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menu: render submenu arrows

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Johan Malm 2022-08-02 22:00:24 +01:00 • committed by Consolatis
parent 6a750d465e
commit 429df42a8f
6 changed files with 70 additions and 34 deletions
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4
include/common/font.h
View file

@ -28,9 +28,11 @@ int font_width(struct font *font, const char *string);
* @text: text to be generated as texture
* @font: font description
* @color: foreground color in rgba format
* @arrow: arrow (utf8) character to show or NULL for none
*/
void font_buffer_create(struct lab_data_buffer **buffer, int max_width,
const char *text, struct font *font, float *color, double scale);
const char *text, struct font *font, float *color, const char *arrow,
double scale);
/**
* font_finish - free some font related resources

3
include/common/scaled_font_buffer.h
View file

@ -16,6 +16,7 @@ struct scaled_font_buffer {
char *text;
int max_width;
float color[4];
char *arrow;
struct font font;
struct scaled_scene_buffer *scaled_buffer;
};
@ -44,6 +45,6 @@ struct scaled_font_buffer *scaled_font_buffer_create(struct wlr_scene_tree *pare
* - font and color the same
*/
void scaled_font_buffer_update(struct scaled_font_buffer *self, const char *text,
int max_width, struct font *font, float *color);
int max_width, struct font *font, float *color, const char *arrow);
#endif /* __LAB_COMMON_SCALED_FONT_BUFFER_H */

48
src/common/font.c
View file

@ -1,4 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <assert.h>
#include <cairo.h>
#include <drm_fourcc.h>
#include <pango/pangocairo.h>
@ -12,7 +13,10 @@
static PangoRectangle
font_extents(struct font *font, const char *string)
{
PangoRectangle rect;
PangoRectangle rect = { 0 };
if (!string) {
return rect;
}
cairo_surface_t *surface;
cairo_t *c;
PangoLayout *layout;
@ -58,20 +62,37 @@ font_width(struct font *font, const char *string)
void
font_buffer_create(struct lab_data_buffer **buffer, int max_width,
const char *text, struct font *font, float *color, double scale)
const char *text, struct font *font, float *color, const char *arrow,
double scale)
{
/* Allow a minimum of one pixel each for text and arrow */
if (max_width < 2) {
max_width = 2;
}
if (!text || !*text) {
return;
}
PangoRectangle rect = font_extents(font, text);
if (max_width && rect.width > max_width) {
rect.width = max_width;
PangoRectangle text_extents = font_extents(font, text);
PangoRectangle arrow_extents = font_extents(font, arrow);
if (arrow) {
if (arrow_extents.width >= max_width - 1) {
/* It would be weird to get here, but just in case */
arrow_extents.width = max_width - 1;
text_extents.width = 1;
} else {
text_extents.width = max_width - arrow_extents.width;
}
} else if (text_extents.width > max_width) {
text_extents.width = max_width;
}
*buffer = buffer_create_cairo(rect.width, rect.height, scale, true);
*buffer = buffer_create_cairo(text_extents.width + arrow_extents.width,
text_extents.height, scale, true);
if (!*buffer) {
wlr_log(WLR_ERROR, "Failed to create font buffer of size %dx%d",
rect.width, rect.height);
wlr_log(WLR_ERROR, "Failed to create font buffer");
return;
}
@ -82,7 +103,7 @@ font_buffer_create(struct lab_data_buffer **buffer, int max_width,
cairo_move_to(cairo, 0, 0);
PangoLayout *layout = pango_cairo_create_layout(cairo);
pango_layout_set_width(layout, rect.width * PANGO_SCALE);
pango_layout_set_width(layout, text_extents.width * PANGO_SCALE);
pango_layout_set_text(layout, text, -1);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
@ -92,8 +113,15 @@ font_buffer_create(struct lab_data_buffer **buffer, int max_width,
pango_layout_set_font_description(layout, desc);
pango_font_description_free(desc);
pango_cairo_update_layout(cairo, layout);
pango_cairo_show_layout(cairo, layout);
if (arrow) {
cairo_move_to(cairo, text_extents.width, 0);
pango_layout_set_width(layout, arrow_extents.width * PANGO_SCALE);
pango_layout_set_text(layout, arrow, -1);
pango_cairo_show_layout(cairo, layout);
}
g_object_unref(layout);
cairo_surface_flush(surf);

10
src/common/scaled_font_buffer.c
View file

@ -19,7 +19,7 @@ _create_buffer(struct scaled_scene_buffer *scaled_buffer, double scale)
/* Buffer gets free'd automatically along the backing wlr_buffer */
font_buffer_create(&buffer, self->max_width, self->text,
&self->font, self->color, scale);
&self->font, self->color, self->arrow, scale);
self->width = buffer ? buffer->unscaled_width : 0;
self->height = buffer ? buffer->unscaled_height : 0;
@ -36,6 +36,7 @@ _destroy(struct scaled_scene_buffer *scaled_buffer)
if (self->font.name) {
zfree(self->font.name);
}
zfree(self->arrow);
zfree(scaled_buffer->data);
}
@ -68,8 +69,9 @@ scaled_font_buffer_create(struct wlr_scene_tree *parent)
}
void
scaled_font_buffer_update(struct scaled_font_buffer *self,
const char *text, int max_width, struct font *font, float *color)
scaled_font_buffer_update(struct scaled_font_buffer *self, const char *text,
int max_width, struct font *font, float *color,
const char *arrow)
{
assert(self);
assert(text);
@ -83,6 +85,7 @@ scaled_font_buffer_update(struct scaled_font_buffer *self,
if (self->font.name) {
zfree(self->font.name);
}
zfree(self->arrow);
/* Update internal state */
self->text = strdup(text);
@ -92,6 +95,7 @@ scaled_font_buffer_update(struct scaled_font_buffer *self,
}
self->font.size = font->size;
memcpy(self->color, color, sizeof(self->color));
self->arrow = arrow ? strdup(arrow) : NULL;
/* Invalidate cache and force a new render */
scaled_scene_buffer_invalidate_cache(self->scaled_buffer);

35
src/menu/menu.c
View file

@ -78,7 +78,7 @@ menu_get_by_id(const char *id)
}
static struct menuitem *
item_create(struct menu *menu, const char *text)
item_create(struct menu *menu, const char *text, bool show_arrow)
{
struct menuitem *menuitem = calloc(1, sizeof(struct menuitem));
if (!menuitem) {
@ -137,10 +137,11 @@ item_create(struct menu *menu, const char *text)
menuitem->selected.text = &menuitem->selected.buffer->scene_buffer->node;
/* Font buffers */
const char *arrow = show_arrow ? "›" : NULL;
scaled_font_buffer_update(menuitem->normal.buffer, text, item_max_width,
&font, theme->menu_items_text_color);
&font, theme->menu_items_text_color, arrow);
scaled_font_buffer_update(menuitem->selected.buffer, text, item_max_width,
&font, theme->menu_items_active_text_color);
&font, theme->menu_items_active_text_color, arrow);
/* Center font nodes */
x = MENU_ITEM_PADDING_X;
@ -221,7 +222,7 @@ fill_item(char *nodename, char *content)
/* <item label=""> defines the start of a new item */
if (!strcmp(nodename, "label")) {
current_item = item_create(current_menu, content);
current_item = item_create(current_menu, content, false);
current_item_action = NULL;
} else if (!current_item) {
wlr_log(WLR_ERROR, "expect <item label=\"\"> element first. "
@ -349,7 +350,7 @@ handle_menu_element(xmlNode *n, struct server *server)
* In a nested (inline) menu definition we need to
* create an item pointing to the new submenu
*/
current_item = item_create(current_menu, label);
current_item = item_create(current_menu, label, true);
if (current_item) {
submenu = &current_item->submenu;
} else {
@ -371,7 +372,7 @@ handle_menu_element(xmlNode *n, struct server *server)
*/
struct menu *menu = menu_get_by_id(id);
if (menu) {
current_item = item_create(current_menu, menu->label);
current_item = item_create(current_menu, menu->label, true);
if (current_item) {
current_item->submenu = menu;
}
@ -592,9 +593,9 @@ menu_init_rootmenu(struct server *server)
menu = menu_create(server, "root-menu", "");
}
if (wl_list_empty(&menu->menuitems)) {
current_item = item_create(menu, _("Reconfigure"));
current_item = item_create(menu, _("Reconfigure"), false);
fill_item("name.action", "Reconfigure");
current_item = item_create(menu, _("Exit"));
current_item = item_create(menu, _("Exit"), false);
fill_item("name.action", "Exit");
}
}
@ -610,33 +611,33 @@ menu_init_windowmenu(struct server *server)
menu = menu_create(server, "client-menu", "");
}
if (wl_list_empty(&menu->menuitems)) {
current_item = item_create(menu, _("Minimize"));
current_item = item_create(menu, _("Minimize"), false);
fill_item("name.action", "Iconify");
current_item = item_create(menu, _("Maximize"));
current_item = item_create(menu, _("Maximize"), false);
fill_item("name.action", "ToggleMaximize");
current_item = item_create(menu, _("Fullscreen"));
current_item = item_create(menu, _("Fullscreen"), false);
fill_item("name.action", "ToggleFullscreen");
current_item = item_create(menu, _("Decorations"));
current_item = item_create(menu, _("Decorations"), false);
fill_item("name.action", "ToggleDecorations");
current_item = item_create(menu, _("AlwaysOnTop"));
current_item = item_create(menu, _("AlwaysOnTop"), false);
fill_item("name.action", "ToggleAlwaysOnTop");
/* Workspace sub-menu */
struct menu *workspace_menu = menu_create(server, "workspaces", "");
current_item = item_create(workspace_menu, _("Move left"));
current_item = item_create(workspace_menu, _("Move left"), false);
fill_item("name.action", "SendToDesktop");
fill_item("to.action", "left");
fill_item("name.action", "GoToDesktop");
fill_item("to.action", "left");
current_item = item_create(workspace_menu, _("Move right"));
current_item = item_create(workspace_menu, _("Move right"), false);
fill_item("name.action", "SendToDesktop");
fill_item("to.action", "right");
fill_item("name.action", "GoToDesktop");
fill_item("to.action", "right");
current_item = item_create(menu, _("Workspace"));
current_item = item_create(menu, _("Workspace"), true);
current_item->submenu = workspace_menu;
current_item = item_create(menu, _("Close"));
current_item = item_create(menu, _("Close"), false);
fill_item("name.action", "Close");
}

4
src/ssd/ssd_titlebar.c
View file

@ -254,8 +254,8 @@ ssd_update_title(struct view *view)
}
if (part->buffer) {
scaled_font_buffer_update(part->buffer,
title, title_bg_width, &font, text_color);
scaled_font_buffer_update(part->buffer, title,
title_bg_width, &font, text_color, NULL);
}
/* And finally update the cache */