X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8e1a5bf979fcdf82238b20cda1209a4f67f394c0..ca8d899fcb677bad4ed7df5c65887b725a092482:/include/wx/gtk/window.h

diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h
index 0f5478fe2b..5a11d736ac 100644
--- a/include/wx/gtk/window.h
+++ b/include/wx/gtk/window.h
@@ -7,13 +7,17 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef __GTKWINDOWH__
-#define __GTKWINDOWH__
+#ifndef _WX_GTK_WINDOW_H_
+#define _WX_GTK_WINDOW_H_
+
+#include "wx/dynarray.h"
 
 // helper structure that holds class that holds GtkIMContext object and
 // some additional data needed for key events processing
 struct wxGtkIMData;
 
+WX_DEFINE_EXPORTED_ARRAY_PTR(GdkWindow *, wxArrayGdkWindows);
+
 //-----------------------------------------------------------------------------
 // callback definition for inserting a window (internal)
 //-----------------------------------------------------------------------------
@@ -117,9 +121,8 @@ public:
 
     virtual WXWidget GetHandle() const { return m_widget; }
 
-    // I don't want users to override what's done in idle so everything that
-    // has to be done in idle time in order for wxGTK to work is done in
-    // OnInternalIdle
+    // many important things are done here, this function must be called
+    // regularly
     virtual void OnInternalIdle();
 
     // Internal represention of Update()
@@ -156,9 +159,19 @@ public:
     // widget where (most of) the input goes. even tooltips have
     // to be applied to all subwidgets.
     virtual GtkWidget* GetConnectWidget();
-    virtual bool IsOwnGtkWindow( GdkWindow *window );
     void ConnectWidget( GtkWidget *widget );
 
+    // Called from several event handlers, if it returns true or false, the
+    // same value should be immediately returned by the handler without doing
+    // anything else. If it returns -1, the handler should continue as usual
+    int GTKCallbackCommonPrologue(struct _GdkEventAny *event) const;
+
+    // override this if some events should never be consumed by wxWidgets but
+    // but have to be left for the native control
+    //
+    // base version just does GetEventHandler()->ProcessEvent()
+    virtual bool GTKProcessEvent(wxEvent& event) const;
+
 protected:
     // Override GTKWidgetNeedsMnemonic and return true if your
     // needs to set its mnemonic widget, such as for a 
@@ -167,6 +180,24 @@ protected:
     virtual bool GTKWidgetNeedsMnemonic() const;
     virtual void GTKWidgetDoSetMnemonic(GtkWidget* w);
 
+    // Get the GdkWindows making part of this window: usually there will be
+    // only one of them in which case it should be returned directly by this
+    // function. If there is more than one GdkWindow (can be the case for
+    // composite widgets), return NULL and fill in the provided array
+    //
+    // This is not pure virtual for backwards compatibility but almost
+    // certainly must be overridden in any wxControl-derived class!
+    virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const;
+
+    // Check if the given window makes part of this widget
+    bool GTKIsOwnWindow(GdkWindow *window) const;
+
+    // Set the focus to this window if its setting was delayed because the
+    // widget hadn't been realized when SetFocus() was called
+    //
+    // Return true if focus was set to us, false if nothing was done
+    bool GTKSetDelayedFocusIfNeeded();
+
 public:
     // Returns the default context which usually is anti-aliased
     PangoContext   *GtkGetPangoDefaultContext();
@@ -179,6 +210,15 @@ public:
     // the layouting functions have to be called later on
     // (i.e. in idle time, implemented in OnInternalIdle() ).
     void GtkUpdateSize() { m_sizeSet = false; }
+    
+    
+    // Called when a window should delay showing itself
+    // until idle time. This partly mimmicks defered
+    // sizing under MSW.
+    void GtkShowOnIdle() { m_showOnIdle = true; }
+    
+    // This is called from the various OnInternalIdle methods
+    bool GtkShowFromOnIdle();
 
     // fix up the mouse event coords, used by wxListBox only so far
     virtual void FixUpMouseEvent(GtkWidget * WXUNUSED(widget),
@@ -211,10 +251,36 @@ public:
 
     wxGtkIMData         *m_imData;
 
+
+    // indices for the arrays below
+    enum ScrollDir { ScrollDir_Horz, ScrollDir_Vert, ScrollDir_Max };
+
     // horizontal/vertical scroll bar
-    GtkRange* m_scrollBar[2];
+    GtkRange* m_scrollBar[ScrollDir_Max];
+
     // horizontal/vertical scroll position
-    double m_scrollPos[2];
+    double m_scrollPos[ScrollDir_Max];
+
+    // if true, don't notify about adjustment change (without resetting the
+    // flag, so this has to be done manually)
+    bool m_blockValueChanged[ScrollDir_Max];
+
+    // return the scroll direction index corresponding to the given orientation
+    // (which is wxVERTICAL or wxHORIZONTAL)
+    static ScrollDir ScrollDirFromOrient(int orient)
+    {
+        return orient == wxVERTICAL ? ScrollDir_Vert : ScrollDir_Horz;
+    }
+
+    // return the orientation for the given scrolling direction
+    static int OrientFromScrollDir(ScrollDir dir)
+    {
+        return dir == ScrollDir_Horz ? wxHORIZONTAL : wxVERTICAL;
+    }
+
+    // find the direction of the given scrollbar (must be one of ours)
+    ScrollDir ScrollDirFromRange(GtkRange *range) const;
+
 
     // extra (wxGTK-specific) flags
     bool                 m_needParent:1;        // ! wxFrame, wxDialog, wxNotebookPage ?
@@ -234,6 +300,8 @@ public:
                                                 // background style until OnIdle
     bool                 m_mouseButtonDown:1;
     bool                 m_blockScrollEvent:1;
+    
+    bool                 m_showOnIdle:1;        // postpone showing the window until idle
 
     // C++ has no virtual methods in the constrcutor of any class but we need
     // different methods of inserting a child window into a wxFrame,
@@ -289,11 +357,27 @@ protected:
     // sets the border of a given GtkScrolledWindow from a wx style
     static void GtkScrolledWindowSetBorder(GtkWidget* w, int style);
 
+    // set the current cursor for all GdkWindows making part of this widget
+    // (see GTKGetWindow)
+    //
+    // should be called from OnInternalIdle() if it's overridden
+    void GTKUpdateCursor();
+
 private:
+    enum ScrollUnit { ScrollUnit_Line, ScrollUnit_Page, ScrollUnit_Max };
+
+    // common part of ScrollLines() and ScrollPages() and could be used, in the
+    // future, for horizontal scrolling as well
+    //
+    // return true if we scrolled, false otherwise (on error or simply if we
+    // are already at the end)
+    bool DoScrollByUnits(ScrollDir dir, ScrollUnit unit, int units);
+
+
     DECLARE_DYNAMIC_CLASS(wxWindowGTK)
     DECLARE_NO_COPY_CLASS(wxWindowGTK)
 };
 
 extern WXDLLIMPEXP_CORE wxWindow *wxFindFocusedChild(wxWindowGTK *win);
 
-#endif // __GTKWINDOWH__
+#endif // _WX_GTK_WINDOW_H_