Don't complain under MicroWindows if a wxDC's HDC is NULL - it happens

[wxWidgets.git] / src / generic / sashwin.cpp

diff --git a/src/generic/sashwin.cpp b/src/generic/sashwin.cpp
index a443cc9f07456f1f2ba4bd5b7ebbce0c83025134..693e74f1a40aa7449f027605f6530fb356ac3dbf 100644 (file)
--- a/src/generic/sashwin.cpp
+++ b/src/generic/sashwin.cpp
@@ -22,12 +22,12 @@
 #pragma hdrstop
 #endif
 
+#if wxUSE_SASH
+
 #ifndef WX_PRECOMP
 #include "wx/wx.h"
 #endif
 
-#if wxUSE_SASH
-
 #include <math.h>
 #include <stdlib.h>
 
@@ -36,6 +36,8 @@
 #include "wx/sashwin.h"
 #include "wx/laywin.h"
 
+DEFINE_EVENT_TYPE(wxEVT_SASH_DRAGGED)
+
 IMPLEMENT_DYNAMIC_CLASS(wxSashWindow, wxWindow)
 IMPLEMENT_DYNAMIC_CLASS(wxSashEvent, wxCommandEvent)
 
@@ -45,28 +47,19 @@ BEGIN_EVENT_TABLE(wxSashWindow, wxWindow)
     EVT_MOUSE_EVENTS(wxSashWindow::OnMouseEvent)
 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;
@@ -82,17 +75,12 @@ 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;
 
     // 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);
@@ -111,16 +99,18 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
     wxSashEdgePosition sashHit = SashHitTest(x, y);
 
     // reset the cursor
-#ifdef __WXMOTIF__
-    SetCursor(* wxSTANDARD_CURSOR);
+#if defined(__WXMOTIF__) || defined(__WXGTK__)
+    // Not necessary and in fact inhibits proper cursor setting (JACS 8/2000)
+    //SetCursor(* wxSTANDARD_CURSOR);
 #endif
 #ifdef __WXMSW__
-    SetCursor(wxCursor());
+    SetCursor(wxNullCursor);
 #endif
 
     if (event.LeftDown())
     {
         CaptureMouse();
+        m_mouseCaptured = TRUE;
 
         if ( sashHit != wxSASH_NONE )
         {
@@ -159,7 +149,10 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
     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;
@@ -168,7 +161,10 @@ 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);
 
@@ -288,7 +284,9 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
     }
     else if ( event.LeftUp() )
     {
-        ReleaseMouse();
+        if (m_mouseCaptured)
+           ReleaseMouse();
+        m_mouseCaptured = FALSE;
     }
     else if (event.Moving() && !event.Dragging())
     {
@@ -304,6 +302,10 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
                 SetCursor(*m_sashCursorNS);
             }
         }
+        else
+        {
+            SetCursor(wxNullCursor);
+        }
     }
     else if ( event.Dragging() &&
               ((m_dragMode == wxSASH_DRAG_DRAGGING) ||
@@ -411,7 +413,7 @@ 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);
@@ -476,7 +478,7 @@ 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)
             {
@@ -487,9 +489,9 @@ void wxSashWindow::DrawSash(wxSashEdgePosition edge, wxDC& dc)
             }
             else
             {
-                // Draw a light grey line on the right to indicate that the
+                // Draw a highlight line on the right to indicate that the
                 // sash is raised
-                dc.SetPen(lightShadowPen);
+                dc.SetPen(hilightPen);
                 dc.DrawLine(w - GetEdgeMargin(edge), 0, w - GetEdgeMargin(edge), h);
             }
         }
@@ -506,13 +508,13 @@ 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 light grey line on the bottom to indicate that the
+                // Draw a highlight line on the bottom to indicate that the
                 // sash is raised
-                dc.SetPen(lightShadowPen);
+                dc.SetPen(hilightPen);
                 dc.DrawLine(0, h - GetEdgeMargin(edge), w, h - GetEdgeMargin(edge));
             }
             else
@@ -520,7 +522,7 @@ void wxSashWindow::DrawSash(wxSashEdgePosition edge, wxDC& dc)
                 // Draw a drak grey line on the top to indicate that the
                 // sash is raised
                 dc.SetPen(mediumShadowPen);
-                dc.DrawLine(1, GetEdgeMargin(edge), w, GetEdgeMargin(edge));
+                dc.DrawLine(1, GetEdgeMargin(edge), w-1, GetEdgeMargin(edge));
             }
         }
     }
@@ -656,7 +658,7 @@ void wxSashWindow::SizeWindows()
 void wxSashWindow::InitColours()
 {
     // Shadow colours
-#if defined(__WIN95__)
+#ifndef __WIN16__
     m_faceColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
     m_mediumShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW);
     m_darkShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW);