Now even Julian can use wxGTK :-)

[wxWidgets.git] / src / gtk1 / dnd.cpp

diff --git a/src/gtk1/dnd.cpp b/src/gtk1/dnd.cpp
index 388df88d259b614c07165f19ce1c9751912a1cbf..d38405ec0c72283104572f54a72c807e9f3154e7 100644 (file)
--- a/src/gtk1/dnd.cpp
+++ b/src/gtk1/dnd.cpp
@@ -15,7 +15,8 @@
 #include "wx/window.h"
 #include "wx/app.h"
 #include "wx/gdicmn.h"
 #include "wx/window.h"
 #include "wx/app.h"
 #include "wx/gdicmn.h"

-#include <wx/intl.h>
+#include "wx/intl.h"
+#include "wx/utils.h"

 
 #include "gdk/gdkprivate.h"
 
 
 #include "gdk/gdkprivate.h"
 


@@ -366,8 +367,99 @@ void wxDropSource::UnregisterWindow(void)
 
 #else  // NEW_CODE
 
 
 #else  // NEW_CODE
 

-
-
+GtkWidget *shape_create_icon (char     **data,
+                             gint      x,
+                             gint      y,
+                             gint      px,
+                             gint      py,
+                             gint      window_type);
+
+/* XPM */
+static char * gv_xpm[] = {
+"40 34 3 1",
+"      s None c None",
+".     c black",
+"X     c white",
+"                                        ",
+"                                        ",
+"                  ......                ",
+"                ..XXXXXX..              ",
+"               .XXXXXXXXXX.             ",
+"              .XXXXXXXXXXXX.            ",
+"              .XXXXXXXXXXXX.            ",
+"             .XXXXXXXXXXXXXX.           ",
+"             .XXX..XXXX..XXX.           ",
+"          ....XX....XX....XX.           ",
+"         .XXX.XXX..XXXX..XXX....        ",
+"        .XXXXXXXXXXXXXXXXXXX.XXX.       ",
+"        .XXXXXXXXXXXXXXXXXXXXXXXX.      ",
+"        .XXXXXXXXXXXXXXXXXXXXXXXX.      ",
+"         ..XXXXXXXXXXXXXXXXXXXXXX.      ",
+"           .XXXXXXXXXXXXXXXXXX...       ",
+"           ..XXXXXXXXXXXXXXXX.          ",
+"            .XXXXXXXXXXXXXXXX.          ",
+"            .XXXXXXXXXXXXXXXX.          ",
+"            .XXXXXXXXXXXXXXXXX.         ",
+"            .XXXXXXXXXXXXXXXXX.         ",
+"            .XXXXXXXXXXXXXXXXXX.        ",
+"            .XXXXXXXXXXXXXXXXXXX.       ",
+"           .XXXXXXXXXXXXXXXXXXXXX.      ",
+"           .XXXXXXXXXXXXXX.XXXXXXX.     ",
+"          .XXXXXXX.XXXXXXX.XXXXXXX.     ",
+"         .XXXXXXXX.XXXXXXX.XXXXXXX.     ",
+"         .XXXXXXX...XXXXX...XXXXX.      ",
+"         .XXXXXXX.  .....   .....       ",
+"         ..XXXX..                       ",
+"           ....                         ",
+"                                        ",
+"                                        ",
+"                                        "};
+                             
+/* XPM */
+static char * page_xpm[] = {
+/* width height ncolors chars_per_pixel */
+"32 32 5 1",
+/* colors */
+"      s None  c None",
+".     c black",
+"X     c wheat",
+"o     c tan",
+"O     c #6699FF",
+/* pixels */
+"    ...................         ",
+"    .XXXXXXXXXXXXXXXXX..        ",
+"    .XXXXXXXXXXXXXXXXX.o.       ",
+"    .XXXXXXXXXXXXXXXXX.oo.      ",
+"    .XXXXXXXXXXXXXXXXX.ooo.     ",
+"    .XXXXXXXXXXXXXXXXX.oooo.    ",
+"    .XXXXXXXXXXXXXXXXX.......   ",
+"    .XXXXXOOOOOOOOOOXXXooooo.   ",
+"    .XXXXXXXXXXXXXXXXXXooooo.   ",
+"    .XXXXXOOOOOOOOOOXXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXXXOOOOOOOOOXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXXOOOOOOOOOOXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXOOOOOOOOOOXXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXXXOOOOOOOOOXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXXOOOOOOOOOOXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXOOOOOOOOOOXXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXXOOOOOOOOOOXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXOOOOOOOXXXXXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .XXXXXXXXXXXXXXXXXXXXXXX.   ",
+"    .........................   "};
+                             
+                             

 //-----------------------------------------------------------------------------
 // "drop_data_available_event"
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // "drop_data_available_event"
 //-----------------------------------------------------------------------------


@@ -382,7 +474,7 @@ static void gtk_target_callback( GtkWidget *widget,
         int y = 0;
         gdk_window_get_pointer( widget->window, &x, &y, (GdkModifierType *) NULL );
 
         int y = 0;
         gdk_window_get_pointer( widget->window, &x, &y, (GdkModifierType *) NULL );
 

-        printf( "Drop data is of type %s.\n", event->data_type );
+//        printf( "Drop data is of type %s.\n", event->data_type );

   
         target->OnDrop( x, y, (const void*)event->data, (size_t)event->data_numbytes );
     }
   
         target->OnDrop( x, y, (const void*)event->data, (size_t)event->data_numbytes );
     }


@@ -531,22 +623,56 @@ wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
 // wxDropSource
 //-------------------------------------------------------------------------
 
 // wxDropSource
 //-------------------------------------------------------------------------
 

+static void
+shape_motion (GtkWidget      *widget, 
+             GdkEventMotion */*event*/);
+             

 //-----------------------------------------------------------------------------
 // drag request
 
 void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source )
 {
 //-----------------------------------------------------------------------------
 // drag request
 
 void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source )
 {

-  printf( "Data requested for dropping.\n" );
-  
-  wxDataObject *data = source->m_data;
-  
-  size_t size = data->GetDataSize();
-  char *ptr = new char[size];
-  data->GetDataHere( ptr );
-  
-  gtk_widget_dnd_data_set( widget, event, ptr, size );
-  
-  delete ptr;
+    wxDataObject *data = source->m_data;
+
+    switch (data->GetFormat())
+    {
+        case wxDF_TEXT:
+       {
+           wxTextDataObject *text_object = (wxTextDataObject*) data;
+           
+           wxString text = text_object->GetText();
+           
+           char *s = WXSTRINGCAST text;
+           
+            gtk_widget_dnd_data_set( widget, 
+                                    event, 
+                                    (unsigned char*) s, 
+                                    (int) text.Length()+1 );
+       
+           break;
+       }
+       
+        case wxDF_FILENAME:
+       {
+           wxFileDataObject *file_object = (wxFileDataObject*) data;
+           
+           wxString text = file_object->GetFiles();
+           
+           char *s = WXSTRINGCAST text;
+           
+            gtk_widget_dnd_data_set( widget, 
+                                    event, 
+                                    (unsigned char*) s, 
+                                    (int) text.Length()+1 );
+       
+           break;
+       }
+       
+       default:
+       {
+           return;
+       }
+   }

   
   source->m_retValue = wxDragCopy;
 }
   
   source->m_retValue = wxDragCopy;
 }


@@ -601,7 +727,44 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
   wxASSERT_MSG( m_data, "wxDragSource: no data" );
   
   if (!m_data) return (wxDragResult) wxDragNone;
   wxASSERT_MSG( m_data, "wxDragSource: no data" );
   
   if (!m_data) return (wxDragResult) wxDragNone;

-  if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone;
+  
+  static GtkWidget *drag_icon = NULL;
+  static GtkWidget *drop_icon = NULL;
+
+  GdkPoint hotspot_1 = {0,-5 };
+      
+     if (!drag_icon)
+       {
+         drag_icon = shape_create_icon ( gv_xpm,
+                                        440, 140, 0,0, GTK_WINDOW_POPUP);
+         
+         gtk_signal_connect (GTK_OBJECT (drag_icon), "destroy",
+                             GTK_SIGNAL_FUNC(gtk_widget_destroyed),
+                             &drag_icon);
+
+         gtk_widget_hide (drag_icon);
+       }
+      
+  GdkPoint hotspot_2 = {-5,-5};
+       
+      if (!drop_icon)
+       {
+         drop_icon = shape_create_icon ( page_xpm,
+                                        440, 140, 0,0, GTK_WINDOW_POPUP);
+         
+         gtk_signal_connect (GTK_OBJECT (drop_icon), "destroy",
+                             GTK_SIGNAL_FUNC(gtk_widget_destroyed),
+                             &drop_icon);
+
+         gtk_widget_hide (drop_icon);
+       }
+       
+
+    gdk_dnd_set_drag_shape( drag_icon->window,
+                            &hotspot_1,
+                            drop_icon->window,
+                            &hotspot_2);
+  

   
   GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
   
   
   GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
   


@@ -645,10 +808,15 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
   
   int x = 0;
   int y = 0;
   
   int x = 0;
   int y = 0;

-  gdk_window_get_pointer( m_widget->window, &x, &y, (GdkModifierType *) NULL );
+  wxGetMousePosition( &x, &y );  

   
   gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
   
   
   gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
   

+/*
+    shape_motion( drag_icon, (GdkEventMotion *)NULL );
+    shape_motion( drop_icon, (GdkEventMotion *)NULL );
+*/
+

   while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
   
   UnregisterWindow();
   while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
   
   UnregisterWindow();


@@ -664,7 +832,7 @@ void wxDropSource::RegisterWindow(void)
 
   wxString formats;
     
 
   wxString formats;
     

-  wxDataFormat df = m_data->GetPreferredFormat();
+  wxDataFormat df = m_data->GetFormat();

   
     switch (df) 
     {
   
     switch (df) 
     {


@@ -695,6 +863,130 @@ void wxDropSource::UnregisterWindow(void)
   gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
 }
 
   gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
 }
 

+
+/*
+ * Shaped Windows
+ */
+static GdkWindow *root_win = NULL;
+
+typedef struct _cursoroffset {gint x,y;} CursorOffset;
+
+static void
+shape_pressed (GtkWidget *widget, GdkEventButton *event)
+{
+  CursorOffset *p;
+
+  /* ignore double and triple click */
+  if (event->type != GDK_BUTTON_PRESS)
+    return;
+
+  p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT(widget));
+  p->x = (int) event->x;
+  p->y = (int) event->y;
+
+  gtk_grab_add (widget);
+  gdk_pointer_grab (widget->window, TRUE,
+                   (GdkEventMask)
+                     (GDK_BUTTON_RELEASE_MASK |
+                      GDK_BUTTON_MOTION_MASK |
+                      GDK_POINTER_MOTION_HINT_MASK),
+                   NULL, NULL, 0);
+}
+
+
+static void
+shape_released (GtkWidget *widget)
+{
+  gtk_grab_remove (widget);
+  gdk_pointer_ungrab (0);
+}
+
+static void
+shape_motion (GtkWidget      *widget, 
+             GdkEventMotion */*event*/)
+{
+  gint xp, yp;
+  CursorOffset * p;
+  GdkModifierType mask;
+
+  p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT (widget));
+
+  /*
+   * Can't use event->x / event->y here 
+   * because I need absolute coordinates.
+   */
+  gdk_window_get_pointer (root_win, &xp, &yp, &mask);
+  gtk_widget_set_uposition (widget, xp  - p->x, yp  - p->y);
+}
+
+GtkWidget *
+shape_create_icon (char     **data,
+                  gint      x,
+                  gint      y,
+                  gint      px,
+                  gint      py,
+                  gint      window_type)
+{
+  GtkWidget *window;
+  GtkWidget *pixmap;
+  GtkWidget *fixed;
+  CursorOffset* icon_pos;
+  GdkGC* gc;
+  GdkBitmap *gdk_pixmap_mask;
+  GdkPixmap *gdk_pixmap;
+  GtkStyle *style;
+
+  style = gtk_widget_get_default_style ();
+  gc = style->black_gc;        
+
+  /*
+   * GDK_WINDOW_TOPLEVEL works also, giving you a title border
+   */
+  window = gtk_window_new ((GtkWindowType)window_type);
+  
+  fixed = gtk_fixed_new ();
+  gtk_widget_set_usize (fixed, 100,100);
+  gtk_container_add (GTK_CONTAINER (window), fixed);
+  gtk_widget_show (fixed);
+  
+  gtk_widget_set_events (window, 
+                        gtk_widget_get_events (window) |
+                        GDK_BUTTON_MOTION_MASK |
+                        GDK_POINTER_MOTION_HINT_MASK |
+                        GDK_BUTTON_PRESS_MASK);
+
+  gtk_widget_realize (window);
+  
+  gdk_pixmap = gdk_pixmap_create_from_xpm_d (window->window, &gdk_pixmap_mask, 
+                                          &style->bg[GTK_STATE_NORMAL],
+                                          (gchar**) data );
+
+  pixmap = gtk_pixmap_new (gdk_pixmap, gdk_pixmap_mask);
+  gtk_fixed_put (GTK_FIXED (fixed), pixmap, px,py);
+  gtk_widget_show (pixmap);
+  
+  gtk_widget_shape_combine_mask (window, gdk_pixmap_mask, px,py);
+
+
+  gtk_signal_connect (GTK_OBJECT (window), "button_press_event",
+                     GTK_SIGNAL_FUNC (shape_pressed),NULL);
+  gtk_signal_connect (GTK_OBJECT (window), "button_release_event",
+                     GTK_SIGNAL_FUNC (shape_released),NULL);
+  gtk_signal_connect (GTK_OBJECT (window), "motion_notify_event",
+                     GTK_SIGNAL_FUNC (shape_motion),NULL);
+
+  icon_pos = g_new (CursorOffset, 1);
+  gtk_object_set_user_data(GTK_OBJECT(window), icon_pos);
+
+  gtk_widget_set_uposition (window, x, y);
+  gtk_widget_show (window);
+  
+  return window;
+}
+
+
+
+

 #endif 
        // NEW_GTK_DND_CODE
        
 #endif 
        // NEW_GTK_DND_CODE