border: clear buffer on fullscreen views

This patch makes sure to clear the border buffer of fullscreen view so
the border doesn't get drawn behind a fullscreen view, which would be
visible if the view was transparent.
This commit is contained in:
Mikkel Oscar Lyderik 2016-04-27 11:22:29 +02:00
parent 27066c6328
commit ddd5b69b99
3 changed files with 21 additions and 10 deletions

View file

@ -3,11 +3,19 @@
#include <wlc/wlc.h>
#include "container.h"
/**
* Border pixel buffer and corresponding geometry.
*/
struct border {
unsigned char *buffer;
struct wlc_geometry geometry;
};
/**
* Clear border buffer.
*/
void border_clear(struct border *border);
void render_view_borders(wlc_handle view);
void update_view_border(swayc_t *view);
void map_update_view_border(swayc_t *view, void *data);

View file

@ -4,12 +4,11 @@
#include <pango/pangocairo.h>
#include <stdlib.h>
#include <stdio.h>
#include <arpa/inet.h>
#include "container.h"
#include "config.h"
#include "client/pango.h"
#include <arpa/inet.h>
void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
color = htonl(color);
@ -20,6 +19,13 @@ void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
(color >> (3*8) & 0xFF) / 255.0);
}
void border_clear(struct border *border) {
if (border && border->buffer) {
free(border->buffer);
border->buffer = NULL;
}
}
static cairo_t *create_border_buffer(swayc_t *view, struct wlc_geometry g, cairo_surface_t **surface) {
if (view->border == NULL) {
view->border = malloc(sizeof(struct border));
@ -35,16 +41,14 @@ static cairo_t *create_border_buffer(swayc_t *view, struct wlc_geometry g, cairo
*surface = cairo_image_surface_create_for_data(view->border->buffer,
CAIRO_FORMAT_ARGB32, g.size.w, g.size.h, stride);
if (cairo_surface_status(*surface) != CAIRO_STATUS_SUCCESS) {
free(view->border);
view->border->buffer = NULL;
border_clear(view->border);
sway_log(L_DEBUG, "Unable to allocate surface");
return NULL;
}
cr = cairo_create(*surface);
if (cairo_status(cr) != CAIRO_STATUS_SUCCESS) {
cairo_surface_destroy(*surface);
free(view->border->buffer);
view->border->buffer = NULL;
border_clear(view->border);
sway_log(L_DEBUG, "Unable to create cairo context");
return NULL;
}
@ -295,10 +299,8 @@ void update_view_border(swayc_t *view) {
cairo_t *cr = NULL;
cairo_surface_t *surface = NULL;
if (view->border && view->border->buffer) {
free(view->border->buffer);
view->border->buffer = NULL;
}
// clear previous border buffer.
border_clear(view->border);
// get focused and focused_inactive views
swayc_t *focused = get_focused_view(&root_container);

View file

@ -555,6 +555,7 @@ void update_geometry(swayc_t *container) {
container->border_geometry = wlc_geometry_zero;
container->title_bar_geometry = wlc_geometry_zero;
border_clear(container->border);
} else if (container->is_floating) { // allocate border for floating window
update_border_geometry_floating(container, &geometry);
} else if (!container->is_floating) { // allocate border for titled window