2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program 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
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "claws-features.h"
26 #include <glib/gi18n.h>
30 #include "file-utils.h"
34 #include "prefs_common.h"
36 typedef struct _ImageViewer ImageViewer;
38 MimeViewerFactory image_viewer_factory;
39 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
40 gint * sw, gint * sh);
41 static void image_viewer_clear_viewer(MimeViewer *imageviewer);
42 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
43 ImageViewer *imageviewer);
46 MimeViewer mimeviewer;
52 GtkWidget *scrolledwin;
59 GtkWidget *content_type;
60 GtkWidget *load_button;
63 static GtkWidget *image_viewer_get_widget(MimeViewer *_mimeviewer)
65 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
67 debug_print("image_viewer_get_widget\n");
69 return imageviewer->notebook;
72 static void image_viewer_load_image(ImageViewer *imageviewer)
74 GtkAllocation allocation;
75 GdkPixbufAnimation *animation = NULL;
76 GdkPixbuf *pixbuf = NULL;
80 cm_return_if_fail(imageviewer != NULL);
82 if (imageviewer->mimeinfo == NULL)
85 stream = procmime_get_part_as_inputstream(imageviewer->mimeinfo);
87 g_warning("Couldn't get image MIME part");
91 #if GDK_PIXBUF_MINOR >= 28
92 animation = gdk_pixbuf_animation_new_from_stream(stream, NULL, &error);
94 pixbuf = gdk_pixbuf_new_from_stream(stream, NULL, &error);
96 g_object_unref(stream);
99 g_warning("Couldn't load image: %s\n", error->message);
104 #if GDK_PIXBUF_MINOR >= 28
105 if (gdk_pixbuf_animation_is_static_image(animation)
106 || imageviewer->resize_img) {
107 pixbuf = gdk_pixbuf_animation_get_static_image(animation);
108 g_object_ref(pixbuf);
109 g_object_unref(animation);
112 if (imageviewer->resize_img) {
115 if (imageviewer->resize_img) {
116 gtk_widget_get_allocation(
117 gtk_widget_get_parent(imageviewer->notebook), &allocation);
118 pixbuf = claws_load_pixbuf_fitting(pixbuf,
123 pixbuf = claws_load_pixbuf_fitting(pixbuf, -1, -1);
126 if (error && !pixbuf && !animation) {
127 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), _("Error:"));
128 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), error->message);
129 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
130 gtk_widget_hide(imageviewer->load_button);
133 if (!pixbuf && !animation) {
134 g_warning("Can't load the image.");
139 gtk_image_set_from_animation(GTK_IMAGE(imageviewer->image), animation);
141 gtk_image_set_from_pixbuf(GTK_IMAGE(imageviewer->image), pixbuf);
143 g_signal_handlers_block_by_func(G_OBJECT(imageviewer->scrolledwin),
144 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
147 gtk_widget_show(imageviewer->image);
149 g_signal_handlers_unblock_by_func(G_OBJECT(imageviewer->scrolledwin),
150 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
153 g_object_unref(pixbuf);
155 g_object_unref(animation);
158 static void image_viewer_set_notebook_page(MimeViewer *_mimeviewer)
160 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
162 if (!prefs_common.display_img)
163 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
165 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
168 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
170 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
172 debug_print("image_viewer_show_mimepart\n");
174 image_viewer_clear_viewer(_mimeviewer);
175 g_free(imageviewer->file);
176 imageviewer->file = g_strdup(file);
177 imageviewer->mimeinfo = mimeinfo;
179 gtk_label_set_text(GTK_LABEL(imageviewer->filename),
180 procmime_mimeinfo_get_parameter(mimeinfo, "name"));
181 gtk_label_set_text(GTK_LABEL(imageviewer->filesize), to_human_readable((goffset)mimeinfo->length));
182 gtk_label_set_text(GTK_LABEL(imageviewer->content_type), mimeinfo->subtype);
183 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), "");
184 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), "");
186 if (prefs_common.display_img)
187 image_viewer_load_image(imageviewer);
190 static void image_viewer_clear_viewer(MimeViewer *_mimeviewer)
192 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
193 GtkAdjustment *hadj, *vadj;
195 debug_print("image_viewer_clear_viewer\n");
197 image_viewer_set_notebook_page(_mimeviewer);
199 if (imageviewer->scrolledwin) {
200 hadj = gtk_scrolled_window_get_hadjustment
201 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
203 gtk_adjustment_set_value(hadj, 0.0);
204 gtk_adjustment_changed(hadj);
206 vadj = gtk_scrolled_window_get_vadjustment
207 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
209 gtk_adjustment_set_value(vadj, 0.0);
210 gtk_adjustment_changed(vadj);
213 g_free(imageviewer->file);
214 imageviewer->file = NULL;
215 imageviewer->mimeinfo = NULL;
216 imageviewer->resize_img = prefs_common.resize_img;
219 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
221 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
223 debug_print("image_viewer_destroy_viewer\n");
225 image_viewer_clear_viewer(_mimeviewer);
226 g_object_unref(imageviewer->notebook);
230 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
238 wratio = (gfloat)aw / (gfloat)w;
240 hratio = (gfloat)ah / (gfloat)h;
242 ratio = (wratio > hratio) ? hratio : wratio;
244 *sw = (gint)(w * ratio);
245 *sh = (gint)(h * ratio);
248 if (*sw <= 0 || *sh <= 0) {
254 static void load_cb(GtkButton *button, ImageViewer *imageviewer)
256 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
257 image_viewer_load_image(imageviewer);
260 static gboolean scrolledwin_button_cb(GtkWidget *scrolledwin, GdkEventButton *event,
261 ImageViewer *imageviewer)
263 if (event->button == 1 && imageviewer->image) {
264 imageviewer->resize_img = !imageviewer->resize_img;
265 image_viewer_load_image(imageviewer);
271 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
272 ImageViewer *imageviewer)
274 if (imageviewer->resize_img)
275 image_viewer_load_image(imageviewer);
278 static MimeViewer *image_viewer_create(void)
280 ImageViewer *imageviewer;
282 * glade generated code (do not touch)
290 GtkWidget *load_button;
292 GtkWidget *content_type;
293 GtkWidget *scrolledwin;
294 GtkWidget *error_lbl;
295 GtkWidget *error_msg;
297 notebook = gtk_notebook_new();
298 gtk_widget_show(notebook);
299 gtk_widget_set_can_focus(notebook, FALSE);
300 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
301 gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
303 table1 = gtk_table_new(5, 3, FALSE);
304 gtk_widget_show(table1);
305 gtk_container_add(GTK_CONTAINER(notebook), table1);
306 gtk_container_set_border_width(GTK_CONTAINER(table1), 8);
307 gtk_table_set_row_spacings(GTK_TABLE(table1), 4);
308 gtk_table_set_col_spacings(GTK_TABLE(table1), 4);
310 label3 = gtk_label_new(_("Filename:"));
311 gtk_widget_show(label3);
312 gtk_table_attach(GTK_TABLE(table1), label3, 0, 1, 0, 1,
313 (GtkAttachOptions) (GTK_FILL),
314 (GtkAttachOptions) (0), 0, 0);
315 gtk_misc_set_alignment(GTK_MISC(label3), 0, 0.5);
317 label4 = gtk_label_new(_("Filesize:"));
318 gtk_widget_show(label4);
319 gtk_table_attach(GTK_TABLE(table1), label4, 0, 1, 1, 2,
320 (GtkAttachOptions) (GTK_FILL),
321 (GtkAttachOptions) (0), 0, 0);
322 gtk_misc_set_alignment(GTK_MISC(label4), 0, 0.5);
324 filename = gtk_label_new("");
325 gtk_widget_show(filename);
326 gtk_table_attach(GTK_TABLE(table1), filename, 1, 3, 0, 1,
327 (GtkAttachOptions) (GTK_FILL),
328 (GtkAttachOptions) (0), 0, 0);
329 gtk_misc_set_alignment(GTK_MISC(filename), 0, 0.5);
331 filesize = gtk_label_new("");
332 gtk_widget_show(filesize);
333 gtk_table_attach(GTK_TABLE(table1), filesize, 1, 3, 1, 2,
334 (GtkAttachOptions) (GTK_FILL),
335 (GtkAttachOptions) (0), 0, 0);
336 gtk_misc_set_alignment(GTK_MISC(filesize), 0, 0.5);
338 label5 = gtk_label_new(_("Content-Type:"));
339 gtk_widget_show(label5);
340 gtk_table_attach(GTK_TABLE(table1), label5, 0, 1, 2, 3,
341 (GtkAttachOptions) (GTK_FILL),
342 (GtkAttachOptions) (0), 0, 0);
343 gtk_misc_set_alignment(GTK_MISC(label5), 0, 0.5);
345 content_type = gtk_label_new("");
346 gtk_widget_show(content_type);
347 gtk_table_attach(GTK_TABLE(table1), content_type, 1, 3, 2, 3,
348 (GtkAttachOptions) (GTK_FILL),
349 (GtkAttachOptions) (0), 0, 0);
350 gtk_misc_set_alignment(GTK_MISC(content_type), 0, 0.5);
352 error_lbl = gtk_label_new("");
353 gtk_widget_show(error_lbl);
354 gtk_table_attach(GTK_TABLE(table1), error_lbl, 0, 1, 3, 4,
355 (GtkAttachOptions) (GTK_FILL),
356 (GtkAttachOptions) (0), 0, 0);
357 gtk_misc_set_alignment(GTK_MISC(error_lbl), 0, 0.5);
359 error_msg = gtk_label_new("");
360 gtk_widget_show(error_msg);
361 gtk_table_attach(GTK_TABLE(table1), error_msg, 1, 3, 3, 4,
362 (GtkAttachOptions) (GTK_FILL),
363 (GtkAttachOptions) (0), 0, 0);
364 gtk_misc_set_alignment(GTK_MISC(error_msg), 0, 0.5);
366 load_button = gtk_button_new_with_label(_("Load Image"));
367 gtk_widget_show(load_button);
368 gtk_table_attach(GTK_TABLE(table1), load_button, 0, 1, 4, 5,
369 (GtkAttachOptions) (GTK_FILL),
370 (GtkAttachOptions) (0), 0, 0);
372 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
373 gtk_widget_show(scrolledwin);
374 gtk_container_add(GTK_CONTAINER(notebook), scrolledwin);
375 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
376 GTK_POLICY_AUTOMATIC,
377 GTK_POLICY_AUTOMATIC);
382 debug_print("Creating image view...\n");
383 imageviewer = g_new0(ImageViewer, 1);
384 imageviewer->mimeviewer.factory = &image_viewer_factory;
386 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
387 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
388 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
389 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
390 imageviewer->mimeviewer.get_selection = NULL;
392 imageviewer->resize_img = prefs_common.resize_img;
394 imageviewer->scrolledwin = scrolledwin;
395 imageviewer->image = gtk_image_new();
396 gtk_scrolled_window_add_with_viewport
397 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
399 imageviewer->notebook = notebook;
400 imageviewer->filename = filename;
401 imageviewer->filesize = filesize;
402 imageviewer->content_type = content_type;
403 imageviewer->error_msg = error_msg;
404 imageviewer->error_lbl = error_lbl;
405 imageviewer->load_button = load_button;
407 g_object_ref(notebook);
409 g_signal_connect(G_OBJECT(load_button), "clicked",
410 G_CALLBACK(load_cb), imageviewer);
411 g_signal_connect(G_OBJECT(scrolledwin), "button-press-event",
412 G_CALLBACK(scrolledwin_button_cb), imageviewer);
413 g_signal_connect(G_OBJECT(scrolledwin), "size-allocate",
414 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
416 image_viewer_set_notebook_page((MimeViewer *)imageviewer);
418 return (MimeViewer *) imageviewer;
421 static gchar *content_types[] =
424 MimeViewerFactory image_viewer_factory =
432 void image_viewer_init(void)
434 mimeview_register_viewer_factory(&image_viewer_factory);
437 void image_viewer_done(void)
439 mimeview_unregister_viewer_factory(&image_viewer_factory);