Move code removing "-psn_xxx" command line arguments to common code.

[wxWidgets.git] / src / gtk / cursor.cpp

diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp
index 01a469f84fa8609c332861c9f41948f858b2fa9d..aab088f64adfd62207dd2a0ab52952e1b0ef9f27 100644 (file)
--- a/src/gtk/cursor.cpp
+++ b/src/gtk/cursor.cpp
@@ -1,172 +1,375 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        cursor.cpp
-// Purpose:
+// Name:        src/gtk/cursor.cpp
+// Purpose:     wxCursor implementation

 // Author:      Robert Roebling
 // Author:      Robert Roebling

-// Id:          $Id$

 // Copyright:   (c) 1998 Robert Roebling
 // Copyright:   (c) 1998 Robert Roebling

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-
-#ifdef __GNUG__
-#pragma implementation "cursor.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #include "wx/cursor.h"
 
 
 #include "wx/cursor.h"
 

+#ifndef WX_PRECOMP
+    #include "wx/window.h"
+    #include "wx/image.h"
+    #include "wx/bitmap.h"
+    #include "wx/log.h"
+#endif // WX_PRECOMP
+
+#include <gtk/gtk.h>
+#include "wx/gtk/private/object.h"
+#include "wx/gtk/private/gtk2-compat.h"
+

 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

-// wxCursor
+// wxCursorRefData

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-class wxCursorRefData: public wxObjectRefData
+class wxCursorRefData: public wxGDIRefData

 {
 {

-  public:
-  
-    wxCursorRefData(void);
-    ~wxCursorRefData(void);
-  
+public:
+    wxCursorRefData();
+    virtual ~wxCursorRefData();
+
+    virtual bool IsOk() const { return m_cursor != NULL; }
+

     GdkCursor *m_cursor;
     GdkCursor *m_cursor;

+
+private:
+    // There is no way to copy m_cursor so we can't implement a copy ctor
+    // properly.
+    wxDECLARE_NO_COPY_CLASS(wxCursorRefData);

 };
 
 };
 

-wxCursorRefData::wxCursorRefData(void)
+wxCursorRefData::wxCursorRefData()

 {
 {

-  m_cursor = (GdkCursor *) NULL;
+    m_cursor = NULL;

 }
 
 }
 

-wxCursorRefData::~wxCursorRefData(void)
+wxCursorRefData::~wxCursorRefData()

 {
 {

-  if (m_cursor) gdk_cursor_destroy( m_cursor );
+    if (m_cursor)
+    {
+#ifdef __WXGTK3__
+        g_object_unref(m_cursor);
+#else
+        gdk_cursor_unref(m_cursor);
+#endif
+    }

 }
 
 }
 

+//-----------------------------------------------------------------------------
+// wxCursor

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-#define M_CURSORDATA ((wxCursorRefData *)m_refData)
+#define M_CURSORDATA static_cast<wxCursorRefData*>(m_refData)

 
 

-IMPLEMENT_DYNAMIC_CLASS(wxCursor,wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxCursor, wxGDIObject)

 
 

-wxCursor::wxCursor(void)
+// used in the following two ctors
+extern GtkWidget *wxGetRootWindow();
+
+wxCursor::wxCursor()

 {
 }
 
 {
 }
 

-wxCursor::wxCursor( int cursorId )
+#if wxUSE_IMAGE
+wxCursor::wxCursor(const wxString& cursor_file,
+                   wxBitmapType type,
+                   int hotSpotX, int hotSpotY)

 {
 {

-  m_refData = new wxCursorRefData();
-  
-  GdkCursorType gdk_cur = GDK_LEFT_PTR;
-  switch (cursorId)
-  {
-    case wxCURSOR_HAND:       gdk_cur = GDK_HAND1; break;
-    case wxCURSOR_CROSS:      gdk_cur = GDK_CROSSHAIR; break;
-    case wxCURSOR_SIZEWE:     gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
-    case wxCURSOR_SIZENS:     gdk_cur = GDK_SB_V_DOUBLE_ARROW; break;
-    case wxCURSOR_WAIT:       gdk_cur = GDK_WATCH; break;
-    case wxCURSOR_WATCH:      gdk_cur = GDK_WATCH; break;
-    case wxCURSOR_SIZING:     gdk_cur = GDK_SIZING; break;
-    case wxCURSOR_SPRAYCAN:   gdk_cur = GDK_SPRAYCAN; break;
-    case wxCURSOR_IBEAM:      gdk_cur = GDK_XTERM; break;
-    case wxCURSOR_PENCIL:     gdk_cur = GDK_PENCIL; break;
-    case wxCURSOR_NO_ENTRY:   gdk_cur = GDK_PIRATE; break;
-  }
-  
-  M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );
-  
-/*
-  do that yourself
-   
-  wxCURSOR_BULLSEYE,
-  wxCURSOR_CHAR,
-  wxCURSOR_LEFT_BUTTON,
-  wxCURSOR_MAGNIFIER,
-  wxCURSOR_MIDDLE_BUTTON,
-  wxCURSOR_NO_ENTRY,
-  wxCURSOR_PAINT_BRUSH,
-  wxCURSOR_POINT_LEFT,
-  wxCURSOR_POINT_RIGHT,
-  wxCURSOR_QUESTION_ARROW,
-  wxCURSOR_RIGHT_BUTTON,
-  wxCURSOR_SIZENESW,
-  wxCURSOR_SIZENS,
-  wxCURSOR_SIZENWSE,
-  wxCURSOR_SIZEWE,
-  wxCURSOR_BLANK
-,
-  wxCURSOR_CROSS_REVERSE,
-  wxCURSOR_DOUBLE_ARROW,
-  wxCURSOR_BASED_ARROW_UP,
-  wxCURSOR_BASED_ARROW_DOWN
-*/
-   
+    wxImage img;
+    if (!img.LoadFile(cursor_file, type))
+        return;
+
+    // eventually set the hotspot:
+    if (!img.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X))
+        img.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, hotSpotX);
+    if (!img.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y))
+        img.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, hotSpotY);
+
+    InitFromImage(img);

 }
 
 }
 

-wxCursor::wxCursor( const wxCursor &cursor )
+wxCursor::wxCursor(const wxImage& img)

 {
 {

-  Ref( cursor );
+    InitFromImage(img);

 }
 }

+#endif

 
 

-wxCursor::wxCursor( const wxCursor *cursor )
+wxCursor::wxCursor(const char bits[], int width, int height,
+                   int hotSpotX, int hotSpotY,
+                   const char maskBits[], const wxColour *fg, const wxColour *bg)

 {
 {

-  UnRef();
-  if (cursor) Ref( *cursor );
+    m_refData = new wxCursorRefData;
+    if (hotSpotX < 0 || hotSpotX >= width)
+        hotSpotX = 0;
+    if (hotSpotY < 0 || hotSpotY >= height)
+        hotSpotY = 0;
+#ifdef __WXGTK3__
+    wxBitmap bitmap(bits, width, height);
+    if (maskBits)
+        bitmap.SetMask(new wxMask(wxBitmap(maskBits, width, height)));
+    GdkPixbuf* pixbuf = bitmap.GetPixbuf();
+    if (fg || bg)
+    {
+        const int stride = gdk_pixbuf_get_rowstride(pixbuf);
+        const int n_channels = gdk_pixbuf_get_n_channels(pixbuf);
+        guchar* data = gdk_pixbuf_get_pixels(pixbuf);
+        for (int j = 0; j < height; j++, data += stride)
+        {
+            guchar* p = data;
+            for (int i = 0; i < width; i++, p += n_channels)
+            {
+                if (p[0])
+                {
+                    if (fg)
+                    {
+                        p[0] = fg->Red();
+                        p[1] = fg->Green();
+                        p[2] = fg->Blue();
+                    }
+                }
+                else
+                {
+                    if (bg)
+                    {
+                        p[0] = bg->Red();
+                        p[1] = bg->Green();
+                        p[2] = bg->Blue();
+                    }
+                }
+            }
+        }
+    }
+    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(wxGetRootWindow()), pixbuf, hotSpotX, hotSpotY);
+#else
+    if (!maskBits)
+        maskBits = bits;
+    if (!fg)
+        fg = wxBLACK;
+    if (!bg)
+        bg = wxWHITE;
+
+    GdkBitmap* data = gdk_bitmap_create_from_data(
+        gtk_widget_get_window(wxGetRootWindow()), const_cast<char*>(bits), width, height);
+    GdkBitmap* mask = gdk_bitmap_create_from_data(
+        gtk_widget_get_window(wxGetRootWindow()), const_cast<char*>(maskBits), width, height);
+
+    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
+                 data, mask, fg->GetColor(), bg->GetColor(),
+                 hotSpotX, hotSpotY );
+
+    g_object_unref (data);
+    g_object_unref (mask);
+#endif

 }
 
 }
 

-wxCursor::~wxCursor(void)
+wxCursor::~wxCursor()

 {
 }
 
 {
 }
 

-wxCursor& wxCursor::operator = ( const wxCursor& cursor )
+void wxCursor::InitFromStock( wxStockCursor cursorId )

 {
 {

-  if (*this == cursor) return (*this); 
-  Ref( cursor ); 
-  return *this; 
+    m_refData = new wxCursorRefData();
+
+    GdkCursorType gdk_cur = GDK_LEFT_PTR;
+    switch (cursorId)
+    {
+#ifdef __WXGTK3__
+        case wxCURSOR_BLANK:            gdk_cur = GDK_BLANK_CURSOR; break;
+#else
+        case wxCURSOR_BLANK:
+            {
+                const char bits[] = { 0 };
+                const GdkColor color = { 0, 0, 0, 0 };
+
+                GdkPixmap *pixmap = gdk_bitmap_create_from_data(NULL, bits, 1, 1);
+                M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(pixmap,
+                                                                    pixmap,
+                                                                    &color,
+                                                                    &color,
+                                                                    0, 0);
+                g_object_unref(pixmap);
+            }
+            return;
+#endif
+        case wxCURSOR_ARROW:            // fall through to default
+        case wxCURSOR_DEFAULT:          gdk_cur = GDK_LEFT_PTR; break;
+        case wxCURSOR_RIGHT_ARROW:      gdk_cur = GDK_RIGHT_PTR; break;
+        case wxCURSOR_HAND:             gdk_cur = GDK_HAND2; break;
+        case wxCURSOR_CROSS:            gdk_cur = GDK_CROSSHAIR; break;
+        case wxCURSOR_SIZEWE:           gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
+        case wxCURSOR_SIZENS:           gdk_cur = GDK_SB_V_DOUBLE_ARROW; break;
+        case wxCURSOR_ARROWWAIT:
+        case wxCURSOR_WAIT:
+        case wxCURSOR_WATCH:            gdk_cur = GDK_WATCH; break;
+        case wxCURSOR_SIZING:           gdk_cur = GDK_SIZING; break;
+        case wxCURSOR_SPRAYCAN:         gdk_cur = GDK_SPRAYCAN; break;
+        case wxCURSOR_IBEAM:            gdk_cur = GDK_XTERM; break;
+        case wxCURSOR_PENCIL:           gdk_cur = GDK_PENCIL; break;
+        case wxCURSOR_NO_ENTRY:         gdk_cur = GDK_PIRATE; break;
+        case wxCURSOR_SIZENWSE:
+        case wxCURSOR_SIZENESW:         gdk_cur = GDK_FLEUR; break;
+        case wxCURSOR_QUESTION_ARROW:   gdk_cur = GDK_QUESTION_ARROW; break;
+        case wxCURSOR_PAINT_BRUSH:      gdk_cur = GDK_SPRAYCAN; break;
+        case wxCURSOR_MAGNIFIER:        gdk_cur = GDK_PLUS; break;
+        case wxCURSOR_CHAR:             gdk_cur = GDK_XTERM; break;
+        case wxCURSOR_LEFT_BUTTON:      gdk_cur = GDK_LEFTBUTTON; break;
+        case wxCURSOR_MIDDLE_BUTTON:    gdk_cur = GDK_MIDDLEBUTTON; break;
+        case wxCURSOR_RIGHT_BUTTON:     gdk_cur = GDK_RIGHTBUTTON; break;
+        case wxCURSOR_BULLSEYE:         gdk_cur = GDK_TARGET; break;
+
+        case wxCURSOR_POINT_LEFT:       gdk_cur = GDK_SB_LEFT_ARROW; break;
+        case wxCURSOR_POINT_RIGHT:      gdk_cur = GDK_SB_RIGHT_ARROW; break;
+/*
+        case wxCURSOR_DOUBLE_ARROW:     gdk_cur = GDK_DOUBLE_ARROW; break;
+        case wxCURSOR_CROSS_REVERSE:    gdk_cur = GDK_CROSS_REVERSE; break;
+        case wxCURSOR_BASED_ARROW_UP:   gdk_cur = GDK_BASED_ARROW_UP; break;
+        case wxCURSOR_BASED_ARROW_DOWN: gdk_cur = GDK_BASED_ARROW_DOWN; break;
+*/
+
+        default:
+            wxFAIL_MSG(wxT("unsupported cursor type"));
+            // will use the standard one
+            break;
+    }
+
+    M_CURSORDATA->m_cursor = gdk_cursor_new( gdk_cur );

 }
 
 }
 

-bool wxCursor::operator == ( const wxCursor& cursor )
+#if wxUSE_IMAGE
+
+void wxCursor::InitFromImage( const wxImage & image )

 {
 {

-  return m_refData == cursor.m_refData; 
+    const int w = image.GetWidth();
+    const int h = image.GetHeight();
+    const guchar* alpha = image.GetAlpha();
+    const bool hasMask = image.HasMask();
+    int hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X);
+    int hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y);
+    if (hotSpotX < 0 || hotSpotX > w) hotSpotX = 0;
+    if (hotSpotY < 0 || hotSpotY > h) hotSpotY = 0;
+    GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(image.GetData(), GDK_COLORSPACE_RGB, false, 8, w, h, w * 3, NULL, NULL);
+    if (alpha || hasMask)
+    {
+        guchar r = 0, g = 0, b = 0;
+        if (hasMask)
+        {
+            r = image.GetMaskRed();
+            g = image.GetMaskGreen();
+            b = image.GetMaskBlue();
+        }
+        GdkPixbuf* pixbuf0 = pixbuf;
+        pixbuf = gdk_pixbuf_add_alpha(pixbuf, hasMask, r, g, b);
+        g_object_unref(pixbuf0);
+        if (alpha)
+        {
+            guchar* d = gdk_pixbuf_get_pixels(pixbuf);
+            const int stride = gdk_pixbuf_get_rowstride(pixbuf);
+            for (int j = 0; j < h; j++, d += stride)
+                for (int i = 0; i < w; i++, alpha++)
+                    if (d[4 * i + 3])
+                        d[4 * i + 3] = *alpha;
+        }
+    }
+    m_refData = new wxCursorRefData;
+    M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(wxGetRootWindow()), pixbuf, hotSpotX, hotSpotY);
+    g_object_unref(pixbuf);

 }
 
 }
 

-bool wxCursor::operator != ( const wxCursor& cursor )
+#endif // wxUSE_IMAGE
+
+GdkCursor *wxCursor::GetCursor() const

 {
 {

-  return m_refData != cursor.m_refData; 
+    return M_CURSORDATA->m_cursor;

 }
 
 }
 

-bool wxCursor::Ok(void) const
+wxGDIRefData *wxCursor::CreateGDIRefData() const

 {
 {

-  return (m_refData != NULL);
+    return new wxCursorRefData;

 }
 
 }
 

-GdkCursor *wxCursor::GetCursor(void) const
+wxGDIRefData *
+wxCursor::CloneGDIRefData(const wxGDIRefData * WXUNUSED(data)) const

 {
 {

-  return M_CURSORDATA->m_cursor;
+    // TODO: We can't clone GDK cursors at the moment. To do this we'd need
+    //       to remember the original data from which the cursor was created
+    //       (i.e. standard cursor type or the bitmap) or use
+    //       gdk_cursor_get_cursor_type() (which is in 2.22+ only) and
+    //       gdk_cursor_get_image().
+    wxFAIL_MSG( wxS("Cloning cursors is not implemented in wxGTK.") );
+
+    return new wxCursorRefData;

 }
 
 //-----------------------------------------------------------------------------
 // busy cursor routines
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // busy cursor routines
 //-----------------------------------------------------------------------------
 

-bool g_isBusy = FALSE;
+/* Current cursor, in order to hang on to
+ * cursor handle when setting the cursor globally */
+wxCursor g_globalCursor;
+
+static wxCursor  gs_savedCursor;
+static int       gs_busyCount = 0;

 
 

-void wxEndBusyCursor(void)
+const wxCursor &wxBusyCursor::GetStoredCursor()

 {
 {

-  g_isBusy = FALSE;
+    return gs_savedCursor;

 }
 
 }
 

-void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
+const wxCursor wxBusyCursor::GetBusyCursor()

 {
 {

-  g_isBusy = TRUE;
+    return wxCursor(wxCURSOR_WATCH);

 }
 
 }
 

-bool wxIsBusy(void)
+static void UpdateCursors(GdkDisplay** display)

 {
 {

-  return g_isBusy;
+    wxWindowList::const_iterator i = wxTopLevelWindows.begin();
+    for (size_t n = wxTopLevelWindows.size(); n--; ++i)
+    {
+        wxWindow* win = *i;
+        win->GTKUpdateCursor();
+        if (display && *display == NULL && win->m_widget)
+            *display = gtk_widget_get_display(win->m_widget);
+    }

 }
 
 }
 

-void wxSetCursor( const wxCursor& cursor )
+void wxEndBusyCursor()

 {
 {

-  extern wxCursor *g_globalCursor;
-  if (g_globalCursor) (*g_globalCursor) = cursor;
+    if (--gs_busyCount > 0)
+        return;

 
 

-  if (cursor.Ok()) {}
+    g_globalCursor = gs_savedCursor;
+    gs_savedCursor = wxNullCursor;
+    UpdateCursors(NULL);

 }
 
 }
 

+void wxBeginBusyCursor(const wxCursor* cursor)
+{
+    if (gs_busyCount++ > 0)
+        return;
+
+    wxASSERT_MSG( !gs_savedCursor.IsOk(),
+                  wxT("forgot to call wxEndBusyCursor, will leak memory") );

 
 

+    gs_savedCursor = g_globalCursor;
+    g_globalCursor = *cursor;
+    GdkDisplay* display = NULL;
+    UpdateCursors(&display);
+    if (display)
+        gdk_display_flush(display);
+}
+
+bool wxIsBusy()
+{
+    return gs_busyCount > 0;
+}
+
+void wxSetCursor( const wxCursor& cursor )
+{
+    g_globalCursor = cursor;
+    UpdateCursors(NULL);
+}