X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/223d09f6b523aac674ef9b72a883dfa8d37c5d4e..aa5e1f75d9cc30fccc4c5e306c584aa2db5f2c40:/src/msw/dragimag.cpp?ds=sidebyside diff --git a/src/msw/dragimag.cpp b/src/msw/dragimag.cpp index 27dc25f1b4..b5aca15c51 100644 --- a/src/msw/dragimag.cpp +++ b/src/msw/dragimag.cpp @@ -6,15 +6,24 @@ // Created: 08/04/99 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ #pragma implementation "dragimag.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" +#include "wx/msw/private.h" #ifdef __BORLANDC__ #pragma hdrstop @@ -34,30 +43,52 @@ #include "wx/log.h" #include "wx/intl.h" +#include "wx/frame.h" +#include "wx/image.h" #include "wx/msw/dragimag.h" #include "wx/msw/private.h" -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS) +#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) #include #endif -#if !USE_SHARED_LIBRARY +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- + IMPLEMENT_DYNAMIC_CLASS(wxDragImage, wxObject) -#endif + +#define GetHimageList() ((HIMAGELIST) m_hImageList) + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxDragImage ctors/dtor +// ---------------------------------------------------------------------------- wxDragImage::wxDragImage() { - m_hImageList = 0; + Init(); } wxDragImage::~wxDragImage() { - if ( m_hImageList ) - ImageList_Destroy((HIMAGELIST) m_hImageList); - m_hImageList = 0; + if ( m_hImageList ) + ImageList_Destroy(GetHimageList()); + if ( m_hCursorImageList ) + ImageList_Destroy((HIMAGELIST) m_hCursorImageList); } +void wxDragImage::Init() +{ + m_hImageList = 0; + m_hCursorImageList = 0; + m_window = (wxWindow*) NULL; + m_fullScreen = FALSE; +} // Attributes //////////////////////////////////////////////////////////////////////////// @@ -69,52 +100,81 @@ wxDragImage::~wxDragImage() // Create a drag image from a bitmap and optional cursor bool wxDragImage::Create(const wxBitmap& image, const wxCursor& cursor, const wxPoint& hotspot) { - if ( m_hImageList ) - ImageList_Destroy((HIMAGELIST) m_hImageList); - m_hImageList = 0; - - UINT flags = 0; - bool mask = TRUE; // ? - if ( mask ) - flags |= ILC_MASK; - - m_hImageList = (WXHIMAGELIST) ImageList_Create(image.GetWidth(), image.GetHeight(), flags, 1, 1); + if ( m_hImageList ) + ImageList_Destroy(GetHimageList()); + m_hImageList = 0; - HBITMAP hBitmap1 = (HBITMAP) image.GetHBITMAP(); - HBITMAP hBitmap2 = 0; - if ( image.GetMask() ) - hBitmap2 = (HBITMAP) image.GetMask()->GetMaskBitmap(); + UINT flags = 0 ; + if (image.GetDepth() <= 4) + flags = ILC_COLOR4; + else if (image.GetDepth() <= 8) + flags = ILC_COLOR8; + else if (image.GetDepth() <= 16) + flags = ILC_COLOR16; + else if (image.GetDepth() <= 24) + flags = ILC_COLOR24; + else + flags = ILC_COLOR32; + + bool mask = (image.GetMask() != 0); + if ( mask ) + flags |= ILC_MASK; + + m_hImageList = (WXHIMAGELIST) ImageList_Create(image.GetWidth(), image.GetHeight(), flags, 1, 1); + + int index; + if (!mask) + { + HBITMAP hBitmap1 = (HBITMAP) image.GetHBITMAP(); + index = ImageList_Add(GetHimageList(), hBitmap1, 0); + } + else + { + HBITMAP hBitmap1 = (HBITMAP) image.GetHBITMAP(); + HBITMAP hBitmap2 = (HBITMAP) image.GetMask()->GetMaskBitmap(); + HBITMAP hbmpMask = wxInvertMask(hBitmap2); - int index = ImageList_Add((HIMAGELIST) m_hImageList, hBitmap1, hBitmap2); - if ( index == -1 ) + index = ImageList_Add(GetHimageList(), hBitmap1, hbmpMask); + ::DeleteObject(hbmpMask); + } + if ( index == -1 ) { wxLogError(_("Couldn't add an image to the image list.")); } - m_cursor = cursor; // Can only combine with drag image after calling BeginDrag. m_hotspot = hotspot; return (index != -1) ; } - + // Create a drag image from an icon and optional cursor bool wxDragImage::Create(const wxIcon& image, const wxCursor& cursor, const wxPoint& hotspot) { - if ( m_hImageList ) - ImageList_Destroy((HIMAGELIST) m_hImageList); - m_hImageList = 0; - - UINT flags = 0; - bool mask = TRUE; // ? - if ( mask ) - flags |= ILC_MASK; - - m_hImageList = (WXHIMAGELIST) ImageList_Create(image.GetWidth(), image.GetHeight(), flags, 1, 1); - - HICON hIcon = (HICON) image.GetHICON(); + if ( m_hImageList ) + ImageList_Destroy(GetHimageList()); + m_hImageList = 0; - int index = ImageList_AddIcon((HIMAGELIST) m_hImageList, hIcon); - if ( index == -1 ) + UINT flags = 0 ; + if (image.GetDepth() <= 4) + flags = ILC_COLOR4; + else if (image.GetDepth() <= 8) + flags = ILC_COLOR8; + else if (image.GetDepth() <= 16) + flags = ILC_COLOR16; + else if (image.GetDepth() <= 24) + flags = ILC_COLOR24; + else + flags = ILC_COLOR32; + bool mask = TRUE; + if ( mask ) + flags |= ILC_MASK; + + m_hImageList = (WXHIMAGELIST) ImageList_Create(image.GetWidth(), image.GetHeight(), flags, 1, 1); + + HICON hIcon = (HICON) image.GetHICON(); + + int index = ImageList_AddIcon(GetHimageList(), hIcon); + if ( index == -1 ) { wxLogError(_("Couldn't add an image to the image list.")); } @@ -124,7 +184,7 @@ bool wxDragImage::Create(const wxIcon& image, const wxCursor& cursor, const wxPo return (index != -1) ; } - + // Create a drag image from a string and optional cursor bool wxDragImage::Create(const wxString& str, const wxCursor& cursor, const wxPoint& hotspot) { @@ -134,26 +194,42 @@ bool wxDragImage::Create(const wxString& str, const wxCursor& cursor, const wxPo wxScreenDC dc; dc.SetFont(font); dc.GetTextExtent(str, & w, & h); + dc.SetFont(wxNullFont); wxMemoryDC dc2; dc2.SetFont(font); - wxBitmap bitmap((int) w, (int) h); + wxBitmap bitmap((int) w+2, (int) h+2); dc2.SelectObject(bitmap); dc2.SetBackground(* wxWHITE_BRUSH); dc2.Clear(); + dc2.SetBackgroundMode(wxTRANSPARENT); + dc2.SetTextForeground(* wxLIGHT_GREY); dc2.DrawText(str, 0, 0); + dc2.DrawText(str, 1, 0); + dc2.DrawText(str, 2, 0); + dc2.DrawText(str, 1, 1); + dc2.DrawText(str, 2, 1); + dc2.DrawText(str, 1, 2); + dc2.DrawText(str, 2, 2); + dc2.SetTextForeground(* wxBLACK); + dc2.DrawText(str, 1, 1); dc2.SelectObject(wxNullBitmap); + // Make the bitmap masked + wxImage image(bitmap); + image.SetMaskColour(255, 255, 255); + bitmap = image.ConvertToBitmap(); + return Create(bitmap, cursor, hotspot); } // Create a drag image for the given tree control item bool wxDragImage::Create(const wxTreeCtrl& treeCtrl, wxTreeItemId& id) { - if ( m_hImageList ) - ImageList_Destroy((HIMAGELIST) m_hImageList); + if ( m_hImageList ) + ImageList_Destroy(GetHimageList()); m_hImageList = (WXHIMAGELIST) TreeView_CreateDragImage((HWND) treeCtrl.GetHWND(), (HTREEITEM) (WXHTREEITEM) id); return TRUE; } @@ -161,8 +237,8 @@ bool wxDragImage::Create(const wxTreeCtrl& treeCtrl, wxTreeItemId& id) // Create a drag image for the given list control item bool wxDragImage::Create(const wxListCtrl& listCtrl, long id) { - if ( m_hImageList ) - ImageList_Destroy((HIMAGELIST) m_hImageList); + if ( m_hImageList ) + ImageList_Destroy(GetHimageList()); POINT pt; pt.x = 0; pt.y = 0; m_hImageList = (WXHIMAGELIST) ListView_CreateDragImage((HWND) listCtrl.GetHWND(), id, & pt); @@ -170,50 +246,96 @@ bool wxDragImage::Create(const wxListCtrl& listCtrl, long id) } // Begin drag -bool wxDragImage::BeginDrag(const wxPoint& hotspot, wxWindow* WXUNUSED(window)) +bool wxDragImage::BeginDrag(const wxPoint& hotspot, wxWindow* window, bool fullScreen, wxRect* rect) { wxASSERT_MSG( (m_hImageList != 0), wxT("Image list must not be null in BeginDrag.")); + wxASSERT_MSG( (window != 0), wxT("Window must not be null in BeginDrag.")); - bool ret = (ImageList_BeginDrag((HIMAGELIST) m_hImageList, 0, hotspot.x, hotspot.y) != 0); + m_fullScreen = fullScreen; + if (rect) + m_boundingRect = * rect; - wxASSERT_MSG( (ret), wxT("BeginDrag failed.")); + bool ret = (ImageList_BeginDrag(GetHimageList(), 0, hotspot.x, hotspot.y) != 0); if (!ret) + { + wxFAIL_MSG( _T("BeginDrag failed.") ); + return FALSE; + } if (m_cursor.Ok()) { + if (!m_hCursorImageList) + { + int cxCursor = GetSystemMetrics(SM_CXCURSOR); + int cyCursor = GetSystemMetrics(SM_CYCURSOR); + + m_hCursorImageList = (WXHIMAGELIST) ImageList_Create(cxCursor, cyCursor, ILC_MASK, 1, 1); + } + // First add the cursor to the image list - int cursorIndex = ImageList_AddIcon((HIMAGELIST) m_hImageList, (HICON) m_cursor.GetHCURSOR()); + HCURSOR hCursor = (HCURSOR) m_cursor.GetHCURSOR(); + int cursorIndex = ImageList_AddIcon((HIMAGELIST) m_hCursorImageList, (HICON) hCursor); wxASSERT_MSG( (cursorIndex != -1), wxT("ImageList_AddIcon failed in BeginDrag.")); if (cursorIndex != -1) { - ImageList_SetDragCursorImage((HIMAGELIST) m_hImageList, cursorIndex, m_hotspot.x, m_hotspot.y); + ImageList_SetDragCursorImage((HIMAGELIST) m_hCursorImageList, cursorIndex, m_hotspot.x, m_hotspot.y); } } + m_window = window; ::ShowCursor(FALSE); + ::SetCapture(GetHwndOf(window)); + return TRUE; } + +// Begin drag. hotspot is the location of the drag position relative to the upper-left +// corner of the image. This is full screen only. fullScreenRect gives the +// position of the window on the screen, to restrict the drag to. +bool wxDragImage::BeginDrag(const wxPoint& hotspot, wxWindow* window, wxWindow* fullScreenRect) +{ + wxRect rect; + + int x = fullScreenRect->GetPosition().x; + int y = fullScreenRect->GetPosition().y; + wxSize sz = fullScreenRect->GetSize(); + + if (fullScreenRect->GetParent() && !fullScreenRect->IsKindOf(CLASSINFO(wxFrame))) + fullScreenRect->GetParent()->ClientToScreen(& x, & y); + + rect.x = x; rect.y = y; + rect.width = sz.x; rect.height = sz.y; + + return BeginDrag(hotspot, window, TRUE, & rect); +} + // End drag -bool wxDragImage::EndDrag(wxWindow* WXUNUSED(window)) +bool wxDragImage::EndDrag() { wxASSERT_MSG( (m_hImageList != 0), wxT("Image list must not be null in EndDrag.")); ImageList_EndDrag(); + if ( !::ReleaseCapture() ) + { + wxLogLastError("ReleaseCapture"); + } + ::ShowCursor(TRUE); + m_window = (wxWindow*) NULL; return TRUE; } - + // Move the image: call from OnMouseMove. Pt is in window client coordinates if window // is non-NULL, or in screen coordinates if NULL. -bool wxDragImage::Move(const wxPoint& pt, wxWindow* window) +bool wxDragImage::Move(const wxPoint& pt) { wxASSERT_MSG( (m_hImageList != 0), wxT("Image list must not be null in Move.")); @@ -225,26 +347,26 @@ bool wxDragImage::Move(const wxPoint& pt, wxWindow* window) return ret; } -bool wxDragImage::Show(wxWindow* window) +bool wxDragImage::Show() { wxASSERT_MSG( (m_hImageList != 0), wxT("Image list must not be null in Show.")); HWND hWnd = 0; - if (window) - hWnd = (HWND) window->GetHWND(); + if (m_window && !m_fullScreen) + hWnd = (HWND) m_window->GetHWND(); bool ret = (ImageList_DragEnter( hWnd, m_position.x, m_position.y ) != 0); return ret; } -bool wxDragImage::Hide(wxWindow* window) +bool wxDragImage::Hide() { wxASSERT_MSG( (m_hImageList != 0), wxT("Image list must not be null in Hide.")); HWND hWnd = 0; - if (window) - hWnd = (HWND) window->GetHWND(); + if (m_window && !m_fullScreen) + hWnd = (HWND) m_window->GetHWND(); bool ret = (ImageList_DragLeave( hWnd ) != 0);