149 lines
4.2 KiB
C
149 lines
4.2 KiB
C
#include "xcursor.h"
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#include <stdint.h>
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#include <xcb/xcb.h>
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#include <xcb/xcb_cursor.h>
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#include <xcb/xproto.h>
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#include "base.h"
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#include "utils.h"
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#include "wm.h"
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static const char *const xcursor_font[] = {
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[XC_X_cursor] = "X_cursor",
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[XC_arrow] = "arrow",
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[XC_based_arrow_down] = "based_arrow_down",
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[XC_based_arrow_up] = "based_arrow_up",
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[XC_boat] = "boat",
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[XC_bogosity] = "bogosity",
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[XC_bottom_left_corner] = "bottom_left_corner",
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[XC_bottom_right_corner] = "bottom_right_corner",
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[XC_bottom_side] = "bottom_side",
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[XC_bottom_tee] = "bottom_tee",
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[XC_box_spiral] = "box_spiral",
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[XC_center_ptr] = "center_ptr",
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[XC_circle] = "circle",
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[XC_clock] = "clock",
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[XC_coffee_mug] = "coffee_mug",
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[XC_cross] = "cross",
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[XC_cross_reverse] = "cross_reverse",
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[XC_crosshair] = "crosshair",
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[XC_diamond_cross] = "diamond_cross",
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[XC_dot] = "dot",
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[XC_dotbox] = "dotbox",
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[XC_double_arrow] = "double_arrow",
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[XC_draft_large] = "draft_large",
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[XC_draft_small] = "draft_small",
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[XC_draped_box] = "draped_box",
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[XC_exchange] = "exchange",
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[XC_fleur] = "fleur",
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[XC_gobbler] = "gobbler",
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[XC_gumby] = "gumby",
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[XC_hand1] = "hand1",
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[XC_hand2] = "hand2",
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[XC_heart] = "heart",
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[XC_icon] = "icon",
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[XC_iron_cross] = "iron_cross",
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[XC_left_ptr] = "left_ptr",
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[XC_left_side] = "left_side",
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[XC_left_tee] = "left_tee",
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[XC_leftbutton] = "leftbutton",
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[XC_ll_angle] = "ll_angle",
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[XC_lr_angle] = "lr_angle",
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[XC_man] = "man",
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[XC_middlebutton] = "middlebutton",
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[XC_mouse] = "mouse",
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[XC_pencil] = "pencil",
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[XC_pirate] = "pirate",
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[XC_plus] = "plus",
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[XC_question_arrow] = "question_arrow",
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[XC_right_ptr] = "right_ptr",
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[XC_right_side] = "right_side",
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[XC_right_tee] = "right_tee",
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[XC_rightbutton] = "rightbutton",
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[XC_rtl_logo] = "rtl_logo",
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[XC_sailboat] = "sailboat",
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[XC_sb_down_arrow] = "sb_down_arrow",
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[XC_sb_h_double_arrow] = "sb_h_double_arrow",
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[XC_sb_left_arrow] = "sb_left_arrow",
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[XC_sb_right_arrow] = "sb_right_arrow",
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[XC_sb_up_arrow] = "sb_up_arrow",
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[XC_sb_v_double_arrow] = "sb_v_double_arrow",
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[XC_shuttle] = "shuttle",
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[XC_sizing] = "sizing",
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[XC_spider] = "spider",
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[XC_spraycan] = "spraycan",
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[XC_star] = "star",
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[XC_target] = "target",
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[XC_tcross] = "tcross",
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[XC_top_left_arrow] = "top_left_arrow",
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[XC_top_left_corner] = "top_left_corner",
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[XC_top_right_corner] = "top_right_corner",
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[XC_top_side] = "top_side",
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[XC_top_tee] = "top_tee",
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[XC_trek] = "trek",
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[XC_ul_angle] = "ul_angle",
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[XC_umbrella] = "umbrella",
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[XC_ur_angle] = "ur_angle",
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[XC_watch] = "watch",
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[XC_xterm] = "xterm",
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};
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static xcb_cursor_context_t *get_xcb_cursor_context(void) {
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static xcb_cursor_context_t *ctx = nullptr;
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if (ctx) return ctx;
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if (xcb_cursor_context_new(wm.xcb_conn, wm.screen, &ctx) < 0) {
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return nullptr;
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}
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return ctx;
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}
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static const char *xcursor_font_tostr(uint16_t c) {
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if (c < (uint16_t)countof(xcursor_font)) {
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return xcursor_font[c];
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}
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return nullptr;
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}
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static xcb_cursor_t cursor_list[countof(xcursor_font)];
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static xcb_cursor_context_t *cursor_ctx = nullptr;
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xcb_cursor_t xcursor_get_xcb_cursor(cursor_t cursor) {
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if (!cursor_ctx) cursor_ctx = get_xcb_cursor_context();
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if (!cursor_ctx) fatal("cannot get cursor");
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if (!cursor_list[cursor]) {
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const char *name = xcursor_font_tostr(cursor);
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cursor_list[cursor] = xcb_cursor_load_cursor(cursor_ctx, name);
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}
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return cursor_list[cursor];
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}
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void xcursor_clean(void) {
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for (int i = 0; i < countof(xcursor_font); i++) {
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xcb_cursor_t cursor = cursor_list[i];
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if (cursor) xcb_free_cursor(wm.xcb_conn, cursor);
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}
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if (cursor_ctx) xcb_cursor_context_free(cursor_ctx);
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}
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point_t xcursor_query_pointer_position(void) {
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xcb_query_pointer_cookie_t cookie =
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xcb_query_pointer(wm.xcb_conn, wm.screen->root);
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xcb_query_pointer_reply_t *reply =
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xcb_query_pointer_reply(wm.xcb_conn, cookie, nullptr);
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point_t pos = {.x = reply->root_x, .y = reply->root_y};
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p_delete(&reply);
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return pos;
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}
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void xcursor_set_pointer_position(point_t point) {
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xcb_window_t window = XCB_WINDOW_NONE;
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xcb_window_t root = wm.screen->root;
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xcb_warp_pointer(wm.xcb_conn, window, root, 0, 0, 1, 1, point.x, point.y);
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xcb_flush(wm.xcb_conn);
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}
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