add rough support for non-default depth pixmaps. Saves us having ghost

holes in windows

ChangeLog

@@ -1,6 +1,10 @@
 (Format: Year/Month/Day)
 Changes for 0.9.13
 *05/04/27:
+  * Add some extremely basic handling for icon pixmaps that aren't
+    the same depth as the screen (treat all as 1-bit, easy to handle)
+    (Simon)
+    FbTk/FbPixmap.hh/cc FbTk/ImageImlib2.cc IconButton.cc
   * Fix a bunch more issues with recent patches (Simon)
     - Clock text colour on start
     - Resizing not updating in some cases

src/FbTk/FbPixmap.cc

@@ -139,7 +139,8 @@ void FbPixmap::copy(const FbPixmap &the_copy) {
     }
 }
 
-void FbPixmap::copy(Pixmap pm) {
+// screen doesn't count if depth is "zero"...
+void FbPixmap::copy(Pixmap pm, int depth, int screen_num) {
     free();
     if (pm == 0)
         return;
@@ -157,15 +158,28 @@ void FbPixmap::copy(Pixmap pm) {
                  &new_width, &new_height,
                  &border_width,
                  &bpp);
+
+    if (depth == 0)
+        depth = bpp;
+
     // create new pixmap and copy area
-    create(root, new_width, new_height, bpp);
+    create(root, new_width, new_height, depth);
 
     GC gc = XCreateGC(display(), drawable(), 0, 0);
 
-    XCopyArea(display(), pm, drawable(), gc,
-              0, 0,
-              width(), height(),
-              0, 0);
+    if (depth == bpp) {
+        XCopyArea(display(), pm, drawable(), gc,
+                  0, 0,
+                  width(), height(),
+                  0, 0);
+    } else {
+        XSetForeground(display(), gc, Color("black", screen_num).pixel());
+        XSetBackground(display(), gc, Color("white", screen_num).pixel());
+        XCopyPlane(display(), pm, drawable(), gc,
+                   0, 0,
+                   width(), height(),
+                   0, 0, 1);
+    }
 
     XFreeGC(display(), gc);
 }
@@ -254,7 +268,7 @@ void FbPixmap::tile(unsigned int dest_width, unsigned int dest_height) {
 
     FbPixmap new_pm(drawable(), width(), height(), depth());
 
-    new_pm.copy(m_pm);
+    new_pm.copy(m_pm, 0, 0);
 
     resize(dest_width, dest_height);
 

src/FbTk/FbPixmap.hh

@@ -48,7 +48,7 @@ public:
     virtual ~FbPixmap();
 
     void copy(const FbPixmap &the_copy);
-    void copy(Pixmap pixmap);
+    void copy(Pixmap pixmap, int depth_convert, int screen_num);
     /// rotates the pixmap 90 deg, not implemented!
     void rotate();
     /// scales the pixmap to specified size

src/FbTk/ImageImlib2.cc

@@ -147,8 +147,8 @@ PixmapWithMask *ImageImlib2::load(const std::string &filename, int screen_num) c
         // pm and mask belong to imlib2, 
         // so we have to copy them
         PixmapWithMask* result = new PixmapWithMask();
-        result->pixmap().copy(pm);
-        result->mask().copy(mask);
+        result->pixmap().copy(pm, 0, 0);
+        result->mask().copy(mask, 0, 0);
 
         // mark pm and mask as freeable in imlib
         imlib_free_image_and_decache();

src/IconButton.cc

@@ -226,10 +226,14 @@ void IconButton::update(FbTk::Subject *subj) {
     if (m_win.clientList().empty())
         return;
 
-    XWMHints *hints = XGetWMHints(FbTk::App::instance()->display(), m_win.winClient().window());
+    Display *display = FbTk::App::instance()->display();
+
+    XWMHints *hints = XGetWMHints(display, m_win.winClient().window());
     if (hints == 0)
         return;
 
+    int screen = m_win.screen().screenNumber();
+
     if (m_use_pixmap && (hints->flags & IconPixmapHint) && hints->icon_pixmap != 0) {
         // setup icon window
         m_icon_window.show();
@@ -237,7 +241,7 @@ void IconButton::update(FbTk::Subject *subj) {
         int new_width = new_height;
         m_icon_window.resize((new_width>0) ? new_width : 1, (new_height>0) ? new_height : 1);
 
-        m_icon_pixmap.copy(hints->icon_pixmap);
+        m_icon_pixmap.copy(hints->icon_pixmap, DefaultDepth(display, screen), screen);
         m_icon_pixmap.scale(m_icon_window.width(), m_icon_window.height());
 
         m_icon_window.setBackgroundPixmap(m_icon_pixmap.drawable());
@@ -249,7 +253,7 @@ void IconButton::update(FbTk::Subject *subj) {
     }
 
     if(m_use_pixmap && (hints->flags & IconMaskHint)) {
-        m_icon_mask.copy(hints->icon_mask);
+        m_icon_mask.copy(hints->icon_mask, 0, 0);
         m_icon_mask.scale(m_icon_pixmap.width(), m_icon_pixmap.height());
     } else
         m_icon_mask = 0;
@@ -260,7 +264,7 @@ void IconButton::update(FbTk::Subject *subj) {
 #ifdef SHAPE
 
     if (m_icon_mask.drawable() != 0) {
-        XShapeCombineMask(FbTk::App::instance()->display(),
+        XShapeCombineMask(display,
                           m_icon_window.drawable(),
                           ShapeBounding,
                           0, 0,