]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/scrolwin.cpp
avoiding warning for unused var in cocoa build
[wxWidgets.git] / src / gtk / scrolwin.cpp
index 7519c5c58961b4a9cbd0a0742bb3a430c2b8edb1..ef9dfd797c2890660a767e87bd88d29d893477ba 100644 (file)
 // 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);
@@ -81,13 +81,13 @@ void wxScrollHelperNative::SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
     }
 }
 
-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)
 {
     int upper;
     int page_size;
@@ -119,16 +119,29 @@ void wxScrollHelperNative::DoAdjustScrollbar(GtkRange* range,
         *pos = *lines;
 }
 
-void wxScrollHelperNative::AdjustScrollbars()
+void wxScrollHelper::AdjustScrollbars()
 {
     int vw, vh;
-    m_targetWindow->GetVirtualSize( &vw, &vh );
+    m_targetWindow->GetVirtualSize(&vw, &vh);
+
+    int w, h;
+    const wxSize availSize = GetSizeAvailableForScrollTarget(
+        m_win->GetSize() - m_win->GetWindowBorderSize());
+    if ( availSize.x >= vw && availSize.y >= vh )
+    {
+        w = availSize.x;
+        h = availSize.y;
+
+        // we know that the scrollbars will be removed
+        DoAdjustHScrollbar(w, vw);
+        DoAdjustVScrollbar(h, vh);
+
+        return;
+    }
 
-    int w;
     m_targetWindow->GetClientSize(&w, NULL);
     DoAdjustHScrollbar(w, vw);
 
-    int h;
     m_targetWindow->GetClientSize(NULL, &h);
     DoAdjustVScrollbar(h, vh);
 
@@ -150,7 +163,7 @@ void wxScrollHelperNative::AdjustScrollbars()
     }
 }
 
-void wxScrollHelperNative::DoScroll(int orient,
+void wxScrollHelper::DoScrollOneDir(int orient,
                                     int pos,
                                     int pixelsPerLine,
                                     int *posOld)
@@ -168,10 +181,52 @@ void wxScrollHelperNative::DoScroll(int orient,
     }
 }
 
-void wxScrollHelperNative::Scroll( int x_pos, int y_pos )
+void wxScrollHelper::DoScroll( int x_pos, int y_pos )
 {
     wxCHECK_RET( m_targetWindow != 0, _T("No target window") );
 
-    DoScroll(wxHORIZONTAL, x_pos, m_xScrollPixelsPerLine, &m_xScrollPosition);
-    DoScroll(wxVERTICAL, y_pos, m_yScrollPixelsPerLine, &m_yScrollPosition);
+    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;
+
+        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));
+}
+