From b5a49d4c5267d4eb933d45ec615ac2ed374750dc Mon Sep 17 00:00:00 2001
From: Robert Roebling <robert@roebling.de>
Date: Fri, 29 Mar 2002 18:01:50 +0000
Subject: [PATCH]   A bit of scrolling works under GTK 2.0

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14865 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/gtk/private.h   |  7 ++-----
 include/wx/gtk1/private.h  |  7 ++-----
 samples/erase/erase.cpp    | 11 +++++++++++
 samples/erase/mondrian.xpm | 15 ++++++++-------
 src/gtk/window.cpp         |  6 +++---
 src/gtk1/window.cpp        |  6 +++---
 6 files changed, 29 insertions(+), 23 deletions(-)

diff --git a/include/wx/gtk/private.h b/include/wx/gtk/private.h
index aa0dd2841e..93ea5878c4 100644
--- a/include/wx/gtk/private.h
+++ b/include/wx/gtk/private.h
@@ -87,12 +87,9 @@
     #define NOTEBOOK_PANEL(nb)  GTK_NOTEBOOK(nb)->panel
 #endif
 
-// VZ: I _think_ that in GTK+ 2.0 the scroll type is passed to the
-//     value_changed callback as a 2nd argument but I'm not at all sure about
-//     it, if this is false all occurences of this macro must be changed!
 #ifdef __WXGTK20__
-    #define SCROLLBAR_CBACK_ARG GtkScrollType scrollType,
-    #define GET_SCROLL_TYPE(w)   scrollType
+    #define SCROLLBAR_CBACK_ARG
+    #define GET_SCROLL_TYPE(w)   GTK_SCROLL_JUMP
 #else
     #define SCROLLBAR_CBACK_ARG
     #define GET_SCROLL_TYPE(w)   GTK_RANGE((w))->scroll_type
diff --git a/include/wx/gtk1/private.h b/include/wx/gtk1/private.h
index aa0dd2841e..93ea5878c4 100644
--- a/include/wx/gtk1/private.h
+++ b/include/wx/gtk1/private.h
@@ -87,12 +87,9 @@
     #define NOTEBOOK_PANEL(nb)  GTK_NOTEBOOK(nb)->panel
 #endif
 
-// VZ: I _think_ that in GTK+ 2.0 the scroll type is passed to the
-//     value_changed callback as a 2nd argument but I'm not at all sure about
-//     it, if this is false all occurences of this macro must be changed!
 #ifdef __WXGTK20__
-    #define SCROLLBAR_CBACK_ARG GtkScrollType scrollType,
-    #define GET_SCROLL_TYPE(w)   scrollType
+    #define SCROLLBAR_CBACK_ARG
+    #define GET_SCROLL_TYPE(w)   GTK_SCROLL_JUMP
 #else
     #define SCROLLBAR_CBACK_ARG
     #define GET_SCROLL_TYPE(w)   GTK_RANGE((w))->scroll_type
diff --git a/samples/erase/erase.cpp b/samples/erase/erase.cpp
index 9f159bbebc..d9f5cfc041 100644
--- a/samples/erase/erase.cpp
+++ b/samples/erase/erase.cpp
@@ -74,6 +74,8 @@ public:
     
     void OnPaint( wxPaintEvent &event );
     void OnEraseBackground( wxEraseEvent &event );
+    
+    wxBitmap    m_bitmap;
 
 private:
     DECLARE_EVENT_TABLE()
@@ -174,6 +176,10 @@ MyCanvas::MyCanvas( MyFrame *parent )
                     wxScrolledWindowStyle|wxNO_FULL_REPAINT_ON_RESIZE|wxSUNKEN_BORDER )
 {
     SetScrollbars( 10, 10, 40, 100, 0, 0 );
+    
+    m_bitmap = wxBitmap( mondrian_xpm );
+    
+    new wxStaticBitmap( this, -1, m_bitmap, wxPoint(80,20) );
 }
 
 void MyCanvas::OnPaint( wxPaintEvent &event )
@@ -181,6 +187,11 @@ void MyCanvas::OnPaint( wxPaintEvent &event )
     wxPaintDC dc(this);
     PrepareDC( dc );
     
+    dc.SetBrush( *wxBLACK_BRUSH );
+    dc.DrawRectangle( 0,0,200,50 );
+    
+    dc.DrawBitmap( m_bitmap, 10, 20, TRUE );
+    
 #if 0  
     wxRegionIterator upd( GetUpdateRegion() );
     while (upd)
diff --git a/samples/erase/mondrian.xpm b/samples/erase/mondrian.xpm
index 409f27a843..ad2e33a2b5 100644
--- a/samples/erase/mondrian.xpm
+++ b/samples/erase/mondrian.xpm
@@ -1,13 +1,14 @@
 /* XPM */
 static char *mondrian_xpm[] = {
 /* columns rows colors chars-per-pixel */
-"32 32 6 1",
+"32 32 7 1",
 "  c Black",
 ". c Blue",
 "X c #00bf00",
 "o c Red",
 "O c Yellow",
 "+ c Gray100",
+"a c None",
 /* pixels */
 "                                ",
 " oooooo +++++++++++++++++++++++ ",
@@ -20,13 +21,13 @@ static char *mondrian_xpm[] = {
 "                                ",
 " ++++++ ++++++++++++++++++ .... ",
 " ++++++ ++++++++++++++++++ .... ",
+" ++++++ +aaaaaaaaaaaaaaaa+ .... ",
+" ++++++ +aaaaaaaaaaaaaaaa+ .... ",
 " ++++++ ++++++++++++++++++ .... ",
-" ++++++ ++++++++++++++++++ .... ",
-" ++++++ ++++++++++++++++++ .... ",
-" ++++++ ++++++++++++++++++      ",
-" ++++++ ++++++++++++++++++ ++++ ",
-" ++++++ ++++++++++++++++++ ++++ ",
-" ++++++ ++++++++++++++++++ ++++ ",
+" ++++++ +aaaaaaaaaaaaaaaa+      ",
+" ++++++ +aaaaaaaaaaaaaaaa+ ++++ ",
+" ++++++ +aaaaaaaaaaaaaaaa+ ++++ ",
+" ++++++ +aaaaaaaaaaaaaaaa+ ++++ ",
 " ++++++ ++++++++++++++++++ ++++ ",
 " ++++++ ++++++++++++++++++ ++++ ",
 " ++++++ ++++++++++++++++++ ++++ ",
diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index 17175ec63d..38b3a20847 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -4092,10 +4092,10 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
     m_clipPaintRegion = FALSE;
 #else
 
-    gdk_window_scroll( GTK_PIZZA(m_wxwindow)->bin_window, -dx, -dy );
+    gdk_window_scroll( GTK_PIZZA(m_wxwindow)->bin_window, dx, dy );
     
-    GTK_PIZZA(m_wxwindow)->xoffset -= dx;
-    GTK_PIZZA(m_wxwindow)->yoffset -= dy;
+    GTK_PIZZA(m_wxwindow)->xoffset += dx;
+    GTK_PIZZA(m_wxwindow)->yoffset += dy;
     
 #endif    
    
diff --git a/src/gtk1/window.cpp b/src/gtk1/window.cpp
index 17175ec63d..38b3a20847 100644
--- a/src/gtk1/window.cpp
+++ b/src/gtk1/window.cpp
@@ -4092,10 +4092,10 @@ void wxWindowGTK::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) )
     m_clipPaintRegion = FALSE;
 #else
 
-    gdk_window_scroll( GTK_PIZZA(m_wxwindow)->bin_window, -dx, -dy );
+    gdk_window_scroll( GTK_PIZZA(m_wxwindow)->bin_window, dx, dy );
     
-    GTK_PIZZA(m_wxwindow)->xoffset -= dx;
-    GTK_PIZZA(m_wxwindow)->yoffset -= dy;
+    GTK_PIZZA(m_wxwindow)->xoffset += dx;
+    GTK_PIZZA(m_wxwindow)->yoffset += dy;
     
 #endif    
    
-- 
2.45.2