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Add hidpi support to swaybar

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This commit is contained in:
Drew DeVault 2018-04-03 21:06:28 -04:00
parent deb63eda88
commit 2605950769
3 changed files with 173 additions and 69 deletions
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73
swaybar/bar.c
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@ -69,11 +69,19 @@ static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
break;
}
}
int max_scale = 1;
struct swaybar_output *_output;
wl_list_for_each(_output, &bar->outputs, link) {
if (_output->scale > max_scale) {
max_scale = _output->scale;
}
}
wl_surface_set_buffer_scale(pointer->cursor_surface, max_scale);
wl_surface_attach(pointer->cursor_surface,
wl_cursor_image_get_buffer(pointer->cursor_image), 0, 0);
wl_pointer_set_cursor(wl_pointer, serial, pointer->cursor_surface,
pointer->cursor_image->hotspot_x,
pointer->cursor_image->hotspot_y);
pointer->cursor_image->hotspot_x / max_scale,
pointer->cursor_image->hotspot_y / max_scale);
wl_surface_commit(pointer->cursor_surface);
}
@ -103,10 +111,12 @@ static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
}
struct swaybar_hotspot *hotspot;
wl_list_for_each(hotspot, &output->hotspots, link) {
if (pointer->x >= hotspot->x
&& pointer->y >= hotspot->y
&& pointer->x < hotspot->x + hotspot->width
&& pointer->y < hotspot->y + hotspot->height) {
double x = pointer->x * output->scale;
double y = pointer->y * output->scale;
if (x >= hotspot->x
&& y >= hotspot->y
&& x < hotspot->x + hotspot->width
&& y < hotspot->y + hotspot->height) {
hotspot->callback(output, pointer->x, pointer->y,
button, hotspot->data);
}
@ -197,12 +207,43 @@ const struct wl_seat_listener seat_listener = {
.name = seat_handle_name,
};
static void output_geometry(void *data, struct wl_output *output, int32_t x,
int32_t y, int32_t width_mm, int32_t height_mm, int32_t subpixel,
const char *make, const char *model, int32_t transform) {
// Who cares
}
static void output_mode(void *data, struct wl_output *output, uint32_t flags,
int32_t width, int32_t height, int32_t refresh) {
// Who cares
}
static void output_done(void *data, struct wl_output *output) {
// Who cares
}
static void output_scale(void *data, struct wl_output *wl_output,
int32_t factor) {
struct swaybar_output *output = data;
output->scale = factor;
if (output->surface) {
render_frame(output->bar, output);
}
}
struct wl_output_listener output_listener = {
.geometry = output_geometry,
.mode = output_mode,
.done = output_done,
.scale = output_scale,
};
static void handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
struct swaybar *bar = data;
if (strcmp(interface, wl_compositor_interface.name) == 0) {
bar->compositor = wl_registry_bind(registry, name,
&wl_compositor_interface, 1);
&wl_compositor_interface, 3);
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
bar->seat = wl_registry_bind(registry, name,
&wl_seat_interface, 1);
@ -216,7 +257,9 @@ static void handle_global(void *data, struct wl_registry *registry,
calloc(1, sizeof(struct swaybar_output));
output->bar = bar;
output->output = wl_registry_bind(registry, name,
&wl_output_interface, 1);
&wl_output_interface, 3);
wl_output_add_listener(output->output, &output_listener, output);
output->scale = 1;
output->index = index++;
wl_list_init(&output->workspaces);
wl_list_init(&output->hotspots);
@ -262,9 +305,20 @@ void bar_setup(struct swaybar *bar,
wl_registry_add_listener(registry, &registry_listener, bar);
wl_display_roundtrip(bar->display);
assert(bar->compositor && bar->layer_shell && bar->shm);
wl_display_roundtrip(bar->display);
struct swaybar_pointer *pointer = &bar->pointer;
assert(pointer->cursor_theme = wl_cursor_theme_load(NULL, 16, bar->shm));
int max_scale = 1;
struct swaybar_output *output;
wl_list_for_each(output, &bar->outputs, link) {
if (output->scale > max_scale) {
max_scale = output->scale;
}
}
assert(pointer->cursor_theme = wl_cursor_theme_load(
NULL, 16 * (max_scale * 2), bar->shm));
struct wl_cursor *cursor;
assert(cursor = wl_cursor_theme_get_cursor(
pointer->cursor_theme, "left_ptr"));
@ -273,7 +327,6 @@ void bar_setup(struct swaybar *bar,
wl_compositor_create_surface(bar->compositor));
// TODO: we might not necessarily be meant to do all of the outputs
struct swaybar_output *output;
wl_list_for_each(output, &bar->outputs, link) {
struct config_output *coutput;
wl_list_for_each(coutput, &bar->config->outputs, link) {