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Quick and dirty hack to set window opacity

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This commit is contained in:
QC 2013-01-20 14:20:05 +01:00
parent 25d7ff8689
commit 24068079f2
2 changed files with 18 additions and 2 deletions
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7
simpleswitcher.1
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@ -116,6 +116,13 @@ Set the foreground text color (X11 named color or hex #rrggbb) for the highlight
simpleswitcher -fg "#ffffff" simpleswitcher -fg "#ffffff"
.RE .RE
.TP .TP
.B -o
Set the window opacity (0-100).
.P
.RS
simpleswitcher -o "75"
.RE
.TP
.B -lines .B -lines
Maximum number of entries the menu may show before scrolling (default: 25). Maximum number of entries the menu may show before scrolling (default: 25).
.P .P

11
simpleswitcher.c
View file

@ -53,6 +53,8 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define OVERLAP(a,b,c,d) (((a)==(c) && (b)==(d)) || MIN((a)+(b), (c)+(d)) - MAX((a), (c)) > 0) #define OVERLAP(a,b,c,d) (((a)==(c) && (b)==(d)) || MIN((a)+(b), (c)+(d)) - MAX((a), (c)) > 0)
#define INTERSECT(x,y,w,h,x1,y1,w1,h1) (OVERLAP((x),(w),(x1),(w1)) && OVERLAP((y),(h),(y1),(h1))) #define INTERSECT(x,y,w,h,x1,y1,w1,h1) (OVERLAP((x),(w),(x1),(w1)) && OVERLAP((y),(h),(y1),(h1)))
#define OPAQUE 0xffffffff
#define OPACITY "_NET_WM_WINDOW_OPACITY"
typedef unsigned char bool; typedef unsigned char bool;
typedef unsigned long long bitmap; typedef unsigned long long bitmap;
@ -295,7 +297,7 @@ typedef struct {
#define MENUBC "black" #define MENUBC "black"
char *config_menu_font, *config_menu_fg, *config_menu_bg, *config_menu_hlfg, *config_menu_hlbg, *config_menu_bgalt, *config_menu_bc; char *config_menu_font, *config_menu_fg, *config_menu_bg, *config_menu_hlfg, *config_menu_hlbg, *config_menu_bgalt, *config_menu_bc;
unsigned int config_menu_width, config_menu_lines, config_focus_mode, config_raise_mode, config_window_placement, config_menu_bw; unsigned int config_menu_width, config_menu_lines, config_focus_mode, config_raise_mode, config_window_placement, config_menu_bw, config_window_opacity;
// allocate a pixel value for an X named color // allocate a pixel value for an X named color
unsigned int color_get(const char *name) unsigned int color_get(const char *name)
@ -592,6 +594,12 @@ int menu(char **lines, char **input, char *prompt, int selected, Time *time)
// Set the WM_NAME // Set the WM_NAME
XStoreName(display, box, "simpleswitcher"); XStoreName(display, box, "simpleswitcher");
// Hack to set window opacity.
unsigned int opacity_set = (unsigned int)((config_window_opacity/100.0)* OPAQUE);
XChangeProperty(display, box, XInternAtom(display, OPACITY, False),
XA_CARDINAL, 32, PropModeReplace,
(unsigned char *) &opacity_set, 1L);
} }
// search text input // search text input
@ -963,6 +971,7 @@ int main(int argc, char *argv[])
config_menu_hlbg = find_arg_str(ac, av, "-hlbg", MENUHLBG); config_menu_hlbg = find_arg_str(ac, av, "-hlbg", MENUHLBG);
config_menu_bc = find_arg_str(ac, av, "-bc", MENUBC); config_menu_bc = find_arg_str(ac, av, "-bc", MENUBC);
config_menu_bw = find_arg_int(ac, av, "-bw", 1); config_menu_bw = find_arg_int(ac, av, "-bw", 1);
config_window_opacity = find_arg_int(ac, av, "-o", 100);
// flags to run immediately and exit // flags to run immediately and exit
if (find_arg(ac, av, "-now") >= 0) if (find_arg(ac, av, "-now") >= 0)