Merge pull request #120 from acrisci/feature/wlr-cursor

wlr_cursor

include/wlr/types/wlr_box.h

@@ -0,0 +1,20 @@
+#ifndef _WLR_TYPES_GEOMETRY_H
+#define _WLR_TYPES_GEOMETRY_H
+#include <stdbool.h>
+
+struct wlr_box {
+	int x, y;
+	int width, height;
+};
+
+void wlr_box_closest_point(struct wlr_box *box, double x, double y,
+		double *dest_x, double *dest_y);
+
+bool wlr_box_intersection(struct wlr_box *box_a,
+		struct wlr_box *box_b, struct wlr_box **dest);
+
+bool wlr_box_contains_point(struct wlr_box *box, double x, double y);
+
+bool wlr_box_empty(struct wlr_box *box);
+
+#endif

include/wlr/types/wlr_cursor.h

@@ -0,0 +1,112 @@
+#ifndef _WLR_TYPES_CURSOR_H
+#define _WLR_TYPES_CURSOR_H
+#include <wayland-server.h>
+#include <wlr/types/wlr_output.h>
+#include <wlr/types/wlr_output_layout.h>
+#include <wlr/types/wlr_input_device.h>
+#include <wlr/types/wlr_box.h>
+#include <wlr/xcursor.h>
+
+struct wlr_cursor_state;
+
+struct wlr_cursor {
+	struct wlr_cursor_state *state;
+	int x, y;
+
+	struct {
+		struct wl_signal motion;
+		struct wl_signal motion_absolute;
+		struct wl_signal button;
+		struct wl_signal axis;
+
+		struct wl_signal touch_up;
+		struct wl_signal touch_down;
+		struct wl_signal touch_motion;
+		struct wl_signal touch_cancel;
+
+		struct wl_signal tablet_tool_axis;
+		struct wl_signal tablet_tool_proximity;
+		struct wl_signal tablet_tool_tip;
+		struct wl_signal tablet_tool_button;
+	} events;
+};
+
+struct wlr_cursor *wlr_cursor_create();
+
+void wlr_cursor_destroy(struct wlr_cursor *cur);
+
+void wlr_cursor_set_xcursor(struct wlr_cursor *cur, struct wlr_xcursor *xcur);
+
+/**
+ * Warp the cursor to the given x and y in layout coordinates. If x and y are
+ * out of the layout boundaries or constraints, no warp will happen.
+ *
+ * `dev` may be passed to respect device mapping constraints. If `dev` is NULL,
+ * device mapping constraints will be ignored.
+ *
+ * Returns true when the mouse warp was successful.
+ */
+bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
+		double x, double y);
+
+void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
+		struct wlr_input_device *dev, double x_mm, double y_mm);
+
+/**
+ * Move the cursor in the direction of the given x and y coordinates.
+ *
+ * `dev` may be passed to respect device mapping constraints. If `dev` is NULL,
+ * device mapping constraints will be ignored.
+ */
+void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
+		double delta_x, double delta_y);
+
+/**
+ * Attaches this input device to this cursor. The input device must be one of:
+ *
+ * - WLR_INPUT_DEVICE_POINTER
+ * - WLR_INPUT_DEVICE_TOUCH
+ * - WLR_INPUT_DEVICE_TABLET_TOOL
+ */
+void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
+		struct wlr_input_device *dev);
+
+void wlr_cursor_detach_input_device(struct wlr_cursor *cur,
+		struct wlr_input_device *dev);
+/**
+ * Uses the given layout to establish the boundaries and movement semantics of
+ * this cursor. Cursors without an output layout allow infinite movement in any
+ * direction and do not support absolute input events.
+ */
+void wlr_cursor_attach_output_layout(struct wlr_cursor *cur,
+		struct wlr_output_layout *l);
+
+/**
+ * Attaches this cursor to the given output, which must be among the outputs in
+ * the current output_layout for this cursor. This call is invalid for a cursor
+ * without an associated output layout.
+ */
+void wlr_cursor_map_to_output(struct wlr_cursor *cur,
+		struct wlr_output *output);
+
+/**
+ * Maps all input from a specific input device to a given output. The input
+ * device must be attached to this cursor and the output must be among the
+ * outputs in the attached output layout.
+ */
+void wlr_cursor_map_input_to_output(struct wlr_cursor *cur,
+		struct wlr_input_device *dev, struct wlr_output *output);
+
+/**
+ * Maps this cursor to an arbitrary region on the associated wlr_output_layout.
+ */
+void wlr_cursor_map_to_region(struct wlr_cursor *cur, struct wlr_box *box);
+
+/**
+ * Maps inputs from this input device to an arbitrary region on the associated
+ * wlr_output_layout.
+ */
+void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
+		struct wlr_input_device *dev, struct wlr_box *box);
+
+#endif

include/wlr/types/wlr_input_device.h

@@ -40,6 +40,10 @@ struct wlr_input_device {
 		struct wlr_tablet_pad *tablet_pad;
 	};
 
+	struct {
+		struct wl_signal destroy;
+	} events;
+
 	void *data;
 };
 

include/wlr/types/wlr_output_layout.h

@@ -4,14 +4,20 @@
 #include <wayland-util.h>
 #include <stdbool.h>
 
+struct wlr_output_layout_state;
+
 struct wlr_output_layout {
-    struct wl_list outputs;
+	struct wl_list outputs;
+	struct wlr_output_layout_state *state;
 };
 
+struct wlr_output_layout_output_state;
+
 struct wlr_output_layout_output {
-    struct wlr_output *output;
-    int x, y;
-    struct wl_list link;
+	struct wlr_output *output;
+	int x, y;
+	struct wl_list link;
+	struct wlr_output_layout_output_state *state;
 };
 
 struct wlr_output_layout *wlr_output_layout_init();
@@ -38,7 +44,7 @@ void wlr_output_layout_remove(struct wlr_output_layout *layout,
  * coordinates relative to the given reference output.
  */
 void wlr_output_layout_output_coords(struct wlr_output_layout *layout,
-		struct wlr_output *reference, int *x, int *y);
+		struct wlr_output *reference, double *x, double *y);
 
 bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
 		struct wlr_output *reference, int x, int y);
@@ -46,4 +52,19 @@ bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
 bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
 		struct wlr_output *reference, int x1, int y1, int x2, int y2);
 
+/**
+ * Get the closest point on this layout from the given point from the reference
+ * output. If reference is NULL, gets the closest point from the entire layout.
+ */
+void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
+		struct wlr_output *reference, double x, double y, double *dest_x,
+		double *dest_y);
+
+/**
+ * Get the box of the layout for the given reference output. If `reference`
+ * is NULL, the box will be for the extents of the entire layout.
+ */
+struct wlr_box *wlr_output_layout_get_box(
+		struct wlr_output_layout *layout, struct wlr_output *reference);
+
 #endif

include/wlr/types/wlr_pointer.h

@@ -20,12 +20,14 @@ struct wlr_pointer {
 };
 
 struct wlr_event_pointer_motion {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	double delta_x, delta_y;
 };
 
 struct wlr_event_pointer_motion_absolute {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	double x_mm, y_mm;
@@ -33,6 +35,7 @@ struct wlr_event_pointer_motion_absolute {
 };
 
 struct wlr_event_pointer_button {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	uint32_t button;
@@ -52,6 +55,7 @@ enum wlr_axis_orientation {
 };
 
 struct wlr_event_pointer_axis {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	enum wlr_axis_source source;

include/wlr/types/wlr_tablet_tool.h

@@ -32,6 +32,7 @@ enum wlr_tablet_tool_axes {
 };
 
 struct wlr_event_tablet_tool_axis {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	uint32_t updated_axes;
@@ -51,9 +52,10 @@ enum wlr_tablet_tool_proximity_state {
 };
 
 struct wlr_event_tablet_tool_proximity {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
-	double x, y;
+	double x_mm, y_mm;
 	double width_mm, height_mm;
 	enum wlr_tablet_tool_proximity_state state;
 };
@@ -64,14 +66,16 @@ enum wlr_tablet_tool_tip_state {
 };
 
 struct wlr_event_tablet_tool_tip {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
-	double x, y;
+	double x_mm, y_mm;
 	double width_mm, height_mm;
 	enum wlr_tablet_tool_tip_state state;
 };
 
 struct wlr_event_tablet_tool_button {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	uint32_t button;

include/wlr/types/wlr_touch.h

@@ -19,6 +19,7 @@ struct wlr_touch {
 };
 
 struct wlr_event_touch_down {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	int32_t slot;
@@ -27,12 +28,14 @@ struct wlr_event_touch_down {
 };
 
 struct wlr_event_touch_up {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	int32_t slot;
 };
 
 struct wlr_event_touch_motion {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	int32_t slot;
@@ -41,6 +44,7 @@ struct wlr_event_touch_motion {
 };
 
 struct wlr_event_touch_cancel {
+	struct wlr_input_device *device;
 	uint32_t time_sec;
 	uint64_t time_usec;
 	int32_t slot;