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Introduce wlr_xcursor_manager

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emersion 2017-11-12 11:10:56 +01:00
parent 2dccb11741
commit 8605243459
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GPG key ID: 0FDE7BE0E88F5E48
13 changed files with 180 additions and 167 deletions
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3
types/meson.build
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@ -20,8 +20,9 @@ lib_wlr_types = static_library(
'wlr_tablet_pad.c',
'wlr_tablet_tool.c',
'wlr_touch.c',
'wlr_xdg_shell_v6.c',
'wlr_wl_shell.c',
'wlr_xcursor_manager.c',
'wlr_xdg_shell_v6.c',
),
include_directories: wlr_inc,
dependencies: [wayland_server, pixman, wlr_protos],

84
types/wlr_xcursor_manager.c Normal file
View file

@ -0,0 +1,84 @@
#define _POSIX_C_SOURCE 200809L
#include <stdlib.h>
#include <string.h>
#include <wlr/types/wlr_xcursor_manager.h>
struct wlr_xcursor_manager *wlr_xcursor_manager_create(const char *name,
uint32_t size) {
struct wlr_xcursor_manager *manager =
calloc(1, sizeof(struct wlr_xcursor_manager));
if (manager == NULL) {
return NULL;
}
if (name != NULL) {
manager->name = strdup(name);
}
manager->size = size;
wl_list_init(&manager->scaled_themes);
return manager;
}
void wlr_xcursor_manager_destroy(struct wlr_xcursor_manager *manager) {
if (manager == NULL) {
return;
}
struct wlr_xcursor_manager_theme *theme, *tmp;
wl_list_for_each_safe(theme, tmp, &manager->scaled_themes, link) {
wl_list_remove(&theme->link);
wlr_xcursor_theme_destroy(theme->theme);
free(theme);
}
free(manager->name);
free(manager);
}
int wlr_xcursor_manager_load(struct wlr_xcursor_manager *manager,
uint32_t scale) {
struct wlr_xcursor_manager_theme *theme;
wl_list_for_each(theme, &manager->scaled_themes, link) {
if (theme->scale == scale) {
return 0;
}
}
theme = calloc(1, sizeof(struct wlr_xcursor_manager_theme));
if (theme == NULL) {
return 1;
}
theme->scale = scale;
theme->theme = wlr_xcursor_theme_load(NULL, manager->size * scale);
if (theme->theme == NULL) {
free(theme);
return 1;
}
wl_list_insert(&manager->scaled_themes, &theme->link);
return 0;
}
struct wlr_xcursor *wlr_xcursor_manager_get_xcursor(
struct wlr_xcursor_manager *manager, const char *name, uint32_t scale) {
struct wlr_xcursor_manager_theme *theme;
wl_list_for_each(theme, &manager->scaled_themes, link) {
if (theme->scale == scale) {
return wlr_xcursor_theme_get_cursor(theme->theme, name);
}
}
return NULL;
}
void wlr_xcursor_manager_set_cursor_image(struct wlr_xcursor_manager *manager,
const char *name, struct wlr_cursor *cursor) {
struct wlr_xcursor_manager_theme *theme;
wl_list_for_each(theme, &manager->scaled_themes, link) {
struct wlr_xcursor *xcursor =
wlr_xcursor_theme_get_cursor(theme->theme, name);
if (xcursor == NULL) {
continue;
}
struct wlr_xcursor_image *image = xcursor->images[0];
wlr_cursor_set_image(cursor, image->buffer, image->width,
image->width, image->height, image->hotspot_x, image->hotspot_y,
theme->scale);
}
}