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Rough screenshot support

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Still needs to be moved to the print screen key. Ctrl+Shift+P for whole
screen, Ctrl+Shift+Alt+P for active window.
This commit is contained in:
Kevin Lange 2013-07-22 22:42:24 -07:00
parent 9f50d7a3bf
commit fd259ce8ab
1 changed files with 37 additions and 0 deletions
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37
userspace/gui/compositor/compositor.c
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@ -43,6 +43,9 @@
#define MODE_SCALE 0x002
#define MODE_WINDOW_PICKER 0x003
#define SCREENSHOT_WHOLE_SCREEN 1
#define SCREENSHOT_THIS_WINDOW 2
unsigned int tick_count = 0;
int animation_lengths[] = {
@ -89,6 +92,7 @@ wins_server_global_t volatile * _request_page;
int error;
int focus_next_scale = 0;
int window_picker_index = 0;
int take_screenshot_now = 0;
int management_mode = MODE_NORMAL;
@ -1154,6 +1158,17 @@ int handle_key_press(w_keyboard_t * keyboard, server_window_t * window) {
}
}
if ((keyboard->event.modifiers & KEY_MOD_LEFT_CTRL) &&
(keyboard->event.modifiers & KEY_MOD_LEFT_SHIFT) &&
(keyboard->event.keycode == 'p')) {
if (keyboard->event.modifiers & KEY_MOD_LEFT_ALT) {
take_screenshot_now = SCREENSHOT_THIS_WINDOW;
} else {
take_screenshot_now = SCREENSHOT_WHOLE_SCREEN;
}
return 1;
}
if ((keyboard->event.modifiers & KEY_MOD_LEFT_ALT) &&
(keyboard->event.keycode == '\t')) {
int direction = (keyboard->event.modifiers & KEY_MOD_LEFT_SHIFT) ? -1 : 1;
@ -1422,6 +1437,22 @@ void * keyboard_input(void * garbage) {
return NULL;
}
void take_screenshot(int of_what) {
cairo_surface_t * srf;
if (of_what == SCREENSHOT_WHOLE_SCREEN) {
int stride = ctx->width * 4;
srf = cairo_image_surface_create_for_data(ctx->backbuffer, CAIRO_FORMAT_ARGB32, ctx->width, ctx->height, stride);
} else if (of_what == SCREENSHOT_THIS_WINDOW) {
server_window_t * window = focused_window();
if (!window) { return; }
int stride = window->width * 4;
srf = cairo_image_surface_create_for_data(window->buffer, CAIRO_FORMAT_ARGB32, window->width, window->height, stride);
}
cairo_surface_write_to_png(srf, "/tmp/screenshot.png");
cairo_surface_destroy(srf);
}
void * redraw_thread(void * derp) {
while (1) {
spin_lock(&am_drawing);
@ -1438,6 +1469,12 @@ void * redraw_thread(void * derp) {
}
/* Other stuff */
redraw_cursor();
if (take_screenshot_now) {
take_screenshot(take_screenshot_now);
take_screenshot_now = 0;
}
spin_unlock(&am_drawing);
tick_count += 10;