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Tests: Add a manual test for a custom cursor (Taken from the API docs)
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/* | ||
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> | ||
This software is provided 'as-is', without any express or implied | ||
warranty. In no event will the authors be held liable for any damages | ||
arising from the use of this software. | ||
Permission is granted to anyone to use this software for any purpose, | ||
including commercial applications, and to alter it and redistribute it | ||
freely. | ||
*/ | ||
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#include <stdlib.h> | ||
#include <stdio.h> | ||
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#ifdef __EMSCRIPTEN__ | ||
#include <emscripten/emscripten.h> | ||
#endif | ||
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#include "SDL_test_common.h" | ||
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/* Stolen from the mailing list */ | ||
/* Creates a new mouse cursor from an XPM */ | ||
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/* XPM */ | ||
static const char *arrow[] = { | ||
/* width height num_colors chars_per_pixel */ | ||
" 32 32 3 1", | ||
/* colors */ | ||
"X c #000000", | ||
". c #ffffff", | ||
" c None", | ||
/* pixels */ | ||
"X ", | ||
"XX ", | ||
"X.X ", | ||
"X..X ", | ||
"X...X ", | ||
"X....X ", | ||
"X.....X ", | ||
"X......X ", | ||
"X.......X ", | ||
"X........X ", | ||
"X.....XXXXX ", | ||
"X..X..X ", | ||
"X.X X..X ", | ||
"XX X..X ", | ||
"X X..X ", | ||
" X..X ", | ||
" X..X ", | ||
" X..X ", | ||
" XX ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
" ", | ||
"0,0" | ||
}; | ||
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static SDL_Cursor* | ||
init_system_cursor(const char *image[]) | ||
{ | ||
int i, row, col; | ||
Uint8 data[4*32]; | ||
Uint8 mask[4*32]; | ||
int hot_x, hot_y; | ||
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i = -1; | ||
for (row=0; row<32; ++row) { | ||
for (col=0; col<32; ++col) { | ||
if (col % 8) { | ||
data[i] <<= 1; | ||
mask[i] <<= 1; | ||
} else { | ||
++i; | ||
data[i] = mask[i] = 0; | ||
} | ||
switch (image[4+row][col]) { | ||
case 'X': | ||
data[i] |= 0x01; | ||
mask[i] |= 0x01; | ||
break; | ||
case '.': | ||
mask[i] |= 0x01; | ||
break; | ||
case ' ': | ||
break; | ||
} | ||
} | ||
} | ||
sscanf(image[4+row], "%d,%d", &hot_x, &hot_y); | ||
return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y); | ||
} | ||
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static SDLTest_CommonState *state; | ||
int done; | ||
SDL_Cursor *cursor = NULL; | ||
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/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ | ||
static void | ||
quit(int rc) | ||
{ | ||
SDLTest_CommonQuit(state); | ||
exit(rc); | ||
} | ||
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void | ||
loop() | ||
{ | ||
int i; | ||
SDL_Event event; | ||
/* Check for events */ | ||
while (SDL_PollEvent(&event)) { | ||
SDLTest_CommonEvent(state, &event, &done); | ||
} | ||
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for (i = 0; i < state->num_windows; ++i) { | ||
SDL_Renderer *renderer = state->renderers[i]; | ||
SDL_RenderClear(renderer); | ||
SDL_RenderPresent(renderer); | ||
} | ||
#ifdef __EMSCRIPTEN__ | ||
if (done) { | ||
emscripten_cancel_main_loop(); | ||
} | ||
#endif | ||
} | ||
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int | ||
main(int argc, char *argv[]) | ||
{ | ||
int i; | ||
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/* Enable standard application logging */ | ||
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); | ||
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/* Initialize test framework */ | ||
state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO); | ||
if (!state) { | ||
return 1; | ||
} | ||
for (i = 1; i < argc;) { | ||
int consumed; | ||
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consumed = SDLTest_CommonArg(state, i); | ||
if (consumed == 0) { | ||
consumed = -1; | ||
} | ||
if (consumed < 0) { | ||
SDL_Log("Usage: %s %s\n", argv[0], SDLTest_CommonUsage(state)); | ||
quit(1); | ||
} | ||
i += consumed; | ||
} | ||
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if (!SDLTest_CommonInit(state)) { | ||
quit(2); | ||
} | ||
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for (i = 0; i < state->num_windows; ++i) { | ||
SDL_Renderer *renderer = state->renderers[i]; | ||
SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF); | ||
SDL_RenderClear(renderer); | ||
} | ||
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cursor = init_system_cursor(arrow); | ||
SDL_SetCursor(cursor); | ||
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/* Main render loop */ | ||
done = 0; | ||
#ifdef __EMSCRIPTEN__ | ||
emscripten_set_main_loop(loop, 0, 1); | ||
#else | ||
while (!done) { | ||
loop(); | ||
} | ||
#endif | ||
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SDL_FreeCursor(cursor); | ||
quit(0); | ||
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/* keep the compiler happy ... */ | ||
return(0); | ||
} |