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testcustomcursor: Allow running without custom or system cursors

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Cameron Cawley 2022-05-25 22:12:25 +01:00 committed by Sam Lantinga
parent 22d6e09a8d
commit 4c711d2d43
1 changed files with 52 additions and 33 deletions
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85
test/testcustomcursor.c
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@ -135,6 +135,8 @@ init_system_cursor(const char *image[])
static SDLTest_CommonState *state; static SDLTest_CommonState *state;
int done; int done;
static SDL_Cursor *cursors[1+SDL_NUM_SYSTEM_CURSORS]; static SDL_Cursor *cursors[1+SDL_NUM_SYSTEM_CURSORS];
static SDL_SystemCursor cursor_types[1+SDL_NUM_SYSTEM_CURSORS];
static int num_cursors;
static int current_cursor; static int current_cursor;
static int show_cursor; static int show_cursor;
@ -156,32 +158,34 @@ loop()
SDLTest_CommonEvent(state, &event, &done); SDLTest_CommonEvent(state, &event, &done);
if (event.type == SDL_MOUSEBUTTONDOWN) { if (event.type == SDL_MOUSEBUTTONDOWN) {
if (event.button.button == SDL_BUTTON_LEFT) { if (event.button.button == SDL_BUTTON_LEFT) {
if (num_cursors == 0) {
continue;
}
++current_cursor; ++current_cursor;
if (current_cursor == SDL_arraysize(cursors)) { if (current_cursor == num_cursors) {
current_cursor = 0; current_cursor = 0;
} }
SDL_SetCursor(cursors[current_cursor]); SDL_SetCursor(cursors[current_cursor]);
if (current_cursor == 0) { switch (cursor_types[current_cursor]) {
SDL_Log("Custom cursor"); case (SDL_SystemCursor)-1: SDL_Log("Custom cursor"); break;
} else { case SDL_SYSTEM_CURSOR_ARROW: SDL_Log("Arrow"); break;
switch ((SDL_SystemCursor) (current_cursor-1)) { case SDL_SYSTEM_CURSOR_IBEAM: SDL_Log("I-beam"); break;
case SDL_SYSTEM_CURSOR_ARROW: SDL_Log("Arrow"); break; case SDL_SYSTEM_CURSOR_WAIT: SDL_Log("Wait"); break;
case SDL_SYSTEM_CURSOR_IBEAM: SDL_Log("I-beam"); break; case SDL_SYSTEM_CURSOR_CROSSHAIR: SDL_Log("Crosshair"); break;
case SDL_SYSTEM_CURSOR_WAIT: SDL_Log("Wait"); break; case SDL_SYSTEM_CURSOR_WAITARROW: SDL_Log("Small wait cursor (or Wait if not available)"); break;
case SDL_SYSTEM_CURSOR_CROSSHAIR: SDL_Log("Crosshair"); break; case SDL_SYSTEM_CURSOR_SIZENWSE: SDL_Log("Double arrow pointing northwest and southeast"); break;
case SDL_SYSTEM_CURSOR_WAITARROW: SDL_Log("Small wait cursor (or Wait if not available)"); break; case SDL_SYSTEM_CURSOR_SIZENESW: SDL_Log("Double arrow pointing northeast and southwest"); break;
case SDL_SYSTEM_CURSOR_SIZENWSE: SDL_Log("Double arrow pointing northwest and southeast"); break; case SDL_SYSTEM_CURSOR_SIZEWE: SDL_Log("Double arrow pointing west and east"); break;
case SDL_SYSTEM_CURSOR_SIZENESW: SDL_Log("Double arrow pointing northeast and southwest"); break; case SDL_SYSTEM_CURSOR_SIZENS: SDL_Log("Double arrow pointing north and south"); break;
case SDL_SYSTEM_CURSOR_SIZEWE: SDL_Log("Double arrow pointing west and east"); break; case SDL_SYSTEM_CURSOR_SIZEALL: SDL_Log("Four pointed arrow pointing north, south, east, and west"); break;
case SDL_SYSTEM_CURSOR_SIZENS: SDL_Log("Double arrow pointing north and south"); break; case SDL_SYSTEM_CURSOR_NO: SDL_Log("Slashed circle or crossbones"); break;
case SDL_SYSTEM_CURSOR_SIZEALL: SDL_Log("Four pointed arrow pointing north, south, east, and west"); break; case SDL_SYSTEM_CURSOR_HAND: SDL_Log("Hand"); break;
case SDL_SYSTEM_CURSOR_NO: SDL_Log("Slashed circle or crossbones"); break; default: SDL_Log("UNKNOWN CURSOR TYPE, FIX THIS PROGRAM."); break;
case SDL_SYSTEM_CURSOR_HAND: SDL_Log("Hand"); break;
default: SDL_Log("UNKNOWN CURSOR TYPE, FIX THIS PROGRAM."); break;
}
} }
} else { } else {
show_cursor = !show_cursor; show_cursor = !show_cursor;
SDL_ShowCursor(show_cursor); SDL_ShowCursor(show_cursor);
@ -240,23 +244,38 @@ main(int argc, char *argv[])
SDL_RenderClear(renderer); SDL_RenderClear(renderer);
} }
num_cursors = 0;
if (color_cursor) { if (color_cursor) {
cursors[0] = init_color_cursor(color_cursor); SDL_Cursor *cursor = init_color_cursor(color_cursor);
if (cursor) {
cursors[num_cursors] = cursor;
cursor_types[num_cursors] = (SDL_SystemCursor)-1;
num_cursors++;
}
} else { } else {
cursors[0] = init_system_cursor(arrow); SDL_Cursor *cursor = init_system_cursor(arrow);
} if (cursor) {
if (!cursors[0]) { cursors[num_cursors] = cursor;
SDL_Log("Error, couldn't create cursor\n"); cursor_types[num_cursors] = (SDL_SystemCursor)-1;
quit(2); num_cursors++;
}
for (i = 0; i < SDL_NUM_SYSTEM_CURSORS; ++i) {
cursors[1+i] = SDL_CreateSystemCursor((SDL_SystemCursor)i);
if (!cursors[1+i]) {
SDL_Log("Error, couldn't create system cursor %d\n", i);
quit(2);
} }
} }
SDL_SetCursor(cursors[0]);
for (i = 0; i < SDL_NUM_SYSTEM_CURSORS; ++i) {
SDL_Cursor *cursor = SDL_CreateSystemCursor((SDL_SystemCursor)i);
if (cursor) {
cursors[num_cursors] = cursor;
cursor_types[num_cursors] = i;
num_cursors++;
}
}
if (num_cursors > 0) {
SDL_SetCursor(cursors[0]);
}
show_cursor = SDL_ShowCursor(SDL_QUERY);
/* Main render loop */ /* Main render loop */
done = 0; done = 0;
@ -268,7 +287,7 @@ main(int argc, char *argv[])
} }
#endif #endif
for (i = 0; i < SDL_arraysize(cursors); ++i) { for (i = 0; i < num_cursors; ++i) {
SDL_FreeCursor(cursors[i]); SDL_FreeCursor(cursors[i]);
} }
quit(0); quit(0);