2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2009 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;
78 debug_print("image_viewer_show_mimepart\n");
80 if (!imageviewer->resize_img) {
81 animation = gdk_pixbuf_animation_new_from_file(imgfile, &error);
84 gdk_pixbuf_get_file_info(imgfile, &w, &h);
85 avail_width = imageviewer->notebook->parent->allocation.width;
86 avail_height = imageviewer->notebook->parent->allocation.height;
87 if (avail_width > 8) avail_width -= 8;
88 if (avail_height > 8) avail_height -= 8;
89 if (avail_width - 100 > 0 &&
90 (w > avail_width || h > avail_height)) {
91 pixbuf = gdk_pixbuf_new_from_file_at_scale(imgfile, avail_width,
92 avail_height, TRUE, &error);
94 animation = gdk_pixbuf_animation_new_from_file(imgfile, &error);
98 if (error && !pixbuf && !animation) {
99 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), _("Error:"));
100 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), error->message);
101 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
102 gtk_widget_hide(imageviewer->load_button);
105 if (!pixbuf && !animation) {
106 g_warning("Can't load the image.");
111 gtk_image_set_from_animation(GTK_IMAGE(imageviewer->image), animation);
113 gtk_image_set_from_pixbuf(GTK_IMAGE(imageviewer->image), pixbuf);
115 g_signal_handlers_block_by_func(G_OBJECT(imageviewer->scrolledwin),
116 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
119 gtk_widget_show(imageviewer->image);
121 g_signal_handlers_unblock_by_func(G_OBJECT(imageviewer->scrolledwin),
122 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
125 g_object_unref(pixbuf);
127 g_object_unref(animation);
130 static void image_viewer_set_notebook_page(MimeViewer *_mimeviewer)
132 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
134 if (!prefs_common.display_img)
135 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
137 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
140 static void image_viewer_load_image(ImageViewer *imageviewer)
144 if (imageviewer->mimeinfo == NULL)
147 imgfile = procmime_get_tmp_file_name(imageviewer->mimeinfo);
148 if (procmime_get_part(imgfile, imageviewer->mimeinfo) < 0) {
149 g_warning("Can't get mimepart file");
153 image_viewer_load_file(imageviewer, imgfile);
154 claws_unlink(imgfile);
158 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
160 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
162 image_viewer_clear_viewer(_mimeviewer);
163 g_free(imageviewer->file);
164 imageviewer->file = g_strdup(file);
165 imageviewer->mimeinfo = mimeinfo;
167 gtk_label_set_text(GTK_LABEL(imageviewer->filename),
168 procmime_mimeinfo_get_parameter(mimeinfo, "name"));
169 gtk_label_set_text(GTK_LABEL(imageviewer->filesize), to_human_readable((goffset)mimeinfo->length));
170 gtk_label_set_text(GTK_LABEL(imageviewer->content_type), mimeinfo->subtype);
171 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), "");
172 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), "");
174 if (prefs_common.display_img)
175 image_viewer_load_image(imageviewer);
178 static void image_viewer_clear_viewer(MimeViewer *_mimeviewer)
180 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
181 GtkAdjustment *hadj, *vadj;
183 debug_print("image_viewer_clear_viewer\n");
185 image_viewer_set_notebook_page(_mimeviewer);
187 if (imageviewer->scrolledwin) {
188 hadj = gtk_scrolled_window_get_hadjustment
189 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
191 gtk_adjustment_set_value(hadj, 0.0);
192 gtk_adjustment_changed(hadj);
194 vadj = gtk_scrolled_window_get_vadjustment
195 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
197 gtk_adjustment_set_value(vadj, 0.0);
198 gtk_adjustment_changed(vadj);
201 g_free(imageviewer->file);
202 imageviewer->file = NULL;
203 imageviewer->mimeinfo = NULL;
204 imageviewer->resize_img = prefs_common.resize_img;
207 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
209 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
211 debug_print("image_viewer_destroy_viewer\n");
213 image_viewer_clear_viewer(_mimeviewer);
214 g_object_unref(imageviewer->notebook);
218 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
226 wratio = (gfloat)aw / (gfloat)w;
228 hratio = (gfloat)ah / (gfloat)h;
230 ratio = (wratio > hratio) ? hratio : wratio;
232 *sw = (gint)(w * ratio);
233 *sh = (gint)(h * ratio);
236 if (*sw <= 0 || *sh <= 0) {
242 static void load_cb(GtkButton *button, ImageViewer *imageviewer)
244 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
245 image_viewer_load_image(imageviewer);
248 static gboolean scrolledwin_button_cb(GtkWidget *scrolledwin, GdkEventButton *event,
249 ImageViewer *imageviewer)
251 if (event->button == 1 && imageviewer->image) {
252 imageviewer->resize_img = !imageviewer->resize_img;
253 image_viewer_load_image(imageviewer);
259 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
260 ImageViewer *imageviewer)
262 if (imageviewer->resize_img)
263 image_viewer_load_image(imageviewer);
266 static MimeViewer *image_viewer_create(void)
268 ImageViewer *imageviewer;
270 * glade generated code (do not touch)
278 GtkWidget *load_button;
280 GtkWidget *content_type;
281 GtkWidget *scrolledwin;
282 GtkWidget *error_lbl;
283 GtkWidget *error_msg;
285 notebook = gtk_notebook_new();
286 gtk_widget_show(notebook);
287 gtkut_widget_set_can_focus(notebook, FALSE);
288 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
289 gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
291 table1 = gtk_table_new(5, 3, FALSE);
292 gtk_widget_show(table1);
293 gtk_container_add(GTK_CONTAINER(notebook), table1);
294 gtk_container_set_border_width(GTK_CONTAINER(table1), 8);
295 gtk_table_set_row_spacings(GTK_TABLE(table1), 4);
296 gtk_table_set_col_spacings(GTK_TABLE(table1), 4);
298 label3 = gtk_label_new(_("Filename:"));
299 gtk_widget_show(label3);
300 gtk_table_attach(GTK_TABLE(table1), label3, 0, 1, 0, 1,
301 (GtkAttachOptions) (GTK_FILL),
302 (GtkAttachOptions) (0), 0, 0);
303 gtk_misc_set_alignment(GTK_MISC(label3), 0, 0.5);
305 label4 = gtk_label_new(_("Filesize:"));
306 gtk_widget_show(label4);
307 gtk_table_attach(GTK_TABLE(table1), label4, 0, 1, 1, 2,
308 (GtkAttachOptions) (GTK_FILL),
309 (GtkAttachOptions) (0), 0, 0);
310 gtk_misc_set_alignment(GTK_MISC(label4), 0, 0.5);
312 filename = gtk_label_new("");
313 gtk_widget_show(filename);
314 gtk_table_attach(GTK_TABLE(table1), filename, 1, 3, 0, 1,
315 (GtkAttachOptions) (GTK_FILL),
316 (GtkAttachOptions) (0), 0, 0);
317 gtk_misc_set_alignment(GTK_MISC(filename), 0, 0.5);
319 filesize = gtk_label_new("");
320 gtk_widget_show(filesize);
321 gtk_table_attach(GTK_TABLE(table1), filesize, 1, 3, 1, 2,
322 (GtkAttachOptions) (GTK_FILL),
323 (GtkAttachOptions) (0), 0, 0);
324 gtk_misc_set_alignment(GTK_MISC(filesize), 0, 0.5);
326 label5 = gtk_label_new(_("Content-Type:"));
327 gtk_widget_show(label5);
328 gtk_table_attach(GTK_TABLE(table1), label5, 0, 1, 2, 3,
329 (GtkAttachOptions) (GTK_FILL),
330 (GtkAttachOptions) (0), 0, 0);
331 gtk_misc_set_alignment(GTK_MISC(label5), 0, 0.5);
333 content_type = gtk_label_new("");
334 gtk_widget_show(content_type);
335 gtk_table_attach(GTK_TABLE(table1), content_type, 1, 3, 2, 3,
336 (GtkAttachOptions) (GTK_FILL),
337 (GtkAttachOptions) (0), 0, 0);
338 gtk_misc_set_alignment(GTK_MISC(content_type), 0, 0.5);
340 error_lbl = gtk_label_new("");
341 gtk_widget_show(error_lbl);
342 gtk_table_attach(GTK_TABLE(table1), error_lbl, 0, 1, 3, 4,
343 (GtkAttachOptions) (GTK_FILL),
344 (GtkAttachOptions) (0), 0, 0);
345 gtk_misc_set_alignment(GTK_MISC(error_lbl), 0, 0.5);
347 error_msg = gtk_label_new("");
348 gtk_widget_show(error_msg);
349 gtk_table_attach(GTK_TABLE(table1), error_msg, 1, 3, 3, 4,
350 (GtkAttachOptions) (GTK_FILL),
351 (GtkAttachOptions) (0), 0, 0);
352 gtk_misc_set_alignment(GTK_MISC(error_msg), 0, 0.5);
354 load_button = gtk_button_new_with_label(_("Load Image"));
355 gtk_widget_show(load_button);
356 gtk_table_attach(GTK_TABLE(table1), load_button, 0, 1, 4, 5,
357 (GtkAttachOptions) (GTK_FILL),
358 (GtkAttachOptions) (0), 0, 0);
360 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
361 gtk_widget_show(scrolledwin);
362 gtk_container_add(GTK_CONTAINER(notebook), scrolledwin);
363 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
364 GTK_POLICY_AUTOMATIC,
365 GTK_POLICY_AUTOMATIC);
370 debug_print("Creating image view...\n");
371 imageviewer = g_new0(ImageViewer, 1);
372 imageviewer->mimeviewer.factory = &image_viewer_factory;
374 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
375 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
376 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
377 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
378 imageviewer->mimeviewer.get_selection = NULL;
380 imageviewer->resize_img = prefs_common.resize_img;
382 imageviewer->scrolledwin = scrolledwin;
383 imageviewer->image = gtk_image_new();
384 gtk_scrolled_window_add_with_viewport
385 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
387 imageviewer->notebook = notebook;
388 imageviewer->filename = filename;
389 imageviewer->filesize = filesize;
390 imageviewer->content_type = content_type;
391 imageviewer->error_msg = error_msg;
392 imageviewer->error_lbl = error_lbl;
393 imageviewer->load_button = load_button;
395 g_object_ref(notebook);
397 g_signal_connect(G_OBJECT(load_button), "clicked",
398 G_CALLBACK(load_cb), imageviewer);
399 g_signal_connect(G_OBJECT(scrolledwin), "button-press-event",
400 G_CALLBACK(scrolledwin_button_cb), imageviewer);
401 g_signal_connect(G_OBJECT(scrolledwin), "size-allocate",
402 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
404 image_viewer_set_notebook_page((MimeViewer *)imageviewer);
406 return (MimeViewer *) imageviewer;
409 static gchar *content_types[] =
412 MimeViewerFactory image_viewer_factory =
420 void image_viewer_init(void)
422 mimeview_register_viewer_factory(&image_viewer_factory);
425 void image_viewer_done(void)
427 mimeview_unregister_viewer_factory(&image_viewer_factory);