From 5a45d4e7bc1139c1da62d0e5c8af98f5d7664cfe Mon Sep 17 00:00:00 2001
From: Mikael Magnusson <mikachu@comhem.se>
Date: Thu, 6 Mar 2008 02:28:43 +0100
Subject: [PATCH] Don't draw titlebar buttons on top of eachother.

---
 openbox/frame.c | 73 +++++++++++++++++++++++++--------------------------------
 1 file changed, 32 insertions(+), 41 deletions(-)

diff --git a/openbox/frame.c b/openbox/frame.c
index 0b764a4..ca5dbb6 100644
--- a/openbox/frame.c
+++ b/openbox/frame.c
@@ -1137,15 +1137,37 @@ static gboolean is_button_present(ObFrame *self, const gchar *lc, gint dir) {
     return FALSE;
 }
 
+static void place_button(ObFrame *self, const char *lc, gint bwidth,
+                         gint left, gint i,
+                         gint *x, gint *button_on, gint *button_x)
+{
+  if (!(*button_on = is_button_present(self, lc, i)))
+    return;
+
+  self->label_width -= bwidth;
+  if (i > 0)
+    *button_x = *x;
+  *x += i * bwidth;
+  if (i < 0) {
+    if (self->label_x <= left || *x > self->label_x) {
+      *button_x = *x;
+    } else {
+      /* the button would have been drawn on top of another button */
+      *button_on = FALSE;
+      self->label_width += bwidth;
+    }
+  }
+}
+
 static void layout_title(ObFrame *self)
 {
     gchar *lc;
     gint i;
 
     const gint bwidth = ob_rr_theme->button_size + ob_rr_theme->paddingx + 1;
-    /* position of the left most button */
+    /* position of the leftmost button */
     const gint left = ob_rr_theme->paddingx + 1;
-    /* position of the right most button */
+    /* position of the rightmost button */
     const gint right = self->width;
 
     /* turn them all off */
@@ -1184,53 +1206,23 @@ static void layout_title(ObFrame *self)
                 break; /* break the for loop, do other side of label */
             } else if (*lc == 'N') {
                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_ICON;
-                if ((self->icon_on = is_button_present(self, lc, i))) {
-                    /* icon is bigger than buttons */
-                    self->label_width -= bwidth + 2;
-                    if (i > 0) self->icon_x = x;
-                    x += i * (bwidth + 2);
-                    if (i < 0) self->icon_x = x;
-                }
+                /* icon is bigger than buttons */
+                place_button(self, lc, bwidth + 2, left, i, &x, &self->icon_on, &self->icon_x);
             } else if (*lc == 'D') {
                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_ALLDESKTOPS;
-                if ((self->desk_on = is_button_present(self, lc, i))) {
-                    self->label_width -= bwidth;
-                    if (i > 0) self->desk_x = x;
-                    x += i * bwidth;
-                    if (i < 0) self->desk_x = x;
-                }
+                place_button(self, lc, bwidth, left, i, &x, &self->desk_on, &self->desk_x);
             } else if (*lc == 'S') {
                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_SHADE;
-                if ((self->shade_on = is_button_present(self, lc, i))) {
-                    self->label_width -= bwidth;
-                    if (i > 0) self->shade_x = x;
-                    x += i * bwidth;
-                    if (i < 0) self->shade_x = x;
-                }
+                place_button(self, lc, bwidth, left, i, &x, &self->shade_on, &self->shade_x);
             } else if (*lc == 'I') {
                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_ICONIFY;
-                if ((self->iconify_on = is_button_present(self, lc, i))) {
-                    self->label_width -= bwidth;
-                    if (i > 0) self->iconify_x = x;
-                    x += i * bwidth;
-                    if (i < 0) self->iconify_x = x;
-                }
+                place_button(self, lc, bwidth, left, i, &x, &self->iconify_on, &self->iconify_x);
             } else if (*lc == 'M') {
                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_MAXIMIZE;
-                if ((self->max_on = is_button_present(self, lc, i))) {
-                    self->label_width -= bwidth;
-                    if (i > 0) self->max_x = x;
-                    x += i * bwidth;
-                    if (i < 0) self->max_x = x;
-                }
+                place_button(self, lc, bwidth, left, i, &x, &self->max_on, &self->max_x);
             } else if (*lc == 'C') {
                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_CLOSE;
-                if ((self->close_on = is_button_present(self, lc, i))) {
-                    self->label_width -= bwidth;
-                    if (i > 0) self->close_x = x;
-                    x += i * bwidth;
-                    if (i < 0) self->close_x = x;
-                }
+                place_button(self, lc, bwidth, left, i, &x, &self->close_on, &self->close_x);
             } else
                 continue; /* don't set firstcon */
             firstcon = NULL;
@@ -1280,8 +1272,7 @@ static void layout_title(ObFrame *self)
     } else
         XUnmapWindow(ob_display, self->close);
 
-    if (self->label_on) {
-        self->label_width = MAX(1, self->label_width); /* no lower than 1 */
+    if (self->label_on && self->label_width > 0) {
         XMapWindow(ob_display, self->label);
         XMoveWindow(ob_display, self->label, self->label_x,
                     ob_rr_theme->paddingy);
-- 
1.9.1