]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/sashwin.cpp
Made HelpGen compile here.
[wxWidgets.git] / src / generic / sashwin.cpp
index 2b4c57472cc6ef7f8def3dfe31ebd14cab1831fc..b326c0caee146038ca7150f65bcbc2da27c98a0f 100644 (file)
@@ -8,7 +8,7 @@
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:    wxWindows license
+// Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 #include "wx/wx.h"
 #endif
 
+#if wxUSE_SASH
+
 #include <math.h>
 #include <stdlib.h>
 
 #include "wx/string.h"
 #include "wx/dcscreen.h"
 #include "wx/sashwin.h"
+#include "wx/laywin.h"
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxSashWindow, wxWindow)
 IMPLEMENT_DYNAMIC_CLASS(wxSashEvent, wxCommandEvent)
 
@@ -42,7 +44,6 @@ BEGIN_EVENT_TABLE(wxSashWindow, wxWindow)
     EVT_SIZE(wxSashWindow::OnSize)
     EVT_MOUSE_EVENTS(wxSashWindow::OnMouseEvent)
 END_EVENT_TABLE()
-#endif
 
 wxSashWindow::wxSashWindow()
 {
@@ -96,32 +97,46 @@ void wxSashWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
     wxPaintDC dc(this);
 
-#if 0
-    if ( m_borderSize > 0 )
-        DrawBorders(dc);
-#endif
+    //    if ( m_borderSize > 0 )
+    DrawBorders(dc);
 
     DrawSashes(dc);
 }
 
 void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
 {
-    long x, y;
-    event.Position(&x, &y);
+    wxCoord x, y;
+    event.GetPosition(&x, &y);
 
     wxSashEdgePosition sashHit = SashHitTest(x, y);
 
-       if (event.LeftDown())
-       {
+    // reset the cursor
+#ifdef __WXMOTIF__
+    SetCursor(* wxSTANDARD_CURSOR);
+#endif
+#ifdef __WXMSW__
+    SetCursor(wxCursor());
+#endif
+
+    if (event.LeftDown())
+    {
+        CaptureMouse();
+
         if ( sashHit != wxSASH_NONE )
         {
-               CaptureMouse();
+            // Required for X to specify that
+            // that we wish to draw on top of all windows
+            // - and we optimise by specifying the area
+            // for creating the overlap window.
+            // Find the first frame or dialog and use this to specify
+            // the area to draw on.
+            wxWindow* parent = this;
 
-           // Required for X to specify that
-               // that we wish to draw on top of all windows
-               // - and we optimise by specifying the area
-               // for creating the overlap window.
-               wxScreenDC::StartDrawingOnTop(this);
+            while (parent && !parent->IsKindOf(CLASSINFO(wxDialog)) &&
+                             !parent->IsKindOf(CLASSINFO(wxFrame)))
+              parent = parent->GetParent();
+
+            wxScreenDC::StartDrawingOnTop(parent);
 
             // We don't say we're dragging yet; we leave that
             // decision for the Dragging() branch, to ensure
@@ -130,8 +145,17 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
             m_draggingEdge = sashHit;
             m_firstX = x;
             m_firstY = y;
+
+            if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) )
+            {
+                SetCursor(*m_sashCursorWE);
+            }
+            else
+            {
+                SetCursor(*m_sashCursorNS);
+            }
         }
-       }
+    }
     else if ( event.LeftUp() && m_dragMode == wxSASH_DRAG_LEFT_DOWN )
     {
         // Wasn't a proper drag
@@ -139,14 +163,12 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
         wxScreenDC::EndDrawingOnTop();
         m_dragMode = wxSASH_DRAG_NONE;
         m_draggingEdge = wxSASH_NONE;
-
-        SetCursor(*wxSTANDARD_CURSOR);
     }
-       else if (event.LeftUp() && m_dragMode == wxSASH_DRAG_DRAGGING)
-       {
+    else if (event.LeftUp() && m_dragMode == wxSASH_DRAG_DRAGGING)
+    {
         // We can stop dragging now and see what we've got.
         m_dragMode = wxSASH_DRAG_NONE;
-               ReleaseMouse();
+        ReleaseMouse();
         // Erase old tracker
         DrawSashTracker(m_draggingEdge, m_oldX, m_oldY);
 
@@ -155,100 +177,146 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
         wxScreenDC::EndDrawingOnTop();
 
         int w, h;
-               GetSize(&w, &h);
+        GetSize(&w, &h);
         int xp, yp;
-               GetPosition(&xp, &yp);
+        GetPosition(&xp, &yp);
 
         wxSashEdgePosition edge = m_draggingEdge;
         m_draggingEdge = wxSASH_NONE;
 
         wxRect dragRect;
         wxSashDragStatus status = wxSASH_STATUS_OK;
+
+        // the new height and width of the window - if -1, it didn't change
+        int newHeight = -1,
+            newWidth = -1;
+
+        // NB: x and y may be negative and they're relative to the sash window
+        //     upper left corner, while xp and yp are expressed in the parent
+        //     window system of coordinates, so adjust them! After this
+        //     adjustment, all coordinates are relative to the parent window.
+        y += yp;
+        x += xp;
+
         switch (edge)
         {
             case wxSASH_TOP:
-            {
-                if (y > (yp + h))
+                if ( y > yp + h )
+                {
+                    // top sash shouldn't get below the bottom one
                     status = wxSASH_STATUS_OUT_OF_RANGE;
-                int newHeight = (h - y);
-               newHeight=wxMax(newHeight,m_minimumPaneSizeY);
-               newHeight=wxMin(newHeight,m_maximumPaneSizeY);
-                dragRect = wxRect(xp, (yp + h) - newHeight, w, newHeight);
+                }
+                else
+                {
+                    newHeight = h - (y - yp);
+                }
                 break;
-            }
+
             case wxSASH_BOTTOM:
-            {
-                if (y < 0)
+                if ( y < yp )
+                {
+                    // bottom sash shouldn't get above the top one
                     status = wxSASH_STATUS_OUT_OF_RANGE;
-                int newHeight = y;
-               newHeight=wxMax(newHeight,m_minimumPaneSizeY);
-               newHeight=wxMin(newHeight,m_maximumPaneSizeY);
-                dragRect = wxRect(xp, yp, w, newHeight);
+                }
+                else
+                {
+                    newHeight = y - yp;
+                }
                 break;
-            }
+
             case wxSASH_LEFT:
-            {
-                if (x > (xp + w))
+                if ( x > xp + w )
+                {
+                    // left sash shouldn't get beyond the right one
                     status = wxSASH_STATUS_OUT_OF_RANGE;
-                int newWidth = (w - x);
-               newWidth=wxMax(newWidth,m_minimumPaneSizeX);
-               newWidth=wxMin(newWidth,m_maximumPaneSizeX);
-                dragRect = wxRect((xp + w) - newWidth, yp, newWidth, h);
+                }
+                else
+                {
+                    newWidth = w - (x - xp);
+                }
                 break;
-            }
+
             case wxSASH_RIGHT:
-            {
-                if (x < 0)
+                if ( x < xp )
+                {
+                    // and the right sash, finally, shouldn't be beyond the
+                    // left one
                     status = wxSASH_STATUS_OUT_OF_RANGE;
-                int newWidth = x;
-               newWidth=wxMax(newWidth,m_minimumPaneSizeX);
-               newWidth=wxMin(newWidth,m_maximumPaneSizeX);
-                dragRect = wxRect(xp, yp, newWidth, h);
+                }
+                else
+                {
+                    newWidth = x - xp;
+                }
                 break;
-            }
-           case wxSASH_NONE:
-           {
-               break;
-           }
+
+            case wxSASH_NONE:
+                // can this happen at all?
+                break;
+        }
+
+        if ( newHeight == -1 )
+        {
+            // didn't change
+            newHeight = h;
+        }
+        else
+        {
+            // make sure it's in m_minimumPaneSizeY..m_maximumPaneSizeY range
+            newHeight = wxMax(newHeight, m_minimumPaneSizeY);
+            newHeight = wxMin(newHeight, m_maximumPaneSizeY);
+        }
+
+        if ( newWidth == -1 )
+        {
+            // didn't change
+            newWidth = w;
+        }
+        else
+        {
+            // make sure it's in m_minimumPaneSizeY..m_maximumPaneSizeY range
+            newWidth = wxMax(newWidth, m_minimumPaneSizeX);
+            newWidth = wxMin(newWidth, m_maximumPaneSizeX);
         }
 
+        dragRect = wxRect(x, y, newWidth, newHeight);
+
         wxSashEvent event(GetId(), edge);
         event.SetEventObject(this);
         event.SetDragStatus(status);
         event.SetDragRect(dragRect);
         GetEventHandler()->ProcessEvent(event);
-       }
-       else if (event.Moving() && !event.Dragging())
-       {
+    }
+    else if ( event.LeftUp() )
+    {
+        ReleaseMouse();
+    }
+    else if (event.Moving() && !event.Dragging())
+    {
         // Just change the cursor if required
         if ( sashHit != wxSASH_NONE )
         {
-               if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) )
-                {
-                       SetCursor(*m_sashCursorWE);
-                }
-                else
-                {
-                       SetCursor(*m_sashCursorNS);
-                }
+            if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) )
+            {
+                SetCursor(*m_sashCursorWE);
+            }
+            else
+            {
+                SetCursor(*m_sashCursorNS);
+            }
+        }
+    }
+    else if ( event.Dragging() &&
+              ((m_dragMode == wxSASH_DRAG_DRAGGING) ||
+               (m_dragMode == wxSASH_DRAG_LEFT_DOWN)) )
+    {
+        if ( (m_draggingEdge == wxSASH_LEFT) || (m_draggingEdge == wxSASH_RIGHT) )
+        {
+            SetCursor(*m_sashCursorWE);
         }
         else
         {
-           SetCursor(*wxSTANDARD_CURSOR);
+            SetCursor(*m_sashCursorNS);
         }
-       }
-       else if ( event.Dragging() &&
-              ((m_dragMode == wxSASH_DRAG_DRAGGING) || (m_dragMode == wxSASH_DRAG_LEFT_DOWN))
-            )
-       {
-                if ( (m_draggingEdge == wxSASH_LEFT) || (m_draggingEdge == wxSASH_RIGHT) )
-         {
-               SetCursor(*m_sashCursorWE);
-         }
-         else
-         {
-               SetCursor(*m_sashCursorNS);
-         }
 
         if (m_dragMode == wxSASH_DRAG_LEFT_DOWN)
         {
@@ -257,18 +325,18 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
         }
         else
         {
-          if ( m_dragMode == wxSASH_DRAG_DRAGGING )
-          {
-            // Erase old tracker
-            DrawSashTracker(m_draggingEdge, m_oldX, m_oldY);
+            if ( m_dragMode == wxSASH_DRAG_DRAGGING )
+            {
+                // Erase old tracker
+                DrawSashTracker(m_draggingEdge, m_oldX, m_oldY);
 
-            // Draw new one
-            DrawSashTracker(m_draggingEdge, x, y);
-          }
+                // Draw new one
+                DrawSashTracker(m_draggingEdge, x, y);
+            }
         }
         m_oldX = x;
         m_oldY = y;
-       }
+    }
     else if ( event.LeftDClick() )
     {
         // Nothing
@@ -318,7 +386,7 @@ wxSashEdgePosition wxSashWindow::SashHitTest(int x, int y, int WXUNUSED(toleranc
                 }
                 case wxSASH_LEFT:
                 {
-                    if ((x >= GetEdgeMargin(position)) && (x >= 0))
+                    if ((x <= GetEdgeMargin(position)) && (x >= 0))
                         return wxSASH_LEFT;
                     break;
                 }
@@ -343,7 +411,7 @@ void wxSashWindow::DrawBorders(wxDC& dc)
     wxPen lightShadowPen(m_lightShadowColour, 1, wxSOLID);
     wxPen hilightPen(m_hilightColour, 1, wxSOLID);
 
-    if ( GetWindowStyleFlag() & wxSP_3D )
+    if ( GetWindowStyleFlag() & wxSW_3D )
     {
         dc.SetPen(mediumShadowPen);
         dc.DrawLine(0, 0, w-1, 0);
@@ -362,7 +430,7 @@ void wxSashWindow::DrawBorders(wxDC& dc)
         dc.DrawLine(w-2, 1, w-2, h-2); // Right hand side
         dc.DrawLine(1, h-2, w-1, h-2);     // Bottom
     }
-    else if ( GetWindowStyleFlag() & wxSP_BORDER )
+    else if ( GetWindowStyleFlag() & wxSW_BORDER )
     {
         dc.SetBrush(*wxTRANSPARENT_BRUSH);
         dc.SetPen(*wxBLACK_PEN);
@@ -507,7 +575,7 @@ void wxSashWindow::DrawSashTracker(wxSashEdgePosition edge, int x, int y)
 
     wxPen sashTrackerPen(*wxBLACK, 2, wxSOLID);
 
-    screenDC.SetLogicalFunction(wxXOR);
+    screenDC.SetLogicalFunction(wxINVERT);
     screenDC.SetPen(sashTrackerPen);
     screenDC.SetBrush(*wxTRANSPARENT_BRUSH);
 
@@ -527,9 +595,9 @@ void wxSashWindow::SizeWindows()
     int cw, ch;
     GetClientSize(&cw, &ch);
 
-    if (GetChildren()->Number() > 0)
+    if (GetChildren().Number() == 1)
     {
-        wxWindow* child = (wxWindow*) (GetChildren()->First()->Data());
+        wxWindow* child = (wxWindow*) (GetChildren().First()->Data());
 
         int x = 0;
         int y = 0;
@@ -568,6 +636,16 @@ void wxSashWindow::SizeWindows()
 
         child->SetSize(x, y, width, height);
     }
+    else if (GetChildren().Number() > 1)
+    {
+        // Perhaps multiple children are themselves sash windows.
+        // TODO: this doesn't really work because the subwindows sizes/positions
+        // must be set to leave a gap for the parent's sash (hit-test and decorations).
+        // Perhaps we can allow for this within LayoutWindow, testing whether the parent
+        // is a sash window, and if so, allowing some space for the edges.
+        wxLayoutAlgorithm layout;
+        layout.LayoutWindow(this);
+    }
 
     wxClientDC dc(this);
     DrawBorders(dc);
@@ -602,3 +680,4 @@ void wxSashWindow::SetSashVisible(wxSashEdgePosition edge, bool sash)
         m_sashes[edge].m_margin = 0;
 }
 
+#endif // wxUSE_SASH