2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2011 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/>.
25 #include <glib/gi18n.h>
32 #include "prefs_common.h"
34 typedef struct _ImageViewer ImageViewer;
36 MimeViewerFactory image_viewer_factory;
37 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
38 gint * sw, gint * sh);
39 static void image_viewer_clear_viewer(MimeViewer *imageviewer);
40 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
41 ImageViewer *imageviewer);
44 MimeViewer mimeviewer;
50 GtkWidget *scrolledwin;
57 GtkWidget *content_type;
58 GtkWidget *load_button;
61 static GtkWidget *image_viewer_get_widget(MimeViewer *_mimeviewer)
63 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
65 debug_print("image_viewer_get_widget\n");
67 return imageviewer->notebook;
70 static void image_viewer_load_file(ImageViewer *imageviewer, const gchar *imgfile)
72 GdkPixbufAnimation *animation = NULL;
73 GdkPixbuf *pixbuf = NULL;
76 debug_print("image_viewer_show_mimepart\n");
78 animation = gdk_pixbuf_animation_new_from_file(imgfile, &error);
79 if (gdk_pixbuf_animation_is_static_image(animation)
80 || imageviewer->resize_img) {
81 pixbuf = gdk_pixbuf_animation_get_static_image(animation);
83 g_object_unref(animation);
86 if (imageviewer->resize_img)
87 pixbuf = claws_load_pixbuf_fitting(pixbuf,
88 imageviewer->notebook->parent->allocation.width,
89 imageviewer->notebook->parent->allocation.height);
91 pixbuf = claws_load_pixbuf_fitting(pixbuf, -1, -1);
94 if (error && !pixbuf && !animation) {
95 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), _("Error:"));
96 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), error->message);
97 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
98 gtk_widget_hide(imageviewer->load_button);
101 if (!pixbuf && !animation) {
102 g_warning("Can't load the image.");
107 gtk_image_set_from_animation(GTK_IMAGE(imageviewer->image), animation);
109 gtk_image_set_from_pixbuf(GTK_IMAGE(imageviewer->image), pixbuf);
111 g_signal_handlers_block_by_func(G_OBJECT(imageviewer->scrolledwin),
112 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
115 gtk_widget_show(imageviewer->image);
117 g_signal_handlers_unblock_by_func(G_OBJECT(imageviewer->scrolledwin),
118 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
121 g_object_unref(pixbuf);
123 g_object_unref(animation);
126 static void image_viewer_set_notebook_page(MimeViewer *_mimeviewer)
128 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
130 if (!prefs_common.display_img)
131 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
133 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
136 static void image_viewer_load_image(ImageViewer *imageviewer)
140 if (imageviewer->mimeinfo == NULL)
143 imgfile = procmime_get_tmp_file_name(imageviewer->mimeinfo);
144 if (procmime_get_part(imgfile, imageviewer->mimeinfo) < 0) {
145 g_warning("Can't get mimepart file");
149 image_viewer_load_file(imageviewer, imgfile);
150 claws_unlink(imgfile);
154 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
156 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
158 image_viewer_clear_viewer(_mimeviewer);
159 g_free(imageviewer->file);
160 imageviewer->file = g_strdup(file);
161 imageviewer->mimeinfo = mimeinfo;
163 gtk_label_set_text(GTK_LABEL(imageviewer->filename),
164 procmime_mimeinfo_get_parameter(mimeinfo, "name"));
165 gtk_label_set_text(GTK_LABEL(imageviewer->filesize), to_human_readable((goffset)mimeinfo->length));
166 gtk_label_set_text(GTK_LABEL(imageviewer->content_type), mimeinfo->subtype);
167 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), "");
168 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), "");
170 if (prefs_common.display_img)
171 image_viewer_load_image(imageviewer);
174 static void image_viewer_clear_viewer(MimeViewer *_mimeviewer)
176 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
177 GtkAdjustment *hadj, *vadj;
179 debug_print("image_viewer_clear_viewer\n");
181 image_viewer_set_notebook_page(_mimeviewer);
183 if (imageviewer->scrolledwin) {
184 hadj = gtk_scrolled_window_get_hadjustment
185 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
187 gtk_adjustment_set_value(hadj, 0.0);
188 gtk_adjustment_changed(hadj);
190 vadj = gtk_scrolled_window_get_vadjustment
191 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
193 gtk_adjustment_set_value(vadj, 0.0);
194 gtk_adjustment_changed(vadj);
197 g_free(imageviewer->file);
198 imageviewer->file = NULL;
199 imageviewer->mimeinfo = NULL;
200 imageviewer->resize_img = prefs_common.resize_img;
203 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
205 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
207 debug_print("image_viewer_destroy_viewer\n");
209 image_viewer_clear_viewer(_mimeviewer);
210 g_object_unref(imageviewer->notebook);
214 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
222 wratio = (gfloat)aw / (gfloat)w;
224 hratio = (gfloat)ah / (gfloat)h;
226 ratio = (wratio > hratio) ? hratio : wratio;
228 *sw = (gint)(w * ratio);
229 *sh = (gint)(h * ratio);
232 if (*sw <= 0 || *sh <= 0) {
238 static void load_cb(GtkButton *button, ImageViewer *imageviewer)
240 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
241 image_viewer_load_image(imageviewer);
244 static gboolean scrolledwin_button_cb(GtkWidget *scrolledwin, GdkEventButton *event,
245 ImageViewer *imageviewer)
247 if (event->button == 1 && imageviewer->image) {
248 imageviewer->resize_img = !imageviewer->resize_img;
249 image_viewer_load_image(imageviewer);
255 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
256 ImageViewer *imageviewer)
258 if (imageviewer->resize_img)
259 image_viewer_load_image(imageviewer);
262 static MimeViewer *image_viewer_create(void)
264 ImageViewer *imageviewer;
266 * glade generated code (do not touch)
274 GtkWidget *load_button;
276 GtkWidget *content_type;
277 GtkWidget *scrolledwin;
278 GtkWidget *error_lbl;
279 GtkWidget *error_msg;
281 notebook = gtk_notebook_new();
282 gtk_widget_show(notebook);
283 gtkut_widget_set_can_focus(notebook, FALSE);
284 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
285 gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
287 table1 = gtk_table_new(5, 3, FALSE);
288 gtk_widget_show(table1);
289 gtk_container_add(GTK_CONTAINER(notebook), table1);
290 gtk_container_set_border_width(GTK_CONTAINER(table1), 8);
291 gtk_table_set_row_spacings(GTK_TABLE(table1), 4);
292 gtk_table_set_col_spacings(GTK_TABLE(table1), 4);
294 label3 = gtk_label_new(_("Filename:"));
295 gtk_widget_show(label3);
296 gtk_table_attach(GTK_TABLE(table1), label3, 0, 1, 0, 1,
297 (GtkAttachOptions) (GTK_FILL),
298 (GtkAttachOptions) (0), 0, 0);
299 gtk_misc_set_alignment(GTK_MISC(label3), 0, 0.5);
301 label4 = gtk_label_new(_("Filesize:"));
302 gtk_widget_show(label4);
303 gtk_table_attach(GTK_TABLE(table1), label4, 0, 1, 1, 2,
304 (GtkAttachOptions) (GTK_FILL),
305 (GtkAttachOptions) (0), 0, 0);
306 gtk_misc_set_alignment(GTK_MISC(label4), 0, 0.5);
308 filename = gtk_label_new("");
309 gtk_widget_show(filename);
310 gtk_table_attach(GTK_TABLE(table1), filename, 1, 3, 0, 1,
311 (GtkAttachOptions) (GTK_FILL),
312 (GtkAttachOptions) (0), 0, 0);
313 gtk_misc_set_alignment(GTK_MISC(filename), 0, 0.5);
315 filesize = gtk_label_new("");
316 gtk_widget_show(filesize);
317 gtk_table_attach(GTK_TABLE(table1), filesize, 1, 3, 1, 2,
318 (GtkAttachOptions) (GTK_FILL),
319 (GtkAttachOptions) (0), 0, 0);
320 gtk_misc_set_alignment(GTK_MISC(filesize), 0, 0.5);
322 label5 = gtk_label_new(_("Content-Type:"));
323 gtk_widget_show(label5);
324 gtk_table_attach(GTK_TABLE(table1), label5, 0, 1, 2, 3,
325 (GtkAttachOptions) (GTK_FILL),
326 (GtkAttachOptions) (0), 0, 0);
327 gtk_misc_set_alignment(GTK_MISC(label5), 0, 0.5);
329 content_type = gtk_label_new("");
330 gtk_widget_show(content_type);
331 gtk_table_attach(GTK_TABLE(table1), content_type, 1, 3, 2, 3,
332 (GtkAttachOptions) (GTK_FILL),
333 (GtkAttachOptions) (0), 0, 0);
334 gtk_misc_set_alignment(GTK_MISC(content_type), 0, 0.5);
336 error_lbl = gtk_label_new("");
337 gtk_widget_show(error_lbl);
338 gtk_table_attach(GTK_TABLE(table1), error_lbl, 0, 1, 3, 4,
339 (GtkAttachOptions) (GTK_FILL),
340 (GtkAttachOptions) (0), 0, 0);
341 gtk_misc_set_alignment(GTK_MISC(error_lbl), 0, 0.5);
343 error_msg = gtk_label_new("");
344 gtk_widget_show(error_msg);
345 gtk_table_attach(GTK_TABLE(table1), error_msg, 1, 3, 3, 4,
346 (GtkAttachOptions) (GTK_FILL),
347 (GtkAttachOptions) (0), 0, 0);
348 gtk_misc_set_alignment(GTK_MISC(error_msg), 0, 0.5);
350 load_button = gtk_button_new_with_label(_("Load Image"));
351 gtk_widget_show(load_button);
352 gtk_table_attach(GTK_TABLE(table1), load_button, 0, 1, 4, 5,
353 (GtkAttachOptions) (GTK_FILL),
354 (GtkAttachOptions) (0), 0, 0);
356 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
357 gtk_widget_show(scrolledwin);
358 gtk_container_add(GTK_CONTAINER(notebook), scrolledwin);
359 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
360 GTK_POLICY_AUTOMATIC,
361 GTK_POLICY_AUTOMATIC);
366 debug_print("Creating image view...\n");
367 imageviewer = g_new0(ImageViewer, 1);
368 imageviewer->mimeviewer.factory = &image_viewer_factory;
370 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
371 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
372 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
373 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
374 imageviewer->mimeviewer.get_selection = NULL;
376 imageviewer->resize_img = prefs_common.resize_img;
378 imageviewer->scrolledwin = scrolledwin;
379 imageviewer->image = gtk_image_new();
380 gtk_scrolled_window_add_with_viewport
381 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
383 imageviewer->notebook = notebook;
384 imageviewer->filename = filename;
385 imageviewer->filesize = filesize;
386 imageviewer->content_type = content_type;
387 imageviewer->error_msg = error_msg;
388 imageviewer->error_lbl = error_lbl;
389 imageviewer->load_button = load_button;
391 g_object_ref(notebook);
393 g_signal_connect(G_OBJECT(load_button), "clicked",
394 G_CALLBACK(load_cb), imageviewer);
395 g_signal_connect(G_OBJECT(scrolledwin), "button-press-event",
396 G_CALLBACK(scrolledwin_button_cb), imageviewer);
397 g_signal_connect(G_OBJECT(scrolledwin), "size-allocate",
398 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
400 image_viewer_set_notebook_page((MimeViewer *)imageviewer);
402 return (MimeViewer *) imageviewer;
405 static gchar *content_types[] =
408 MimeViewerFactory image_viewer_factory =
416 void image_viewer_init(void)
418 mimeview_register_viewer_factory(&image_viewer_factory);
421 void image_viewer_done(void)
423 mimeview_unregister_viewer_factory(&image_viewer_factory);