fix more x errors due to using an invalid background

ChangeLog

@@ -1,9 +1,13 @@
  (Format: Year/Month/Day)
 Changes for 1.0rc2:
 *06/06/24:
+   * Fix some more X-errors (Simon)
+     - window was resized, triggering background re-render, but 
+       background is invalid sometimes (during reconfiguring)
+     Container.hh/cc FbWinFrame.cc FbTk/FbWindow.hh/cc FbTk/TextButton.cc
    * Fix bug #1362463, menu selection pixmaps disappear (Simon)
      - pixmap from image cache was put into FbPixmap, which freed it.
-     FbPixmap.hh/cc MenuTheme.hh Menu.cc
+     FbTk/...  FbPixmap.hh/cc MenuTheme.hh Menu.cc
 *06/06/23:
    * Make startfluxbox aware of --program-prefix and --program-suffix (Mark)
      configure.in util/Makefile.am util/startfluxbox.in

src/Container.cc

@@ -502,6 +502,14 @@ void Container::parentMoved() {
         (*it)->parentMoved();
 }
 
+void Container::invalidateBackground() {
+    FbTk::FbWindow::invalidateBackground();
+    ItemList::iterator it = m_item_list.begin();
+    ItemList::iterator it_end = m_item_list.end();
+    for (; it != it_end; ++it)
+        (*it)->invalidateBackground();
+}
+
 void Container::clear() {
     ItemList::iterator it = m_item_list.begin();
     ItemList::iterator it_end = m_item_list.end();
@@ -514,6 +522,8 @@ void Container::setOrientation(FbTk::Orientation orient) {
     if (m_orientation == orient)
         return;
 
+    FbTk::FbWindow::invalidateBackground();
+
     ItemList::iterator it = m_item_list.begin();
     ItemList::iterator it_end = m_item_list.end();
     for (; it != it_end; ++it)

src/Container.hh

@@ -84,6 +84,7 @@ public:
     bool tryButtonReleaseEvent(XButtonEvent &event);
 
     void parentMoved();
+    void invalidateBackground();
 
     /// accessors
     inline Alignment alignment() const { return m_align; }

src/FbTk/FbWindow.cc

@@ -153,6 +153,11 @@ void FbWindow::setBackgroundPixmap(Pixmap bg_pixmap) {
     updateBackground(false);
 }
 
+void FbWindow::invalidateBackground() {
+    m_lastbg_pm = None;
+    m_lastbg_color_set = false;
+}
+
 void FbWindow::updateBackground(bool only_if_alpha) {
     Pixmap newbg = m_lastbg_pm;
     unsigned char alpha = 255;

src/FbTk/FbWindow.hh

@@ -74,6 +74,8 @@ public:
     virtual ~FbWindow();
     virtual void setBackgroundColor(const FbTk::Color &bg_color);
     virtual void setBackgroundPixmap(Pixmap bg_pixmap);
+    // call when background is freed, and new one not ready yet
+    virtual void invalidateBackground();
     virtual void setBorderColor(const FbTk::Color &border_color);
     virtual void setBorderWidth(unsigned int size);
     /// set window name ("title")

src/FbTk/TextButton.cc

@@ -63,8 +63,10 @@ void TextButton::setJustify(FbTk::Justify just) {
 }
 
 bool TextButton::setOrientation(FbTk::Orientation orient) {
-    if (!m_font->validOrientation(orient))
+    if (orient == m_orientation
+        || !m_font->validOrientation(orient))
         return false;
+    invalidateBackground();
 
     if ((m_orientation == FbTk::ROT0 || m_orientation == FbTk::ROT180) &&
         (orient == FbTk::ROT90 || orient == FbTk::ROT270) ||
@@ -76,8 +78,7 @@ bool TextButton::setOrientation(FbTk::Orientation orient) {
     } else {
         m_orientation = orient;
     }
-    updateBackground(false);
-    clear();
+
     return true;
 }
 

src/FbWinFrame.cc

@@ -159,7 +159,9 @@ bool FbWinFrame::setTabMode(TabMode tabmode) {
         m_tab_container.setOrientation(FbTk::ROT0);
         if (m_tab_container.parent()->window() == m_screen.rootWindow().window()) {
             m_layeritem.removeWindow(m_tab_container);
+            m_tab_container.hide();
             m_tab_container.reparent(m_titlebar, m_label.x(), m_label.y());
+            m_tab_container.invalidateBackground();
             m_tab_container.resize(m_label.width(), m_label.height());
             m_tab_container.raise();
         }
@@ -424,10 +426,8 @@ void FbWinFrame::alignTabs() {
     }
 
     if (m_tab_container.parent()->window() != m_screen.rootWindow().window()) {
-        // because the label might be using the same cached pixmap as tab container!
-        renderTitlebar();
-        applyTitlebar();
         m_tab_container.reparent(m_screen.rootWindow(), tabx, taby);
+        m_label.clear();
         m_layeritem.addWindow(m_tab_container);
     } else {
         m_tab_container.move(tabx, taby);
@@ -1000,12 +1000,15 @@ void FbWinFrame::reconfigure() {
 
         // we do handle settings whether on or not so that if they get toggled
         // then things are ok...
+        m_handle.invalidateBackground();
         m_handle.moveResize(-handle_bw, ypos,
                             m_window.width(), grip_height);
 
+        m_grip_left.invalidateBackground();
         m_grip_left.moveResize(-handle_bw, -handle_bw,
                                grip_width, grip_height);
 
+        m_grip_right.invalidateBackground();
         m_grip_right.moveResize(m_handle.width() - grip_width - handle_bw, -handle_bw,
                                 grip_width, grip_height);
 
@@ -1089,6 +1092,7 @@ void FbWinFrame::reconfigureTitlebar() {
     // if the titlebar grows in size, make sure the whole window does too
     if (orig_height != title_height) 
         m_window.resize(m_window.width(), m_window.height()-orig_height+title_height);
+    m_titlebar.invalidateBackground();
     m_titlebar.moveResize(-m_titlebar.borderWidth(), -m_titlebar.borderWidth(),
                           m_window.width(), title_height);
 
@@ -1097,6 +1101,8 @@ void FbWinFrame::reconfigureTitlebar() {
     unsigned int button_size = buttonHeight();
     m_button_size = button_size;
     for (size_t i=0; i < m_buttons_left.size(); i++, next_x += button_size + m_bevel) {
+        // probably on theme reconfigure, leave bg alone for now
+        m_buttons_left[i]->invalidateBackground();
         m_buttons_left[i]->moveResize(next_x, m_bevel, 
                                       button_size, button_size);
     }
@@ -1114,8 +1120,10 @@ void FbWinFrame::reconfigureTitlebar() {
     if (space_left <= 0)
         space_left = 1;
 
+    m_label.invalidateBackground();
     m_label.moveResize(next_x, m_bevel, space_left, button_size);
 
+    m_tab_container.invalidateBackground();
     if (m_tabmode == INTERNAL)
         m_tab_container.moveResize(next_x, m_bevel,
                                    space_left, button_size);
@@ -1134,6 +1142,7 @@ void FbWinFrame::reconfigureTitlebar() {
     // finaly set new buttons to the right
     for (size_t i=0; i < m_buttons_right.size(); 
          ++i, next_x += button_size + m_bevel) {
+        m_buttons_right[i]->invalidateBackground();
         m_buttons_right[i]->moveResize(next_x, m_bevel,
                                        button_size, button_size);
     }