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_file(ImageViewer *imageviewer, const gchar *imgfile)
74 GtkAllocation allocation;
75 GdkPixbufAnimation *animation = NULL;
76 GdkPixbuf *pixbuf = NULL;
79 debug_print("image_viewer_show_mimepart\n");
81 animation = gdk_pixbuf_animation_new_from_file(imgfile, &error);
82 if (gdk_pixbuf_animation_is_static_image(animation)
83 || imageviewer->resize_img) {
84 pixbuf = gdk_pixbuf_animation_get_static_image(animation);
86 g_object_unref(animation);
89 if (imageviewer->resize_img) {
90 gtk_widget_get_allocation(
91 gtk_widget_get_parent(imageviewer->notebook), &allocation);
92 pixbuf = claws_load_pixbuf_fitting(pixbuf,
97 pixbuf = claws_load_pixbuf_fitting(pixbuf, -1, -1);
100 if (error && !pixbuf && !animation) {
101 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), _("Error:"));
102 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), error->message);
103 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
104 gtk_widget_hide(imageviewer->load_button);
107 if (!pixbuf && !animation) {
108 g_warning("Can't load the image.");
113 gtk_image_set_from_animation(GTK_IMAGE(imageviewer->image), animation);
115 gtk_image_set_from_pixbuf(GTK_IMAGE(imageviewer->image), pixbuf);
117 g_signal_handlers_block_by_func(G_OBJECT(imageviewer->scrolledwin),
118 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
121 gtk_widget_show(imageviewer->image);
123 g_signal_handlers_unblock_by_func(G_OBJECT(imageviewer->scrolledwin),
124 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
127 g_object_unref(pixbuf);
129 g_object_unref(animation);
132 static void image_viewer_set_notebook_page(MimeViewer *_mimeviewer)
134 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
136 if (!prefs_common.display_img)
137 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
139 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
142 static void image_viewer_load_image(ImageViewer *imageviewer)
146 if (imageviewer->mimeinfo == NULL)
149 imgfile = procmime_get_tmp_file_name(imageviewer->mimeinfo);
150 if (procmime_get_part(imgfile, imageviewer->mimeinfo) < 0) {
151 g_warning("Can't get mimepart file");
155 image_viewer_load_file(imageviewer, imgfile);
156 claws_unlink(imgfile);
160 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
162 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
164 image_viewer_clear_viewer(_mimeviewer);
165 g_free(imageviewer->file);
166 imageviewer->file = g_strdup(file);
167 imageviewer->mimeinfo = mimeinfo;
169 gtk_label_set_text(GTK_LABEL(imageviewer->filename),
170 procmime_mimeinfo_get_parameter(mimeinfo, "name"));
171 gtk_label_set_text(GTK_LABEL(imageviewer->filesize), to_human_readable((goffset)mimeinfo->length));
172 gtk_label_set_text(GTK_LABEL(imageviewer->content_type), mimeinfo->subtype);
173 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), "");
174 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), "");
176 if (prefs_common.display_img)
177 image_viewer_load_image(imageviewer);
180 static void image_viewer_clear_viewer(MimeViewer *_mimeviewer)
182 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
183 GtkAdjustment *hadj, *vadj;
185 debug_print("image_viewer_clear_viewer\n");
187 image_viewer_set_notebook_page(_mimeviewer);
189 if (imageviewer->scrolledwin) {
190 hadj = gtk_scrolled_window_get_hadjustment
191 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
193 gtk_adjustment_set_value(hadj, 0.0);
194 gtk_adjustment_changed(hadj);
196 vadj = gtk_scrolled_window_get_vadjustment
197 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
199 gtk_adjustment_set_value(vadj, 0.0);
200 gtk_adjustment_changed(vadj);
203 g_free(imageviewer->file);
204 imageviewer->file = NULL;
205 imageviewer->mimeinfo = NULL;
206 imageviewer->resize_img = prefs_common.resize_img;
209 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
211 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
213 debug_print("image_viewer_destroy_viewer\n");
215 image_viewer_clear_viewer(_mimeviewer);
216 g_object_unref(imageviewer->notebook);
220 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
228 wratio = (gfloat)aw / (gfloat)w;
230 hratio = (gfloat)ah / (gfloat)h;
232 ratio = (wratio > hratio) ? hratio : wratio;
234 *sw = (gint)(w * ratio);
235 *sh = (gint)(h * ratio);
238 if (*sw <= 0 || *sh <= 0) {
244 static void load_cb(GtkButton *button, ImageViewer *imageviewer)
246 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
247 image_viewer_load_image(imageviewer);
250 static gboolean scrolledwin_button_cb(GtkWidget *scrolledwin, GdkEventButton *event,
251 ImageViewer *imageviewer)
253 if (event->button == 1 && imageviewer->image) {
254 imageviewer->resize_img = !imageviewer->resize_img;
255 image_viewer_load_image(imageviewer);
261 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
262 ImageViewer *imageviewer)
264 if (imageviewer->resize_img)
265 image_viewer_load_image(imageviewer);
268 static MimeViewer *image_viewer_create(void)
270 ImageViewer *imageviewer;
272 * glade generated code (do not touch)
280 GtkWidget *load_button;
282 GtkWidget *content_type;
283 GtkWidget *scrolledwin;
284 GtkWidget *error_lbl;
285 GtkWidget *error_msg;
287 notebook = gtk_notebook_new();
288 gtk_widget_show(notebook);
289 gtk_widget_set_can_focus(notebook, FALSE);
290 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
291 gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
293 table1 = gtk_table_new(5, 3, FALSE);
294 gtk_widget_show(table1);
295 gtk_container_add(GTK_CONTAINER(notebook), table1);
296 gtk_container_set_border_width(GTK_CONTAINER(table1), 8);
297 gtk_table_set_row_spacings(GTK_TABLE(table1), 4);
298 gtk_table_set_col_spacings(GTK_TABLE(table1), 4);
300 label3 = gtk_label_new(_("Filename:"));
301 gtk_widget_show(label3);
302 gtk_table_attach(GTK_TABLE(table1), label3, 0, 1, 0, 1,
303 (GtkAttachOptions) (GTK_FILL),
304 (GtkAttachOptions) (0), 0, 0);
305 gtk_misc_set_alignment(GTK_MISC(label3), 0, 0.5);
307 label4 = gtk_label_new(_("Filesize:"));
308 gtk_widget_show(label4);
309 gtk_table_attach(GTK_TABLE(table1), label4, 0, 1, 1, 2,
310 (GtkAttachOptions) (GTK_FILL),
311 (GtkAttachOptions) (0), 0, 0);
312 gtk_misc_set_alignment(GTK_MISC(label4), 0, 0.5);
314 filename = gtk_label_new("");
315 gtk_widget_show(filename);
316 gtk_table_attach(GTK_TABLE(table1), filename, 1, 3, 0, 1,
317 (GtkAttachOptions) (GTK_FILL),
318 (GtkAttachOptions) (0), 0, 0);
319 gtk_misc_set_alignment(GTK_MISC(filename), 0, 0.5);
321 filesize = gtk_label_new("");
322 gtk_widget_show(filesize);
323 gtk_table_attach(GTK_TABLE(table1), filesize, 1, 3, 1, 2,
324 (GtkAttachOptions) (GTK_FILL),
325 (GtkAttachOptions) (0), 0, 0);
326 gtk_misc_set_alignment(GTK_MISC(filesize), 0, 0.5);
328 label5 = gtk_label_new(_("Content-Type:"));
329 gtk_widget_show(label5);
330 gtk_table_attach(GTK_TABLE(table1), label5, 0, 1, 2, 3,
331 (GtkAttachOptions) (GTK_FILL),
332 (GtkAttachOptions) (0), 0, 0);
333 gtk_misc_set_alignment(GTK_MISC(label5), 0, 0.5);
335 content_type = gtk_label_new("");
336 gtk_widget_show(content_type);
337 gtk_table_attach(GTK_TABLE(table1), content_type, 1, 3, 2, 3,
338 (GtkAttachOptions) (GTK_FILL),
339 (GtkAttachOptions) (0), 0, 0);
340 gtk_misc_set_alignment(GTK_MISC(content_type), 0, 0.5);
342 error_lbl = gtk_label_new("");
343 gtk_widget_show(error_lbl);
344 gtk_table_attach(GTK_TABLE(table1), error_lbl, 0, 1, 3, 4,
345 (GtkAttachOptions) (GTK_FILL),
346 (GtkAttachOptions) (0), 0, 0);
347 gtk_misc_set_alignment(GTK_MISC(error_lbl), 0, 0.5);
349 error_msg = gtk_label_new("");
350 gtk_widget_show(error_msg);
351 gtk_table_attach(GTK_TABLE(table1), error_msg, 1, 3, 3, 4,
352 (GtkAttachOptions) (GTK_FILL),
353 (GtkAttachOptions) (0), 0, 0);
354 gtk_misc_set_alignment(GTK_MISC(error_msg), 0, 0.5);
356 load_button = gtk_button_new_with_label(_("Load Image"));
357 gtk_widget_show(load_button);
358 gtk_table_attach(GTK_TABLE(table1), load_button, 0, 1, 4, 5,
359 (GtkAttachOptions) (GTK_FILL),
360 (GtkAttachOptions) (0), 0, 0);
362 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
363 gtk_widget_show(scrolledwin);
364 gtk_container_add(GTK_CONTAINER(notebook), scrolledwin);
365 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
366 GTK_POLICY_AUTOMATIC,
367 GTK_POLICY_AUTOMATIC);
372 debug_print("Creating image view...\n");
373 imageviewer = g_new0(ImageViewer, 1);
374 imageviewer->mimeviewer.factory = &image_viewer_factory;
376 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
377 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
378 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
379 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
380 imageviewer->mimeviewer.get_selection = NULL;
382 imageviewer->resize_img = prefs_common.resize_img;
384 imageviewer->scrolledwin = scrolledwin;
385 imageviewer->image = gtk_image_new();
386 gtk_scrolled_window_add_with_viewport
387 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
389 imageviewer->notebook = notebook;
390 imageviewer->filename = filename;
391 imageviewer->filesize = filesize;
392 imageviewer->content_type = content_type;
393 imageviewer->error_msg = error_msg;
394 imageviewer->error_lbl = error_lbl;
395 imageviewer->load_button = load_button;
397 g_object_ref(notebook);
399 g_signal_connect(G_OBJECT(load_button), "clicked",
400 G_CALLBACK(load_cb), imageviewer);
401 g_signal_connect(G_OBJECT(scrolledwin), "button-press-event",
402 G_CALLBACK(scrolledwin_button_cb), imageviewer);
403 g_signal_connect(G_OBJECT(scrolledwin), "size-allocate",
404 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
406 image_viewer_set_notebook_page((MimeViewer *)imageviewer);
408 return (MimeViewer *) imageviewer;
411 static gchar *content_types[] =
414 MimeViewerFactory image_viewer_factory =
422 void image_viewer_init(void)
424 mimeview_register_viewer_factory(&image_viewer_factory);
427 void image_viewer_done(void)
429 mimeview_unregister_viewer_factory(&image_viewer_factory);