135 lines
3.9 KiB
C
135 lines
3.9 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <stdlib.h>
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#include <string.h>
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#include "rootston/xcursor.h"
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#include "rootston/input.h"
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struct roots_xcursor_theme *roots_xcursor_theme_create(const char *name) {
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struct roots_xcursor_theme *theme =
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calloc(1, sizeof(struct roots_xcursor_theme));
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if (theme == NULL) {
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return NULL;
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}
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theme->name = strdup(name);
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wl_list_init(&theme->scaled_themes);
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return theme;
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}
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void roots_xcursor_theme_destroy(struct roots_xcursor_theme *theme) {
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if (theme == NULL) {
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return;
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}
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struct roots_xcursor_scaled_theme *scaled_theme, *tmp;
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wl_list_for_each_safe(scaled_theme, tmp, &theme->scaled_themes, link) {
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wl_list_remove(&scaled_theme->link);
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wlr_xcursor_theme_destroy(scaled_theme->theme);
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free(scaled_theme);
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}
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free(theme->name);
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free(theme);
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}
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int roots_xcursor_theme_load(struct roots_xcursor_theme *theme,
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uint32_t scale) {
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struct roots_xcursor_scaled_theme *scaled_theme;
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wl_list_for_each(scaled_theme, &theme->scaled_themes, link) {
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if (scaled_theme->scale == scale) {
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return 0;
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}
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}
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scaled_theme = calloc(1, sizeof(struct roots_xcursor_scaled_theme));
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if (scaled_theme == NULL) {
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return 1;
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}
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scaled_theme->scale = scale;
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scaled_theme->theme = wlr_xcursor_theme_load(NULL,
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ROOTS_XCURSOR_SIZE * scale);
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if (scaled_theme->theme == NULL) {
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free(scaled_theme);
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return 1;
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}
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wl_list_insert(&theme->scaled_themes, &scaled_theme->link);
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return 0;
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}
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static void roots_xcursor_theme_set(struct roots_xcursor_theme *theme,
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struct wlr_cursor *cursor, const char *name) {
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struct roots_xcursor_scaled_theme *scaled_theme;
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wl_list_for_each(scaled_theme, &theme->scaled_themes, link) {
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struct wlr_xcursor *xcursor =
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wlr_xcursor_theme_get_cursor(scaled_theme->theme, name);
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if (xcursor == NULL) {
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continue;
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}
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struct wlr_xcursor_image *image = xcursor->images[0];
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wlr_cursor_set_image(cursor, image->buffer, image->width,
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image->width, image->height, image->hotspot_x, image->hotspot_y,
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scaled_theme->scale);
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}
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}
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void roots_xcursor_theme_set_default(struct roots_xcursor_theme *theme,
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struct wlr_cursor *cursor) {
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roots_xcursor_theme_set(theme, cursor, "left_ptr");
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}
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void roots_xcursor_theme_set_move(struct roots_xcursor_theme *theme,
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struct wlr_cursor *cursor) {
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roots_xcursor_theme_set(theme, cursor, "grabbing");
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}
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static const char *get_resize_xcursor_name(uint32_t edges) {
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if (edges & ROOTS_CURSOR_RESIZE_EDGE_TOP) {
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if (edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
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return "ne-resize";
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} else if (edges & ROOTS_CURSOR_RESIZE_EDGE_LEFT) {
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return "nw-resize";
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}
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return "n-resize";
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} else if (edges & ROOTS_CURSOR_RESIZE_EDGE_BOTTOM) {
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if (edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
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return "se-resize";
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} else if (edges & ROOTS_CURSOR_RESIZE_EDGE_LEFT) {
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return "sw-resize";
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}
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return "s-resize";
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} else if (edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
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return "e-resize";
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} else if (edges & ROOTS_CURSOR_RESIZE_EDGE_LEFT) {
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return "w-resize";
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}
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return "se-resize"; // fallback
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}
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void roots_xcursor_theme_set_resize(struct roots_xcursor_theme *theme,
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struct wlr_cursor *cursor, uint32_t edges) {
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roots_xcursor_theme_set(theme, cursor, get_resize_xcursor_name(edges));
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}
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void roots_xcursor_theme_set_rotate(struct roots_xcursor_theme *theme,
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struct wlr_cursor *cursor) {
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roots_xcursor_theme_set(theme, cursor, "grabbing");
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}
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void roots_xcursor_theme_xwayland_set_default(struct roots_xcursor_theme *theme,
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struct wlr_xwayland *xwayland) {
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struct roots_xcursor_scaled_theme *scaled_theme;
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wl_list_for_each(scaled_theme, &theme->scaled_themes, link) {
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if (scaled_theme->scale == 1) {
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struct wlr_xcursor *xcursor =
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wlr_xcursor_theme_get_cursor(scaled_theme->theme, "left_ptr");
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if (xcursor == NULL) {
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continue;
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}
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struct wlr_xcursor_image *image = xcursor->images[0];
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wlr_xwayland_set_cursor(xwayland, image->buffer, image->width,
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image->width, image->height, image->hotspot_x,
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image->hotspot_y);
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break;
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}
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}
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}
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