mirrors
/
weston
mirror of https://gitlab.freedesktop.org/wayland/weston.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

image: Add keyhandler to handle keyboard zoom

This commit is contained in:
Kristian Høgsberg 2012-10-30 15:42:20 -04:00
parent a369ff5273
commit 719b2158e7
1 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
clients/image.c
View File

@ -292,6 +292,37 @@ zoom(struct image *image, double scale)
center_view(image);
}
static void
key_handler(struct window *window, struct input *input, uint32_t time,
uint32_t key, uint32_t sym, enum wl_keyboard_key_state state,
void *data)
{
struct image *image = data;
if (state == WL_KEYBOARD_KEY_STATE_RELEASED)
return;
switch (sym) {
case XKB_KEY_minus:
zoom(image, 0.8);
window_schedule_redraw(image->window);
break;
case XKB_KEY_equal:
case XKB_KEY_plus:
zoom(image, 1.2);
window_schedule_redraw(image->window);
break;
case XKB_KEY_1:
image->matrix.xx = 1.0;
image->matrix.xy = 0.0;
image->matrix.yx = 0.0;
image->matrix.yy = 1.0;
clamp_view(image);
window_schedule_redraw(image->window);
break;
}
}
static void
axis_handler(struct widget *widget, struct input *input, uint32_t time,
uint32_t axis, wl_fixed_t value, void *data)
@ -382,6 +413,7 @@ image_create(struct display *display, const char *filename,
widget_set_motion_handler(image->widget, motion_handler);
widget_set_button_handler(image->widget, button_handler);
widget_set_axis_handler(image->widget, axis_handler);
window_set_key_handler(image->window, key_handler);
widget_schedule_resize(image->widget, 500, 400);
return image;