Split this out from other changes to keep things sane..

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

diff --git a/src/generic/dragimgg.cpp b/src/generic/dragimgg.cpp
index 37071c5a036147f30c58c513f0b87c5206f5450f..8e89afe82318693ad26a052c3238ceaa5629a62e 100644 (file)
--- a/src/generic/dragimgg.cpp
+++ b/src/generic/dragimgg.cpp
@@ -28,6 +28,8 @@
 #pragma hdrstop
 #endif
 
+#if wxUSE_DRAGIMAGE
+
 #ifndef WX_PRECOMP
 #include <stdio.h>
 #include "wx/setup.h"
@@ -94,44 +96,41 @@ void wxGenericDragImage::Init()
 ////////////////////////////////////////////////////////////////////////////
 
 // Create a drag image with a virtual image (need to override DoDrawImage, GetImageRect)
-bool wxGenericDragImage::Create(const wxCursor& cursor, const wxPoint& hotspot)
+bool wxGenericDragImage::Create(const wxCursor& cursor)
 {
     m_cursor = cursor;
-    m_hotspot = hotspot;
 
     return TRUE;
 }
 
 // Create a drag image from a bitmap and optional cursor
-bool wxGenericDragImage::Create(const wxBitmap& image, const wxCursor& cursor, const wxPoint& hotspot)
+bool wxGenericDragImage::Create(const wxBitmap& image, const wxCursor& cursor)
 {
     // We don't have to combine the cursor explicitly since we simply show the cursor
     // as we drag. This currently will only work within one window.
 
     m_cursor = cursor;
-    m_hotspot = hotspot;
     m_bitmap = image;
 
     return TRUE ;
 }
 
 // Create a drag image from an icon and optional cursor
-bool wxGenericDragImage::Create(const wxIcon& image, const wxCursor& cursor, const wxPoint& hotspot)
+bool wxGenericDragImage::Create(const wxIcon& image, const wxCursor& cursor)
 {
     // We don't have to combine the cursor explicitly since we simply show the cursor
     // as we drag. This currently will only work within one window.
 
     m_cursor = cursor;
-    m_hotspot = hotspot;
     m_icon = image;
 
     return TRUE ;
 }
 
 // Create a drag image from a string and optional cursor
-bool wxGenericDragImage::Create(const wxString& str, const wxCursor& cursor, const wxPoint& hotspot)
+bool wxGenericDragImage::Create(const wxString& str, const wxCursor& cursor)
 {
-    wxFont font(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+    wxFont font(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 
     long w, h;
     wxScreenDC dc;
@@ -140,12 +139,12 @@ bool wxGenericDragImage::Create(const wxString& str, const wxCursor& cursor, con
     dc.SetFont(wxNullFont);
 
     wxMemoryDC dc2;
-    dc2.SetFont(font);
 
     // Sometimes GetTextExtent isn't accurate enough, so make it longer
     wxBitmap bitmap((int) ((w+2) * 1.5), (int) h+2);
     dc2.SelectObject(bitmap);
 
+    dc2.SetFont(font);
     dc2.SetBackground(* wxWHITE_BRUSH);
     dc2.Clear();
     dc2.SetBackgroundMode(wxTRANSPARENT);
@@ -165,12 +164,12 @@ bool wxGenericDragImage::Create(const wxString& str, const wxCursor& cursor, con
 
 #if wxUSE_IMAGE_IN_DRAGIMAGE
     // Make the bitmap masked
-    wxImage image(bitmap);
+    wxImage image = bitmap.ConvertToImage();
     image.SetMaskColour(255, 255, 255);
-    bitmap = image.ConvertToBitmap();
+    bitmap = wxBitmap(image);
 #endif
 
-    return Create(bitmap, cursor, hotspot);
+    return Create(bitmap, cursor);
 }
 
 // Create a drag image for the given tree control item
@@ -251,7 +250,9 @@ bool wxGenericDragImage::BeginDrag(const wxPoint& hotspot,
         (*backing) = wxBitmap(clientSize.x, clientSize.y);
 
     if (!m_fullScreen)
+    {
         m_windowDC = new wxClientDC(window);
+    }
     else
     {
         m_windowDC = new wxScreenDC;
@@ -294,7 +295,13 @@ bool wxGenericDragImage::EndDrag()
 {
     if (m_window)
     {
-        m_window->ReleaseMouse();
+#ifdef __WXMSW__
+        // Under Windows we can be pretty sure this test will give
+        // the correct results
+        if (wxWindow::GetCapture() == m_window)
+#endif
+            m_window->ReleaseMouse();
+
         if (m_cursor.Ok() && m_oldCursor.Ok())
         {
             m_window->SetCursor(m_oldCursor);
@@ -319,15 +326,19 @@ bool wxGenericDragImage::Move(const wxPoint& pt)
 {
     wxASSERT_MSG( (m_windowDC != (wxDC*) NULL), wxT("No window DC in wxGenericDragImage::Move()") );
 
+    wxPoint pt2(pt);
+    if (m_fullScreen)
+        pt2 = m_window->ClientToScreen(pt);
+
     // Erase at old position, then show at the current position
     wxPoint oldPos = m_position;
 
     bool eraseOldImage = (m_isDirty && m_isShown);
     
     if (m_isShown)
-        RedrawImage(oldPos - m_offset, pt - m_offset, eraseOldImage, TRUE);
+        RedrawImage(oldPos - m_offset, pt2 - m_offset, eraseOldImage, TRUE);
 
-    m_position = pt;
+    m_position = pt2;
 
     if (m_isShown)
         m_isDirty = TRUE;
@@ -367,7 +378,8 @@ bool wxGenericDragImage::Show()
 bool wxGenericDragImage::UpdateBackingFromWindow(wxDC& windowDC, wxMemoryDC& destDC,
     const wxRect& sourceRect, const wxRect& destRect) const
 {
-    return destDC.Blit(destRect.x, destRect.y, destRect.width, destRect.height, & windowDC, sourceRect.x, sourceRect.y);
+    return destDC.Blit(destRect.x, destRect.y, destRect.width, destRect.height, & windowDC,
+        sourceRect.x, sourceRect.y);
 }
 
 bool wxGenericDragImage::Hide()
@@ -497,3 +509,4 @@ wxRect wxGenericDragImage::GetImageRect(const wxPoint& pos) const
     }
 }
 
+#endif // wxUSE_DRAGIMAGE