let FbWinFrame handle decorations in fullscreen state

src/FbWinFrame.cc

@@ -489,6 +489,14 @@ void FbWinFrame::setFocus(bool newvalue) {
     clearAll();
 }
 
+void FbWinFrame::setFullscreen(bool newvalue) {
+    if (newvalue == m_state.fullscreen)
+        return;
+
+    m_state.fullscreen = newvalue;
+    applyDecorations();
+}
+
 void FbWinFrame::setAlpha(bool focused, unsigned char alpha) {
     if (focused)
         m_focused_alpha = alpha;
@@ -842,7 +850,7 @@ void FbWinFrame::reconfigure() {
     m_bevel = theme()->bevelWidth();
     setBorderWidth();
 
-    if (m_state.deco_mask & DECORM_HANDLE && theme()->handleWidth() != 0)
+    if (useHandle() && theme()->handleWidth() != 0)
         showHandle();
     else
         hideHandle();
@@ -1427,6 +1435,22 @@ int FbWinFrame::getDecoMaskFromString(const string &str_label) {
     return mask;
 }
 
+bool FbWinFrame::useBorder() const {
+    return !m_state.fullscreen && m_state.deco_mask & DECORM_BORDER;
+}
+
+bool FbWinFrame::useTabs() const {
+    return !m_state.fullscreen && m_state.deco_mask & DECORM_TAB;
+}
+
+bool FbWinFrame::useTitlebar() const {
+    return !m_state.fullscreen && m_state.deco_mask & DECORM_TITLEBAR;
+}
+
+bool FbWinFrame::useHandle() const {
+    return !m_state.fullscreen && m_state.deco_mask & DECORM_HANDLE;
+}
+
 void FbWinFrame::applyDecorations() {
     int grav_x=0, grav_y=0;
     // negate gravity
@@ -1438,13 +1462,13 @@ void FbWinFrame::applyDecorations() {
     // tab deocration only affects if we're external
     // must do before the setTabMode in case it goes
     // to external and is meant to be hidden
-    if (m_state.deco_mask & DECORM_TAB)
+    if (useTabs())
         client_move |= showTabs();
     else
         client_move |= hideTabs();
 
     // we rely on frame not doing anything if it is already shown/hidden
-    if (m_state.deco_mask & DECORM_TITLEBAR) {
+    if (useTitlebar()) {
         client_move |= showTitlebar();
         if (m_screen.getDefaultInternalTabs())
             client_move |= setTabMode(INTERNAL);
@@ -1452,11 +1476,11 @@ void FbWinFrame::applyDecorations() {
             client_move |= setTabMode(EXTERNAL);
     } else {
         client_move |= hideTitlebar();
-        if (m_state.deco_mask & DECORM_TAB)
+        if (useTabs())
             client_move |= setTabMode(EXTERNAL);
     }
 
-    if (m_state.deco_mask & DECORM_HANDLE)
+    if (useHandle())
         client_move |= showHandle();
     else
         client_move |= hideHandle();
@@ -1478,7 +1502,7 @@ void FbWinFrame::applyDecorations() {
 
 bool FbWinFrame::setBorderWidth(bool do_move) {
     unsigned int border_width = theme()->border().width();
-    unsigned int win_bw = m_state.deco_mask & DECORM_BORDER ? border_width : 0;
+    unsigned int win_bw = useBorder() ? border_width : 0;
 
     if (border_width &&
         theme()->border().color().pixel() != window().borderColor()) {

src/FbWinFrame.hh

@@ -175,7 +175,7 @@ public:
 
     /// set focus/unfocus style
     void setFocus(bool newvalue);
-    void setFullscreen(bool value) { m_state.fullscreen = value; }
+    void setFullscreen(bool value);
     void setMaximized(int value) { m_state.maximized = value; }
 
     void setFocusTitle(const std::string &str) { m_label.setText(str); }
@@ -232,6 +232,12 @@ public:
     void setDecorationMask(unsigned int mask) { m_state.deco_mask = mask; }
     void applyDecorations();
 
+    /// determine if the given decoration should be shown in current state
+    bool useBorder() const;
+    bool useTabs() const;
+    bool useTitlebar() const;
+    bool useHandle() const;
+
     // this function translates its arguments according to win_gravity
     // if win_gravity is negative, it does an inverse translation
     void gravityTranslate(int &x, int &y, int win_gravity, unsigned int client_bw, bool move_frame = false);

src/Window.cc

@@ -1494,9 +1494,6 @@ void FluxboxWindow::setFullscreen(bool flag) {
 
         frame().setUseShape(false);
 
-        if (!m_toggled_decos)
-            m_old_decoration_mask = decorationMask();
-
         m_old_layernum = layerNum();
         if (!maximized) {
             m_old_pos_x = frame().x();
@@ -1505,8 +1502,8 @@ void FluxboxWindow::setFullscreen(bool flag) {
             m_old_height = frame().height();
         }
 
-        // clear decorations
-        setDecorationMask(0);
+        fullscreen = true;
+        frame().setFullscreen(true);
 
         // dont call Window::moveResize here, it might ignore the 
         // resize if win state is not resizable; 
@@ -1518,9 +1515,6 @@ void FluxboxWindow::setFullscreen(bool flag) {
                            screen().getHeadWidth(head), screen().getHeadHeight(head));
         sendConfigureNotify();
 
-        fullscreen = true;
-        frame().setFullscreen(true);
-
         setFullscreenLayer();
         if (!isFocused())
             screen().focusedWindowSig().attach(this);
@@ -1531,13 +1525,6 @@ void FluxboxWindow::setFullscreen(bool flag) {
         frame().setFullscreen(false);
 
         frame().setUseShape(true);
-        if (m_toggled_decos) {
-            if (m_old_decoration_mask & (FbWinFrame::DECORM_TITLEBAR | FbWinFrame::DECORM_TAB))
-                setDecorationMask(FbWinFrame::DECOR_NONE);
-            else
-                setDecorationMask(FbWinFrame::DECOR_NORMAL);
-        } else
-            setDecorationMask(m_old_decoration_mask);
 
         // ensure we apply the sizehints here, otherwise some
         // apps (eg xterm) end up a little bit .. crappy (visually)