
 	    XkbKeyGroupWidth(d->xkb, code, 0) > 1)
 		level = 1;
 
@@ -922,8 +923,8 @@ window_handle_key(void *data, struct wl_input_device *input_device,
 		input->modifiers &= ~d->xkb->map->modmap[code];
 
 	if (window->key_handler)
-		(*window->key_handler)(window, key, sym, state,
+		(*window->key_handler)(window, input, time, key, sym, state,
-				       input->modifiers, window->user_data);
+				       window->user_data);
 }
 
 static void
@@ -940,6 +941,11 @@ window_handle_pointer_focus(void *data,
 		input->pointer_focus = wl_surface_get_user_data(surface);
 		window = input->pointer_focus;
 
+		input->x = x;
+		input->y = y;
+		input->sx = sx;
+		input->sy = sy;
+
 		pointer = POINTER_LEFT_PTR;
 		if (window->motion_handler)
 			pointer = (*window->motion_handler)(window,
@@ -1014,6 +1020,12 @@ input_get_input_device(struct input *input)
 	return input->input_device;
 }
 
+uint32_t
+input_get_modifiers(struct input *input)
+{
+	return input->modifiers;
+}
+
 struct wl_drag *
 window_create_drag(struct window *window)
 {
@@ -1090,30 +1102,6 @@ window_set_child_size(struct window *window, int32_t width, int32_t height)
 	}
 }
 
-void
-window_copy_image(struct window *window,
-		  struct rectangle *rectangle, EGLImageKHR image)
-{
-	/* set image as read buffer, copy pixels or something... */
-}
-
-void
-window_copy_surface(struct window *window,
-		    struct rectangle *rectangle,
-		    cairo_surface_t *surface)
-{
-	cairo_t *cr;
-
-	cr = cairo_create (window->cairo_surface);
-
-	cairo_set_source_surface (cr,
-				  surface,
-				  rectangle->x, rectangle->y);
-
-	cairo_paint (cr);
-	cairo_destroy (cr);
-}
-
 static gboolean
 idle_redraw(void *data)
 {
@@ -1324,12 +1312,122 @@ display_add_input(struct display *d, uint32_t id)
 	wl_input_device_set_user_data(input->input_device, input);
 }
 
+struct selection_offer {
+	struct display *display;
+	struct wl_selection_offer *offer;
+	struct wl_array types;
+	struct input *input;
+};
+
+int
+input_offers_mime_type(struct input *input, const char *type)
+{
+	struct selection_offer *offer = input->offer;
+	char **p, **end;
+
+	if (offer == NULL)
+		return 0;
+
+	end = offer->types.data + offer->types.size;
+	for (p = offer->types.data; p < end; p++)
+		if (strcmp(*p, type) == 0)
+			return 1;
+
+	return 0;
+}
+
+int
+input_receive_mime_type(struct input *input, const char *type)
+{
+	struct selection_offer *offer = input->offer;
+	int p[2];
+
+	pipe(p);
+	/* FIXME: A number of things can go wrong here: the object may
+	 * not be the current selection offer any more (which could
+	 * still work, but the source may have gone away or just
+	 * destroyed its wl_selection) or the offer may not have the
+	 * requested type after all (programmer/client error,
+	 * typically) */
+	wl_selection_offer_receive(offer->offer, type, p[1]);
+	close(p[1]);
+
+	return p[0];
+}
+
+static void
+selection_offer_offer(void *data,
+		      struct wl_selection_offer *selection_offer,
+		      const char *type)
+{
+	struct selection_offer *offer = data;
+
+	char **p;
+
+	p = wl_array_add(&offer->types, sizeof *p);
+	if (p)
+		*p = strdup(type);
+};
+
+static void
+selection_offer_keyboard_focus(void *data,
+			       struct wl_selection_offer *selection_offer,
+			       struct wl_input_device *input_device)
+{
+	struct selection_offer *offer = data;
+	struct input *input;
+	char **p, **end;
+
+	if (input_device == NULL) {
+		printf("selection offer retracted %p\n", selection_offer);
+		input = offer->input;
+		input->offer = NULL;
+		wl_selection_offer_destroy(selection_offer);
+		wl_array_release(&offer->types);
+		free(offer);
+		return;
+	}
+
+	input = wl_input_device_get_user_data(input_device);
+	printf("new selection offer %p:", selection_offer);
+
+	offer->input = input;
+	input->offer = offer;
+	end = offer->types.data + offer->types.size;
+	for (p = offer->types.data; p < end; p++)
+		printf(" %s", *p);
+
+	printf("\n");
+}
+
+struct wl_selection_offer_listener selection_offer_listener = {
+	selection_offer_offer,
+	selection_offer_keyboard_focus
+};
+
+static void
+add_selection_offer(struct display *d, uint32_t id)
+{
+	struct selection_offer *offer;
+
+	offer = malloc(sizeof *offer);
+	if (offer == NULL)
+		return;
+
+	offer->offer = wl_selection_offer_create(d->display, id);
+	offer->display = d;
+	wl_array_init(&offer->types);
+	offer->input = NULL;
+
+	wl_selection_offer_add_listener(offer->offer,
+					&selection_offer_listener, offer);
+}
+
 static void
 display_handle_global(struct wl_display *display, uint32_t id,
 		      const char *interface, uint32_t version, void *data)
 {
 	struct display *d = data;
-	struct wl_drag_offer *offer;
 
 	if (strcmp(interface, "compositor") == 0) {
 		d->compositor = wl_compositor_create(display, id);
@@ -1346,11 +1444,10 @@ display_handle_global(struct wl_display *display, uint32_t id,
 		wl_drm_add_listener(d->drm, &drm_listener, d);
 	} else if (strcmp(interface, "shm") == 0) {
 		d->shm = wl_shm_create(display, id);
-	} else if (strcmp(interface, "drag_offer") == 0) {
+	} else if (strcmp(interface, "selection_offer") == 0) {
-		if (d->drag_offer_handler) {
+		add_selection_offer(d, id);
-			offer = wl_drag_offer_create(display, id);
+	} else if (d->global_handler) {
-			d->drag_offer_handler(offer, d);
+		d->global_handler(d, interface, id, version);
-		}
 	}
 }
 
@@ -1452,7 +1549,7 @@ init_drm(struct display *d)
 		return -1;
 	}
 
-#ifdef HAVE_CAIRO_GL
+#ifdef HAVE_CAIRO_EGL
 	d->device = cairo_egl_device_create(d->dpy, d->ctx);
 	if (d->device == NULL) {
 		fprintf(stderr, "failed to get cairo drm device\n");
@@ -1545,6 +1642,12 @@ display_get_egl_display(struct display *d)
 	return d->dpy;
 }
 
+struct wl_shell *
+display_get_shell(struct display *display)
+{
+	return display->shell;
+}
+
 void
 display_run(struct display *d)
 {
@@ -1552,8 +1655,8 @@ display_run(struct display *d)
 }
 
 void
-display_set_drag_offer_handler(struct display *display,
+display_set_global_handler(struct display *display,
-			       display_drag_offer_handler_t handler)
+			   display_global_handler_t handler)
 {
-	display->drag_offer_handler = handler;
+	display->global_handler = handler;
 }

clients/window.h

@@ -23,6 +23,7 @@
 #ifndef _WINDOW_H_
 #define _WINDOW_H_
 
+#include <X11/extensions/XKBcommon.h>
 #include <glib.h>
 #include <wayland-client.h>
 
@@ -47,11 +48,14 @@ display_get_display(struct display *display);
 struct wl_compositor *
 display_get_compositor(struct display *display);
 
+struct wl_shell *
+display_get_shell(struct display *display);
+
 #ifdef EGL_NO_DISPLAY
 EGLDisplay
 display_get_egl_display(struct display *d);
 
-#ifdef HAVE_CAIRO_GL
+#ifdef HAVE_CAIRO_EGL
 EGLImageKHR
 display_get_image_for_drm_surface(struct display *display,
 				  cairo_surface_t *surface);
@@ -82,14 +86,6 @@ display_flush_cairo_device(struct display *display);
 void
 display_run(struct display *d);
 
-enum {
-	WINDOW_MODIFIER_SHIFT = 0x01,
-	WINDOW_MODIFIER_LOCK = 0x02,
-	WINDOW_MODIFIER_CONTROL = 0x04,
-	WINDOW_MODIFIER_ALT = 0x08,
-	WINDOW_MODIFIER_MOD2 = 0x10,
-};
-
 enum pointer_type {
 	POINTER_BOTTOM_LEFT,
 	POINTER_BOTTOM_RIGHT,
@@ -110,8 +106,9 @@ typedef void (*window_resize_handler_t)(struct window *window,
 					void *data);
 typedef void (*window_redraw_handler_t)(struct window *window, void *data);
 typedef void (*window_frame_handler_t)(struct window *window, uint32_t frame, uint32_t timestamp, void *data);
-typedef void (*window_key_handler_t)(struct window *window, uint32_t key, uint32_t unicode,
+typedef void (*window_key_handler_t)(struct window *window, struct input *input,
-				     uint32_t state, uint32_t modifiers, void *data);
+				     uint32_t time, uint32_t key, uint32_t unicode,
+				     uint32_t state, void *data);
 typedef void (*window_keyboard_focus_handler_t)(struct window *window,
 						struct input *device, void *data);
 
@@ -124,8 +121,10 @@ typedef int (*window_motion_handler_t)(struct window *window,
 				       int32_t x, int32_t y,
 				       int32_t sx, int32_t sy, void *data);
 
-typedef void (*display_drag_offer_handler_t)(struct wl_drag_offer *offer,
+typedef void (*display_global_handler_t)(struct display *display,
-					     struct display *display);
+					 const char *interface,
+					 uint32_t id,
+					 uint32_t version);
 
 struct window *
 window_create(struct display *display, const char *title,
@@ -143,10 +142,6 @@ window_get_child_allocation(struct window *window,
 void
 window_set_child_size(struct window *window, int32_t width, int32_t height);
 void
-window_copy_image(struct window *window,
-		  struct rectangle *rectangle,
-		  void *image);
-void
 window_schedule_redraw(struct window *window);
 
 void
@@ -156,11 +151,6 @@ window_damage(struct window *window, int32_t x, int32_t y,
 cairo_surface_t *
 window_get_surface(struct window *window);
 
-void
-window_copy_surface(struct window *window,
-		    struct rectangle *rectangle,
-		    cairo_surface_t *surface);
-
 void
 window_flush(struct window *window);
 
@@ -228,8 +218,8 @@ const char *
 window_get_title(struct window *window);
 
 void
-display_set_drag_offer_handler(struct display *display,
+display_set_global_handler(struct display *display,
-			       display_drag_offer_handler_t handler);
+			   display_global_handler_t handler);
 
 struct wl_drag *
 window_create_drag(struct window *window);
@@ -241,7 +231,16 @@ window_activate_drag(struct wl_drag *drag, struct window *window,
 void
 input_get_position(struct input *input, int32_t *x, int32_t *y);
 
+uint32_t
+input_get_modifiers(struct input *input);
+
 struct wl_input_device *
 input_get_input_device(struct input *input);
 
+int
+input_offers_mime_type(struct input *input, const char *type);
+int
+input_receive_mime_type(struct input *input, const char *type);
+
+
 #endif

compositor/70-wayland.rules

@@ -2,5 +2,6 @@ KERNEL=="event*", ENV{ID_INPUT_KEYBOARD}=="1", ENV{WAYLAND_SEAT}="1"
 KERNEL=="event*", ENV{ID_INPUT_MOUSE}=="1", ENV{WAYLAND_SEAT}="1"
 KERNEL=="event*", ENV{ID_INPUT_TOUCHPAD}=="1", ENV{WAYLAND_SEAT}="1"
 KERNEL=="event*", ENV{ID_INPUT_TOUCHSCREEN}=="1", ENV{WAYLAND_SEAT}="1"
+KERNEL=="event*", ENV{ID_INPUT_TABLET}=="1", ENV{WAYLAND_SEAT}="1"
 KERNEL=="card0", ENV{WAYLAND_SEAT}="1"
 

compositor/Makefile.am

@@ -13,17 +13,33 @@ compositor_LDADD =					\
 	$(top_builddir)/wayland/libwayland-client.la	\
 	$(COMPOSITOR_LIBS)
 
+if ENABLE_DRM_COMPOSITOR
+drm_compositor_sources = compositor-drm.c tty.c evdev.c
+drm_sources = drm.c
+endif
+
+if ENABLE_X11_COMPOSITOR
+x11_compositor_sources = compositor-x11.c
+drm_sources = drm.c
+endif
+
+if ENABLE_WAYLAND_COMPOSITOR
+wayland_compositor_sources = compositor-wayland.c
+drm_sources = drm.c
+endif
+
 compositor_SOURCES =				\
 	compositor.c				\
 	compositor.h				\
-	compositor-drm.c			\
+	shell.c					\
-	compositor-x11.c			\
-	compositor-wayland.c			\
 	screenshooter.c				\
 	screenshooter-protocol.c		\
 	screenshooter-server-protocol.h		\
-	drm.c					\
+	shm.c					\
-	shm.c
+	$(drm_compositor_sources)		\
+	$(x11_compositor_sources)		\
+	$(wayland_compositor_sources)		\
+	$(drm_sources)
 
 udevrulesddir = $(sysconfdir)/udev/rules.d
 

compositor/compositor-drm.c

@@ -22,11 +22,6 @@
 #include <fcntl.h>
 #include <unistd.h>
 
-#include <signal.h>
-#include <linux/kd.h>
-#include <linux/vt.h>
-#include <linux/input.h>
-
 #define GL_GLEXT_PROTOTYPES
 #define EGL_EGLEXT_PROTOTYPES
 #include <GLES2/gl2.h>
@@ -42,14 +37,7 @@ struct drm_compositor {
 	struct udev *udev;
 	struct wl_event_source *drm_source;
 
-	/* tty handling state */
+	struct tty *tty;
-	int tty_fd;
-	uint32_t vt_active : 1;
-
-	struct termios terminal_attributes;
-	struct wl_event_source *tty_input_source;
-	struct wl_event_source *enter_vt_source;
-	struct wl_event_source *leave_vt_source;
 };
 
 struct drm_output {
@@ -64,199 +52,6 @@ struct drm_output {
 	uint32_t current;	
 };
 
-struct drm_input {
-	struct wlsc_input_device base;
-};
-
-struct evdev_input_device {
-	struct drm_input *master;
-	struct wl_event_source *source;
-	int tool, new_x, new_y;
-	int base_x, base_y;
-	int fd;
-};
-
-static void evdev_input_device_data(int fd, uint32_t mask, void *data)
-{
-	struct drm_compositor *c;
-	struct evdev_input_device *device = data;
-	struct input_event ev[8], *e, *end;
-	int len, value, dx, dy, absolute_event;
-	int x, y;
-	uint32_t time;
-
-	c = (struct drm_compositor *)
-		device->master->base.input_device.compositor;
-	if (!c->vt_active)
-		return;
-
-	dx = 0;
-	dy = 0;
-	absolute_event = 0;
-	x = device->master->base.input_device.x;
-	y = device->master->base.input_device.y;
-
-	len = read(fd, &ev, sizeof ev);
-	if (len < 0 || len % sizeof e[0] != 0) {
-		/* FIXME: handle error... reopen device? */;
-		return;
-	}
-
-	e = ev;
-	end = (void *) ev + len;
-	for (e = ev; e < end; e++) {
-		/* Get the signed value, earlier kernels had this as unsigned */
-		value = e->value;
-		time = e->time.tv_sec * 1000 + e->time.tv_usec / 1000;
-
-		switch (e->type) {
-		case EV_REL:
-			switch (e->code) {
-			case REL_X:
-				dx += value;
-				break;
-
-			case REL_Y:
-				dy += value;
-				break;
-			}
-			break;
-
-		case EV_ABS:
-		        absolute_event = 1;
-			switch (e->code) {
-			case ABS_X:
-				if (device->new_x) {
-					device->base_x = x - value;
-					device->new_x = 0;
-				}
-				x = device->base_x + value;
-				break;
-			case ABS_Y:
-				if (device->new_y) {
-					device->base_y = y - value;
-					device->new_y = 0;
-				}
-				y = device->base_y + value;
-				break;
-			}
-			break;
-
-		case EV_KEY:
-			if (value == 2)
-				break;
-
-			switch (e->code) {
-			case BTN_TOUCH:
-			case BTN_TOOL_PEN:
-			case BTN_TOOL_RUBBER:
-			case BTN_TOOL_BRUSH:
-			case BTN_TOOL_PENCIL:
-			case BTN_TOOL_AIRBRUSH:
-			case BTN_TOOL_FINGER:
-			case BTN_TOOL_MOUSE:
-			case BTN_TOOL_LENS:
-				if (device->tool == 0 && value) {
-					device->new_x = 1;
-					device->new_y = 1;
-				}
-				device->tool = value ? e->code : 0;
-				break;
-
-			case BTN_LEFT:
-			case BTN_RIGHT:
-			case BTN_MIDDLE:
-			case BTN_SIDE:
-			case BTN_EXTRA:
-			case BTN_FORWARD:
-			case BTN_BACK:
-			case BTN_TASK:
-				notify_button(&device->master->base.input_device,
-					      time, e->code, value);
-				break;
-
-			default:
-				notify_key(&device->master->base.input_device,
-					   time, e->code, value);
-				break;
-			}
-		}
-	}
-
-	if (dx != 0 || dy != 0)
-		notify_motion(&device->master->base.input_device,
-			      time, x + dx, y + dy);
-	if (absolute_event && device->tool)
-		notify_motion(&device->master->base.input_device, time, x, y);
-}
-
-static struct evdev_input_device *
-evdev_input_device_create(struct drm_input *master,
-			  struct wl_display *display, const char *path)
-{
-	struct evdev_input_device *device;
-	struct wl_event_loop *loop;
-
-	device = malloc(sizeof *device);
-	if (device == NULL)
-		return NULL;
-
-	device->tool = 1;
-	device->new_x = 1;
-	device->new_y = 1;
-	device->master = master;
-
-	device->fd = open(path, O_RDONLY);
-	if (device->fd < 0) {
-		free(device);
-		fprintf(stderr, "couldn't create pointer for %s: %m\n", path);
-		return NULL;
-	}
-
-	loop = wl_display_get_event_loop(display);
-	device->source = wl_event_loop_add_fd(loop, device->fd,
-					      WL_EVENT_READABLE,
-					      evdev_input_device_data, device);
-	if (device->source == NULL) {
-		close(device->fd);
-		free(device);
-		return NULL;
-	}
-
-	return device;
-}
-
-static void
-drm_input_create(struct drm_compositor *c)
-{
-	struct drm_input *input;
-	struct udev_enumerate *e;
-        struct udev_list_entry *entry;
-	struct udev_device *device;
-	const char *path;
-
-	input = malloc(sizeof *input);
-	if (input == NULL)
-		return;
-
-	memset(input, 0, sizeof *input);
-	wlsc_input_device_init(&input->base, &c->base);
-
-	e = udev_enumerate_new(c->udev);
-	udev_enumerate_add_match_subsystem(e, "input");
-	udev_enumerate_add_match_property(e, "WAYLAND_SEAT", "1");
-        udev_enumerate_scan_devices(e);
-        udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
-		path = udev_list_entry_get_name(entry);
-		device = udev_device_new_from_syspath(c->udev, path);
-		evdev_input_device_create(input, c->base.wl_display,
-					  udev_device_get_devnode(device));
-	}
-        udev_enumerate_unref(e);
-
-	c->base.input_device = &input->base.input_device;
-}
-
 static void
 drm_compositor_present(struct wlsc_compositor *ec)
 {
@@ -498,118 +293,6 @@ create_outputs(struct drm_compositor *ec, int option_connector)
 	return 0;
 }
 
-static void on_enter_vt(int signal_number, void *data)
-{
-	struct drm_compositor *ec = data;
-	struct drm_output *output;
-	int ret;
-
-	ret = drmSetMaster(ec->base.drm.fd);
-	if (ret) {
-		fprintf(stderr, "failed to set drm master\n");
-		kill(0, SIGTERM);
-		return;
-	}
-
-	fprintf(stderr, "enter vt\n");
-
-	ioctl(ec->tty_fd, VT_RELDISP, VT_ACKACQ);
-	ret = ioctl(ec->tty_fd, KDSETMODE, KD_GRAPHICS);
-	if (ret)
-		fprintf(stderr, "failed to set KD_GRAPHICS mode on console: %m\n");
-	ec->vt_active = 1;
-
-	wl_list_for_each(output, &ec->base.output_list, base.link) {
-		ret = drmModeSetCrtc(ec->base.drm.fd, output->crtc_id,
-				     output->fb_id[output->current ^ 1], 0, 0,
-				     &output->connector_id, 1, &output->mode);
-		if (ret)
-			fprintf(stderr,
-				"failed to set mode for connector %d: %m\n",
-				output->connector_id);
-	}
-}
-
-static void on_leave_vt(int signal_number, void *data)
-{
-	struct drm_compositor *ec = data;
-	int ret;
-
-	ret = drmDropMaster(ec->base.drm.fd);
-	if (ret) {
-		fprintf(stderr, "failed to drop drm master\n");
-		kill(0, SIGTERM);
-		return;
-	}
-
-	ioctl (ec->tty_fd, VT_RELDISP, 1);
-	ret = ioctl(ec->tty_fd, KDSETMODE, KD_TEXT);
-	if (ret)
-		fprintf(stderr, "failed to set KD_TEXT mode on console: %m\n");
-	ec->vt_active = 0;
-}
-
-static void
-on_tty_input(int fd, uint32_t mask, void *data)
-{
-	struct drm_compositor *ec = data;
-
-	/* Ignore input to tty.  We get keyboard events from evdev
-	 */
-	tcflush(ec->tty_fd, TCIFLUSH);
-}
-
-static int setup_tty(struct drm_compositor *ec, struct wl_event_loop *loop)
-{
-	struct termios raw_attributes;
-	struct vt_mode mode = { 0 };
-	int ret;
-
-	ec->tty_fd = open("/dev/tty0", O_RDWR | O_NOCTTY);
-	if (ec->tty_fd <= 0) {
-		fprintf(stderr, "failed to open active tty: %m\n");
-		return -1;
-	}
-
-	if (tcgetattr(ec->tty_fd, &ec->terminal_attributes) < 0) {
-		fprintf(stderr, "could not get terminal attributes: %m\n");
-		return -1;
-	}
-
-	/* Ignore control characters and disable echo */
-	raw_attributes = ec->terminal_attributes;
-	cfmakeraw(&raw_attributes);
-
-	/* Fix up line endings to be normal (cfmakeraw hoses them) */
-	raw_attributes.c_oflag |= OPOST | OCRNL;
-
-	if (tcsetattr(ec->tty_fd, TCSANOW, &raw_attributes) < 0)
-		fprintf(stderr, "could not put terminal into raw mode: %m\n");
-
-	ec->tty_input_source =
-		wl_event_loop_add_fd(loop, ec->tty_fd,
-				     WL_EVENT_READABLE, on_tty_input, ec);
-
-	ret = ioctl(ec->tty_fd, KDSETMODE, KD_GRAPHICS);
-	if (ret)
-		fprintf(stderr, "failed to set KD_GRAPHICS mode on tty: %m\n");
-
-	ec->vt_active = 1;
-	mode.mode = VT_PROCESS;
-	mode.relsig = SIGUSR1;
-	mode.acqsig = SIGUSR2;
-	if (!ioctl(ec->tty_fd, VT_SETMODE, &mode) < 0) {
-		fprintf(stderr, "failed to take control of vt handling\n");
-	}
-
-	ec->leave_vt_source =
-		wl_event_loop_add_signal(loop, SIGUSR1, on_leave_vt, ec);
-	ec->enter_vt_source =
-		wl_event_loop_add_signal(loop, SIGUSR2, on_enter_vt, ec);
-
-	return 0;
-}
-
 static int
 drm_authenticate(struct wlsc_compositor *c, uint32_t id)
 {
@@ -623,11 +306,9 @@ drm_destroy(struct wlsc_compositor *ec)
 {
 	struct drm_compositor *d = (struct drm_compositor *) ec;
 
-	if (tcsetattr(d->tty_fd, TCSANOW, &d->terminal_attributes) < 0)
+	tty_destroy(d->tty);
-		fprintf(stderr,
-			"could not restore terminal to canonical mode\n");
 
-	free(ec);
+	free(d);
 }
 
 struct wlsc_compositor *
@@ -674,6 +355,12 @@ drm_compositor_create(struct wl_display *display, int connector)
 		return NULL;
 	}
 
+	ec->base.destroy = drm_destroy;
+	ec->base.authenticate = drm_authenticate;
+	ec->base.present = drm_compositor_present;
+	ec->base.create_buffer = wlsc_drm_buffer_create;
+	ec->base.focus = 1;
+
 	/* Can't init base class until we have a current egl context */
 	if (wlsc_compositor_init(&ec->base, display) < 0)
 		return NULL;
@@ -683,17 +370,13 @@ drm_compositor_create(struct wl_display *display, int connector)
 		return NULL;
 	}
 
-	drm_input_create(ec);
+	evdev_input_add_devices(&ec->base, ec->udev);
 
 	loop = wl_display_get_event_loop(ec->base.wl_display);
 	ec->drm_source =
 		wl_event_loop_add_fd(loop, ec->base.drm.fd,
 				     WL_EVENT_READABLE, on_drm_input, ec);
-	setup_tty(ec, loop);
+	ec->tty = tty_create(&ec->base);
-	ec->base.destroy = drm_destroy;
-	ec->base.authenticate = drm_authenticate;
-	ec->base.present = drm_compositor_present;
-	ec->base.focus = 1;
 
 	return &ec->base;
 }

compositor/compositor-wayland.c

@@ -278,9 +278,7 @@ wayland_compositor_create_output(struct wayland_compositor *c,
 static struct wl_buffer *
 create_invisible_pointer(struct wayland_compositor *c)
 {
-	struct wlsc_drm_buffer *wlsc_buffer;
 	struct wl_buffer *buffer;
-	int name, stride;
 	struct wl_visual *visual;
 	GLuint texture;
 	const int width = 1, height = 1;
@@ -294,18 +292,8 @@ create_invisible_pointer(struct wayland_compositor *c)
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 
 	visual = wl_display_get_premultiplied_argb_visual(c->parent.display);
-	wlsc_buffer = wlsc_drm_buffer_create(&c->base, width, height, visual);
+	buffer = c->base.create_buffer(&c->base, width, height, visual, data);
 
-	glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, wlsc_buffer->image);
-	glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
-			GL_RGBA, GL_UNSIGNED_BYTE, data);
-
-	eglExportDRMImageMESA(c->base.display, wlsc_buffer->image,
-			      &name, NULL, &stride);
-
-	buffer = wl_drm_create_buffer(c->parent.drm, name,
-				      width, height,
-				      stride, visual);
 	return buffer;
 }
 
@@ -542,6 +530,11 @@ wayland_compositor_create(struct wl_display *display, int width, int height)
 	if (wayland_compositor_init_egl(c) < 0)
 		return NULL;
 
+	c->base.destroy = wayland_destroy;
+	c->base.authenticate = wayland_authenticate;
+	c->base.present = wayland_compositor_present;
+	c->base.create_buffer = wlsc_drm_buffer_create;
+
 	/* Can't init base class until we have a current egl context */
 	if (wlsc_compositor_init(&c->base, display) < 0)
 		return NULL;
@@ -561,9 +554,5 @@ wayland_compositor_create(struct wl_display *display, int width, int height)
 	if (c->parent.wl_source == NULL)
 		return NULL;
 
-	c->base.destroy = wayland_destroy;
-	c->base.authenticate = wayland_authenticate;
-	c->base.present = wayland_compositor_present;
-
 	return &c->base;
 }

compositor/compositor-x11.c

@@ -676,6 +676,11 @@ x11_compositor_create(struct wl_display *display, int width, int height)
 	if (x11_compositor_init_egl(c) < 0)
 		return NULL;
 
+	c->base.destroy = x11_destroy;
+	c->base.authenticate = x11_authenticate;
+	c->base.present = x11_compositor_present;
+	c->base.create_buffer = wlsc_drm_buffer_create;
+
 	/* Can't init base class until we have a current egl context */
 	if (wlsc_compositor_init(&c->base, display) < 0)
 		return NULL;
@@ -693,9 +698,5 @@ x11_compositor_create(struct wl_display *display, int width, int height)
 				     WL_EVENT_READABLE,
 				     x11_compositor_handle_event, c);
 
-	c->base.destroy = x11_destroy;
-	c->base.authenticate = x11_authenticate;
-	c->base.present = x11_compositor_present;
-
 	return &c->base;
 }

compositor/compositor.c

@@ -18,6 +18,8 @@
 
 #define _GNU_SOURCE
 
+#include "config.h"
+
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -30,7 +32,7 @@
 #include <math.h>
 #include <linux/input.h>
 
-#include "wayland-server-protocol.h"
+#include "wayland-server.h"
 #include "compositor.h"
 
 /* The plan here is to generate a random anonymous socket name and
@@ -119,7 +121,6 @@ wlsc_matrix_transform(struct wlsc_matrix *matrix, struct wlsc_vector *v)
 
 static struct wlsc_surface *
 wlsc_surface_create(struct wlsc_compositor *compositor,
-		    struct wl_visual *visual,
 		    int32_t x, int32_t y, int32_t width, int32_t height)
 {
 	struct wlsc_surface *surface;
@@ -140,7 +141,7 @@ wlsc_surface_create(struct wlsc_compositor *compositor,
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 
 	surface->compositor = compositor;
-	surface->visual = visual;
+	surface->visual = NULL;
 	surface->x = x;
 	surface->y = y;
 	surface->width = width;
@@ -156,7 +157,7 @@ wlsc_surface_create(struct wlsc_compositor *compositor,
 	return surface;
 }
 
-static uint32_t
+uint32_t
 get_time(void)
 {
 	struct timeval tv;
@@ -188,33 +189,76 @@ destroy_surface(struct wl_resource *resource, struct wl_client *client)
 	wlsc_compositor_schedule_repaint(compositor);
 }
 
-static int
+static struct wl_buffer *
-texture_from_png(const char *filename, int width, int height)
+create_buffer_from_png(struct wlsc_compositor *ec,
+		       const char *filename, int width, int height)
 {
 	GdkPixbuf *pixbuf;
 	GError *error = NULL;
-	void *data;
+	int stride, i, n_channels;
-	GLenum format;
+	unsigned char *pixels, *end, *argb_pixels, *s, *d;
+	struct wl_buffer *buffer;
 
 	pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
 						   width, height,
 						   FALSE, &error);
 	if (error != NULL)
-		return -1;
+		return NULL;
 
-	data = gdk_pixbuf_get_pixels(pixbuf);
+	stride = gdk_pixbuf_get_rowstride(pixbuf);
+	pixels = gdk_pixbuf_get_pixels(pixbuf);
+	n_channels = gdk_pixbuf_get_n_channels(pixbuf);
 
-	if (gdk_pixbuf_get_has_alpha(pixbuf))
+	argb_pixels = malloc (height * width * 4);
-		format = GL_RGBA;
+	if (argb_pixels == NULL) {
-	else
+		gdk_pixbuf_unref(pixbuf);
-		format = GL_RGB;
+		return NULL;
+	}
 
-	glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
+	if (n_channels == 4) {
-			format, GL_UNSIGNED_BYTE, data);
+		for (i = 0; i < height; i++) {
+			s = pixels + i * stride;
+			end = s + width * 4;
+			d = argb_pixels + i * width * 4;
+			while (s < end) {
+				unsigned int t;
+
+#define MULT(_d,c,a,t) \
+	do { t = c * a + 0x7f; _d = ((t >> 8) + t) >> 8; } while (0)
+				
+				MULT(d[0], s[2], s[3], t);
+				MULT(d[1], s[1], s[3], t);
+				MULT(d[2], s[0], s[3], t);
+				d[3] = s[3];
+				s += 4;
+				d += 4;
+			}
+		}
+	} else if (n_channels == 3) {
+		for (i = 0; i < height; i++) {
+			s = pixels + i * stride;
+			end = s + width * 3;
+			d = argb_pixels + i * width * 4;
+			while (s < end) {
+				d[0] = s[2];
+				d[1] = s[1];
+				d[2] = s[0];
+				d[3] = 0xff;
+				s += 3;
+				d += 4;
+			}
+		}
+	}
 
 	gdk_pixbuf_unref(pixbuf);
 
-	return 0;
+	buffer = ec->create_buffer(ec, width, height,
+				   &ec->compositor.premultiplied_argb_visual,
+				   argb_pixels);
+
+	free(argb_pixels);
+
+	return buffer;
 }
 
 static const struct {
@@ -238,25 +282,15 @@ static void
 create_pointer_images(struct wlsc_compositor *ec)
 {
 	int i, count;
-	GLuint texture;
 	const int width = 32, height = 32;
 
-	glGenTextures(1, &texture);
-	glBindTexture(GL_TEXTURE_2D, texture);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-
 	count = ARRAY_LENGTH(pointer_images);
 	ec->pointer_buffers = malloc(count * sizeof *ec->pointer_buffers);
 	for (i = 0; i < count; i++) {
 		ec->pointer_buffers[i] =
-			wlsc_drm_buffer_create(ec, width, height,
+			create_buffer_from_png(ec,
-					       &ec->compositor.argb_visual);
+					       pointer_images[i].filename,
-		glEGLImageTargetTexture2DOES(GL_TEXTURE_2D,
+					       width, height);
-					     ec->pointer_buffers[i]->image);
-		texture_from_png(pointer_images[i].filename, width, height);
 	}
 }
 
@@ -264,37 +298,22 @@ static struct wlsc_surface *
 background_create(struct wlsc_output *output, const char *filename)
 {
 	struct wlsc_surface *background;
-	GdkPixbuf *pixbuf;
+	struct wl_buffer *buffer;
-	GError *error = NULL;
-	void *data;
-	GLenum format;
 
 	background = wlsc_surface_create(output->compositor,
-					 &output->compositor->compositor.rgb_visual,
 					 output->x, output->y,
 					 output->width, output->height);
 	if (background == NULL)
 		return NULL;
 
-	pixbuf = gdk_pixbuf_new_from_file_at_scale(filename,
+	buffer = create_buffer_from_png(output->compositor,
-						   output->width,
+					filename,
-						   output->height,
+					output->width, output->height);
-						   FALSE, &error);
+	if (buffer == NULL) {
-	if (error != NULL) {
 		free(background);
 		return NULL;
 	}
-
+	buffer->attach(buffer, &background->surface);
-	data = gdk_pixbuf_get_pixels(pixbuf);
-
-	if (gdk_pixbuf_get_has_alpha(pixbuf))
-		format = GL_RGBA;
-	else
-		format = GL_RGB;
-
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
-		     output->width, output->height, 0,
-		     format, GL_UNSIGNED_BYTE, data);
 
 	return background;
 }
@@ -340,7 +359,7 @@ wlsc_surface_raise(struct wlsc_surface *surface)
 	wl_list_insert(&compositor->surface_list, &surface->link);
 }
 
-static void
+void
 wlsc_surface_update_matrix(struct wlsc_surface *es)
 {
 	wlsc_matrix_init(&es->matrix);
@@ -492,7 +511,7 @@ wlsc_input_device_attach(struct wlsc_input_device *device,
 }
 
 
-static void
+void
 wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
 				    enum wlsc_pointer_type type)
 {
@@ -500,253 +519,11 @@ wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
 		(struct wlsc_compositor *) device->input_device.compositor;
 
 	wlsc_input_device_attach(device,
-				 &compositor->pointer_buffers[type]->buffer,
+				 compositor->pointer_buffers[type],
 				 pointer_images[type].hotspot_x,
 				 pointer_images[type].hotspot_y);
 }
 
-struct wlsc_move_grab {
-	struct wl_grab grab;
-	int32_t dx, dy;
-};
-
-static void
-move_grab_motion(struct wl_grab *grab,
-		   uint32_t time, int32_t x, int32_t y)
-{
-	struct wlsc_move_grab *move = (struct wlsc_move_grab *) grab;
-	struct wlsc_surface *es =
-		(struct wlsc_surface *) grab->input_device->pointer_focus;
-
-	es->x = x + move->dx;
-	es->y = y + move->dy;
-	wlsc_surface_update_matrix(es);
-}
-
-static void
-move_grab_button(struct wl_grab *grab,
-		 uint32_t time, int32_t button, int32_t state)
-{
-}
-
-static void
-move_grab_end(struct wl_grab *grab, uint32_t time)
-{
-	free(grab);
-}
-
-static const struct wl_grab_interface move_grab_interface = {
-	move_grab_motion,
-	move_grab_button,
-	move_grab_end
-};
-
-static void
-shell_move(struct wl_client *client, struct wl_shell *shell,
-	   struct wl_surface *surface,
-	   struct wl_input_device *device, uint32_t time)
-{
-	struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
-	struct wlsc_surface *es = (struct wlsc_surface *) surface;
-	struct wlsc_move_grab *move;
-
-	move = malloc(sizeof *move);
-	if (!move) {
-		wl_client_post_no_memory(client);
-		return;
-	}
-
-	move->grab.interface = &move_grab_interface;
-	move->dx = es->x - wd->input_device.grab_x;
-	move->dy = es->y - wd->input_device.grab_y;
-
-	if (wl_input_device_update_grab(&wd->input_device,
-					&move->grab, surface, time) < 0)
-		return;
-
-	wlsc_input_device_set_pointer_image(wd, WLSC_POINTER_DRAGGING);
-}
-
-struct wlsc_resize_grab {
-	struct wl_grab grab;
-	uint32_t edges;
-	int32_t dx, dy, width, height;
-};
-
-static void
-resize_grab_motion(struct wl_grab *grab,
-		   uint32_t time, int32_t x, int32_t y)
-{
-	struct wlsc_resize_grab *resize = (struct wlsc_resize_grab *) grab;
-	struct wl_input_device *device = grab->input_device;
-	struct wlsc_compositor *ec =
-		(struct wlsc_compositor *) device->compositor;
-	struct wl_surface *surface = device->pointer_focus;
-	int32_t width, height;
-
-	if (resize->edges & WL_GRAB_RESIZE_LEFT) {
-		width = device->grab_x - x + resize->width;
-	} else if (resize->edges & WL_GRAB_RESIZE_RIGHT) {
-		width = x - device->grab_x + resize->width;
-	} else {
-		width = resize->width;
-	}
-
-	if (resize->edges & WL_GRAB_RESIZE_TOP) {
-		height = device->grab_y - y + resize->height;
-	} else if (resize->edges & WL_GRAB_RESIZE_BOTTOM) {
-		height = y - device->grab_y + resize->height;
-	} else {
-		height = resize->height;
-	}
-
-	wl_client_post_event(surface->client, &ec->shell.object,
-			     WL_SHELL_CONFIGURE, time, resize->edges,
-			     surface, width, height);
-}
-
-static void
-resize_grab_button(struct wl_grab *grab,
-		   uint32_t time, int32_t button, int32_t state)
-{
-}
-
-static void
-resize_grab_end(struct wl_grab *grab, uint32_t time)
-{
-	free(grab);
-}
-
-static const struct wl_grab_interface resize_grab_interface = {
-	resize_grab_motion,
-	resize_grab_button,
-	resize_grab_end
-};
-
-static void
-shell_resize(struct wl_client *client, struct wl_shell *shell,
-	     struct wl_surface *surface,
-	     struct wl_input_device *device, uint32_t time, uint32_t edges)
-{
-	struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
-	struct wlsc_resize_grab *resize;
-	enum wlsc_pointer_type pointer = WLSC_POINTER_LEFT_PTR;
-	struct wlsc_surface *es = (struct wlsc_surface *) surface;
-
-	resize = malloc(sizeof *resize);
-	if (!resize) {
-		wl_client_post_no_memory(client);
-		return;
-	}
-
-	resize->grab.interface = &resize_grab_interface;
-	resize->edges = edges;
-	resize->dx = es->x - wd->input_device.grab_x;
-	resize->dy = es->y - wd->input_device.grab_y;
-	resize->width = es->width;
-	resize->height = es->height;
-
-	if (edges == 0 || edges > 15 ||
-	    (edges & 3) == 3 || (edges & 12) == 12)
-		return;
-
-	switch (edges) {
-	case WL_GRAB_RESIZE_TOP:
-		pointer = WLSC_POINTER_TOP;
-		break;
-	case WL_GRAB_RESIZE_BOTTOM:
-		pointer = WLSC_POINTER_BOTTOM;
-		break;
-	case WL_GRAB_RESIZE_LEFT:
-		pointer = WLSC_POINTER_LEFT;
-		break;
-	case WL_GRAB_RESIZE_TOP_LEFT:
-		pointer = WLSC_POINTER_TOP_LEFT;
-		break;
-	case WL_GRAB_RESIZE_BOTTOM_LEFT:
-		pointer = WLSC_POINTER_BOTTOM_LEFT;
-		break;
-	case WL_GRAB_RESIZE_RIGHT:
-		pointer = WLSC_POINTER_RIGHT;
-		break;
-	case WL_GRAB_RESIZE_TOP_RIGHT:
-		pointer = WLSC_POINTER_TOP_RIGHT;
-		break;
-	case WL_GRAB_RESIZE_BOTTOM_RIGHT:
-		pointer = WLSC_POINTER_BOTTOM_RIGHT;
-		break;
-	}
-
-	if (wl_input_device_update_grab(&wd->input_device,
-					&resize->grab, surface, time) < 0)
-		return;
-
-	wlsc_input_device_set_pointer_image(wd, pointer);
-}
-
-static void
-wl_drag_set_pointer_focus(struct wl_drag *drag,
-			  struct wl_surface *surface, uint32_t time,
-			  int32_t x, int32_t y, int32_t sx, int32_t sy);
-
-static void
-destroy_drag(struct wl_resource *resource, struct wl_client *client)
-{
-	struct wl_drag *drag =
-		container_of(resource, struct wl_drag, resource);
-
-	wl_list_remove(&drag->drag_focus_listener.link);
-	if (drag->grab.input_device)
-		wl_input_device_end_grab(drag->grab.input_device, get_time());
-
-	free(drag);
-}
-
-const static struct wl_drag_interface drag_interface;
-
-static void
-drag_handle_surface_destroy(struct wl_listener *listener,
-			    struct wl_surface *surface, uint32_t time)
-{
-	struct wl_drag *drag =
-		container_of(listener, struct wl_drag, drag_focus_listener);
-
-	if (drag->drag_focus == surface)
-		wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);
-}
-
-static void
-shell_create_drag(struct wl_client *client,
-		  struct wl_shell *shell, uint32_t id)
-{
-	struct wl_drag *drag;
-
-	drag = malloc(sizeof *drag);
-	if (drag == NULL) {
-		wl_client_post_no_memory(client);
-		return;
-	}
-
-	memset(drag, 0, sizeof *drag);
-	drag->resource.object.id = id;
-	drag->resource.object.interface = &wl_drag_interface;
-	drag->resource.object.implementation =
-		(void (**)(void)) &drag_interface;
-
-	drag->resource.destroy = destroy_drag;
-
-	drag->drag_focus_listener.func = drag_handle_surface_destroy;
-	wl_list_init(&drag->drag_focus_listener.link);
-
-	wl_client_add_resource(client, &drag->resource);
-}
-
-const static struct wl_shell_interface shell_interface = {
-	shell_move,
-	shell_resize,
-	shell_create_drag
-};
-
 static void
 compositor_create_surface(struct wl_client *client,
 			  struct wl_compositor *compositor, uint32_t id)
@@ -754,7 +531,7 @@ compositor_create_surface(struct wl_client *client,
 	struct wlsc_compositor *ec = (struct wlsc_compositor *) compositor;
 	struct wlsc_surface *surface;
 
-	surface = wlsc_surface_create(ec, NULL, 0, 0, 0, 0);
+	surface = wlsc_surface_create(ec, 0, 0, 0, 0);
 	if (surface == NULL) {
 		wl_client_post_no_memory(client);
 		return;
@@ -786,7 +563,7 @@ wlsc_surface_transform(struct wlsc_surface *surface,
 	*sy = v.f[1] * surface->height;
 }
 
-static struct wlsc_surface *
+struct wlsc_surface *
 pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy)
 {
 	struct wlsc_compositor *ec =
@@ -905,6 +682,10 @@ notify_button(struct wl_input_device *device,
 	if (state && device->grab == NULL) {
 		wlsc_surface_raise(surface);
 
+		if (wd->selection)
+			wlsc_selection_set_focus(wd->selection,
+						 &surface->surface, time);
+
 		wl_input_device_start_grab(device,
 					   &device->motion_grab,
 					   button, time);
@@ -990,202 +771,6 @@ notify_key(struct wl_input_device *device,
 				     WL_INPUT_DEVICE_KEY, time, key, state);
 }
 
-static void
-wl_drag_set_pointer_focus(struct wl_drag *drag,
-			  struct wl_surface *surface, uint32_t time,
-			  int32_t x, int32_t y, int32_t sx, int32_t sy)
-{
-	char **p, **end;
-
-	if (drag->drag_focus == surface)
-		return;
-
-	if (drag->drag_focus &&
-	    (!surface || drag->drag_focus->client != surface->client))
-		wl_client_post_event(drag->drag_focus->client,
-				      &drag->drag_offer.object,
-				      WL_DRAG_OFFER_POINTER_FOCUS,
-				      time, NULL, 0, 0, 0, 0);
-
-	if (surface &&
-	    (!drag->drag_focus ||
-	     drag->drag_focus->client != surface->client)) {
-		wl_client_post_global(surface->client,
-				      &drag->drag_offer.object);
-
-		end = drag->types.data + drag->types.size;
-		for (p = drag->types.data; p < end; p++)
-			wl_client_post_event(surface->client,
-					      &drag->drag_offer.object,
-					      WL_DRAG_OFFER_OFFER, *p);
-	}
-
-	if (surface) {
-		wl_client_post_event(surface->client,
-				     &drag->drag_offer.object,
-				     WL_DRAG_OFFER_POINTER_FOCUS,
-				     time, surface,
-				     x, y, sx, sy);
-
-	}
-
-	drag->drag_focus = surface;
-	drag->pointer_focus_time = time;
-	drag->target = NULL;
-
-	wl_list_remove(&drag->drag_focus_listener.link);
-	if (surface)
-		wl_list_insert(surface->destroy_listener_list.prev,
-			       &drag->drag_focus_listener.link);
-}
-
-static void
-drag_offer_accept(struct wl_client *client,
-		  struct wl_drag_offer *offer, uint32_t time, const char *type)
-{
-	struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
-	char **p, **end;
-
-	/* If the client responds to drag pointer_focus or motion
-	 * events after the pointer has left the surface, we just
-	 * discard the accept requests.  The drag source just won't
-	 * get the corresponding 'target' events and eventually the
-	 * next surface/root will start sending events. */
-	if (time < drag->pointer_focus_time)
-		return;
-
-	drag->target = client;
-	drag->type = NULL;
-	end = drag->types.data + drag->types.size;
-	for (p = drag->types.data; p < end; p++)
-		if (type && strcmp(*p, type) == 0)
-			drag->type = *p;
-
-	wl_client_post_event(drag->source->client, &drag->resource.object,
-			     WL_DRAG_TARGET, drag->type);
-}
-
-static void
-drag_offer_receive(struct wl_client *client,
-		   struct wl_drag_offer *offer, int fd)
-{
-	struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
-
-	wl_client_post_event(drag->source->client, &drag->resource.object,
-			     WL_DRAG_FINISH, fd);
-	close(fd);
-}
-
-static void
-drag_offer_reject(struct wl_client *client, struct wl_drag_offer *offer)
-{
-	struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
-
-	wl_client_post_event(drag->source->client, &drag->resource.object,
-			     WL_DRAG_REJECT);
-}
-
-static const struct wl_drag_offer_interface drag_offer_interface = {
-	drag_offer_accept,
-	drag_offer_receive,
-	drag_offer_reject
-};
-
-static void
-drag_offer(struct wl_client *client, struct wl_drag *drag, const char *type)
-{
-	char **p;
-
-	p = wl_array_add(&drag->types, sizeof *p);
-	if (p)
-		*p = strdup(type);
-	if (!p || !*p)
-		wl_client_post_no_memory(client);
-}
-
-static void
-drag_grab_motion(struct wl_grab *grab,
-		   uint32_t time, int32_t x, int32_t y)
-{
-	struct wl_drag *drag = container_of(grab, struct wl_drag, grab);
-	struct wlsc_surface *es;
-	int32_t sx, sy;
-
-	es = pick_surface(grab->input_device, &sx, &sy);
-	wl_drag_set_pointer_focus(drag, &es->surface, time, x, y, sx, sy);
-	if (es)
-		wl_client_post_event(es->surface.client,
-				     &drag->drag_offer.object,
-				     WL_DRAG_OFFER_MOTION,
-				     time, x, y, sx, sy);
-}
-
-static void
-drag_grab_button(struct wl_grab *grab,
-		 uint32_t time, int32_t button, int32_t state)
-{
-}
-
-static void
-drag_grab_end(struct wl_grab *grab, uint32_t time)
-{
-	struct wl_drag *drag = container_of(grab, struct wl_drag, grab);
-
-	if (drag->target)
-		wl_client_post_event(drag->target,
-				     &drag->drag_offer.object,
-				     WL_DRAG_OFFER_DROP);
-
-	wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);
-}
-
-static const struct wl_grab_interface drag_grab_interface = {
-	drag_grab_motion,
-	drag_grab_button,
-	drag_grab_end
-};
-
-static void
-drag_activate(struct wl_client *client,
-	      struct wl_drag *drag,
-	      struct wl_surface *surface,
-	      struct wl_input_device *device, uint32_t time)
-{
-	struct wl_display *display = wl_client_get_display (client);
-	struct wlsc_surface *target;
-	int32_t sx, sy;
-
-	if (wl_input_device_update_grab(device,
-					&drag->grab, surface, time) < 0)
-		return;
-
-	drag->grab.interface = &drag_grab_interface;
-
-	drag->source = surface;
-
-	drag->drag_offer.object.interface = &wl_drag_offer_interface;
-	drag->drag_offer.object.implementation =
-		(void (**)(void)) &drag_offer_interface;
-
-	wl_display_add_object(display, &drag->drag_offer.object);
-
-	target = pick_surface(device, &sx, &sy);
-	wl_drag_set_pointer_focus(drag, &target->surface, time,
-				  device->x, device->y, sx, sy);
-}
-
-static void
-drag_destroy(struct wl_client *client, struct wl_drag *drag)
-{
-	wl_resource_destroy(&drag->resource, client);
-}
-
-static const struct wl_drag_interface drag_interface = {
-	drag_offer,
-	drag_activate,
-	drag_destroy,
-};
-
 static void
 input_device_attach(struct wl_client *client,
 		    struct wl_input_device *device_base,
@@ -1228,7 +813,7 @@ wlsc_input_device_init(struct wlsc_input_device *device,
 	wl_display_add_object(ec->wl_display, &device->input_device.object);
 	wl_display_add_global(ec->wl_display, &device->input_device.object, NULL);
 
-	device->sprite = wlsc_surface_create(ec, &ec->compositor.argb_visual,
+	device->sprite = wlsc_surface_create(ec,
 					     device->input_device.x,
 					     device->input_device.y, 32, 32);
 	device->hotspot_x = 16;
@@ -1383,6 +968,7 @@ int
 wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
 {
 	struct wl_event_loop *loop;
+	const char *extensions;
 
 	ec->wl_display = display;
 
@@ -1390,11 +976,7 @@ wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
 
 	wlsc_shm_init(ec);
 
-	ec->shell.object.interface = &wl_shell_interface;
+	wlsc_shell_init(ec);
-	ec->shell.object.implementation = (void (**)(void)) &shell_interface;
-	wl_display_add_object(display, &ec->shell.object);
-	if (wl_display_add_global(display, &ec->shell.object, NULL))
-		return -1;
 
 	wl_list_init(&ec->surface_list);
 	wl_list_init(&ec->input_device_list);
@@ -1404,6 +986,13 @@ wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
 
 	screenshooter_create(ec);
 
+	extensions = (const char *) glGetString(GL_EXTENSIONS);
+	if (!strstr(extensions, "GL_EXT_texture_format_BGRA8888")) {
+		fprintf(stderr,
+			"GL_EXT_texture_format_BGRA8888 not available\n");
+		return -1;
+	}
+
 	glGenFramebuffers(1, &ec->fbo);
 	glBindFramebuffer(GL_FRAMEBUFFER, ec->fbo);
 	glActiveTexture(GL_TEXTURE0);
@@ -1449,12 +1038,22 @@ int main(int argc, char *argv[])
 
 	display = wl_display_create();
 
+	ec = NULL;
+
+#if BUILD_WAYLAND_COMPOSITOR
 	if (getenv("WAYLAND_DISPLAY"))
 		ec = wayland_compositor_create(display, width, height);
-	else if (getenv("DISPLAY"))
+#endif
+
+#if BUILD_X11_COMPOSITOR
+	if (ec == NULL && getenv("DISPLAY"))
 		ec = x11_compositor_create(display, width, height);
-	else
+#endif
+
+#if BUILD_DRM_COMPOSITOR
+	if (ec == NULL)
 		ec = drm_compositor_create(display, option_connector);
+#endif
 
 	if (ec == NULL) {
 		fprintf(stderr, "failed to create compositor\n");

compositor/compositor.h

@@ -19,7 +19,6 @@
 #ifndef _WAYLAND_SYSTEM_COMPOSITOR_H_
 #define _WAYLAND_SYSTEM_COMPOSITOR_H_
 
-#include <termios.h>
 #include <xf86drm.h>
 #include <xf86drmMode.h>
 #include <libudev.h>
@@ -70,6 +69,7 @@ struct wlsc_input_device {
 	int32_t hotspot_x, hotspot_y;
 	struct wl_list link;
 	uint32_t modifier_state;
+	struct wl_selection *selection;
 };
 
 struct wlsc_drm {
@@ -78,21 +78,10 @@ struct wlsc_drm {
 	char *filename;
 };
 
-struct wlsc_drm_buffer {
-	struct wl_buffer buffer;
-	EGLImageKHR image;
-};
-
 struct wlsc_shm {
 	struct wl_object object;
 };
 
-struct wlsc_shm_buffer {
-	struct wl_buffer buffer;
-	int32_t stride;
-	void *data;
-};
-
 struct wlsc_compositor {
 	struct wl_compositor compositor;
 
@@ -102,7 +91,7 @@ struct wlsc_compositor {
 	EGLContext context;
 	GLuint fbo, vbo;
 	GLuint proj_uniform, tex_uniform;
-	struct wlsc_drm_buffer **pointer_buffers;
+	struct wl_buffer **pointer_buffers;
 	struct wl_display *wl_display;
 
 	/* We implement the shell interface. */
@@ -126,6 +115,10 @@ struct wlsc_compositor {
 	void (*destroy)(struct wlsc_compositor *ec);
 	int (*authenticate)(struct wlsc_compositor *c, uint32_t id);
 	void (*present)(struct wlsc_compositor *c);
+	struct wl_buffer *(*create_buffer)(struct wlsc_compositor *c,
+					   int32_t width, int32_t height,
+					   struct wl_visual *visual,
+					   const void *data);
 };
 
 #define MODIFIER_CTRL	(1 << 8)
@@ -149,6 +142,9 @@ struct wlsc_surface {
 	int mapped;
 };
 
+void
+wlsc_surface_update_matrix(struct wlsc_surface *es);
+
 void
 notify_motion(struct wl_input_device *device,
 	      uint32_t time, int x, int y);
@@ -164,9 +160,23 @@ wlsc_compositor_finish_frame(struct wlsc_compositor *compositor, int msecs);
 void
 wlsc_compositor_schedule_repaint(struct wlsc_compositor *compositor);
 
-struct wlsc_drm_buffer *
+void
+wlsc_input_device_set_pointer_image(struct wlsc_input_device *device,
+				    enum wlsc_pointer_type type);
+struct wlsc_surface *
+pick_surface(struct wl_input_device *device, int32_t *sx, int32_t *sy);
+
+void
+wlsc_selection_set_focus(struct wl_selection *selection,
+			 struct wl_surface *surface, uint32_t time);
+
+uint32_t
+get_time(void);
+
+struct wl_buffer *
 wlsc_drm_buffer_create(struct wlsc_compositor *ec,
-		       int width, int height, struct wl_visual *visual);
+		       int width, int height,
+		       struct wl_visual *visual, const void *data);
 
 int
 wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display);
@@ -182,6 +192,19 @@ wlsc_drm_init(struct wlsc_compositor *ec, int fd, const char *filename);
 int
 wlsc_shm_init(struct wlsc_compositor *ec);
 
+int
+wlsc_shell_init(struct wlsc_compositor *ec);
+
+void
+shell_move(struct wl_client *client, struct wl_shell *shell,
+	   struct wl_surface *surface,
+	   struct wl_input_device *device, uint32_t time);
+
+void
+shell_resize(struct wl_client *client, struct wl_shell *shell,
+	     struct wl_surface *surface,
+	     struct wl_input_device *device, uint32_t time, uint32_t edges);
+
 struct wl_buffer *
 wl_buffer_create_drm(struct wlsc_compositor *compositor,
 		     struct wl_visual *visual);
@@ -195,6 +218,15 @@ drm_compositor_create(struct wl_display *display, int connector);
 struct wlsc_compositor *
 wayland_compositor_create(struct wl_display *display, int width, int height);
 
+void
+evdev_input_add_devices(struct wlsc_compositor *c, struct udev *udev);
+
+struct tty *
+tty_create(struct wlsc_compositor *compositor);
+
+void
+tty_destroy(struct tty *tty);
+
 void
 screenshooter_create(struct wlsc_compositor *ec);
 

compositor/drm.c

@@ -22,6 +22,11 @@
 
 #include "compositor.h"
 
+struct wlsc_drm_buffer {
+	struct wl_buffer buffer;
+	EGLImageKHR image;
+};
+
 static void
 drm_authenticate(struct wl_client *client,
 		 struct wl_drm *drm_base, uint32_t id)
@@ -197,12 +202,13 @@ wlsc_drm_init(struct wlsc_compositor *ec, int fd, const char *filename)
 	return 0;
 }
 
-struct wlsc_drm_buffer *
+struct wl_buffer *
-wlsc_drm_buffer_create(struct wlsc_compositor *ec,
+wlsc_drm_buffer_create(struct wlsc_compositor *ec, int width, int height,
-		       int width, int height, struct wl_visual *visual)
+		       struct wl_visual *visual, const void *data)
 {
 	struct wlsc_drm_buffer *buffer;
 	EGLImageKHR image;
+	GLuint texture;
 
 	EGLint image_attribs[] = {
 		EGL_WIDTH,		0,
@@ -222,5 +228,19 @@ wlsc_drm_buffer_create(struct wlsc_compositor *ec,
 	buffer = wlsc_drm_buffer_create_for_image(ec, image,
 						  width, height, visual);
 
-	return buffer;
+	glGenTextures(1, &texture);
+	glBindTexture(GL_TEXTURE_2D, texture);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+	glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, buffer->image);
+
+	glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
+			GL_BGRA_EXT, GL_UNSIGNED_BYTE, data);
+
+	glDeleteTextures(1, &texture);
+
+	return &buffer->buffer;
 }

compositor/evdev.c

@@ -0,0 +1,239 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission.  The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <linux/input.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "compositor.h"
+
+struct evdev_input {
+	struct wlsc_input_device base;
+};
+
+struct evdev_input_device {
+	struct evdev_input *master;
+	struct wl_event_source *source;
+	int tool, new_x, new_y;
+	int base_x, base_y;
+	int fd;
+	int min_x, max_x, min_y, max_y;
+};
+
+static void evdev_input_device_data(int fd, uint32_t mask, void *data)
+{
+	struct wlsc_compositor *ec;
+	struct evdev_input_device *device = data;
+	struct input_event ev[8], *e, *end;
+	int len, value, dx, dy, absolute_event;
+	int x, y;
+	uint32_t time;
+
+	/* FIXME: Obviously we need to not hardcode these here, but
+	 * instead get the values from the output it's associated with. */
+	const int screen_width = 1024, screen_height = 600;
+
+	ec = (struct wlsc_compositor *)
+		device->master->base.input_device.compositor;
+	if (!ec->focus)
+		return;
+
+	dx = 0;
+	dy = 0;
+	absolute_event = 0;
+	x = device->master->base.input_device.x;
+	y = device->master->base.input_device.y;
+
+	len = read(fd, &ev, sizeof ev);
+	if (len < 0 || len % sizeof e[0] != 0) {
+		/* FIXME: handle error... reopen device? */;
+		return;
+	}
+
+	e = ev;
+	end = (void *) ev + len;
+	for (e = ev; e < end; e++) {
+		/* Get the signed value, earlier kernels had this as unsigned */
+		value = e->value;
+		time = e->time.tv_sec * 1000 + e->time.tv_usec / 1000;
+
+		switch (e->type) {
+		case EV_REL:
+			switch (e->code) {
+			case REL_X:
+				dx += value;
+				break;
+
+			case REL_Y:
+				dy += value;
+				break;
+			}
+			break;
+
+		case EV_ABS:
+			switch (e->code) {
+			case ABS_X:
+				absolute_event = device->tool;
+				x = (value - device->min_x) * screen_width /
+					(device->max_x - device->min_x);
+				break;
+			case ABS_Y:
+				absolute_event = device->tool;
+				y = (value - device->min_y) * screen_height /
+					(device->max_y - device->min_y);
+				break;
+			}
+			break;
+
+		case EV_KEY:
+			if (value == 2)
+				break;
+
+			switch (e->code) {
+			case BTN_TOUCH:
+			case BTN_TOOL_PEN:
+			case BTN_TOOL_RUBBER:
+			case BTN_TOOL_BRUSH:
+			case BTN_TOOL_PENCIL:
+			case BTN_TOOL_AIRBRUSH:
+			case BTN_TOOL_FINGER:
+			case BTN_TOOL_MOUSE:
+			case BTN_TOOL_LENS:
+				device->tool = value ? e->code : 0;
+				break;
+
+			case BTN_LEFT:
+			case BTN_RIGHT:
+			case BTN_MIDDLE:
+			case BTN_SIDE:
+			case BTN_EXTRA:
+			case BTN_FORWARD:
+			case BTN_BACK:
+			case BTN_TASK:
+				notify_button(&device->master->base.input_device,
+					      time, e->code, value);
+				break;
+
+			default:
+				notify_key(&device->master->base.input_device,
+					   time, e->code, value);
+				break;
+			}
+		}
+	}
+
+	if (dx != 0 || dy != 0)
+		notify_motion(&device->master->base.input_device,
+			      time, x + dx, y + dy);
+	if (absolute_event)
+		notify_motion(&device->master->base.input_device, time, x, y);
+}
+
+#define TEST_BIT(b, i) (b[(i) / 32] & (1 << (i & 31)))
+
+static struct evdev_input_device *
+evdev_input_device_create(struct evdev_input *master,
+			  struct wl_display *display, const char *path)
+{
+	struct evdev_input_device *device;
+	struct wl_event_loop *loop;
+	struct input_absinfo absinfo;
+	uint32_t ev_bits[EV_MAX];
+	uint32_t key_bits[KEY_MAX];
+
+	device = malloc(sizeof *device);
+	if (device == NULL)
+		return NULL;
+
+	device->tool = 1;
+	device->new_x = 1;
+	device->new_y = 1;
+	device->master = master;
+
+	device->fd = open(path, O_RDONLY);
+	if (device->fd < 0) {
+		free(device);
+		fprintf(stderr, "couldn't create pointer for %s: %m\n", path);
+		return NULL;
+	}
+
+	ioctl(device->fd, EVIOCGBIT(0, EV_MAX), ev_bits);
+	if (TEST_BIT(ev_bits, EV_ABS)) {
+		ioctl(device->fd, EVIOCGBIT(EV_ABS, EV_MAX), key_bits);
+		if (TEST_BIT(key_bits, ABS_X)) {
+			ioctl(device->fd, EVIOCGABS(ABS_X), &absinfo);
+			device->min_x = absinfo.minimum;
+			device->max_x = absinfo.maximum;
+		}
+		if (TEST_BIT(key_bits, ABS_Y)) {
+			ioctl(device->fd, EVIOCGABS(ABS_Y), &absinfo);
+			device->min_y = absinfo.minimum;
+			device->max_y = absinfo.maximum;
+		}
+	}
+
+	loop = wl_display_get_event_loop(display);
+	device->source = wl_event_loop_add_fd(loop, device->fd,
+					      WL_EVENT_READABLE,
+					      evdev_input_device_data, device);
+	if (device->source == NULL) {
+		close(device->fd);
+		free(device);
+		return NULL;
+	}
+
+	return device;
+}
+
+void
+evdev_input_add_devices(struct wlsc_compositor *c, struct udev *udev)
+{
+	struct evdev_input *input;
+	struct udev_enumerate *e;
+	struct udev_list_entry *entry;
+	struct udev_device *device;
+	const char *path;
+
+	input = malloc(sizeof *input);
+	if (input == NULL)
+		return;
+
+	memset(input, 0, sizeof *input);
+	wlsc_input_device_init(&input->base, c);
+
+	e = udev_enumerate_new(udev);
+	udev_enumerate_add_match_subsystem(e, "input");
+	udev_enumerate_add_match_property(e, "WAYLAND_SEAT", "1");
+	udev_enumerate_scan_devices(e);
+	udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
+		path = udev_list_entry_get_name(entry);
+		device = udev_device_new_from_syspath(udev, path);
+		evdev_input_device_create(input, c->wl_display,
+					  udev_device_get_devnode(device));
+	}
+	udev_enumerate_unref(e);
+
+	c->input_device = &input->base.input_device;
+}

compositor/shell.c

@@ -0,0 +1,640 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission.  The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "wayland-server.h"
+#include "compositor.h"
+
+struct wlsc_move_grab {
+	struct wl_grab grab;
+	int32_t dx, dy;
+};
+
+static void
+move_grab_motion(struct wl_grab *grab,
+		   uint32_t time, int32_t x, int32_t y)
+{
+	struct wlsc_move_grab *move = (struct wlsc_move_grab *) grab;
+	struct wlsc_surface *es =
+		(struct wlsc_surface *) grab->input_device->pointer_focus;
+
+	es->x = x + move->dx;
+	es->y = y + move->dy;
+	wlsc_surface_update_matrix(es);
+}
+
+static void
+move_grab_button(struct wl_grab *grab,
+		 uint32_t time, int32_t button, int32_t state)
+{
+}
+
+static void
+move_grab_end(struct wl_grab *grab, uint32_t time)
+{
+	free(grab);
+}
+
+static const struct wl_grab_interface move_grab_interface = {
+	move_grab_motion,
+	move_grab_button,
+	move_grab_end
+};
+
+void
+shell_move(struct wl_client *client, struct wl_shell *shell,
+	   struct wl_surface *surface,
+	   struct wl_input_device *device, uint32_t time)
+{
+	struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
+	struct wlsc_surface *es = (struct wlsc_surface *) surface;
+	struct wlsc_move_grab *move;
+
+	move = malloc(sizeof *move);
+	if (!move) {
+		wl_client_post_no_memory(client);
+		return;
+	}
+
+	move->grab.interface = &move_grab_interface;
+	move->dx = es->x - wd->input_device.grab_x;
+	move->dy = es->y - wd->input_device.grab_y;
+
+	if (wl_input_device_update_grab(&wd->input_device,
+					&move->grab, surface, time) < 0)
+		return;
+
+	wlsc_input_device_set_pointer_image(wd, WLSC_POINTER_DRAGGING);
+}
+
+struct wlsc_resize_grab {
+	struct wl_grab grab;
+	uint32_t edges;
+	int32_t dx, dy, width, height;
+};
+
+static void
+resize_grab_motion(struct wl_grab *grab,
+		   uint32_t time, int32_t x, int32_t y)
+{
+	struct wlsc_resize_grab *resize = (struct wlsc_resize_grab *) grab;
+	struct wl_input_device *device = grab->input_device;
+	struct wlsc_compositor *ec =
+		(struct wlsc_compositor *) device->compositor;
+	struct wl_surface *surface = device->pointer_focus;
+	int32_t width, height;
+
+	if (resize->edges & WL_GRAB_RESIZE_LEFT) {
+		width = device->grab_x - x + resize->width;
+	} else if (resize->edges & WL_GRAB_RESIZE_RIGHT) {
+		width = x - device->grab_x + resize->width;
+	} else {
+		width = resize->width;
+	}
+
+	if (resize->edges & WL_GRAB_RESIZE_TOP) {
+		height = device->grab_y - y + resize->height;
+	} else if (resize->edges & WL_GRAB_RESIZE_BOTTOM) {
+		height = y - device->grab_y + resize->height;
+	} else {
+		height = resize->height;
+	}
+
+	wl_client_post_event(surface->client, &ec->shell.object,
+			     WL_SHELL_CONFIGURE, time, resize->edges,
+			     surface, width, height);
+}
+
+static void
+resize_grab_button(struct wl_grab *grab,
+		   uint32_t time, int32_t button, int32_t state)
+{
+}
+
+static void
+resize_grab_end(struct wl_grab *grab, uint32_t time)
+{
+	free(grab);
+}
+
+static const struct wl_grab_interface resize_grab_interface = {
+	resize_grab_motion,
+	resize_grab_button,
+	resize_grab_end
+};
+
+void
+shell_resize(struct wl_client *client, struct wl_shell *shell,
+	     struct wl_surface *surface,
+	     struct wl_input_device *device, uint32_t time, uint32_t edges)
+{
+	struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
+	struct wlsc_resize_grab *resize;
+	enum wlsc_pointer_type pointer = WLSC_POINTER_LEFT_PTR;
+	struct wlsc_surface *es = (struct wlsc_surface *) surface;
+
+	resize = malloc(sizeof *resize);
+	if (!resize) {
+		wl_client_post_no_memory(client);
+		return;
+	}
+
+	resize->grab.interface = &resize_grab_interface;
+	resize->edges = edges;
+	resize->dx = es->x - wd->input_device.grab_x;
+	resize->dy = es->y - wd->input_device.grab_y;
+	resize->width = es->width;
+	resize->height = es->height;
+
+	if (edges == 0 || edges > 15 ||
+	    (edges & 3) == 3 || (edges & 12) == 12)
+		return;
+
+	switch (edges) {
+	case WL_GRAB_RESIZE_TOP:
+		pointer = WLSC_POINTER_TOP;
+		break;
+	case WL_GRAB_RESIZE_BOTTOM:
+		pointer = WLSC_POINTER_BOTTOM;
+		break;
+	case WL_GRAB_RESIZE_LEFT:
+		pointer = WLSC_POINTER_LEFT;
+		break;
+	case WL_GRAB_RESIZE_TOP_LEFT:
+		pointer = WLSC_POINTER_TOP_LEFT;
+		break;
+	case WL_GRAB_RESIZE_BOTTOM_LEFT:
+		pointer = WLSC_POINTER_BOTTOM_LEFT;
+		break;
+	case WL_GRAB_RESIZE_RIGHT:
+		pointer = WLSC_POINTER_RIGHT;
+		break;
+	case WL_GRAB_RESIZE_TOP_RIGHT:
+		pointer = WLSC_POINTER_TOP_RIGHT;
+		break;
+	case WL_GRAB_RESIZE_BOTTOM_RIGHT:
+		pointer = WLSC_POINTER_BOTTOM_RIGHT;
+		break;
+	}
+
+	if (wl_input_device_update_grab(&wd->input_device,
+					&resize->grab, surface, time) < 0)
+		return;
+
+	wlsc_input_device_set_pointer_image(wd, pointer);
+}
+
+static void
+destroy_drag(struct wl_resource *resource, struct wl_client *client)
+{
+	struct wl_drag *drag =
+		container_of(resource, struct wl_drag, resource);
+
+	wl_list_remove(&drag->drag_focus_listener.link);
+	if (drag->grab.input_device)
+		wl_input_device_end_grab(drag->grab.input_device, get_time());
+
+	free(drag);
+}
+
+
+static void
+wl_drag_set_pointer_focus(struct wl_drag *drag,
+			  struct wl_surface *surface, uint32_t time,
+			  int32_t x, int32_t y, int32_t sx, int32_t sy)
+{
+	char **p, **end;
+
+	if (drag->drag_focus == surface)
+		return;
+
+	if (drag->drag_focus &&
+	    (!surface || drag->drag_focus->client != surface->client))
+		wl_client_post_event(drag->drag_focus->client,
+				      &drag->drag_offer.object,
+				      WL_DRAG_OFFER_POINTER_FOCUS,
+				      time, NULL, 0, 0, 0, 0);
+
+	if (surface &&
+	    (!drag->drag_focus ||
+	     drag->drag_focus->client != surface->client)) {
+		wl_client_post_global(surface->client,
+				      &drag->drag_offer.object);
+
+		end = drag->types.data + drag->types.size;
+		for (p = drag->types.data; p < end; p++)
+			wl_client_post_event(surface->client,
+					      &drag->drag_offer.object,
+					      WL_DRAG_OFFER_OFFER, *p);
+	}
+
+	if (surface) {
+		wl_client_post_event(surface->client,
+				     &drag->drag_offer.object,
+				     WL_DRAG_OFFER_POINTER_FOCUS,
+				     time, surface,
+				     x, y, sx, sy);
+
+	}
+
+	drag->drag_focus = surface;
+	drag->pointer_focus_time = time;
+	drag->target = NULL;
+
+	wl_list_remove(&drag->drag_focus_listener.link);
+	if (surface)
+		wl_list_insert(surface->destroy_listener_list.prev,
+			       &drag->drag_focus_listener.link);
+}
+
+static void
+drag_offer_accept(struct wl_client *client,
+		  struct wl_drag_offer *offer, uint32_t time, const char *type)
+{
+	struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
+	char **p, **end;
+
+	/* If the client responds to drag pointer_focus or motion
+	 * events after the pointer has left the surface, we just
+	 * discard the accept requests.  The drag source just won't
+	 * get the corresponding 'target' events and eventually the
+	 * next surface/root will start sending events. */
+	if (time < drag->pointer_focus_time)
+		return;
+
+	drag->target = client;
+	drag->type = NULL;
+	end = drag->types.data + drag->types.size;
+	for (p = drag->types.data; p < end; p++)
+		if (type && strcmp(*p, type) == 0)
+			drag->type = *p;
+
+	wl_client_post_event(drag->source->client, &drag->resource.object,
+			     WL_DRAG_TARGET, drag->type);
+}
+
+static void
+drag_offer_receive(struct wl_client *client,
+		   struct wl_drag_offer *offer, int fd)
+{
+	struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
+
+	wl_client_post_event(drag->source->client, &drag->resource.object,
+			     WL_DRAG_FINISH, fd);
+	close(fd);
+}
+
+static void
+drag_offer_reject(struct wl_client *client, struct wl_drag_offer *offer)
+{
+	struct wl_drag *drag = container_of(offer, struct wl_drag, drag_offer);
+
+	wl_client_post_event(drag->source->client, &drag->resource.object,
+			     WL_DRAG_REJECT);
+}
+
+static const struct wl_drag_offer_interface drag_offer_interface = {
+	drag_offer_accept,
+	drag_offer_receive,
+	drag_offer_reject
+};
+
+static void
+drag_offer(struct wl_client *client, struct wl_drag *drag, const char *type)
+{
+	char **p;
+
+	p = wl_array_add(&drag->types, sizeof *p);
+	if (p)
+		*p = strdup(type);
+	if (!p || !*p)
+		wl_client_post_no_memory(client);
+}
+
+static void
+drag_grab_motion(struct wl_grab *grab,
+		   uint32_t time, int32_t x, int32_t y)
+{
+	struct wl_drag *drag = container_of(grab, struct wl_drag, grab);
+	struct wlsc_surface *es;
+	int32_t sx, sy;
+
+	es = pick_surface(grab->input_device, &sx, &sy);
+	wl_drag_set_pointer_focus(drag, &es->surface, time, x, y, sx, sy);
+	if (es)
+		wl_client_post_event(es->surface.client,
+				     &drag->drag_offer.object,
+				     WL_DRAG_OFFER_MOTION,
+				     time, x, y, sx, sy);
+}
+
+static void
+drag_grab_button(struct wl_grab *grab,
+		 uint32_t time, int32_t button, int32_t state)
+{
+}
+
+static void
+drag_grab_end(struct wl_grab *grab, uint32_t time)
+{
+	struct wl_drag *drag = container_of(grab, struct wl_drag, grab);
+
+	if (drag->target)
+		wl_client_post_event(drag->target,
+				     &drag->drag_offer.object,
+				     WL_DRAG_OFFER_DROP);
+
+	wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);
+}
+
+static const struct wl_grab_interface drag_grab_interface = {
+	drag_grab_motion,
+	drag_grab_button,
+	drag_grab_end
+};
+
+static void
+drag_activate(struct wl_client *client,
+	      struct wl_drag *drag,
+	      struct wl_surface *surface,
+	      struct wl_input_device *device, uint32_t time)
+{
+	struct wl_display *display = wl_client_get_display (client);
+	struct wlsc_surface *target;
+	int32_t sx, sy;
+
+	if (wl_input_device_update_grab(device,
+					&drag->grab, surface, time) < 0)
+		return;
+
+	drag->grab.interface = &drag_grab_interface;
+
+	drag->source = surface;
+
+	drag->drag_offer.object.interface = &wl_drag_offer_interface;
+	drag->drag_offer.object.implementation =
+		(void (**)(void)) &drag_offer_interface;
+
+	wl_display_add_object(display, &drag->drag_offer.object);
+
+	target = pick_surface(device, &sx, &sy);
+	wl_drag_set_pointer_focus(drag, &target->surface, time,
+				  device->x, device->y, sx, sy);
+}
+
+static void
+drag_destroy(struct wl_client *client, struct wl_drag *drag)
+{
+	wl_resource_destroy(&drag->resource, client);
+}
+
+static const struct wl_drag_interface drag_interface = {
+	drag_offer,
+	drag_activate,
+	drag_destroy,
+};
+
+static void
+drag_handle_surface_destroy(struct wl_listener *listener,
+			    struct wl_surface *surface, uint32_t time)
+{
+	struct wl_drag *drag =
+		container_of(listener, struct wl_drag, drag_focus_listener);
+
+	if (drag->drag_focus == surface)
+		wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);
+}
+
+static void
+shell_create_drag(struct wl_client *client,
+		  struct wl_shell *shell, uint32_t id)
+{
+	struct wl_drag *drag;
+
+	drag = malloc(sizeof *drag);
+	if (drag == NULL) {
+		wl_client_post_no_memory(client);
+		return;
+	}
+
+	memset(drag, 0, sizeof *drag);
+	drag->resource.object.id = id;
+	drag->resource.object.interface = &wl_drag_interface;
+	drag->resource.object.implementation =
+		(void (**)(void)) &drag_interface;
+
+	drag->resource.destroy = destroy_drag;
+
+	drag->drag_focus_listener.func = drag_handle_surface_destroy;
+	wl_list_init(&drag->drag_focus_listener.link);
+
+	wl_client_add_resource(client, &drag->resource);
+}
+
+void
+wlsc_selection_set_focus(struct wl_selection *selection,
+			 struct wl_surface *surface, uint32_t time)
+{
+	char **p, **end;
+
+	if (selection->selection_focus == surface)
+		return;
+
+	if (selection->selection_focus != NULL)
+		wl_client_post_event(selection->selection_focus->client,
+				     &selection->selection_offer.object,
+				     WL_SELECTION_OFFER_KEYBOARD_FOCUS,
+				     NULL);
+
+	if (surface) {
+		wl_client_post_global(surface->client,
+				      &selection->selection_offer.object);
+
+		end = selection->types.data + selection->types.size;
+		for (p = selection->types.data; p < end; p++)
+			wl_client_post_event(surface->client,
+					     &selection->selection_offer.object,
+					     WL_SELECTION_OFFER_OFFER, *p);
+
+		wl_list_remove(&selection->selection_focus_listener.link);
+		wl_list_insert(surface->destroy_listener_list.prev,
+			       &selection->selection_focus_listener.link);
+
+		wl_client_post_event(surface->client,
+				     &selection->selection_offer.object,
+				     WL_SELECTION_OFFER_KEYBOARD_FOCUS,
+				     selection->input_device);
+	}
+
+	selection->selection_focus = surface;
+
+	wl_list_remove(&selection->selection_focus_listener.link);
+	if (surface)
+		wl_list_insert(surface->destroy_listener_list.prev,
+			       &selection->selection_focus_listener.link);
+}
+
+static void
+selection_offer_receive(struct wl_client *client,
+			struct wl_selection_offer *offer,
+			const char *mime_type, int fd)
+{
+	struct wl_selection *selection =
+		container_of(offer, struct wl_selection, selection_offer);
+
+	wl_client_post_event(selection->client,
+			     &selection->resource.object,
+			     WL_SELECTION_SEND, mime_type, fd);
+	close(fd);
+}
+
+static const struct wl_selection_offer_interface selection_offer_interface = {
+	selection_offer_receive
+};
+
+static void
+selection_offer(struct wl_client *client,
+		struct wl_selection *selection, const char *type)
+{
+	char **p;
+
+	p = wl_array_add(&selection->types, sizeof *p);
+	if (p)
+		*p = strdup(type);
+	if (!p || !*p)
+		wl_client_post_no_memory(client);
+}
+
+static void
+selection_activate(struct wl_client *client,
+		   struct wl_selection *selection,
+		   struct wl_input_device *device, uint32_t time)
+{
+	struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
+	struct wl_display *display = wl_client_get_display (client);
+
+	selection->input_device = device;
+
+	selection->selection_offer.object.interface =
+		&wl_selection_offer_interface;
+	selection->selection_offer.object.implementation =
+		(void (**)(void)) &selection_offer_interface;
+
+	wl_display_add_object(display, &selection->selection_offer.object);
+
+	if (wd->selection) {
+		wl_client_post_event(wd->selection->client,
+				     &wd->selection->resource.object,
+				     WL_SELECTION_CANCELLED);
+	}
+	wd->selection = selection;
+
+	wlsc_selection_set_focus(selection, device->keyboard_focus, time);
+}
+
+static void
+selection_destroy(struct wl_client *client, struct wl_selection *selection)
+{
+	wl_resource_destroy(&selection->resource, client);
+}
+
+static const struct wl_selection_interface selection_interface = {
+	selection_offer,
+	selection_activate,
+	selection_destroy
+};
+
+static void
+destroy_selection(struct wl_resource *resource, struct wl_client *client)
+{
+	struct wl_selection *selection =
+		container_of(resource, struct wl_selection, resource);
+	struct wlsc_input_device *wd =
+		(struct wlsc_input_device *) selection->input_device;
+
+	if (wd && wd->selection == selection) {
+		wd->selection = NULL;
+		wlsc_selection_set_focus(selection, NULL, get_time());
+	}
+
+	wl_list_remove(&selection->selection_focus_listener.link);
+	free(selection);
+}
+
+static void
+selection_handle_surface_destroy(struct wl_listener *listener,
+				 struct wl_surface *surface, uint32_t time)
+{
+}
+
+static void
+shell_create_selection(struct wl_client *client,
+		       struct wl_shell *shell, uint32_t id)
+{
+	struct wl_selection *selection;
+
+	selection = malloc(sizeof *selection);
+	if (selection == NULL) {
+		wl_client_post_no_memory(client);
+		return;
+	}
+
+	memset(selection, 0, sizeof *selection);
+	selection->resource.object.id = id;
+	selection->resource.object.interface = &wl_selection_interface;
+	selection->resource.object.implementation =
+		(void (**)(void)) &selection_interface;
+
+	selection->client = client;
+	selection->resource.destroy = destroy_selection;
+	selection->selection_focus = NULL;
+
+	selection->selection_focus_listener.func =
+		selection_handle_surface_destroy;
+	wl_list_init(&selection->selection_focus_listener.link);
+
+	wl_client_add_resource(client, &selection->resource);
+}
+
+const static struct wl_shell_interface shell_interface = {
+	shell_move,
+	shell_resize,
+	shell_create_drag,
+	shell_create_selection
+};
+
+int
+wlsc_shell_init(struct wlsc_compositor *ec)
+{
+	struct wl_shell *shell = &ec->shell;
+
+	shell->object.interface = &wl_shell_interface;
+	shell->object.implementation = (void (**)(void)) &shell_interface;
+	wl_display_add_object(ec->wl_display, &shell->object);
+	if (wl_display_add_global(ec->wl_display, &shell->object, NULL))
+		return -1;
+
+	return 0;
+}

compositor/shm.c

@@ -24,6 +24,12 @@
 
 #include "compositor.h"
 
+struct wlsc_shm_buffer {
+	struct wl_buffer buffer;
+	int32_t stride;
+	void *data;
+};
+
 static void
 destroy_buffer(struct wl_resource *resource, struct wl_client *client)
 {
@@ -57,8 +63,7 @@ shm_buffer_attach(struct wl_buffer *buffer_base, struct wl_surface *surface)
 	 * overwrite it.*/
 	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
 		     0, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
-
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
 		     buffer->buffer.width, buffer->buffer.height, 0,
 		     GL_BGRA_EXT, GL_UNSIGNED_BYTE, buffer->data);
 	es->visual = buffer->buffer.visual;

compositor/tty.c

@@ -0,0 +1,163 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission.  The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <termios.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <linux/kd.h>
+#include <linux/vt.h>
+#include <sys/ioctl.h>
+
+#include "compositor.h"
+
+struct tty {
+	struct wlsc_compositor *compositor;
+	int fd;
+	struct termios terminal_attributes;
+
+	struct wl_event_source *input_source;
+	struct wl_event_source *enter_vt_source;
+	struct wl_event_source *leave_vt_source;
+};
+
+static void on_enter_vt(int signal_number, void *data)
+{
+	struct tty *tty = data;
+	int ret;
+
+	fprintf(stderr, "enter vt\n");
+
+	ioctl(tty->fd, VT_RELDISP, VT_ACKACQ);
+	ret = ioctl(tty->fd, KDSETMODE, KD_GRAPHICS);
+	if (ret)
+		fprintf(stderr, "failed to set KD_GRAPHICS mode on console: %m\n");
+	tty->compositor->focus = 1;
+}
+
+static void on_leave_vt(int signal_number, void *data)
+{
+	struct tty *tty = data;
+	int ret;
+
+	ioctl (tty->fd, VT_RELDISP, 1);
+	ret = ioctl(tty->fd, KDSETMODE, KD_TEXT);
+	if (ret)
+		fprintf(stderr,
+			"failed to set KD_TEXT mode on console: %m\n");
+
+	tty->compositor->focus = 0;
+}
+
+static void
+on_tty_input(int fd, uint32_t mask, void *data)
+{
+	struct tty *tty = data;
+
+	/* Ignore input to tty.  We get keyboard events from evdev
+	 */
+	tcflush(tty->fd, TCIFLUSH);
+}
+
+struct tty *
+tty_create(struct wlsc_compositor *compositor)
+{
+	struct termios raw_attributes;
+	struct vt_mode mode = { 0 };
+	int ret;
+	struct tty *tty;
+	struct wl_event_loop *loop;
+
+	tty = malloc(sizeof *tty);
+	if (tty == NULL)
+		return NULL;
+
+	memset(tty, 0, sizeof *tty);
+	tty->compositor = compositor;
+	tty->fd = open("/dev/tty0", O_RDWR | O_NOCTTY);
+	if (tty->fd <= 0) {
+		fprintf(stderr, "failed to open active tty: %m\n");
+		return NULL;
+	}
+
+	if (tcgetattr(tty->fd, &tty->terminal_attributes) < 0) {
+		fprintf(stderr, "could not get terminal attributes: %m\n");
+		return NULL;
+	}
+
+	/* Ignore control characters and disable echo */
+	raw_attributes = tty->terminal_attributes;
+	cfmakeraw(&raw_attributes);
+
+	/* Fix up line endings to be normal (cfmakeraw hoses them) */
+	raw_attributes.c_oflag |= OPOST | OCRNL;
+
+	if (tcsetattr(tty->fd, TCSANOW, &raw_attributes) < 0)
+		fprintf(stderr, "could not put terminal into raw mode: %m\n");
+
+	loop = wl_display_get_event_loop(compositor->wl_display);
+	tty->input_source =
+		wl_event_loop_add_fd(loop, tty->fd,
+				     WL_EVENT_READABLE, on_tty_input, tty);
+
+	ret = ioctl(tty->fd, KDSETMODE, KD_GRAPHICS);
+	if (ret) {
+		fprintf(stderr, "failed to set KD_GRAPHICS mode on tty: %m\n");
+		return NULL;
+	}
+
+	tty->compositor->focus = 1;
+	mode.mode = VT_PROCESS;
+	mode.relsig = SIGUSR1;
+	mode.acqsig = SIGUSR2;
+	if (!ioctl(tty->fd, VT_SETMODE, &mode) < 0) {
+		fprintf(stderr, "failed to take control of vt handling\n");
+		return NULL;
+	}
+
+	tty->leave_vt_source =
+		wl_event_loop_add_signal(loop, SIGUSR1, on_leave_vt, tty);
+	tty->enter_vt_source =
+		wl_event_loop_add_signal(loop, SIGUSR2, on_enter_vt, tty);
+
+	return tty;
+}
+
+void
+tty_destroy(struct tty *tty)
+{
+	int ret;
+
+	ret = ioctl(tty->fd, KDSETMODE, KD_TEXT);
+	if (ret)
+		fprintf(stderr,
+			"failed to set KD_GRAPHICS mode on tty: %m\n");
+
+	if (tcsetattr(tty->fd, TCSANOW, &tty->terminal_attributes) < 0)
+		fprintf(stderr,
+			"could not restore terminal to canonical mode\n");
+
+	free(tty);
+}

configure.ac

@@ -24,15 +24,41 @@ PKG_CHECK_MODULES(FFI, [libffi])
 
 PKG_CHECK_MODULES(COMPOSITOR,
 		  [egl glesv2 gdk-pixbuf-2.0 libudev >= 136 libdrm >= 2.4.17] xcb-dri2 xcb-xfixes)
+PKG_CHECK_MODULES(GLES2, [egl glesv2 libdrm])
 PKG_CHECK_MODULES(CLIENT, [egl gl cairo gdk-pixbuf-2.0 glib-2.0 gobject-2.0 xkbcommon libdrm])
 PKG_CHECK_MODULES(POPPLER, [poppler-glib gdk-2.0],
 			   [have_poppler=yes], [have_poppler=no])
 AM_CONDITIONAL(HAVE_POPPLER, test "x$have_poppler" = "xyes")
 
-PKG_CHECK_MODULES(CAIRO_GL, [cairo-gl],
+
-		  [have_cairo_gl=yes], [have_cairo_gl=no])
+AC_ARG_ENABLE(x11-compositor, [  --enable-x11-compositor],,
-AS_IF([test "x$have_cairo_gl" = "xyes"],
+	      enable_x11_compositor=yes)
-      [AC_DEFINE([HAVE_CAIRO_GL], [1], [Have cairo-gl])])
+AM_CONDITIONAL(ENABLE_X11_COMPOSITOR, test x$enable_x11_compositor == xyes)
+if test x$enable_x11_compositor == xyes; then
+  AC_DEFINE([BUILD_X11_COMPOSITOR], [1], [Build the X11 compositor])
+fi
+
+
+AC_ARG_ENABLE(drm-compositor, [  --enable-drm-compositor])
+AM_CONDITIONAL(ENABLE_DRM_COMPOSITOR, test x$enable_drm_compositor == xyes)
+if test x$enable_drm_compositor == xyes; then
+  AC_DEFINE([BUILD_DRM_COMPOSITOR], [1], [Build the DRM compositor])
+fi
+
+
+AC_ARG_ENABLE(wayland-compositor, [  --enable-wayland-compositor])
+AM_CONDITIONAL(ENABLE_WAYLAND_COMPOSITOR,
+	       test x$enable_wayland_compositor == xyes)
+if test x$enable_wayland_compositor == xyes; then
+  AC_DEFINE([BUILD_WAYLAND_COMPOSITOR], [1],
+	    [Build the Wayland (nested) compositor])
+fi
+
+
+PKG_CHECK_MODULES(CAIRO_EGL, [cairo-egl],
+		  [have_cairo_egl=yes], [have_cairo_egl=no])
+AS_IF([test "x$have_cairo_egl" = "xyes"],
+      [AC_DEFINE([HAVE_CAIRO_EGL], [1], [Have cairo-egl])])
 
 if test $CC = gcc; then
 	GCC_CFLAGS="-Wall -g -Wstrict-prototypes -Wmissing-prototypes -fvisibility=hidden"

protocol/wayland.xml

@@ -164,6 +164,10 @@
       <arg name="id" type="new_id" interface="drag"/>
     </request>
 
+    <request name="create_selection">
+      <arg name="id" type="new_id" interface="selection"/>
+    </request>
+
     <!-- The configure event asks the client to resize its surface.
          The size is a hint, in the sense that the client is free to
          ignore it if it doesn't resize, pick a smaller size (to
@@ -179,6 +183,53 @@
     </event>
   </interface>
 
+  <interface name="selection" version="1">
+    <!-- Add an offered mime type.  Can be called several times to
+         offer multiple types, but must be called before 'activate'. -->
+    <request name="offer">
+      <arg name="type" type="string"/>
+    </request>
+
+    <!-- Can the selection be activated for multiple devices? -->
+    <request name="activate">
+      <arg name="input_device" type="object" interface="input_device"/>
+      <arg name="time" type="uint"/>
+    </request>
+
+    <!-- Destroy the selection. -->
+    <request name="destroy" type="destructor"/>
+
+    <!-- Another client pasted the selection, send the mime-type over
+         the passed fd. -->
+    <event name="send">
+      <arg name="mime_type" type="string"/>
+      <arg name="fd" type="fd"/>
+    </event>
+
+    <!-- Another selection became active. -->
+    <event name="cancelled"/>
+  </interface>
+
+  <interface name="selection_offer" version="1">
+    <!-- Called to receive the selection data as the specified type.
+         Sends the pipe fd to the compositor, which forwards it to the
+         source in the 'send' event -->
+    <request name="receive">
+      <arg name="mime_type" type="string"/>
+      <arg name="fd" type="fd"/>
+    </request>
+
+    <!-- Sent before the keyboard_focus event to announce the types
+         offered.  One event per offered mime type.  A mime type of
+         NULL means the selection offer is going away.  -->
+    <event name="offer">
+      <arg name="type" type="string"/>
+    </event>
+
+    <event name="keyboard_focus">
+      <arg name="input_device" type="object" interface="input_device"/>
+    </event>
+  </interface>
 
   <interface name="drag" version="1">
     <!-- Add an offered mime type.  Can be called several times to

wayland/connection.c

@@ -61,7 +61,7 @@ struct wl_connection {
 	int fd;
 	void *data;
 	wl_connection_update_func_t update;
-	struct wl_closure closure;
+	struct wl_closure receive_closure, send_closure;
 };
 
 union wl_value {
@@ -251,36 +251,6 @@ wl_connection_data(struct wl_connection *connection, uint32_t mask)
 	char cmsg[128];
 	int len, count, clen;
 
-	if (mask & WL_CONNECTION_READABLE) {
-		wl_buffer_put_iov(&connection->in, iov, &count);
-
-		msg.msg_name = NULL;
-		msg.msg_namelen = 0;
-		msg.msg_iov = iov;
-		msg.msg_iovlen = count;
-		msg.msg_control = cmsg;
-		msg.msg_controllen = sizeof cmsg;
-		msg.msg_flags = 0;
-
-		do {
-			len = recvmsg(connection->fd, &msg, 0);
-		} while (len < 0 && errno == EINTR);
-
-		if (len < 0) {
-			fprintf(stderr,
-				"read error from connection %p: %m (%d)\n",
-				connection, errno);
-			return -1;
-		} else if (len == 0) {
-			/* FIXME: Handle this better? */
-			return -1;
-		}
-
-		decode_cmsg(&connection->fds_in, &msg);
-
-		connection->in.head += len;
-	}	
-
 	if (mask & WL_CONNECTION_WRITABLE) {
 		wl_buffer_get_iov(&connection->out, iov, &count);
 
@@ -314,6 +284,36 @@ wl_connection_data(struct wl_connection *connection, uint32_t mask)
 					   connection->data);
 	}
 
+	if (mask & WL_CONNECTION_READABLE) {
+		wl_buffer_put_iov(&connection->in, iov, &count);
+
+		msg.msg_name = NULL;
+		msg.msg_namelen = 0;
+		msg.msg_iov = iov;
+		msg.msg_iovlen = count;
+		msg.msg_control = cmsg;
+		msg.msg_controllen = sizeof cmsg;
+		msg.msg_flags = 0;
+
+		do {
+			len = recvmsg(connection->fd, &msg, 0);
+		} while (len < 0 && errno == EINTR);
+
+		if (len < 0) {
+			fprintf(stderr,
+				"read error from connection %p: %m (%d)\n",
+				connection, errno);
+			return -1;
+		} else if (len == 0) {
+			/* FIXME: Handle this better? */
+			return -1;
+		}
+
+		decode_cmsg(&connection->fds_in, &msg);
+
+		connection->in.head += len;
+	}	
+
 	return connection->in.head - connection->in.tail;
 }
 
@@ -362,14 +362,14 @@ wl_connection_vmarshal(struct wl_connection *connection,
 		       uint32_t opcode, va_list ap,
 		       const struct wl_message *message)
 {
-	struct wl_closure *closure = &connection->closure;
+	struct wl_closure *closure = &connection->send_closure;
 	struct wl_object **objectp, *object;
 	uint32_t length, *p, *start, size;
 	int dup_fd;
 	struct wl_array **arrayp, *array;
 	const char **sp, *s;
 	char *extra;
-	int i, count, fd, extra_size;
+	int i, count, fd, extra_size, *fd_ptr;
 
 	extra_size = wl_message_size_extra(message);
 	count = strlen(message->signature) + 2;
@@ -449,12 +449,18 @@ wl_connection_vmarshal(struct wl_connection *connection,
 			break;
 
 		case 'h':
+			closure->types[i] = &ffi_type_sint;
+			closure->args[i] = extra;
+			fd_ptr = (int *) extra;
+			extra += sizeof *fd_ptr;
+
 			fd = va_arg(ap, int);
 			dup_fd = dup(fd);
 			if (dup_fd < 0) {
 				fprintf(stderr, "dup failed: %m");
 				abort();
 			}
+			*fd_ptr = dup_fd;
 			wl_buffer_put(&connection->fds_out,
 				      &dup_fd, sizeof dup_fd);
 			break;
@@ -487,7 +493,7 @@ wl_connection_demarshal(struct wl_connection *connection,
 	int i, count, extra_space;
 	struct wl_object **object;
 	struct wl_array **array;
-	struct wl_closure *closure = &connection->closure;
+	struct wl_closure *closure = &connection->receive_closure;
 
 	count = strlen(message->signature) + 2;
 	if (count > ARRAY_LENGTH(closure->types)) {

wayland/wayland-server.h

@@ -188,6 +188,21 @@ struct wl_drag {
 	struct wl_listener drag_focus_listener;
 };
 
+struct wl_selection_offer {
+	struct wl_object object;
+};
+
+struct wl_selection {
+	struct wl_resource resource;
+	struct wl_client *client;
+	struct wl_input_device *input_device;
+	struct wl_selection_offer selection_offer;
+	struct wl_surface *selection_focus;
+	struct wl_client *target;
+	struct wl_array types;
+	struct wl_listener selection_focus_listener;
+};
+
 void
 wl_client_post_event(struct wl_client *client,
 		      struct wl_object *sender,