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Add option to set background for rofi window

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This commit is contained in:
Dave Davenport 2016-05-08 11:14:34 +02:00
parent 8f6c9ee070
commit b8ecbdcef5
3 changed files with 36 additions and 11 deletions
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3
doc/rofi-manpage.markdown
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@ -591,7 +591,8 @@ Enable fake transparency. This only works with transparent background color in t
`-fake-background`
Select what to use as background for fake transparency. This can be 'background' or 'screenshot'
Select what to use as background for fake transparency. This can be 'background', 'screenshot' or a path to an image
file (currently only supports png).
### Debug

2
doc/rofi.1
View file

@ -936,7 +936,7 @@ Enable fake transparency\. This only works with transparent background color in
\fB\-fake\-background\fR
.
.P
Select what to use as background for fake transparency\. This can be \'background\' or \'screenshot\'
Select what to use as background for fake transparency\. This can be \'background\', \'screenshot\' or a path to an image file (currently only supports png)\.
.
.SS "Debug"
\fB\-no\-config\fR

24
source/view.c
View file

@ -76,6 +76,7 @@ struct
xcb_window_t main_window;
cairo_surface_t *surface;
cairo_surface_t *fake_bg;
int fake_bgrel;
cairo_t *draw;
MenuFlags flags;
GQueue views;
@ -86,6 +87,7 @@ struct
.main_window = XCB_WINDOW_NONE,
.surface = NULL,
.fake_bg = NULL,
.fake_bgrel = FALSE,
.draw = NULL,
.flags = MENU_NORMAL,
.views = G_QUEUE_INIT,
@ -532,14 +534,31 @@ static void rofi_view_setup_fake_transparency ( void )
else if ( g_strcmp0 ( config.fake_background, "background" ) == 0 ) {
s = x11_helper_get_bg_surface ();
}
else {
char *fpath = rofi_expand_path ( config.fake_background );
s = cairo_image_surface_create_from_png ( fpath );
CacheState.fake_bgrel = TRUE;
g_free ( fpath );
}
if ( s != NULL ) {
if ( cairo_surface_status ( s ) != CAIRO_STATUS_SUCCESS ) {
cairo_surface_destroy ( s );
s = NULL;
}
else {
CacheState.fake_bg = cairo_image_surface_create ( CAIRO_FORMAT_ARGB32, CacheState.mon.w, CacheState.mon.h );
cairo_t *dr = cairo_create ( CacheState.fake_bg );
if ( CacheState.fake_bgrel ) {
cairo_set_source_surface ( dr, s, 0, 0 );
}
else {
cairo_set_source_surface ( dr, s, -CacheState.mon.x, -CacheState.mon.y );
}
cairo_paint ( dr );
cairo_destroy ( dr );
cairo_surface_destroy ( s );
}
}
TICK_N ( "Fake transparency" );
}
}
@ -954,9 +973,14 @@ void rofi_view_update ( RofiViewState *state )
cairo_set_operator ( d, CAIRO_OPERATOR_SOURCE );
if ( config.fake_transparency ) {
if ( CacheState.fake_bg != NULL ) {
if ( CacheState.fake_bgrel ) {
cairo_set_source_surface ( d, CacheState.fake_bg, 0.0, 0.0 );
}
else {
cairo_set_source_surface ( d, CacheState.fake_bg,
-(double) ( CacheState.x - CacheState.mon.x ),
-(double) ( CacheState.y - CacheState.mon.y ) );
}
cairo_paint ( d );
cairo_set_operator ( d, CAIRO_OPERATOR_OVER );
color_background ( d );