X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0b0f6f87d5112708311954fa4e9109e8ef77c05f..74b1f0b45e0f0bc7e25c5f32bb495e3e4bcd3392:/src/gtk/scrolwin.cpp

diff --git a/src/gtk/scrolwin.cpp b/src/gtk/scrolwin.cpp
index 0447f58d42..b13658fd23 100644
--- a/src/gtk/scrolwin.cpp
+++ b/src/gtk/scrolwin.cpp
@@ -10,14 +10,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -26,69 +18,35 @@
 #endif
 
 #include "wx/scrolwin.h"
-#include "wx/gtk/private.h"
 
-// ============================================================================
-// implementation
-// ============================================================================
+#include <gtk/gtk.h>
 
 // ----------------------------------------------------------------------------
 // wxScrollHelper implementation
 // ----------------------------------------------------------------------------
 
-void wxScrollHelperNative::SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
-                                         int noUnitsX, int noUnitsY,
-                                         int xPos, int yPos,
-                                         bool noRefresh)
+void wxScrollHelper::SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
+                                   int noUnitsX, int noUnitsY,
+                                   int xPos, int yPos,
+                                   bool noRefresh)
 {
-    int xs, ys;
-    GetViewStart(& xs, & ys);
-
-    int old_x = m_xScrollPixelsPerLine * xs;
-    int old_y = m_yScrollPixelsPerLine * ys;
-
-    m_xScrollPixelsPerLine = pixelsPerUnitX;
-    m_yScrollPixelsPerLine = pixelsPerUnitY;
-
-    m_win->m_scrollBar[wxWindow::ScrollDir_Horz]->adjustment->value =
-    m_xScrollPosition = xPos;
-    m_win->m_scrollBar[wxWindow::ScrollDir_Vert]->adjustment->value =
-    m_yScrollPosition = yPos;
-
-    // Setting hints here should arguably be deprecated, but without it
-    // a sizer might override this manual scrollbar setting in old code.
-    // m_targetWindow->SetVirtualSizeHints( noUnitsX * pixelsPerUnitX, noUnitsY * pixelsPerUnitY );
-
-    int w = noUnitsX * pixelsPerUnitX;
-    int h = noUnitsY * pixelsPerUnitY;
-    m_targetWindow->SetVirtualSize( w ? w : wxDefaultCoord,
-                                    h ? h : wxDefaultCoord);
-
-    // If the target is not the same as the window with the scrollbars,
-    // then we need to update the scrollbars here, since they won't have
-    // been updated by SetVirtualSize().
-    if (m_targetWindow != m_win)
-    {
-        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 );
-    }
+    m_win->m_scrollBar[wxWindow::ScrollDir_Horz]->adjustment->value = xPos;
+    m_win->m_scrollBar[wxWindow::ScrollDir_Vert]->adjustment->value = yPos;
+    base_type::SetScrollbars(
+        pixelsPerUnitX, pixelsPerUnitY, noUnitsX, noUnitsY, xPos, yPos, noRefresh);
 }
 
-void wxScrollHelperNative::DoAdjustScrollbar(GtkRange* range,
-                                             int pixelsPerLine,
-                                             int winSize,
-                                             int virtSize,
-                                             int *pos,
-                                             int *lines,
-                                             int *linesPerPage)
+void wxScrollHelper::DoAdjustScrollbar(GtkRange* range,
+                                       int pixelsPerLine,
+                                       int winSize,
+                                       int virtSize,
+                                       int *pos,
+                                       int *lines,
+                                       int *linesPerPage)
 {
+    if (!range)
+        return;
+
     int upper;
     int page_size;
     if (pixelsPerLine > 0 && winSize > 0 && winSize < virtSize)
@@ -119,7 +77,7 @@ void wxScrollHelperNative::DoAdjustScrollbar(GtkRange* range,
         *pos = *lines;
 }
 
-void wxScrollHelperNative::AdjustScrollbars()
+void wxScrollHelper::AdjustScrollbars()
 {
     int vw, vh;
     m_targetWindow->GetVirtualSize(&vw, &vh);
@@ -163,10 +121,10 @@ void wxScrollHelperNative::AdjustScrollbars()
     }
 }
 
-void wxScrollHelperNative::DoScrollOneDir(int orient,
-                                          int pos,
-                                          int pixelsPerLine,
-                                          int *posOld)
+void wxScrollHelper::DoScrollOneDir(int orient,
+                                    int pos,
+                                    int pixelsPerLine,
+                                    int *posOld)
 {
     if ( pos != -1 && pos != *posOld && pixelsPerLine )
     {
@@ -181,10 +139,55 @@ void wxScrollHelperNative::DoScrollOneDir(int orient,
     }
 }
 
-void wxScrollHelperNative::DoScroll( int x_pos, int y_pos )
+void wxScrollHelper::DoScroll( int x_pos, int y_pos )
 {
-    wxCHECK_RET( m_targetWindow != 0, _T("No target window") );
+    wxCHECK_RET( m_targetWindow != 0, wxT("No target window") );
 
     DoScrollOneDir(wxHORIZONTAL, x_pos, m_xScrollPixelsPerLine, &m_xScrollPosition);
     DoScrollOneDir(wxVERTICAL, y_pos, m_yScrollPixelsPerLine, &m_yScrollPosition);
 }
+
+// ----------------------------------------------------------------------------
+// scrollbars visibility
+// ----------------------------------------------------------------------------
+
+namespace
+{
+
+GtkPolicyType GtkPolicyFromWX(wxScrollbarVisibility visibility)
+{
+    GtkPolicyType policy;
+    switch ( visibility )
+    {
+        case wxSHOW_SB_NEVER:
+            policy = GTK_POLICY_NEVER;
+            break;
+
+        case wxSHOW_SB_DEFAULT:
+            policy = GTK_POLICY_AUTOMATIC;
+            break;
+
+        default:
+            wxFAIL_MSG( wxS("unknown scrollbar visibility") );
+            // fall through
+
+        case wxSHOW_SB_ALWAYS:
+            policy = GTK_POLICY_ALWAYS;
+            break;
+    }
+
+    return policy;
+}
+
+} // anonymous namespace
+
+void wxScrollHelper::DoShowScrollbars(wxScrollbarVisibility horz,
+                                      wxScrollbarVisibility vert)
+{
+    GtkScrolledWindow * const scrolled = GTK_SCROLLED_WINDOW(m_win->m_widget);
+    wxCHECK_RET( scrolled, "window must be created" );
+
+    gtk_scrolled_window_set_policy(scrolled,
+                                   GtkPolicyFromWX(horz),
+                                   GtkPolicyFromWX(vert));
+}