fix transparency updates for the toolbar when autohide is on

ChangeLog

@@ -1,6 +1,8 @@
 (Format: Year/Month/Day)
 Changes for 0.9.16:
 *06/04/17:
+   * Fix toolbar transparency when autohide enabled (Simon)
+     Toolbar.cc Container.hh/cc ToolbarItem.hh/cc *Tool.hh/cc
    * Fix toolbar transparency (frame and empty iconbar) (Simon)
      Container.cc Toolbar.cc
    * Fix display of label for dialog-type boxes (Simon)

src/ClockTool.hh

@@ -65,6 +65,8 @@ public:
 
     void setOrientation(FbTk::Orientation orient);
 
+    void parentMoved() { m_button.parentMoved(); }
+
 private:
     void updateTime();
     void update(FbTk::Subject *subj);

src/Container.cc

@@ -510,6 +510,14 @@ void Container::setAlpha(unsigned char alpha) {
         (*it)->setAlpha(alpha);
 }
 
+void Container::parentMoved() {
+    FbTk::FbWindow::parentMoved();
+    ItemList::iterator it = m_item_list.begin();
+    ItemList::iterator it_end = m_item_list.end();
+    for (; it != it_end; ++it)
+        (*it)->parentMoved();
+}
+
 void Container::clear() {
     ItemList::iterator it = m_item_list.begin();
     ItemList::iterator it_end = m_item_list.end();

src/Container.hh

@@ -83,6 +83,8 @@ public:
     bool tryButtonPressEvent(XButtonEvent &event);
     bool tryButtonReleaseEvent(XButtonEvent &event);
 
+    void parentMoved();
+
     /// accessors
     inline Alignment alignment() const { return m_align; }
     inline FbTk::Orientation orientation() const { return m_orientation; }

src/GenericTool.cc

@@ -84,3 +84,8 @@ void GenericTool::renderTheme(unsigned char alpha) {
 void GenericTool::update(FbTk::Subject *subj) {
     m_window->clear();
 }
+
+void GenericTool::parentMoved() {
+    m_window->parentMoved();
+}
+

src/GenericTool.hh

@@ -52,6 +52,8 @@ public:
     unsigned int height() const;
     unsigned int borderWidth() const;
 
+    void parentMoved();
+
     const ToolTheme &theme() const { return m_theme; }
     FbTk::FbWindow &window() { return *m_window; }
     const FbTk::FbWindow &window() const { return *m_window; }

src/IconbarTool.hh

@@ -86,6 +86,7 @@ public:
     void setMode(Mode mode);
     void setDeiconifyMode(DeiconifyMode mode);
     void setWheelMode(WheelMode mode);
+    void parentMoved() { m_icon_container.parentMoved(); }
 
     unsigned int width() const;
     unsigned int height() const;

src/SystemTray.hh

@@ -71,6 +71,8 @@ public:
     inline void renderTheme(unsigned char alpha) {}
     inline void updateSizing() {}
 
+    void parentMoved() { m_window.parentMoved(); }
+
 private:
 
     void update(FbTk::Subject *subj);

src/Toolbar.cc

@@ -782,8 +782,14 @@ void Toolbar::toggleHidden() {
     m_hidden = ! m_hidden;
     if (isHidden())
         frame.window.move(frame.x_hidden, frame.y_hidden);
-    else
+    else {
         frame.window.move(frame.x, frame.y);
+        ItemList::iterator item_it = m_item_list.begin();
+        ItemList::iterator item_it_end = m_item_list.end();
+        for (item_it = m_item_list.begin(); item_it != item_it_end; ++item_it) {
+            (*item_it)->parentMoved();
+        }
+    }
 
 }
 

src/ToolbarItem.hh

@@ -58,6 +58,9 @@ public:
     // the toolbar instead. Otherwise there are ordering problems.
     virtual void renderTheme(unsigned char alpha) = 0;
 
+    // insist implemented, even if blank
+    virtual void parentMoved() = 0; // called when moved from hiding
+
     // just update theme items that affect the size
     virtual void updateSizing() = 0;
 

src/WorkspaceNameTool.hh

@@ -54,6 +54,8 @@ public:
     const FbTk::Button &button() const { return m_button; }
     void setOrientation(FbTk::Orientation orient);
 
+    void parentMoved() { m_button.parentMoved(); }
+
 private:
     void renderTheme(unsigned char alpha);
     void reRender();