X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/69a5bc231ac8112dcce8947c020add2d34c1be61..4385e702963373bf015f5a9dbad95c9b9c2e0809:/src/generic/dragimgg.cpp diff --git a/src/generic/dragimgg.cpp b/src/generic/dragimgg.cpp index 7ea5a4fabc..6e3fbad8be 100644 --- a/src/generic/dragimgg.cpp +++ b/src/generic/dragimgg.cpp @@ -69,13 +69,13 @@ void wxGenericDragImage::Init() { m_isDirty = false; m_isShown = false; - m_windowDC = (wxDC*) NULL; - m_window = (wxWindow*) NULL; + m_windowDC = NULL; + m_window = NULL; m_fullScreen = false; #ifdef wxHAS_NATIVE_OVERLAY m_dcOverlay = NULL; #else - m_pBackingBitmap = (wxBitmap*) NULL; + m_pBackingBitmap = NULL; #endif } @@ -172,7 +172,7 @@ bool wxGenericDragImage::Create(const wxString& str, const wxCursor& cursor) { wxFont font(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); - long w = 0, h = 0; + wxCoord w = 0, h = 0; wxScreenDC dc; dc.SetFont(font); dc.GetTextExtent(str, & w, & h); @@ -187,7 +187,7 @@ bool wxGenericDragImage::Create(const wxString& str, const wxCursor& cursor) dc2.SetFont(font); dc2.SetBackground(* wxWHITE_BRUSH); dc2.Clear(); - dc2.SetBackgroundMode(wxTRANSPARENT); + dc2.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT); dc2.SetTextForeground(* wxLIGHT_GREY); dc2.DrawText(str, 0, 0); dc2.DrawText(str, 1, 0); @@ -236,7 +236,7 @@ bool wxGenericDragImage::BeginDrag(const wxPoint& hotspot, bool fullScreen, wxRect* rect) { - wxASSERT_MSG( (window != 0), wxT("Window must not be null in BeginDrag.")); + wxCHECK_MSG( window, false, wxT("Window must not be null in BeginDrag.")); // The image should be offset by this amount m_offset = hotspot; @@ -249,17 +249,14 @@ bool wxGenericDragImage::BeginDrag(const wxPoint& hotspot, m_isDirty = false; m_isDirty = false; - if (window) + if (m_cursor.IsOk()) { - window->CaptureMouse(); - - if (m_cursor.Ok()) - { - m_oldCursor = window->GetCursor(); - window->SetCursor(m_cursor); - } + m_oldCursor = window->GetCursor(); + window->SetCursor(m_cursor); } + window->CaptureMouse(); + // Make a copy of the window so we can repair damage done as the image is // dragged. @@ -291,7 +288,7 @@ bool wxGenericDragImage::BeginDrag(const wxPoint& hotspot, #ifndef wxHAS_NATIVE_OVERLAY wxBitmap* backing = (m_pBackingBitmap ? m_pBackingBitmap : (wxBitmap*) & m_backingBitmap); - if (!backing->Ok() || (backing->GetWidth() < clientSize.x || backing->GetHeight() < clientSize.y)) + if (!backing->IsOk() || (backing->GetWidth() < clientSize.x || backing->GetHeight() < clientSize.y)) (*backing) = wxBitmap(clientSize.x, clientSize.y); #endif // !wxHAS_NATIVE_OVERLAY @@ -348,7 +345,7 @@ bool wxGenericDragImage::EndDrag() #endif m_window->ReleaseMouse(); - if (m_cursor.Ok() && m_oldCursor.Ok()) + if (m_cursor.IsOk() && m_oldCursor.IsOk()) { m_window->SetCursor(m_oldCursor); } @@ -361,8 +358,7 @@ bool wxGenericDragImage::EndDrag() #else m_windowDC->DestroyClippingRegion(); #endif - delete m_windowDC; - m_windowDC = (wxDC*) NULL; + wxDELETE(m_windowDC); } #ifndef wxHAS_NATIVE_OVERLAY @@ -376,7 +372,7 @@ bool wxGenericDragImage::EndDrag() // is non-NULL, or in screen coordinates if NULL. bool wxGenericDragImage::Move(const wxPoint& pt) { - wxASSERT_MSG( (m_windowDC != (wxDC*) NULL), wxT("No window DC in wxGenericDragImage::Move()") ); + wxASSERT_MSG( (m_windowDC != NULL), wxT("No window DC in wxGenericDragImage::Move()") ); wxPoint pt2(pt); if (m_fullScreen) @@ -400,7 +396,7 @@ bool wxGenericDragImage::Move(const wxPoint& pt) bool wxGenericDragImage::Show() { - wxASSERT_MSG( (m_windowDC != (wxDC*) NULL), wxT("No window DC in wxGenericDragImage::Show()") ); + wxASSERT_MSG( (m_windowDC != NULL), wxT("No window DC in wxGenericDragImage::Show()") ); // Show at the current position @@ -438,7 +434,7 @@ bool wxGenericDragImage::UpdateBackingFromWindow(wxDC& windowDC, wxMemoryDC& des bool wxGenericDragImage::Hide() { - wxASSERT_MSG( (m_windowDC != (wxDC*) NULL), wxT("No window DC in wxGenericDragImage::Hide()") ); + wxASSERT_MSG( (m_windowDC != NULL), wxT("No window DC in wxGenericDragImage::Hide()") ); // Repair the old position @@ -454,13 +450,16 @@ bool wxGenericDragImage::Hide() } // More efficient: erase and redraw simultaneously if possible -bool wxGenericDragImage::RedrawImage(const wxPoint& oldPos, const wxPoint& newPos, +bool wxGenericDragImage::RedrawImage(const wxPoint& oldPos, + const wxPoint& newPos, bool eraseOld, bool drawNew) { if (!m_windowDC) return false; #ifdef wxHAS_NATIVE_OVERLAY + wxUnusedVar(oldPos); + wxDCOverlay dcoverlay( m_overlay, (wxWindowDC*) m_windowDC ) ; if ( eraseOld ) dcoverlay.Clear() ; @@ -468,7 +467,7 @@ bool wxGenericDragImage::RedrawImage(const wxPoint& oldPos, const wxPoint& newPo DoDrawImage(*m_windowDC, newPos); #else // !wxHAS_NATIVE_OVERLAY wxBitmap* backing = (m_pBackingBitmap ? m_pBackingBitmap : (wxBitmap*) & m_backingBitmap); - if (!backing->Ok()) + if (!backing->IsOk()) return false; wxRect oldRect(GetImageRect(oldPos)); @@ -500,7 +499,7 @@ bool wxGenericDragImage::RedrawImage(const wxPoint& oldPos, const wxPoint& newPo // keep reallocating all the time. int excess = 50; - if (!m_repairBitmap.Ok() || (m_repairBitmap.GetWidth() < fullRect.GetWidth() || m_repairBitmap.GetHeight() < fullRect.GetHeight())) + if (!m_repairBitmap.IsOk() || (m_repairBitmap.GetWidth() < fullRect.GetWidth() || m_repairBitmap.GetHeight() < fullRect.GetHeight())) { m_repairBitmap = wxBitmap(fullRect.GetWidth() + excess, fullRect.GetHeight() + excess); } @@ -540,12 +539,12 @@ bool wxGenericDragImage::RedrawImage(const wxPoint& oldPos, const wxPoint& newPo // Override this if you are using a virtual image (drawing your own image) bool wxGenericDragImage::DoDrawImage(wxDC& dc, const wxPoint& pos) const { - if (m_bitmap.Ok()) + if (m_bitmap.IsOk()) { dc.DrawBitmap(m_bitmap, pos.x, pos.y, (m_bitmap.GetMask() != 0)); return true; } - else if (m_icon.Ok()) + else if (m_icon.IsOk()) { dc.DrawIcon(m_icon, pos.x, pos.y); return true; @@ -557,11 +556,11 @@ bool wxGenericDragImage::DoDrawImage(wxDC& dc, const wxPoint& pos) const // Override this if you are using a virtual image (drawing your own image) wxRect wxGenericDragImage::GetImageRect(const wxPoint& pos) const { - if (m_bitmap.Ok()) + if (m_bitmap.IsOk()) { return wxRect(pos.x, pos.y, m_bitmap.GetWidth(), m_bitmap.GetHeight()); } - else if (m_icon.Ok()) + else if (m_icon.IsOk()) { return wxRect(pos.x, pos.y, m_icon.GetWidth(), m_icon.GetHeight()); }