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swaybar: handle mode/hidden_state changes

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As well as adding the hidden_state property to the bar config struct,
this commit handles barconfig_update events when the mode or
hidden_state changes, and uses a new function determine_bar_visibility
to hide or show the bar as required, using, respectively,
destroy_layer_surface, which is also newly added, and add_layer_surface,
which has been changed to allow dynamically adding the surface.
This commit is contained in:
Ian Fan 2018-10-12 20:32:48 +01:00
parent 55ca16f2d8
commit bcc61e5147
6 changed files with 127 additions and 11 deletions
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62
swaybar/bar.c
View file

@ -32,6 +32,7 @@
static void bar_init(struct swaybar *bar) {
bar->config = init_config();
bar->visible = true;
wl_list_init(&bar->outputs);
}
@ -338,21 +339,65 @@ const struct wl_seat_listener seat_listener = {
};
static void add_layer_surface(struct swaybar_output *output) {
if (output->surface != NULL) {
if (output->layer_surface) {
return;
}
struct swaybar *bar = output->bar;
output->surface = wl_compositor_create_surface(bar->compositor);
assert(output->surface);
struct swaybar_config *config = bar->config;
bool hidden = strcmp(config->mode, "hide") == 0;
output->layer_surface = zwlr_layer_shell_v1_get_layer_surface(
bar->layer_shell, output->surface, output->output,
hidden ? ZWLR_LAYER_SHELL_V1_LAYER_TOP :
ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM, "panel");
assert(output->layer_surface);
zwlr_layer_surface_v1_add_listener(output->layer_surface,
&layer_surface_listener, output);
zwlr_layer_surface_v1_set_anchor(output->layer_surface,
bar->config->position);
zwlr_layer_surface_v1_set_anchor(output->layer_surface, config->position);
if (hidden) {
zwlr_layer_surface_v1_set_exclusive_zone(output->layer_surface, -1);
}
}
static void destroy_layer_surface(struct swaybar_output *output) {
if (!output->layer_surface) {
return;
}
zwlr_layer_surface_v1_destroy(output->layer_surface);
wl_surface_attach(output->surface, NULL, 0, 0); // detach buffer
output->layer_surface = NULL;
output->height = 0;
output->width = 0;
output->frame_scheduled = false;
}
bool determine_bar_visibility(struct swaybar *bar, bool moving_layer) {
struct swaybar_config *config = bar->config;
bool visible = !(strcmp(config->mode, "invisible") == 0 ||
(strcmp(config->mode, config->hidden_state) == 0 // both "hide"
&& !bar->visible_by_modifier && !bar->visible_by_urgency));
struct swaybar_output *output;
if (visible == bar->visible) {
if (visible && moving_layer) {
// need to destroy layer surface to move to a different layer
wl_list_for_each(output, &bar->outputs, link) {
destroy_layer_surface(output);
add_layer_surface(output);
}
}
} else {
bar->visible = visible;
wl_list_for_each(output, &bar->outputs, link) {
if (visible) {
add_layer_surface(output);
} else {
destroy_layer_surface(output);
}
}
}
return visible;
}
static bool bar_uses_output(struct swaybar *bar, const char *name) {
@ -423,8 +468,11 @@ static void xdg_output_handle_done(void *data,
wl_list_remove(&output->link);
wl_list_insert(&bar->outputs, &output->link);
add_layer_surface(output);
set_output_dirty(output);
output->surface = wl_compositor_create_surface(bar->compositor);
assert(output->surface);
if (bar->visible) {
add_layer_surface(output);
}
}
}