Pileus Git - ~andy/gtk/blob - gtk/gtkquartz.c

   1 /* gtkquartz.c: Utility functions used by the Quartz port
   2  *
   3  * Copyright (C) 2006 Imendio AB
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include <config.h>
  22
  23 #include "gtkquartz.h"
  24 #include "gtkalias.h"
  25
  26 NSImage *
  27 _gtk_quartz_create_image_from_pixbuf (GdkPixbuf *pixbuf)
  28 {
  29   CGColorSpaceRef colorspace;
  30   CGDataProviderRef data_provider;
  31   CGContextRef context;
  32   CGImageRef image;
  33   void *data;
  34   int rowstride, pixbuf_width, pixbuf_height;
  35   gboolean has_alpha;
  36   NSImage *nsimage;
  37
  38   pixbuf_width = gdk_pixbuf_get_width (pixbuf);
  39   pixbuf_height = gdk_pixbuf_get_height (pixbuf);
  40   rowstride = gdk_pixbuf_get_rowstride (pixbuf);
  41   has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
  42
  43   data = gdk_pixbuf_get_pixels (pixbuf);
  44
  45   colorspace = CGColorSpaceCreateDeviceRGB ();
  46   data_provider = CGDataProviderCreateWithData (NULL, data, pixbuf_height * rowstride, NULL);
  47
  48   image = CGImageCreate (pixbuf_width, pixbuf_height, 8,
  49                          has_alpha ? 32 : 24, rowstride,
  50                          colorspace,
  51                          has_alpha ? kCGImageAlphaLast : 0,
  52                          data_provider, NULL, FALSE,
  53                          kCGRenderingIntentDefault);
  54
  55   CGDataProviderRelease (data_provider);
  56   CGColorSpaceRelease (colorspace);
  57
  58   nsimage = [[NSImage alloc] initWithSize:NSMakeSize (pixbuf_width, pixbuf_height)];
  59   [nsimage lockFocus];
  60
  61   context = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
  62   CGContextDrawImage (context, CGRectMake (0, 0, pixbuf_width, pixbuf_height), image);
  63
  64   [nsimage unlockFocus];
  65
  66   CGImageRelease (image);
  67
  68   return nsimage;
  69 }
  70
  71 static NSString *
  72 target_to_pasteboard_type (const char *target)
  73 {
  74   if (strcmp (target, "UTF8_STRING") == 0)
  75     return NSStringPboardType;
  76   else if (strcmp (target, "image/tiff") == 0)
  77     return NSTIFFPboardType;
  78   else if (strcmp (target, "application/x-color") == 0)
  79     return NSColorPboardType;
  80   else if (strcmp (target, "text/uri-list") == 0)
  81     return NSURLPboardType;
  82   else
  83     return [NSString stringWithUTF8String:target];
  84 }
  85
  86 NSArray *
  87 _gtk_quartz_target_list_to_pasteboard_types (GtkTargetList *target_list)
  88 {
  89   NSMutableSet *set = [[NSMutableSet alloc] init];
  90   GList *list;
  91
  92   for (list = target_list->list; list; list = list->next)
  93     {
  94       GtkTargetPair *pair = list->data;
  95       gchar *target = gdk_atom_name (pair->target);
  96       [set addObject:target_to_pasteboard_type (target)];
  97       g_free (target);
  98     }
  99
 100   return [set allObjects];
 101 }
 102
 103 NSArray *
 104 _gtk_quartz_target_entries_to_pasteboard_types (const GtkTargetEntry *targets,
 105                                                 guint                 n_targets)
 106 {
 107   NSMutableSet *set = [[NSMutableSet alloc] init];
 108   int i;
 109
 110   for (i = 0; i < n_targets; i++)
 111     {
 112       [set addObject:target_to_pasteboard_type (targets[i].target)];
 113     }
 114
 115   return [set allObjects];
 116 }
 117
 118 GdkAtom
 119 _gtk_quartz_pasteboard_type_to_atom (NSString *type)
 120 {
 121   if ([type isEqualToString:NSStringPboardType])
 122     return gdk_atom_intern_static_string ("UTF8_STRING");
 123   else if ([type isEqualToString:NSTIFFPboardType])
 124     return gdk_atom_intern_static_string ("image/tiff");
 125   else if ([type isEqualToString:NSColorPboardType])
 126     return gdk_atom_intern_static_string ("application/x-color");
 127   else if ([type isEqualToString:NSURLPboardType])
 128     return gdk_atom_intern_static_string ("text/uri-list");
 129   else
 130     return gdk_atom_intern ([type UTF8String], FALSE);
 131 }
 132
 133 GList *
 134 _gtk_quartz_pasteboard_types_to_atom_list (NSArray *array)
 135 {
 136   GList *result = NULL;
 137   int i;
 138   int count;
 139
 140   count = [array count];
 141
 142   for (i = 0; i < count; i++)
 143     {
 144       GdkAtom atom = _gtk_quartz_pasteboard_type_to_atom ([array objectAtIndex:i]);
 145
 146       result = g_list_prepend (result, GDK_ATOM_TO_POINTER (atom));
 147     }
 148
 149   return result;
 150 }
 151
 152 GtkSelectionData *
 153 _gtk_quartz_get_selection_data_from_pasteboard (NSPasteboard *pasteboard,
 154                                                 GdkAtom       target,
 155                                                 GdkAtom       selection)
 156 {
 157   GtkSelectionData *selection_data = NULL;
 158
 159   selection_data = g_slice_new0 (GtkSelectionData);
 160   selection_data->selection = selection;
 161   selection_data->target = target;
 162
 163   if (target == gdk_atom_intern_static_string ("UTF8_STRING"))
 164     {
 165       NSString *s = [pasteboard stringForType:NSStringPboardType];
 166
 167       if (s)
 168         {
 169           int len = [s length];
 170
 171           selection_data->type = target;
 172           selection_data->format = 8;
 173           selection_data->length = len;
 174           selection_data->data = g_memdup ([s UTF8String], len + 1);
 175         }
 176     }
 177   else if (target == gdk_atom_intern_static_string ("application/x-color"))
 178     {
 179       NSColor *nscolor = [[NSColor colorFromPasteboard:pasteboard]
 180                           colorUsingColorSpaceName:NSDeviceRGBColorSpace];
 181
 182       guint16 color[4];
 183
 184       selection_data->target = target;
 185
 186       color[0] = 0xffff * [nscolor redComponent];
 187       color[1] = 0xffff * [nscolor greenComponent];
 188       color[2] = 0xffff * [nscolor blueComponent];
 189       color[3] = 0xffff * [nscolor alphaComponent];
 190
 191       gtk_selection_data_set (selection_data, target, 16, (guchar *)color, 8);
 192     }
 193   else if (target == gdk_atom_intern_static_string ("text/uri-list"))
 194     {
 195       if ([[pasteboard types] containsObject:NSFilenamesPboardType])
 196         {
 197            gchar **uris;
 198            NSArray *files = [pasteboard propertyListForType:NSFilenamesPboardType];
 199            int n_files = [files count];
 200            int i;
 201
 202            selection_data->target = gdk_atom_intern_static_string ("text/uri-list");
 203
 204            uris = (gchar **) g_malloc (sizeof (gchar*) * (n_files + 1));
 205            for (i = 0; i < n_files; ++i)
 206              {
 207                NSString* uriString = [files objectAtIndex:i];
 208                uriString = [@"file://" stringByAppendingString:uriString];
 209                uriString = [uriString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
 210                uris[i] = (gchar *) [uriString cStringUsingEncoding:NSUTF8StringEncoding];
 211              }
 212            uris[i] = NULL;
 213
 214            gtk_selection_data_set_uris (selection_data, uris);
 215            g_free (uris);
 216          }
 217       else if ([[pasteboard types] containsObject:NSURLPboardType])
 218         {
 219           gchar *uris[2];
 220           NSURL *url = [NSURL URLFromPasteboard:pasteboard];
 221
 222           selection_data->target = gdk_atom_intern_static_string ("text/uri-list");
 223
 224           uris[0] = (gchar *) [[url description] UTF8String];
 225           uris[1] = NULL;
 226           gtk_selection_data_set_uris (selection_data, uris);
 227         }
 228     }
 229   else
 230     {
 231       NSData *data;
 232       gchar *name;
 233
 234       name = gdk_atom_name (target);
 235
 236       if (strcmp (name, "image/tiff") == 0)
 237         data = [pasteboard dataForType:NSTIFFPboardType];
 238       else
 239         data = [pasteboard dataForType:[NSString stringWithUTF8String:name]];
 240
 241       g_free (name);
 242
 243       if (data)
 244         {
 245           selection_data->type = target;
 246           selection_data->format = 8;
 247           selection_data->length = [data length];
 248           selection_data->data = g_malloc (selection_data->length + 1);
 249           selection_data->data[selection_data->length] = '\0';
 250           memcpy(selection_data->data, [data bytes], selection_data->length);
 251         }
 252     }
 253
 254   return selection_data;
 255 }
 256
 257 void
 258 _gtk_quartz_set_selection_data_for_pasteboard (NSPasteboard *pasteboard,
 259                                                GtkSelectionData *selection_data)
 260 {
 261   NSString *type;
 262   gchar *target = gdk_atom_name (selection_data->target);
 263
 264   type = target_to_pasteboard_type (target);
 265   g_free (target);
 266
 267   if ([type isEqualTo:NSStringPboardType])
 268     [pasteboard setString:[NSString stringWithUTF8String:(const char *)selection_data->data]
 269                   forType:type];
 270   else if ([type isEqualTo:NSColorPboardType])
 271     {
 272       guint16 *color = (guint16 *)selection_data->data;
 273       float red, green, blue, alpha;
 274
 275       red   = (float)color[0] / 0xffff;
 276       green = (float)color[1] / 0xffff;
 277       blue  = (float)color[2] / 0xffff;
 278       alpha = (float)color[3] / 0xffff;
 279
 280       NSColor *nscolor = [NSColor colorWithDeviceRed:red green:green blue:blue alpha:alpha];
 281
 282       [nscolor writeToPasteboard:pasteboard];
 283     }
 284   else if ([type isEqualTo:NSURLPboardType])
 285     {
 286       gchar **list;
 287       gchar **result = NULL;
 288       NSURL *url;
 289
 290       int count = gdk_text_property_to_utf8_list_for_display (selection_data->display,
 291                                                               gdk_atom_intern_static_string ("UTF8_STRING"),
 292                                                               selection_data->format,
 293                                                               selection_data->data,
 294                                                               selection_data->length,
 295                                                               &list);
 296
 297       if (count > 0)
 298         {
 299           result = g_uri_list_extract_uris (list[0]);
 300
 301           url = [NSURL URLWithString:[NSString stringWithUTF8String:result[0]]];
 302           [url writeToPasteboard:pasteboard];
 303
 304           g_strfreev (result);
 305         }
 306
 307       g_strfreev (list);
 308     }
 309   else
 310     [pasteboard setData:[NSData dataWithBytesNoCopy:selection_data->data
 311                                              length:selection_data->length
 312                                        freeWhenDone:NO]
 313                 forType:type];
 314 }