mirror of
https://github.com/labwc/labwc.git
synced 2025-11-03 09:01:51 -05:00
117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <cairo/cairo.h>
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#include <pango/pangocairo.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "labwc.h"
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#include "menu/menu.h"
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static float background[4] = { 0.3f, 0.1f, 0.1f, 1.0f };
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static float foreground[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
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static const char font[] = "Sans 11";
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struct wlr_texture *
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texture_create(struct server *server, struct wlr_box *geo, const char *text,
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float *bg, float *fg)
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{
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cairo_surface_t *surf = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
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geo->width, geo->height);
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cairo_t *cairo = cairo_create(surf);
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cairo_set_source_rgb(cairo, bg[0], bg[1], bg[2]);
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cairo_paint(cairo);
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cairo_set_source_rgba(cairo, fg[0], fg[1], fg[2], fg[3]);
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cairo_move_to(cairo, 0, 0);
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PangoLayout *layout = pango_cairo_create_layout(cairo);
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pango_layout_set_width(layout, geo->width * PANGO_SCALE);
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pango_layout_set_text(layout, text, -1);
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PangoFontDescription *desc = pango_font_description_from_string(font);
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pango_layout_set_font_description(layout, desc);
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pango_font_description_free(desc);
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pango_cairo_update_layout(cairo, layout);
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pango_cairo_show_layout(cairo, layout);
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g_object_unref(layout);
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cairo_surface_flush(surf);
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unsigned char *data = cairo_image_surface_get_data(surf);
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struct wlr_texture *texture = wlr_texture_from_pixels(server->renderer,
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WL_SHM_FORMAT_ARGB8888, cairo_image_surface_get_stride(surf),
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geo->width, geo->height, data);
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cairo_destroy(cairo);
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cairo_surface_destroy(surf);
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return texture;
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}
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#define MENUWIDTH (100)
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#define MENUHEIGHT (25)
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struct menuitem *
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menuitem_create(struct server *server, struct menu *menu, const char *text,
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const char *action, const char *command)
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{
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struct menuitem *menuitem = calloc(1, sizeof(struct menuitem));
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if (!menuitem) {
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return NULL;
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}
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menuitem->action = action ? strdup(action) : NULL;
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menuitem->command = command ? strdup(command) : NULL;
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menuitem->geo_box.width = MENUWIDTH;
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menuitem->geo_box.height = MENUHEIGHT;
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menuitem->active_texture = texture_create(server, &menuitem->geo_box,
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text, background, foreground);
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menuitem->inactive_texture = texture_create(server, &menuitem->geo_box,
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text, foreground, background);
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wl_list_insert(&menu->menuitems, &menuitem->link);
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return menuitem;
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}
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void
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menu_init(struct server *server, struct menu *menu)
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{
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wl_list_init(&menu->menuitems);
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menuitem_create(server, menu, "Terminal", "Execute", "sakura");
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menuitem_create(server, menu, "Reconfigure", "Reconfigure", NULL);
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menuitem_create(server, menu, "Exit", "Exit", NULL);
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menu_move(menu, 100, 100);
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}
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void
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menu_move(struct menu *menu, int x, int y)
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{
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menu->x = x;
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menu->y = y;
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int offset = 0;
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struct menuitem *menuitem;
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wl_list_for_each (menuitem, &menu->menuitems, link) {
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menuitem->geo_box.x = menu->x;
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menuitem->geo_box.y = menu->y + offset;
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offset += menuitem->geo_box.height;
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}
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}
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void
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menu_set_selected(struct menu *menu, int x, int y)
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{
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struct menuitem *menuitem;
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wl_list_for_each (menuitem, &menu->menuitems, link) {
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menuitem->selected =
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wlr_box_contains_point(&menuitem->geo_box, x, y);
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}
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}
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void
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menu_action_selected(struct server *server, struct menu *menu)
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{
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struct menuitem *menuitem;
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wl_list_for_each (menuitem, &menu->menuitems, link) {
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if (menuitem->selected) {
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action(server, menuitem->action, menuitem->command);
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break;
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}
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}
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}
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