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testwm.c: show all modes of all displays in the on-screen list (#7323)

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* testwm.c: show all modes of all displays in the on-screen list

To allow testing https://github.com/libsdl-org/SDL/pull/7317
This commit is contained in:
Eric Wasylishen 2023-02-14 22:05:00 -07:00 • committed by GitHub
parent beb6a2afdc
commit 1f46986d33
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 48 additions and 45 deletions
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43
test/testwm.c
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@ -40,7 +40,7 @@ static const char *cursorNames[] = {
int system_cursor = -1; int system_cursor = -1;
SDL_Cursor *cursor = NULL; SDL_Cursor *cursor = NULL;
SDL_bool relative_mode = SDL_FALSE; SDL_bool relative_mode = SDL_FALSE;
int highlighted_mode = -1; const SDL_DisplayMode *highlighted_mode = NULL;
/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
static void static void
@ -57,13 +57,13 @@ draw_modes_menu(SDL_Window *window, SDL_Renderer *renderer, SDL_FRect viewport)
const SDL_DisplayMode **modes; const SDL_DisplayMode **modes;
char text[1024]; char text[1024];
const int lineHeight = 10; const int lineHeight = 10;
const SDL_DisplayID displayID = SDL_GetDisplayForWindow(window); int i, j;
int i;
int column_chars = 0; int column_chars = 0;
int text_length; int text_length;
float x, y; float x, y;
float table_top; float table_top;
SDL_FPoint mouse_pos = { -1.0f, -1.0f }; SDL_FPoint mouse_pos = { -1.0f, -1.0f };
SDL_DisplayID *display_ids;
/* Get mouse position */ /* Get mouse position */
if (SDL_GetMouseFocus() == window) { if (SDL_GetMouseFocus() == window) {
@ -96,16 +96,22 @@ draw_modes_menu(SDL_Window *window, SDL_Renderer *renderer, SDL_FRect viewport)
/* Clear the cached mode under the mouse */ /* Clear the cached mode under the mouse */
if (window == SDL_GetMouseFocus()) { if (window == SDL_GetMouseFocus()) {
highlighted_mode = -1; highlighted_mode = NULL;
} }
modes = SDL_GetFullscreenDisplayModes(displayID, NULL); display_ids = SDL_GetDisplays(NULL);
for (i = 0; modes[i]; ++i) {
SDL_FRect cell_rect;
const SDL_DisplayMode *mode = modes[i];
(void)SDL_snprintf(text, sizeof text, "%d: %dx%d@%gHz", if (display_ids) {
i, mode->pixel_w, mode->pixel_h, mode->refresh_rate); for (i = 0; display_ids[i]; ++i) {
const SDL_DisplayID display_id = display_ids[i];
modes = SDL_GetFullscreenDisplayModes(display_id, NULL);
for (j = 0; modes[j]; ++j) {
SDL_FRect cell_rect;
const SDL_DisplayMode *mode = modes[j];
(void)SDL_snprintf(text, sizeof text, "%s mode %d: %dx%d@%gHz",
SDL_GetDisplayName(display_id),
j, mode->pixel_w, mode->pixel_h, mode->refresh_rate);
/* Update column width */ /* Update column width */
text_length = (int)SDL_strlen(text); text_length = (int)SDL_strlen(text);
@ -122,7 +128,7 @@ draw_modes_menu(SDL_Window *window, SDL_Renderer *renderer, SDL_FRect viewport)
/* Update cached mode under the mouse */ /* Update cached mode under the mouse */
if (window == SDL_GetMouseFocus()) { if (window == SDL_GetMouseFocus()) {
highlighted_mode = i; highlighted_mode = mode;
} }
} else { } else {
SDL_SetRenderDrawColor(renderer, 170, 170, 170, 255); SDL_SetRenderDrawColor(renderer, 170, 170, 170, 255);
@ -140,6 +146,9 @@ draw_modes_menu(SDL_Window *window, SDL_Renderer *renderer, SDL_FRect viewport)
} }
SDL_free((void *)modes); SDL_free((void *)modes);
} }
SDL_free(display_ids);
}
}
void loop() void loop()
{ {
@ -206,15 +215,9 @@ void loop()
} }
if (event.type == SDL_EVENT_MOUSE_BUTTON_UP) { if (event.type == SDL_EVENT_MOUSE_BUTTON_UP) {
SDL_Window *window = SDL_GetMouseFocus(); SDL_Window *window = SDL_GetMouseFocus();
if (highlighted_mode != -1 && window != NULL) { if (highlighted_mode != NULL && window != NULL) {
SDL_DisplayID displayID = SDL_GetDisplayForWindow(window); SDL_memcpy(&state->fullscreen_mode, highlighted_mode, sizeof(state->fullscreen_mode));
int num_modes; SDL_SetWindowFullscreenMode(window, highlighted_mode);
const SDL_DisplayMode **modes = SDL_GetFullscreenDisplayModes(displayID, &num_modes);
if (highlighted_mode < num_modes) {
SDL_memcpy(&state->fullscreen_mode, modes[highlighted_mode], sizeof(state->fullscreen_mode));
SDL_SetWindowFullscreenMode(window, modes[highlighted_mode]);
}
SDL_free((void *)modes);
} }
} }
} }