Add program name to the window switcher

Author Mitja Felicijan <mitja.felicijan@gmail.com> 2026-01-26 10:14:22 +0100
Committer Mitja Felicijan <mitja.felicijan@gmail.com> 2026-01-26 10:14:22 +0100
Commit 62591d967905d01333397722f8f18111f80047f3 (patch)
-rw-r--r-- manager.c 1
-rw-r--r-- switcher.c 62
2 files changed, 40 insertions, 23 deletions
diff --git a/manager.c b/manager.c
...
421 
	deinit_audio();
 421 
	deinit_audio();
422 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_color);
 422 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_color);
423 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_bg_color);
 423 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_bg_color);
 
  
 424 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_root_bg_color);
424 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_mic_active_bg);
 425 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_mic_active_bg);
425 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_mic_muted_bg);
 426 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_mic_muted_bg);
426 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_mic_active_fg);
 427 
	XftColorFree(wm.dpy, DefaultVisual(wm.dpy, wm.screen), wm.cmap, &wm.xft_mic_active_fg);
...
diff --git a/switcher.c b/switcher.c
...
3 
  
 3 
  
4 
#include <X11/Xatom.h>
 4 
#include <X11/Xatom.h>
5 
#include <X11/Xproto.h>
 5 
#include <X11/Xproto.h>
 
  
 6 
#include <X11/Xutil.h>
6 
  
 7 
  
7 
#include "glitch.h"
 8 
#include "glitch.h"
8 
#include "config.h"
 
  
9 
  
 9 
  
10 
extern WindowManager wm;
 10 
extern WindowManager wm;
11 
  
 11 
  
...
27 
  
 27 
  
28 
		// Draw box background
 28 
		// Draw box background
29 
		if (is_selected) {
 29 
		if (is_selected) {
30 
			// Use blue color for active background (wm.xft_bg_color is usually blue from config)
 
  
31 
			XSetForeground(wm.dpy, DefaultGC(wm.dpy, wm.screen), wm.xft_bg_color.pixel);
 30 
			XSetForeground(wm.dpy, DefaultGC(wm.dpy, wm.screen), wm.xft_bg_color.pixel);
32 
			XFillRectangle(wm.dpy, wm.cycle_win, DefaultGC(wm.dpy, wm.screen), x_offset, y_offset, box_size, box_size);
 31 
			XFillRectangle(wm.dpy, wm.cycle_win, DefaultGC(wm.dpy, wm.screen), x_offset, y_offset, box_size, box_size);
33 
		} else {
 32 
		} else {
...
35 
			XFillRectangle(wm.dpy, wm.cycle_win, DefaultGC(wm.dpy, wm.screen), x_offset, y_offset, box_size, box_size);
 34 
			XFillRectangle(wm.dpy, wm.cycle_win, DefaultGC(wm.dpy, wm.screen), x_offset, y_offset, box_size, box_size);
36 
		}
 35 
		}
37 
  
 36 
  
38 
		// Draw Window Name
 37 
		// Get Program Name
39 
		char *name = NULL;
 38 
		char *prog_name = NULL;
40 
		Atom utf8_string = XInternAtom(wm.dpy, "UTF8_STRING", False);
 39 
		XClassHint ch;
41 
		if (XFetchName(wm.dpy, w, &name) || XGetWindowProperty(wm.dpy, w, XInternAtom(wm.dpy, "_NET_WM_NAME", False), 0, (~0L), False, utf8_string, &(Atom){0}, &(int){0}, &(unsigned long){0}, &(unsigned long){0}, (unsigned char **)&name) == Success) {
 40 
		if (XGetClassHint(wm.dpy, w, &ch)) {
42 
			if (name) {
 41 
			prog_name = ch.res_class;
43 
				// Selected: White text. Unselected: Black text.
 42 
			if (prog_name) {
44 
				XftColor *color = is_selected ? &wm.xft_color : &wm.xft_root_bg_color;
 43 
				char *dash = strchr(prog_name, '-');
45 
				// NOTE: wm.xft_color is "white" (indicator_fg_color), wm.xft_root_bg_color is "black".
 44 
				if (dash) *dash = '\0';
 
  
 45 
			}
 
  
 46 
			if (ch.res_name) XFree(ch.res_name);
 
  
 47 
		}
46 
  
 48 
  
47 
				XftDraw *draw = XftDrawCreate(wm.dpy, wm.cycle_win, DefaultVisual(wm.dpy, wm.screen), wm.cmap);
 49 
		// Get Window Title
48 
				if (draw) {
 50 
		char *win_title = NULL;
49 
					if (strlen(name) > 8) {
 51 
		if (!XFetchName(wm.dpy, w, &win_title)) {
50 
						char truncated[9];
 52 
			Atom utf8_string = XInternAtom(wm.dpy, "UTF8_STRING", False);
51 
						strncpy(truncated, name, 8);
 53 
			XGetWindowProperty(wm.dpy, w, XInternAtom(wm.dpy, "_NET_WM_NAME", False), 0, (~0L), False, utf8_string, &(Atom){0}, &(int){0}, &(unsigned long){0}, &(unsigned long){0}, (unsigned char **)&win_title);
52 
						truncated[8] = '\0';
 54 
		}
53 
						XftDrawStringUtf8(draw, color, wm.font, x_offset + 10, y_offset + 90, (const FcChar8 *)truncated, strlen(truncated));
 55 
  
54 
					} else {
 56 
		XftDraw *draw = XftDrawCreate(wm.dpy, wm.cycle_win, DefaultVisual(wm.dpy, wm.screen), wm.cmap);
55 
						XftDrawStringUtf8(draw, color, wm.font, x_offset + 10, y_offset + 90, (const FcChar8 *)name, strlen(name));
 57 
		if (draw) {
56 
					}
 58 
			XftColor *color = is_selected ? &wm.xft_color : &wm.xft_root_bg_color;
57 
					XftDrawDestroy(draw);
 59 
  
58 
				}
 60 
			if (prog_name) {
59 
				XFree(name);
 61 
				char truncated[9];
 
  
 62 
				strncpy(truncated, prog_name, 8);
 
  
 63 
				truncated[8] = '\0';
 
  
 64 
				XftDrawStringUtf8(draw, color, wm.font, x_offset + 10, y_offset + 70, (const FcChar8 *)truncated, strlen(truncated));
 
  
 65 
			}
 
  
 66 
  
 
  
 67 
			if (win_title) {
 
  
 68 
				char truncated[9];
 
  
 69 
				strncpy(truncated, win_title, 8);
 
  
 70 
				truncated[8] = '\0';
 
  
 71 
				XftDrawStringUtf8(draw, color, wm.font, x_offset + 10, y_offset + 90, (const FcChar8 *)truncated, strlen(truncated));
60 
			}
 72 
			}
 
  
 73 
			XftDrawDestroy(draw);
61 
		}
 74 
		}
 
  
 75 
  
 
  
 76 
		if (prog_name) XFree(prog_name);
 
  
 77 
		if (win_title) XFree(win_title);
62 
  
 78 
  
63 
		x_offset += box_size;
 79 
		x_offset += box_size;
64 
	}
 80 
	}
...