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Render moving windows in a cool way

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This commit is contained in:
Kevin Lange 2012-03-27 18:19:35 -05:00
parent 9fd73be686
commit 0448e530ec
1 changed files with 32 additions and 1 deletions
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33
userspace/compositor.c
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@ -241,7 +241,9 @@ window_t * focused_window() {
return top_at_fast(mouse_x / MOUSE_SCALE, mouse_y / MOUSE_SCALE);
}
window_t * moving_window = NULL;
int32_t moving_window_l = 0;
int32_t moving_window_t = 0;
/* Internal drawing functions */
@ -320,6 +322,26 @@ void redraw_everything_fast() {
}
}
void draw_bounding_box(window_t * window, int32_t left, int32_t top) {
if (!window) return;
uint16_t _lo_x = max(left, 0);
uint16_t _hi_x = min(left + window->width, graphics_width);
uint16_t _lo_y = max(top, 0);
uint16_t _hi_y = min(top + window->height, graphics_height);
#define TO_DERPED_OFFSET(x,y) (((x) - left) + ((y) - top) * window->width)
for (uint16_t y = _lo_y; y < _hi_y; ++y) {
for (uint16_t x = _lo_x; x < _hi_x; ++x) {
/* XXX MAKE THIS FASTER */
if (TO_DERPED_OFFSET(x,y) >= window->width * window->height) continue;
GFX(x,y) = alpha_blend(GFX(x,y), ((uint32_t *)window->buffer)[TO_DERPED_OFFSET(x,y)], rgb(127,0,0));
}
}
}
void redraw_bounding_box(window_t *window, int32_t left, int32_t top, uint32_t derped) {
return;
if (!window) {
@ -894,6 +916,9 @@ void * process_requests(void * garbage) {
_mouse_win_y = _mouse_window->y;
_mouse_win_x_p = _mouse_win_x;
_mouse_win_y_p = _mouse_win_y;
moving_window = _mouse_window;
moving_window_l = _mouse_win_x_p;
moving_window_t = _mouse_win_y_p;
make_top(_mouse_window);
redraw_region_slow(0,0,graphics_width,graphics_height);
}
@ -921,12 +946,16 @@ void * process_requests(void * garbage) {
if (!(packet->buttons & MOUSE_BUTTON_LEFT)) {
_mouse_window->x = _mouse_win_x + (mouse_x - _mouse_init_x) / MOUSE_SCALE;
_mouse_window->y = _mouse_win_y + (mouse_y - _mouse_init_y) / MOUSE_SCALE;
moving_window = NULL;
redraw_region_slow(0,0,graphics_width,graphics_height);
_mouse_state = 0;
} else {
redraw_bounding_box(_mouse_window, _mouse_win_x_p, _mouse_win_y_p, 0);
_mouse_win_x_p = _mouse_win_x + (mouse_x - _mouse_init_x) / MOUSE_SCALE;
_mouse_win_y_p = _mouse_win_y + (mouse_y - _mouse_init_y) / MOUSE_SCALE;
moving_window = _mouse_window;
moving_window_l = _mouse_win_x_p;
moving_window_t = _mouse_win_y_p;
redraw_bounding_box(_mouse_window, _mouse_win_x_p, _mouse_win_y_p, 1);
}
} else if (_mouse_state == 2) {
@ -994,6 +1023,8 @@ void * process_requests(void * garbage) {
void * redraw_thread(void * derp) {
while (1) {
redraw_everything_fast();
/* Other stuff */
draw_bounding_box(moving_window, moving_window_l, moving_window_t);
redraw_cursor();
flip();
syscall_yield();