Implement some more on borders

Note that this segfaults ALL THE TIME in wlc code. Paging @Cloudef for
help, I'm at a loss.
This commit is contained in:
Drew DeVault 2016-03-13 21:10:46 -04:00 committed by Mikkel Oscar Lyderik
parent a8e084433d
commit b903f7f655
6 changed files with 110 additions and 25 deletions

View file

@ -36,6 +36,12 @@ enum swayc_layouts {
L_LAYOUTS,
};
enum swayc_border_types {
B_NONE, /**< No border */
B_PIXEL, /**< 1px border */
B_NORMAL /**< Normal border with title bar */
};
/**
* Stores information about a container.
*
@ -109,6 +115,15 @@ struct sway_container {
* If this container's children include a fullscreen view, this is that view.
*/
struct sway_container *fullscreen;
/**
* If this container is a view, this may be set to the window's decoration
* buffer (or NULL).
*/
unsigned char *border;
enum swayc_border_types border_type;
struct wlc_geometry border_geometry;
struct wlc_geometry presumed_geometry;
int border_thickness;
};
enum visibility_mask {

View file

@ -1,7 +1,9 @@
#ifndef _SWAY_RENDER_H
#define _SWAY_RENDER_H
#include <wlc/wlc.h>
#include "container.h"
void render_view_borders(wlc_handle view);
void update_view_border(swayc_t *view);
#endif

View file

@ -22,8 +22,11 @@ static swayc_t *new_swayc(enum swayc_types type) {
c->gaps = -1;
c->layout = L_NONE;
c->type = type;
c->border_type = B_PIXEL; // TODO: Load default from config
c->border_thickness = 2;
if (type != C_VIEW) {
c->children = create_list();
c->border_type = B_NONE;
}
return c;
}

View file

@ -357,6 +357,7 @@ static void handle_view_geometry_request(wlc_handle handle, const struct wlc_geo
arrange_windows(view->parent, -1, -1);
}
}
update_view_border(view);
}
static void handle_view_state_request(wlc_handle view, enum wlc_view_state_bit state, bool toggle) {

View file

@ -12,6 +12,7 @@
#include "focus.h"
#include "output.h"
#include "ipc-server.h"
#include "render.h"
swayc_t root_container;
list_t *scratchpad;

View file

@ -2,6 +2,8 @@
#include <wlc/wlc-render.h>
#include <cairo/cairo.h>
#include <stdlib.h>
#include <stdio.h>
#include "container.h"
void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
cairo_set_source_rgba(cairo,
@ -11,40 +13,101 @@ void cairo_set_source_u32(cairo_t *cairo, uint32_t color) {
(color >> (0*8) & 0xFF) / 255.0);
}
cairo_t *create_cairo_context(int width, int height, int channels,
cairo_surface_t **surf, unsigned char **buf) {
cairo_t *create_border_buffer(swayc_t *view, struct wlc_geometry geo,
cairo_surface_t **surface) {
const int channels = 4;
cairo_t *cr;
*buf = calloc(channels * width * height, sizeof(unsigned char));
if (!*buf) {
view->border_geometry = geo;
view->border = calloc(channels * geo.size.w * geo.size.h,
sizeof(unsigned char));
if (!view->border) {
sway_log(L_DEBUG, "Unable to allocate buffer");
return NULL;
}
*surf = cairo_image_surface_create_for_data(*buf, CAIRO_FORMAT_ARGB32,
width, height, channels * width);
if (cairo_surface_status(*surf) != CAIRO_STATUS_SUCCESS) {
free(*buf);
*surface = cairo_image_surface_create_for_data(view->border,
CAIRO_FORMAT_ARGB32, geo.size.w, geo.size.h, channels * geo.size.w);
if (cairo_surface_status(*surface) != CAIRO_STATUS_SUCCESS) {
free(view->border);
view->border = NULL;
sway_log(L_DEBUG, "Unable to allocate surface");
return NULL;
}
cr = cairo_create(*surf);
cr = cairo_create(*surface);
if (cairo_status(cr) != CAIRO_STATUS_SUCCESS) {
free(*buf);
cairo_surface_destroy(*surface);
free(view->border);
view->border = NULL;
sway_log(L_DEBUG, "Unable to create cairo context");
return NULL;
}
return cr;
}
void render_view_borders(wlc_handle view) {
const int bw = 2;
unsigned char *surf_data;
cairo_surface_t *surf;
struct wlc_geometry geo = *wlc_view_get_geometry(view);
cairo_t *cr = create_cairo_context(geo.size.w + bw * 2, geo.size.h + bw * 2, 4, &surf, &surf_data);
void update_view_border(swayc_t *view) {
struct wlc_geometry geo;
wlc_view_get_visible_geometry(view->handle, &geo);
cairo_t *cr = NULL;
cairo_surface_t *surface = NULL;
if (view->border) {
free(view->border);
view->border = NULL;
}
switch (view->border_type) {
case B_NONE:
view->border_geometry = geo;
break;
case B_PIXEL:
geo.origin.x -= view->border_thickness;
geo.origin.y -= view->border_thickness;
geo.size.w += view->border_thickness * 2;
geo.size.h += view->border_thickness * 2;
if (geo.size.w <= 0 || geo.size.h <= 0) {
view->border = NULL;
break;
}
cr = create_border_buffer(view, geo, &surface);
if (!cr) {
break;
}
cairo_set_source_u32(cr, 0x0000FFFF);
cairo_paint(cr);
geo.origin.x -= bw;
geo.origin.y -= bw;
geo.size.w += bw * 2;
geo.size.h += bw * 2;
wlc_pixels_write(WLC_RGBA8888, &geo, surf_data);
break;
case B_NORMAL:
// TODO
break;
}
if (surface) {
cairo_surface_flush(surface);
cairo_surface_destroy(surface);
}
if (cr) {
cairo_destroy(cr);
free(surf_data);
sway_log(L_DEBUG, "Created border for %p (%dx%d+%d,%d)", view,
geo.size.w, geo.size.h, geo.origin.x, geo.origin.y);
}
view->border_geometry = geo;
}
void render_view_borders(wlc_handle view) {
swayc_t *c = swayc_by_handle(view);
if (!c || c->border_type == B_NONE) {
return;
}
struct wlc_geometry geo;
wlc_view_get_visible_geometry(view, &geo);
if (geo.size.w != c->presumed_geometry.size.w
|| geo.size.h != c->presumed_geometry.size.h
|| geo.origin.x != c->presumed_geometry.origin.x
|| geo.origin.y != c->presumed_geometry.origin.y) {
update_view_border(c);
c->presumed_geometry = geo;
}
if (c->border) {
geo = c->border_geometry;
sway_log(L_DEBUG, "Rendering border for %p (%dx%d+%d,%d)", c,
geo.size.w, geo.size.h, geo.origin.x, geo.origin.y);
wlc_pixels_write(WLC_RGBA8888, &c->border_geometry, c->border);
}
}