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swaynag: address some more of sircmpwn's comments

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Fixes segfauls for any case where swaynag->outputs was not inititalized
including -h/--help, -v/--version, and invalid arguments.

Sets sane defaults for colors not given. Any color not given will
fallback to the default color values for type error.

Adds support for a hidpi cursor
This commit is contained in:
Brian Ashworth 2018-07-30 13:52:02 -04:00
parent 0ef3988438
commit 4f5cf330c8
3 changed files with 41 additions and 29 deletions
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57
swaynag/swaynag.c
View file

@ -106,19 +106,31 @@ static struct wl_surface_listener surface_listener = {
.leave = nop,
};
static void update_cursor(struct swaynag *swaynag) {
struct swaynag_pointer *pointer = &swaynag->pointer;
pointer->cursor_theme = wl_cursor_theme_load(NULL, 24 * swaynag->scale,
swaynag->shm);
struct wl_cursor *cursor =
wl_cursor_theme_get_cursor(pointer->cursor_theme, "left_ptr");
pointer->cursor_image = cursor->images[0];
wl_surface_set_buffer_scale(pointer->cursor_surface,
swaynag->scale);
wl_surface_attach(pointer->cursor_surface,
wl_cursor_image_get_buffer(pointer->cursor_image), 0, 0);
wl_pointer_set_cursor(pointer->pointer, pointer->serial,
pointer->cursor_surface,
pointer->cursor_image->hotspot_x / swaynag->scale,
pointer->cursor_image->hotspot_y / swaynag->scale);
wl_surface_commit(pointer->cursor_surface);
}
static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t surface_x, wl_fixed_t surface_y) {
struct swaynag *swaynag = data;
struct swaynag_pointer *pointer = &swaynag->pointer;
wl_surface_set_buffer_scale(pointer->cursor_surface,
swaynag->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 / swaynag->scale,
pointer->cursor_image->hotspot_y / swaynag->scale);
wl_surface_commit(pointer->cursor_surface);
pointer->serial = serial;
update_cursor(swaynag);
}
static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
@ -233,6 +245,7 @@ static void output_scale(void *data, struct wl_output *output,
swaynag_output->scale = factor;
if (swaynag_output->swaynag->output == swaynag_output) {
swaynag_output->swaynag->scale = swaynag_output->scale;
update_cursor(swaynag_output->swaynag);
render_frame(swaynag_output->swaynag);
}
}
@ -345,14 +358,6 @@ void swaynag_setup(struct swaynag *swaynag) {
}
struct swaynag_pointer *pointer = &swaynag->pointer;
int scale = swaynag->output ? swaynag->scale : 1;
pointer->cursor_theme = wl_cursor_theme_load(NULL, 24 * scale,
swaynag->shm);
assert(pointer->cursor_theme);
struct wl_cursor *cursor =
wl_cursor_theme_get_cursor(pointer->cursor_theme, "left_ptr");
assert(cursor);
pointer->cursor_image = cursor->images[0];
pointer->cursor_surface = wl_compositor_create_surface(swaynag->compositor);
assert(pointer->cursor_surface);
@ -410,6 +415,10 @@ void swaynag_destroy(struct swaynag *swaynag) {
wl_surface_destroy(swaynag->surface);
}
if (swaynag->pointer.cursor_theme) {
wl_cursor_theme_destroy(swaynag->pointer.cursor_theme);
}
if (&swaynag->buffers[0]) {
destroy_buffer(&swaynag->buffers[0]);
}
@ -418,13 +427,15 @@ void swaynag_destroy(struct swaynag *swaynag) {
destroy_buffer(&swaynag->buffers[1]);
}
struct swaynag_output *output, *temp;
wl_list_for_each_safe(output, temp, &swaynag->outputs, link) {
wl_output_destroy(output->wl_output);
free(output->name);
wl_list_remove(&output->link);
free(output);
};
if (swaynag->outputs.prev || swaynag->outputs.next) {
struct swaynag_output *output, *temp;
wl_list_for_each_safe(output, temp, &swaynag->outputs, link) {
wl_output_destroy(output->wl_output);
free(output->name);
wl_list_remove(&output->link);
free(output);
};
}
if (swaynag->compositor) {
wl_compositor_destroy(swaynag->compositor);