allow configuring the color of the mouse cursor

3 files changed, 23 insertions, 2 deletions

diff --git a/src/config.c b/src/config.c
index 6bcf824..7353ce7 100644
--- a/src/config.c
+++ b/src/config.c
@@ -30,6 +30,8 @@ static void runes_config_set_defaults(RunesTerm *t)
     t->bold_is_bold   = 1;
     t->audible_bell   = 1;
 
+    t->mousecursorcolor = cairo_pattern_create_rgb(1.0, 1.0, 1.0);
+
     t->fgdefault = cairo_pattern_create_rgb(0.827, 0.827, 0.827);
     t->bgdefault = cairo_pattern_create_rgb(0.0,   0.0,   0.0);
 
@@ -195,6 +197,14 @@ static void runes_config_set(RunesTerm *t, char *key, char *val)
             t->fgdefault = newcolor;
         }
     }
+    else if (!strcmp(key, "mousecursorcolor")) {
+        cairo_pattern_t *newcolor;
+        newcolor = runes_config_parse_color(val);
+        if (newcolor) {
+            cairo_pattern_destroy(t->mousecursorcolor);
+            t->mousecursorcolor = newcolor;
+        }
+    }
     else if (!strncmp(key, "color", 5)
              && strlen(key) == 6 && key[5] >= '0' && key[5] <= '7') {
         cairo_pattern_t *newcolor;
diff --git a/src/term.h b/src/term.h
index 8f9d6a4..c083eb2 100644
--- a/src/term.h
+++ b/src/term.h
@@ -10,6 +10,7 @@ struct runes_term {
     cairo_t *alternate_cr;
     uv_loop_t *loop;
 
+    cairo_pattern_t *mousecursorcolor;
     cairo_pattern_t *cursorcolor;
 
     cairo_pattern_t *fgdefault;
diff --git a/src/window-xlib.c b/src/window-xlib.c
index 0051fae..b747915 100644
--- a/src/window-xlib.c
+++ b/src/window-xlib.c
@@ -97,6 +97,7 @@ void runes_window_backend_create_window(RunesTerm *t, int argc, char *argv[])
     unsigned long white;
     XIM im;
     Cursor cursor;
+    double mouse_r, mouse_g, mouse_b;
     XColor cursor_fg, cursor_bg;
     Visual *vis;
     cairo_surface_t *surface;
@@ -153,8 +154,17 @@ void runes_window_backend_create_window(RunesTerm *t, int argc, char *argv[])
     runes_window_backend_set_window_title(t, "runes", 5);
 
     cursor = XCreateFontCursor(w->dpy, XC_xterm);
-    cursor_fg.red = cursor_fg.green = cursor_fg.blue = 65535;
-    cursor_bg.red = cursor_bg.green = cursor_bg.blue = 0;
+    cairo_pattern_get_rgba(
+        t->mousecursorcolor, &mouse_r, &mouse_g, &mouse_b, NULL);
+    cursor_fg.red   = (unsigned short)(mouse_r * 65535);
+    cursor_fg.green = (unsigned short)(mouse_g * 65535);
+    cursor_fg.blue  = (unsigned short)(mouse_b * 65535);
+    if ((mouse_r + mouse_g + mouse_b) / 3.0 > 0.5) {
+        cursor_bg.red = cursor_bg.green = cursor_bg.blue = 0;
+    }
+    else {
+        cursor_bg.red = cursor_bg.green = cursor_bg.blue = 65535;
+    }
     XRecolorCursor(w->dpy, cursor, &cursor_fg, &cursor_bg);
     XDefineCursor(w->dpy, w->w, cursor);