shell: Add back mod+pageup/down keybindings for zoom
This way we can use zoom without a scrollwheel/touchpad.
diff --git a/src/shell.c b/src/shell.c
index 8cd2129..f8110d1 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -1637,15 +1637,24 @@
struct weston_seat *ws = (struct weston_seat *) seat;
struct weston_compositor *compositor = ws->compositor;
struct weston_output *output;
- float maximum_level;
+ float maximum_level, increment;
wl_list_for_each(output, &compositor->output_list, link) {
if (pixman_region32_contains_point(&output->region,
wl_fixed_to_double(seat->pointer->x),
wl_fixed_to_double(seat->pointer->y),
NULL)) {
+ if (key == KEY_PAGEUP && value)
+ increment = output->zoom.increment;
+ else if (key == KEY_PAGEDOWN && value)
+ increment = -output->zoom.increment;
+ else if (axis == WL_POINTER_AXIS_VERTICAL_SCROLL)
+ increment = output->zoom.increment * value;
+ else
+ increment = 0;
+
output->zoom.active = 1;
- output->zoom.level += output->zoom.increment * value;
+ output->zoom.level += increment;
if (output->zoom.level <= 0.0) {
output->zoom.active = 0;
@@ -2579,6 +2588,10 @@
/* configurable bindings */
mod = shell->binding_modifier;
+ weston_compositor_add_binding(ec, KEY_PAGEUP, 0, 0, mod,
+ zoom_binding, NULL);
+ weston_compositor_add_binding(ec, KEY_PAGEDOWN, 0, 0, mod,
+ zoom_binding, NULL);
weston_compositor_add_binding(ec, 0, BTN_LEFT, 0, mod,
move_binding, shell);
weston_compositor_add_binding(ec, 0, BTN_MIDDLE, 0, mod,