mirror of
https://github.com/shadps4-emu/ext-SDL.git
synced 2024-11-30 13:30:36 +00:00
431 lines
13 KiB
C
431 lines
13 KiB
C
/*
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Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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#include <SDL3/SDL_test_common.h>
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#include <SDL3/SDL_main.h>
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#ifdef SDL_PLATFORM_EMSCRIPTEN
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#include <emscripten/emscripten.h>
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#endif
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#include <stdlib.h>
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/* Stolen from the mailing list */
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/* Creates a new mouse cursor from an XPM */
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/* XPM */
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static const char *arrow[] = {
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/* width height num_colors chars_per_pixel */
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" 32 32 3 1",
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/* colors */
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"X c #000000",
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". c #ffffff",
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" c None",
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/* pixels */
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"X ",
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"XX ",
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"X.X ",
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"X..X ",
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"X...X ",
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"X....X ",
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"X.....X ",
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"X......X ",
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"X.......X ",
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"X........X ",
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"X.....XXXXX ",
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"X..X..X ",
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"X.X X..X ",
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"XX X..X ",
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"X X..X ",
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" X..X ",
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" X..X ",
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" X..X ",
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" XX ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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" ",
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"0,0"
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};
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static const char *cross[] = {
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/* width height num_colors chars_per_pixel */
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" 32 32 3 1",
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/* colors */
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"o c #000000",
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". c #ffffff",
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" c None",
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/* pixels */
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" ",
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" ",
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" ",
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" ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oooooooooooooooooooooooo ",
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" oooooooooooooooooooooooo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" oo ",
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" ",
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" ",
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" ",
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" ",
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"0,0"
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};
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static SDL_Cursor *
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init_color_cursor(const char *file)
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{
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SDL_Cursor *cursor = NULL;
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SDL_Surface *surface = SDL_LoadBMP(file);
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if (surface) {
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if (SDL_GetSurfacePalette(surface)) {
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const Uint8 bpp = SDL_BITSPERPIXEL(surface->format);
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const Uint8 mask = (1 << bpp) - 1;
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if (SDL_PIXELORDER(surface->format) == SDL_BITMAPORDER_4321)
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SDL_SetSurfaceColorKey(surface, 1, (*(Uint8 *)surface->pixels) & mask);
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else
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SDL_SetSurfaceColorKey(surface, 1, ((*(Uint8 *)surface->pixels) >> (8 - bpp)) & mask);
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} else {
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switch (SDL_BITSPERPIXEL(surface->format)) {
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case 15:
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SDL_SetSurfaceColorKey(surface, 1, (*(Uint16 *)surface->pixels) & 0x00007FFF);
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break;
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case 16:
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SDL_SetSurfaceColorKey(surface, 1, *(Uint16 *)surface->pixels);
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break;
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case 24:
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SDL_SetSurfaceColorKey(surface, 1, (*(Uint32 *)surface->pixels) & 0x00FFFFFF);
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break;
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case 32:
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SDL_SetSurfaceColorKey(surface, 1, *(Uint32 *)surface->pixels);
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break;
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}
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}
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cursor = SDL_CreateColorCursor(surface, 0, 0);
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SDL_DestroySurface(surface);
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}
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return cursor;
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}
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static SDL_Cursor *
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init_system_cursor(const char *image[])
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{
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int i, row, col;
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Uint8 data[4 * 32];
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Uint8 mask[4 * 32];
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int hot_x = 0;
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int hot_y = 0;
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i = -1;
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for (row = 0; row < 32; ++row) {
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for (col = 0; col < 32; ++col) {
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if (col % 8) {
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data[i] <<= 1;
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mask[i] <<= 1;
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} else {
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++i;
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data[i] = mask[i] = 0;
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}
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switch (image[4 + row][col]) {
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case 'X':
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data[i] |= 0x01;
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mask[i] |= 0x01;
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break;
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case '.':
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mask[i] |= 0x01;
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break;
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case 'o':
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data[i] |= 0x01;
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break;
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case ' ':
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break;
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}
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}
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}
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(void)SDL_sscanf(image[4 + row], "%d,%d", &hot_x, &hot_y);
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return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y);
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}
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static SDLTest_CommonState *state;
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static int done;
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static SDL_Cursor *cursors[3 + SDL_NUM_SYSTEM_CURSORS];
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static SDL_SystemCursor cursor_types[3 + SDL_NUM_SYSTEM_CURSORS];
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static int num_cursors;
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static int current_cursor;
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static SDL_bool show_cursor;
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/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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static void
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quit(int rc)
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{
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SDLTest_CommonQuit(state);
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/* Let 'main()' return normally */
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if (rc != 0) {
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exit(rc);
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}
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}
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static void loop(void)
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{
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int i;
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SDL_Event event;
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/* Check for events */
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while (SDL_PollEvent(&event)) {
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SDLTest_CommonEvent(state, &event, &done);
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if (event.type == SDL_EVENT_MOUSE_BUTTON_DOWN) {
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if (event.button.button == SDL_BUTTON_LEFT) {
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if (num_cursors == 0) {
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continue;
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}
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++current_cursor;
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if (current_cursor == num_cursors) {
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current_cursor = 0;
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}
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SDL_SetCursor(cursors[current_cursor]);
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switch ((int)cursor_types[current_cursor]) {
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case (SDL_SystemCursor)-1:
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SDL_Log("Custom cursor");
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break;
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case SDL_SYSTEM_CURSOR_DEFAULT:
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SDL_Log("Default");
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break;
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case SDL_SYSTEM_CURSOR_TEXT:
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SDL_Log("Text");
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break;
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case SDL_SYSTEM_CURSOR_WAIT:
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SDL_Log("Wait");
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break;
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case SDL_SYSTEM_CURSOR_CROSSHAIR:
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SDL_Log("Crosshair");
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break;
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case SDL_SYSTEM_CURSOR_PROGRESS:
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SDL_Log("Progress: Small wait cursor (or Wait if not available)");
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break;
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case SDL_SYSTEM_CURSOR_NWSE_RESIZE:
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SDL_Log("Double arrow pointing northwest and southeast");
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break;
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case SDL_SYSTEM_CURSOR_NESW_RESIZE:
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SDL_Log("Double arrow pointing northeast and southwest");
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break;
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case SDL_SYSTEM_CURSOR_EW_RESIZE:
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SDL_Log("Double arrow pointing west and east");
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break;
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case SDL_SYSTEM_CURSOR_NS_RESIZE:
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SDL_Log("Double arrow pointing north and south");
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break;
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case SDL_SYSTEM_CURSOR_MOVE:
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SDL_Log("Move: Four pointed arrow pointing north, south, east, and west");
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break;
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case SDL_SYSTEM_CURSOR_NOT_ALLOWED:
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SDL_Log("Not Allowed: Slashed circle or crossbones");
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break;
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case SDL_SYSTEM_CURSOR_POINTER:
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SDL_Log("Pointer: Hand");
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break;
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case SDL_SYSTEM_CURSOR_NW_RESIZE:
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SDL_Log("Window resize top-left");
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break;
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case SDL_SYSTEM_CURSOR_N_RESIZE:
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SDL_Log("Window resize top");
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break;
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case SDL_SYSTEM_CURSOR_NE_RESIZE:
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SDL_Log("Window resize top-right");
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break;
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case SDL_SYSTEM_CURSOR_E_RESIZE:
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SDL_Log("Window resize right");
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break;
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case SDL_SYSTEM_CURSOR_SE_RESIZE:
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SDL_Log("Window resize bottom-right");
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break;
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case SDL_SYSTEM_CURSOR_S_RESIZE:
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SDL_Log("Window resize bottom");
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break;
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case SDL_SYSTEM_CURSOR_SW_RESIZE:
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SDL_Log("Window resize bottom-left");
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break;
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case SDL_SYSTEM_CURSOR_W_RESIZE:
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SDL_Log("Window resize left");
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break;
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default:
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SDL_Log("UNKNOWN CURSOR TYPE, FIX THIS PROGRAM.");
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break;
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}
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} else {
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show_cursor = !show_cursor;
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if (show_cursor) {
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SDL_ShowCursor();
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} else {
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SDL_HideCursor();
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}
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}
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}
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}
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for (i = 0; i < state->num_windows; ++i) {
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SDL_Renderer *renderer = state->renderers[i];
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SDL_FRect rect;
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int x, y, row;
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int window_w = 0, window_h = 0;
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SDL_GetWindowSize(state->windows[i], &window_w, &window_h);
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rect.w = 128.0f;
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rect.h = 128.0f;
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for (y = 0, row = 0; y < window_h; y += (int)rect.h, ++row) {
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SDL_bool black = ((row % 2) == 0) ? SDL_TRUE : SDL_FALSE;
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for (x = 0; x < window_w; x += (int)rect.w) {
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rect.x = (float)x;
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rect.y = (float)y;
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if (black) {
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SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0xFF);
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} else {
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SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
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}
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SDL_RenderFillRect(renderer, &rect);
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black = !black;
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}
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}
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SDL_RenderPresent(renderer);
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}
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#ifdef SDL_PLATFORM_EMSCRIPTEN
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if (done) {
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emscripten_cancel_main_loop();
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}
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#endif
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}
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int main(int argc, char *argv[])
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{
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int i;
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const char *color_cursor = NULL;
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SDL_Cursor *cursor;
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/* Initialize test framework */
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state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
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if (!state) {
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return 1;
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}
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/* Enable standard application logging */
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SDL_SetLogPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
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for (i = 1; i < argc;) {
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int consumed;
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consumed = SDLTest_CommonArg(state, i);
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if (consumed == 0) {
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color_cursor = argv[i];
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break;
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}
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if (consumed < 0) {
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SDLTest_CommonLogUsage(state, argv[0], NULL);
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quit(1);
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}
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i += consumed;
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}
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if (!SDLTest_CommonInit(state)) {
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quit(2);
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}
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num_cursors = 0;
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if (color_cursor) {
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cursor = init_color_cursor(color_cursor);
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if (cursor) {
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cursors[num_cursors] = cursor;
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cursor_types[num_cursors] = (SDL_SystemCursor)-1;
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num_cursors++;
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}
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}
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cursor = init_system_cursor(arrow);
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if (cursor) {
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cursors[num_cursors] = cursor;
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cursor_types[num_cursors] = (SDL_SystemCursor)-1;
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num_cursors++;
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}
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cursor = init_system_cursor(cross);
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if (cursor) {
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cursors[num_cursors] = cursor;
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cursor_types[num_cursors] = (SDL_SystemCursor)-1;
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num_cursors++;
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}
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for (i = 0; i < SDL_NUM_SYSTEM_CURSORS; ++i) {
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cursor = SDL_CreateSystemCursor((SDL_SystemCursor)i);
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if (cursor) {
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cursors[num_cursors] = cursor;
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cursor_types[num_cursors] = i;
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num_cursors++;
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}
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}
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if (num_cursors > 0) {
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SDL_SetCursor(cursors[0]);
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}
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show_cursor = SDL_CursorVisible();
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/* Main render loop */
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done = 0;
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#ifdef SDL_PLATFORM_EMSCRIPTEN
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emscripten_set_main_loop(loop, 0, 1);
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#else
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while (!done) {
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loop();
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}
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#endif
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for (i = 0; i < num_cursors; ++i) {
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SDL_DestroyCursor(cursors[i]);
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}
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quit(0);
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/* keep the compiler happy ... */
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return 0;
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}
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