add a special fallback for toolbar button style

ChangeLog

@@ -1,5 +1,8 @@
 (Format: Year/Month/Day)
 Changes for 0.9.10:
+*04/08/27:
+  * Improve fallback if toolbar button style item missing (Simon)
+    ButtonTheme.hh/cc ToolFactory.cc
 *04/08/26:
   * Tiny unification (Mathias)
     - theme.cfg and style.cfg allowed

src/ButtonTheme.cc

@@ -4,12 +4,16 @@
 //!! TODO: still missing *.pressed.picColor
 ButtonTheme::ButtonTheme(int screen_num, 
                          const std::string &name, 
-                         const std::string &alt_name):
+                         const std::string &alt_name,
+                         const std::string &extra_fallback,
+                         const std::string &extra_fallback_alt):
     ToolTheme(screen_num, name, alt_name),
     m_pic_color(*this, name + ".picColor", alt_name + ".PicColor"),
     m_pressed_texture(*this, name + ".pressed", alt_name + ".Pressed"),
     m_gc(RootWindow(FbTk::App::instance()->display(), screen_num)),
-    m_scale(*this, name + ".scale", alt_name + ".Scale") {
+    m_scale(*this, name + ".scale", alt_name + ".Scale"),
+    m_name(name),
+    m_fallbackname(extra_fallback), m_altfallbackname(extra_fallback_alt) {
 
 }
 
@@ -24,9 +28,31 @@ bool ButtonTheme::fallback(FbTk::ThemeItem_base &item) {
         return FbTk::ThemeManager::instance().loadItem(item, "borderColor", "BorderColor");
     }
 */
-    if (item.name().find(".pressed") != std::string::npos) {
+    if (item.name() == name()) {
+        // default to the toolbar label style
+        return FbTk::ThemeManager::instance().loadItem(item, 
+                                                       m_fallbackname,
+                                                       m_altfallbackname);
+
+    } else if (item.name().find(".picColor") != std::string::npos) {
+        // if we've fallen back to alternate name, and it doesn't have a picColor, 
+        // try its text color instead
+        return FbTk::ThemeManager::instance().loadItem(item, 
+                                                       m_fallbackname + ".picColor",
+                                                       m_altfallbackname + ".picColor") ||
+            FbTk::ThemeManager::instance().loadItem(item, 
+                                                    m_fallbackname + ".textColor",
+                                                    m_altfallbackname + ".TextColor");
+    } else if (item.name().find(".pressed") != std::string::npos) {
         // copy texture
         *m_pressed_texture = texture();
+        // invert the bevel if it has one!
+        unsigned long type = m_pressed_texture->type();
+        unsigned long bevels = (FbTk::Texture::SUNKEN | FbTk::Texture::RAISED);
+        if ((type & bevels) != 0) {
+            type ^= bevels;
+            m_pressed_texture->setType(type);
+        }
         return true;
     }
 

src/ButtonTheme.hh

@@ -8,7 +8,9 @@
 class ButtonTheme: public ToolTheme {
 public:
     ButtonTheme(int screen_num, 
-                const std::string &name, const std::string &alt_name);
+                const std::string &name, const std::string &alt_name, 
+                const std::string &extra_fallback,
+                const std::string &extra_fallback_alt);
     virtual ~ButtonTheme() { }
 
     bool fallback(FbTk::ThemeItem_base &item);
@@ -17,11 +19,16 @@ public:
     inline const FbTk::Texture &pressed() const { return *m_pressed_texture; }
     inline GC gc() const { return m_gc.gc(); }
     inline int scale() const { return *m_scale; } // scale factor for inside objects
+    inline const std::string &name() { return m_name; }
+
 private:
     FbTk::ThemeItem<FbTk::Color> m_pic_color;
     FbTk::ThemeItem<FbTk::Texture> m_pressed_texture;    
     FbTk::GContext m_gc;
     FbTk::ThemeItem<int> m_scale;
+    const std::string m_name;
+    const std::string m_fallbackname;
+    const std::string m_altfallbackname;
 };
 
 #endif // BUTTONTHEME_HH

src/ToolFactory.cc

@@ -19,7 +19,7 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-// $Id: ToolFactory.cc,v 1.5 2004/08/25 17:16:40 rathnor Exp $
+// $Id: ToolFactory.cc,v 1.6 2004/08/27 14:14:42 rathnor Exp $
 
 #include "ToolFactory.hh"
 
@@ -75,7 +75,8 @@ private:
 
 ToolFactory::ToolFactory(BScreen &screen):m_screen(screen),
     m_clock_theme(screen.screenNumber(), "toolbar.clock", "Toolbar.Clock"),
-    m_button_theme(new ButtonTheme(screen.screenNumber(), "toolbar.button", "Toolbar.Button")),
+    m_button_theme(new ButtonTheme(screen.screenNumber(), "toolbar.button", "Toolbar.Button", 
+                                   "toolbar.workspace", "Toolbar.Workspace")),
     m_workspace_theme(new WorkspaceNameTheme(screen.screenNumber(), "toolbar.workspace", "Toolbar.Workspace")),
     m_iconbar_theme(screen.screenNumber(), "toolbar.iconbar", "Toolbar.Iconbar") {