]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/sashwin.cpp
Don't log errors from GetScrollInfo since it is possible that there
[wxWidgets.git] / src / generic / sashwin.cpp
index 5f4aac2abe4b18e25aaf50f11df2f1f0a04e5b6e..5d00773b5cfd620fc3a60feb342d816aa6982bf0 100644 (file)
@@ -8,7 +8,7 @@
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 #pragma hdrstop
 #endif
 
+#if wxUSE_SASH
+
 #ifndef WX_PRECOMP
-#include "wx/wx.h"
+    #include "wx/dialog.h"
+    #include "wx/frame.h"
+    #include "wx/settings.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"
 
+DEFINE_EVENT_TYPE(wxEVT_SASH_DRAGGED)
+
 IMPLEMENT_DYNAMIC_CLASS(wxSashWindow, wxWindow)
 IMPLEMENT_DYNAMIC_CLASS(wxSashEvent, wxCommandEvent)
 
@@ -43,30 +46,25 @@ BEGIN_EVENT_TABLE(wxSashWindow, wxWindow)
     EVT_PAINT(wxSashWindow::OnPaint)
     EVT_SIZE(wxSashWindow::OnSize)
     EVT_MOUSE_EVENTS(wxSashWindow::OnMouseEvent)
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+    EVT_SET_CURSOR(wxSashWindow::OnSetCursor)
+#endif // wxMSW
+
 END_EVENT_TABLE()
 
-wxSashWindow::wxSashWindow()
+bool wxSashWindow::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos,
+    const wxSize& size, long style, const wxString& name)
 {
-    m_draggingEdge = wxSASH_NONE;
-    m_dragMode = wxSASH_DRAG_NONE;
-    m_oldX = 0;
-    m_oldY = 0;
-    m_firstX = 0;
-    m_firstY = 0;
-    m_borderSize = 3 ;
-    m_extraBorderSize = 0;
-    m_sashCursorWE = NULL;
-    m_sashCursorNS = NULL;
+    return wxWindow::Create(parent, id, pos, size, style, name);
+}
 
-    m_minimumPaneSizeX = 0;
-    m_minimumPaneSizeY = 0;
-    m_maximumPaneSizeX = 10000;
-    m_maximumPaneSizeY = 10000;
+wxSashWindow::~wxSashWindow()
+{
+    delete m_sashCursorWE;
+    delete m_sashCursorNS;
 }
 
-wxSashWindow::wxSashWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos,
-    const wxSize& size, long style, const wxString& name)
-  :wxWindow(parent, id, pos, size, style, name)
+void wxSashWindow::Init()
 {
     m_draggingEdge = wxSASH_NONE;
     m_dragMode = wxSASH_DRAG_NONE;
@@ -82,24 +80,18 @@ wxSashWindow::wxSashWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos,
     m_maximumPaneSizeY = 10000;
     m_sashCursorWE = new wxCursor(wxCURSOR_SIZEWE);
     m_sashCursorNS = new wxCursor(wxCURSOR_SIZENS);
+    m_mouseCaptured = FALSE;
+    m_currentCursor = NULL;
 
     // Eventually, we'll respond to colour change messages
     InitColours();
 }
 
-wxSashWindow::~wxSashWindow()
-{
-    delete m_sashCursorWE;
-    delete m_sashCursorNS;
-}
-
 void wxSashWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
     wxPaintDC dc(this);
 
-    //    if ( m_borderSize > 0 )
     DrawBorders(dc);
-
     DrawSashes(dc);
 }
 
@@ -110,20 +102,13 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
 
     wxSashEdgePosition sashHit = SashHitTest(x, y);
 
-    // reset the cursor
-#ifdef __WXMOTIF__
-    SetCursor(* wxSTANDARD_CURSOR);
-#endif
-#ifdef __WXMSW__
-    SetCursor(wxCursor());
-#endif
-
     if (event.LeftDown())
     {
+        CaptureMouse();
+        m_mouseCaptured = TRUE;
+
         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
@@ -145,12 +130,32 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
             m_draggingEdge = sashHit;
             m_firstX = x;
             m_firstY = y;
+
+            if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) )
+            {
+                if (m_currentCursor != m_sashCursorWE)
+                {
+                    SetCursor(*m_sashCursorWE);
+                }
+                m_currentCursor = m_sashCursorWE;
+            }
+            else
+            {
+                if (m_currentCursor != m_sashCursorNS)
+                {
+                    SetCursor(*m_sashCursorNS);
+                }
+                m_currentCursor = m_sashCursorNS;
+            }
         }
     }
     else if ( event.LeftUp() && m_dragMode == wxSASH_DRAG_LEFT_DOWN )
     {
         // Wasn't a proper drag
-        ReleaseMouse();
+        if (m_mouseCaptured)
+            ReleaseMouse();
+        m_mouseCaptured = FALSE;
+
         wxScreenDC::EndDrawingOnTop();
         m_dragMode = wxSASH_DRAG_NONE;
         m_draggingEdge = wxSASH_NONE;
@@ -159,7 +164,10 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
     {
         // We can stop dragging now and see what we've got.
         m_dragMode = wxSASH_DRAG_NONE;
-        ReleaseMouse();
+        if (m_mouseCaptured)
+            ReleaseMouse();
+        m_mouseCaptured = FALSE;
+
         // Erase old tracker
         DrawSashTracker(m_draggingEdge, m_oldX, m_oldY);
 
@@ -277,6 +285,12 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
         event.SetDragRect(dragRect);
         GetEventHandler()->ProcessEvent(event);
     }
+    else if ( event.LeftUp() )
+    {
+        if (m_mouseCaptured)
+           ReleaseMouse();
+        m_mouseCaptured = FALSE;
+    }
     else if (event.Moving() && !event.Dragging())
     {
         // Just change the cursor if required
@@ -284,13 +298,26 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
         {
             if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) )
             {
-                SetCursor(*m_sashCursorWE);
+                if (m_currentCursor != m_sashCursorWE)
+                {
+                    SetCursor(*m_sashCursorWE);
+                }
+                m_currentCursor = m_sashCursorWE;
             }
             else
             {
-                SetCursor(*m_sashCursorNS);
+                if (m_currentCursor != m_sashCursorNS)
+                {
+                    SetCursor(*m_sashCursorNS);
+                }
+                m_currentCursor = m_sashCursorNS;
             }
         }
+        else
+        {
+            SetCursor(wxNullCursor);
+            m_currentCursor = NULL;
+        }
     }
     else if ( event.Dragging() &&
               ((m_dragMode == wxSASH_DRAG_DRAGGING) ||
@@ -298,11 +325,19 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
     {
         if ( (m_draggingEdge == wxSASH_LEFT) || (m_draggingEdge == wxSASH_RIGHT) )
         {
-            SetCursor(*m_sashCursorWE);
+            if (m_currentCursor != m_sashCursorWE)
+            {
+                SetCursor(*m_sashCursorWE);
+            }
+            m_currentCursor = m_sashCursorWE;
         }
         else
         {
-            SetCursor(*m_sashCursorNS);
+            if (m_currentCursor != m_sashCursorNS)
+            {
+                SetCursor(*m_sashCursorNS);
+            }
+            m_currentCursor = m_sashCursorNS;
         }
 
         if (m_dragMode == wxSASH_DRAG_LEFT_DOWN)
@@ -398,7 +433,7 @@ void wxSashWindow::DrawBorders(wxDC& dc)
     wxPen lightShadowPen(m_lightShadowColour, 1, wxSOLID);
     wxPen hilightPen(m_hilightColour, 1, wxSOLID);
 
-    if ( GetWindowStyleFlag() & wxSW_3D )
+    if ( GetWindowStyleFlag() & wxSW_3DBORDER )
     {
         dc.SetPen(mediumShadowPen);
         dc.DrawLine(0, 0, w-1, 0);
@@ -463,20 +498,20 @@ void wxSashWindow::DrawSash(wxSashEdgePosition edge, wxDC& dc)
         dc.SetBrush(faceBrush);
         dc.DrawRectangle(sashPosition, 0, GetEdgeMargin(edge), h);
 
-        if (GetWindowStyleFlag() & wxSW_3D)
+        if (GetWindowStyleFlag() & wxSW_3DSASH)
         {
             if (edge == wxSASH_LEFT)
             {
-                // Draw a black line on the left to indicate that the
+                // Draw a dark grey line on the left to indicate that the
                 // sash is raised
-                dc.SetPen(blackPen);
+                dc.SetPen(mediumShadowPen);
                 dc.DrawLine(GetEdgeMargin(edge), 0, GetEdgeMargin(edge), h);
             }
             else
             {
-                // Draw a white line on the right to indicate that the
+                // Draw a highlight line on the right to indicate that the
                 // sash is raised
-                dc.SetPen(whitePen);
+                dc.SetPen(hilightPen);
                 dc.DrawLine(w - GetEdgeMargin(edge), 0, w - GetEdgeMargin(edge), h);
             }
         }
@@ -493,21 +528,21 @@ void wxSashWindow::DrawSash(wxSashEdgePosition edge, wxDC& dc)
         dc.SetBrush(faceBrush);
         dc.DrawRectangle(0, sashPosition, w, GetEdgeMargin(edge));
 
-        if (GetWindowStyleFlag() & wxSW_3D)
+        if (GetWindowStyleFlag() & wxSW_3DSASH)
         {
             if (edge == wxSASH_BOTTOM)
             {
-                // Draw a black line on the bottom to indicate that the
+                // Draw a highlight line on the bottom to indicate that the
                 // sash is raised
-                dc.SetPen(blackPen);
+                dc.SetPen(hilightPen);
                 dc.DrawLine(0, h - GetEdgeMargin(edge), w, h - GetEdgeMargin(edge));
             }
             else
             {
-                // Draw a white line on the top to indicate that the
+                // Draw a drak grey line on the top to indicate that the
                 // sash is raised
-                dc.SetPen(whitePen);
-                dc.DrawLine(0, GetEdgeMargin(edge), w, GetEdgeMargin(edge));
+                dc.SetPen(mediumShadowPen);
+                dc.DrawLine(1, GetEdgeMargin(edge), w-1, GetEdgeMargin(edge));
             }
         }
     }
@@ -582,9 +617,9 @@ void wxSashWindow::SizeWindows()
     int cw, ch;
     GetClientSize(&cw, &ch);
 
-    if (GetChildren().Number() == 1)
+    if (GetChildren().GetCount() == 1)
     {
-        wxWindow* child = (wxWindow*) (GetChildren().First()->Data());
+        wxWindow* child = GetChildren().GetFirst()->GetData();
 
         int x = 0;
         int y = 0;
@@ -623,7 +658,7 @@ void wxSashWindow::SizeWindows()
 
         child->SetSize(x, y, width, height);
     }
-    else if (GetChildren().Number() > 1)
+    else if (GetChildren().GetCount() > 1)
     {
         // Perhaps multiple children are themselves sash windows.
         // TODO: this doesn't really work because the subwindows sizes/positions
@@ -643,12 +678,12 @@ void wxSashWindow::SizeWindows()
 void wxSashWindow::InitColours()
 {
     // Shadow colours
-#if defined(__WIN95__)
-    m_faceColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
-    m_mediumShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW);
-    m_darkShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW);
-    m_lightShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT);
-    m_hilightColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT);
+#ifndef __WIN16__
+    m_faceColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+    m_mediumShadowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
+    m_darkShadowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW);
+    m_lightShadowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
+    m_hilightColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT);
 #else
     m_faceColour = *(wxTheColourDatabase->FindColour("LIGHT GREY"));
     m_mediumShadowColour = *(wxTheColourDatabase->FindColour("GREY"));
@@ -667,4 +702,23 @@ void wxSashWindow::SetSashVisible(wxSashEdgePosition edge, bool sash)
         m_sashes[edge].m_margin = 0;
 }
 
+#if defined( __WXMSW__ ) || defined( __WXMAC__)
+
+// this is currently called (and needed) under MSW only...
+void wxSashWindow::OnSetCursor(wxSetCursorEvent& event)
+{
+    // if we don't do it, the resizing cursor might be set for child window:
+    // and like this we explicitly say that our cursor should not be used for
+    // children windows which overlap us
+
+    if ( SashHitTest(event.GetX(), event.GetY()) != wxSASH_NONE)
+    {
+        // default processing is ok
+        event.Skip();
+    }
+    //else: do nothing, in particular, don't call Skip()
+}
+
+#endif // wxMSW
+
 #endif // wxUSE_SASH