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Factorize window resize 

When the content size changes, either on frame size or client rotation
changes, the window must be resized. Factorize for both cases.
This commit is contained in:
Romain Vimont 2020-05-11 02:00:46 +02:00
parent 31fa115655
commit 2608b1dc62
1 changed files with 17 additions and 24 deletions
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41
app/src/screen.c
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@ -331,6 +331,21 @@ screen_destroy(struct screen *screen) {
}
}
static void
set_content_size(struct screen *screen, struct size new_content_size) {
struct size old_content_size = screen->content_size;
struct size windowed_size = get_windowed_window_size(screen);
struct size target_size = {
.width = (uint32_t) windowed_size.width * new_content_size.width
/ old_content_size.width,
.height = (uint32_t) windowed_size.height * new_content_size.height
/ old_content_size.height,
};
target_size = get_optimal_size(target_size, new_content_size);
set_window_size(screen, target_size);
screen->content_size = new_content_size;
}
void
screen_set_rotation(struct screen *screen, unsigned rotation) {
assert(rotation < 4);
@ -338,7 +353,6 @@ screen_set_rotation(struct screen *screen, unsigned rotation) {
return;
}
struct size old_content_size = screen->content_size;
struct size new_content_size =
get_rotated_size(screen->frame_size, rotation);
@ -349,17 +363,7 @@ screen_set_rotation(struct screen *screen, unsigned rotation) {
return;
}
struct size windowed_size = get_windowed_window_size(screen);
struct size target_size = {
.width = (uint32_t) windowed_size.width * new_content_size.width
/ old_content_size.width,
.height = (uint32_t) windowed_size.height * new_content_size.height
/ old_content_size.height,
};
target_size = get_optimal_size(target_size, new_content_size);
set_window_size(screen, target_size);
screen->content_size = new_content_size;
set_content_size(screen, new_content_size);
screen->rotation = rotation;
LOGI("Display rotation set to %u", rotation);
@ -383,19 +387,8 @@ prepare_for_frame(struct screen *screen, struct size new_frame_size) {
// frame dimension changed, destroy texture
SDL_DestroyTexture(screen->texture);
struct size content_size = screen->content_size;
struct size windowed_size = get_windowed_window_size(screen);
struct size target_size = {
(uint32_t) windowed_size.width * new_content_size.width
/ content_size.width,
(uint32_t) windowed_size.height * new_content_size.height
/ content_size.height,
};
target_size = get_optimal_size(target_size, new_content_size);
set_window_size(screen, target_size);
set_content_size(screen, new_content_size);
screen->frame_size = new_frame_size;
screen->content_size = new_content_size;
LOGI("New texture: %" PRIu16 "x%" PRIu16,
screen->frame_size.width, screen->frame_size.height);