Put some life into GTK 2.0 drawing.

[wxWidgets.git] / src / gtk / scrolwin.cpp

diff --git a/src/gtk/scrolwin.cpp b/src/gtk/scrolwin.cpp
index d16768c30c67b33b789c10deb91c68b570ed8fad..175fb3494d4d9f64cbc806d0e2663614d76cdf64 100644 (file)
--- a/src/gtk/scrolwin.cpp
+++ b/src/gtk/scrolwin.cpp
@@ -31,10 +31,11 @@
 #include "wx/utils.h"
 #include "wx/dcclient.h"
 
-#include "wx/gtk/scrolwin.h"
+#include "wx/scrolwin.h"
 #include "wx/panel.h"
+#include "wx/sizer.h"
 
-#include <gtk/gtk.h>
+#include "wx/gtk/private.h"
 #include "wx/gtk/win_gtk.h"
 
 // ----------------------------------------------------------------------------
@@ -72,7 +73,9 @@ extern bool g_isIdle;
 // "value_changed" from m_vAdjust
 //-----------------------------------------------------------------------------
 
-static void gtk_scrolled_window_vscroll_callback( GtkAdjustment *adjust, wxScrolledWindow *win )
+static void gtk_scrolled_window_vscroll_callback( GtkAdjustment *adjust,
+                                                  SCROLLBAR_CBACK_ARG
+                                                  wxScrolledWindow *win )
 {
     if (g_isIdle)
         wxapp_install_idle_handler();
@@ -81,14 +84,17 @@ static void gtk_scrolled_window_vscroll_callback( GtkAdjustment *adjust, wxScrol
 
     if (!win->m_hasVMT) return;
 
-    win->GtkVScroll( adjust->value );
+    win->GtkVScroll( adjust->value,
+            GET_SCROLL_TYPE(GTK_SCROLLED_WINDOW(win->m_widget)->vscrollbar) );
 }
 
 //-----------------------------------------------------------------------------
 // "value_changed" from m_hAdjust
 //-----------------------------------------------------------------------------
 
-static void gtk_scrolled_window_hscroll_callback( GtkAdjustment *adjust, wxScrolledWindow *win )
+static void gtk_scrolled_window_hscroll_callback( GtkAdjustment *adjust,
+                                                  SCROLLBAR_CBACK_ARG
+                                                  wxScrolledWindow *win )
 {
     if (g_isIdle)
         wxapp_install_idle_handler();
@@ -96,7 +102,8 @@ static void gtk_scrolled_window_hscroll_callback( GtkAdjustment *adjust, wxScrol
     if (g_blockEventsOnDrag) return;
     if (!win->m_hasVMT) return;
 
-    win->GtkHScroll( adjust->value );
+    win->GtkHScroll( adjust->value,
+            GET_SCROLL_TYPE(GTK_SCROLLED_WINDOW(win->m_widget)->hscrollbar) );
 }
 
 //-----------------------------------------------------------------------------
@@ -111,7 +118,11 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *widget,
         wxapp_install_idle_handler();
 
     g_blockEventsOnScroll = TRUE;
+
+    // FIXME: there is no slider field any more, what was meant here?
+#ifndef __WXGTK20__
     win->m_isScrolling = (gdk_event->window == widget->slider);
+#endif
 
     return FALSE;
 }
@@ -298,7 +309,7 @@ bool wxScrolledWindow::Create(wxWindow *parent,
 
     if (m_parent)
         m_parent->DoAddChild( this );
-        
+
     m_focusWidget = m_wxwindow;
 
     PostCreation();
@@ -320,12 +331,9 @@ void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY,
                int noUnitsX, int noUnitsY,
                int xPos, int yPos, bool noRefresh )
 {
-    // Update any invalidates areas before the get moved/scrolled.
-    Update();
-
     int old_x = m_xScrollPixelsPerLine * m_xScrollPosition;
     int old_y = m_yScrollPixelsPerLine * m_yScrollPosition;
-    
+
     m_xScrollPixelsPerLine = pixelsPerUnitX;
     m_yScrollPixelsPerLine = pixelsPerUnitY;
     m_xScrollLines = noUnitsX;
@@ -344,23 +352,20 @@ void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY,
     m_vAdjust->value = yPos;
     m_vAdjust->step_increment = 1.0;
     m_vAdjust->page_increment = 2.0;
-    
+
     AdjustScrollbars();
-    
+
     if (!noRefresh)
     {
         int new_x = m_xScrollPixelsPerLine * m_xScrollPosition;
         int new_y = m_yScrollPixelsPerLine * m_yScrollPosition;
-        
+
         m_targetWindow->ScrollWindow( old_x-new_x, old_y-new_y );
     }
 }
 
 void wxScrolledWindow::AdjustScrollbars()
 {
-    // Update any invalidates areas before the get moved/scrolled.
-    Update();
-
     int w, h;
     m_targetWindow->GetClientSize( &w, &h );
 
@@ -435,9 +440,6 @@ void wxScrolledWindow::OnScroll(wxScrollWinEvent& event)
     int nScrollInc = CalcScrollInc(event);
     if (nScrollInc == 0) return;
 
-    // Update any invalidates areas before the get moved/scrolled.
-    Update();
-    
     if (orient == wxHORIZONTAL)
     {
         int newPos = m_xScrollPosition + nScrollInc;
@@ -482,9 +484,6 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos )
     if (((x_pos == -1) || (x_pos == m_xScrollPosition)) &&
         ((y_pos == -1) || (y_pos == m_yScrollPosition))) return;
 
-    // Update any invalidates areas before the get moved/scrolled.
-    Update();
-    
     if ((x_pos != -1) && (m_xScrollPixelsPerLine))
     {
         int max = (int)(m_hAdjust->upper - m_hAdjust->page_size + 0.5);
@@ -524,7 +523,9 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos )
     }
 }
 
-void wxScrolledWindow::GtkVScroll( float value )
+// TODO: [VH]Scroll functions should be combined
+
+void wxScrolledWindow::GtkVScroll( float value, unsigned int scroll_type )
 {
     if (!m_targetWindow)
         return;
@@ -537,24 +538,14 @@ void wxScrolledWindow::GtkVScroll( float value )
     if (y_pos == m_yScrollPosition)
         return;
 
-    // Update any invalidates areas before the get moved/scrolled.
-    Update();
-    
-    GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget);
-    GtkRange *range = GTK_RANGE(scrolledWindow->vscrollbar);
-
-    wxEventType command = wxEVT_SCROLLWIN_THUMBTRACK;
-    if      (range->scroll_type == GTK_SCROLL_STEP_BACKWARD) command = wxEVT_SCROLLWIN_LINEUP;
-    else if (range->scroll_type == GTK_SCROLL_STEP_FORWARD)  command = wxEVT_SCROLLWIN_LINEDOWN;
-    else if (range->scroll_type == GTK_SCROLL_PAGE_BACKWARD) command = wxEVT_SCROLLWIN_PAGEUP;
-    else if (range->scroll_type == GTK_SCROLL_PAGE_FORWARD)  command = wxEVT_SCROLLWIN_PAGEDOWN;
+    wxEventType command = GtkScrollWinTypeToWx(scroll_type);
 
     wxScrollWinEvent event( command, y_pos, wxVERTICAL );
     event.SetEventObject( this );
     GetEventHandler()->ProcessEvent( event );
 }
 
-void wxScrolledWindow::GtkHScroll( float value )
+void wxScrolledWindow::GtkHScroll( float value, unsigned int scroll_type )
 {
     if (!m_targetWindow)
         return;
@@ -567,17 +558,7 @@ void wxScrolledWindow::GtkHScroll( float value )
     if (x_pos == m_xScrollPosition)
         return;
 
-    // Update any invalidates areas before the get moved/scrolled.
-    Update();
-    
-    GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget);
-    GtkRange *range = GTK_RANGE(scrolledWindow->hscrollbar);
-
-    wxEventType command = wxEVT_SCROLLWIN_THUMBTRACK;
-    if      (range->scroll_type == GTK_SCROLL_STEP_BACKWARD) command = wxEVT_SCROLLWIN_LINEUP;
-    else if (range->scroll_type == GTK_SCROLL_STEP_FORWARD)  command = wxEVT_SCROLLWIN_LINEDOWN;
-    else if (range->scroll_type == GTK_SCROLL_PAGE_BACKWARD) command = wxEVT_SCROLLWIN_PAGEUP;
-    else if (range->scroll_type == GTK_SCROLL_PAGE_FORWARD)  command = wxEVT_SCROLLWIN_PAGEDOWN;
+    wxEventType command = GtkScrollWinTypeToWx(scroll_type);
 
     wxScrollWinEvent event( command, x_pos, wxHORIZONTAL );
     event.SetEventObject( this );
@@ -607,7 +588,7 @@ void wxScrolledWindow::GetViewStart (int *x, int *y) const
         *y = m_yScrollPosition;
 }
 
-void wxScrolledWindow::CalcScrolledPosition(int x, int y, int *xx, int *yy) const
+void wxScrolledWindow::DoCalcScrolledPosition(int x, int y, int *xx, int *yy) const
 {
     if ( xx )
         *xx = x - m_xScrollPosition * m_xScrollPixelsPerLine;
@@ -615,7 +596,7 @@ void wxScrolledWindow::CalcScrolledPosition(int x, int y, int *xx, int *yy) cons
         *yy = y - m_yScrollPosition * m_yScrollPixelsPerLine;
 }
 
-void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
+void wxScrolledWindow::DoCalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
 {
     if ( xx )
         *xx = x + m_xScrollPosition * m_xScrollPixelsPerLine;
@@ -714,11 +695,6 @@ void wxScrolledWindow::SetScrollPos( int orient, int pos, bool refresh )
 
     wxCHECK_RET( m_wxwindow != NULL, wxT("window needs client area for scrolling") );
 
-    // Update any invalidates areas before the get moved/scrolled.
-    // We ignore the refresh parameter here because it is meant
-    // to control the behaviour AFTER scrolling happens.
-    Update();
-    
     if (orient == wxHORIZONTAL)
     {
         int max = (int)(m_hAdjust->upper - m_hAdjust->page_size + 0.5);
@@ -785,6 +761,22 @@ void wxScrolledWindow::GtkVDisconnectEvent()
         (GtkSignalFunc) gtk_scrolled_window_vscroll_callback, (gpointer) this );
 }
 
+
+bool wxScrolledWindow::Layout()
+{
+    if (GetSizer())
+    {
+        // Take into account the virtual size and scrolled position of the window
+        int x, y, w, h;
+        CalcScrolledPosition(0,0, &x,&y);
+        GetVirtualSize(&w, &h);
+        GetSizer()->SetDimension(x, y, w, h);
+        return TRUE;
+    }
+    else
+        return wxPanel::Layout();  // fall back to default for LayoutConstraints
+}
+
 // ----------------------------------------------------------------------------
 // event handlers
 // ----------------------------------------------------------------------------