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rootston: add roots_xcursor_theme

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roots_xcursor_theme loads multiple wlr_xcursor_theme at different scales.
This commit is contained in:
emersion 2017-11-11 18:42:14 +01:00
parent ac1573b0e7
commit aaf0691883
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GPG key ID: 0FDE7BE0E88F5E48
8 changed files with 170 additions and 77 deletions
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114
rootston/xcursor.c
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@ -1,6 +1,85 @@
#include <wlr/types/wlr_cursor.h>
#define _POSIX_C_SOURCE 200809L
#include <stdlib.h>
#include <string.h>
#include "rootston/xcursor.h"
#include "rootston/input.h"
struct roots_xcursor_theme *roots_xcursor_theme_create(const char *name) {
struct roots_xcursor_theme *theme =
calloc(1, sizeof(struct roots_xcursor_theme));
if (theme == NULL) {
return NULL;
}
theme->name = strdup(name);
wl_list_init(&theme->scaled_themes);
return theme;
}
void roots_xcursor_theme_destroy(struct roots_xcursor_theme *theme) {
if (theme == NULL) {
return;
}
struct roots_xcursor_scaled_theme *scaled_theme, *tmp;
wl_list_for_each_safe(scaled_theme, tmp, &theme->scaled_themes, link) {
wl_list_remove(&scaled_theme->link);
wlr_xcursor_theme_destroy(scaled_theme->theme);
free(scaled_theme);
}
free(theme->name);
free(theme);
}
int roots_xcursor_theme_load(struct roots_xcursor_theme *theme,
uint32_t scale) {
struct roots_xcursor_scaled_theme *scaled_theme;
wl_list_for_each(scaled_theme, &theme->scaled_themes, link) {
if (scaled_theme->scale == scale) {
return 0;
}
}
scaled_theme = calloc(1, sizeof(struct roots_xcursor_scaled_theme));
if (scaled_theme == NULL) {
return 1;
}
scaled_theme->scale = scale;
scaled_theme->theme = wlr_xcursor_theme_load(NULL,
ROOTS_XCURSOR_SIZE * scale);
if (scaled_theme->theme == NULL) {
free(scaled_theme);
return 1;
}
wl_list_insert(&theme->scaled_themes, &scaled_theme->link);
return 0;
}
static void roots_xcursor_theme_set(struct roots_xcursor_theme *theme,
struct wlr_cursor *cursor, const char *name) {
struct roots_xcursor_scaled_theme *scaled_theme;
wl_list_for_each(scaled_theme, &theme->scaled_themes, link) {
struct wlr_xcursor *xcursor =
wlr_xcursor_theme_get_cursor(scaled_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,
scaled_theme->scale);
}
}
void roots_xcursor_theme_set_default(struct roots_xcursor_theme *theme,
struct wlr_cursor *cursor) {
roots_xcursor_theme_set(theme, cursor, "left_ptr");
}
void roots_xcursor_theme_set_move(struct roots_xcursor_theme *theme,
struct wlr_cursor *cursor) {
roots_xcursor_theme_set(theme, cursor, "grabbing");
}
static const char *get_resize_xcursor_name(uint32_t edges) {
if (edges & ROOTS_CURSOR_RESIZE_EDGE_TOP) {
if (edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
@ -24,19 +103,32 @@ static const char *get_resize_xcursor_name(uint32_t edges) {
return "se-resize"; // fallback
}
struct wlr_xcursor *get_default_xcursor(struct wlr_xcursor_theme *theme) {
return wlr_xcursor_theme_get_cursor(theme, "left_ptr");
void roots_xcursor_theme_set_resize(struct roots_xcursor_theme *theme,
struct wlr_cursor *cursor, uint32_t edges) {
roots_xcursor_theme_set(theme, cursor, get_resize_xcursor_name(edges));
}
struct wlr_xcursor *get_move_xcursor(struct wlr_xcursor_theme *theme) {
return wlr_xcursor_theme_get_cursor(theme, "grabbing");
void roots_xcursor_theme_set_rotate(struct roots_xcursor_theme *theme,
struct wlr_cursor *cursor) {
roots_xcursor_theme_set(theme, cursor, "grabbing");
}
struct wlr_xcursor *get_resize_xcursor(struct wlr_xcursor_theme *theme,
uint32_t edges) {
return wlr_xcursor_theme_get_cursor(theme, get_resize_xcursor_name(edges));
}
void roots_xcursor_theme_xwayland_set_default(struct roots_xcursor_theme *theme,
struct wlr_xwayland *xwayland) {
struct roots_xcursor_scaled_theme *scaled_theme;
wl_list_for_each(scaled_theme, &theme->scaled_themes, link) {
if (scaled_theme->scale == 1) {
struct wlr_xcursor *xcursor =
wlr_xcursor_theme_get_cursor(scaled_theme->theme, "left_ptr");
if (xcursor == NULL) {
continue;
}
struct wlr_xcursor *get_rotate_xcursor(struct wlr_xcursor_theme *theme) {
return wlr_xcursor_theme_get_cursor(theme, "grabbing");
struct wlr_xcursor_image *image = xcursor->images[0];
wlr_xwayland_set_cursor(xwayland, image->buffer, image->width,
image->width, image->height, image->hotspot_x,
image->hotspot_y);
break;
}
}
}