2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2007 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>
26 #include <gtk/gtkscrolledwindow.h>
27 #include <gtk/gtkpixmap.h>
33 #include "prefs_common.h"
35 typedef struct _ImageViewer ImageViewer;
37 MimeViewerFactory image_viewer_factory;
38 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
39 gint * sw, gint * sh);
40 static void image_viewer_clear_viewer(MimeViewer *imageviewer);
41 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
42 ImageViewer *imageviewer);
45 MimeViewer mimeviewer;
51 GtkWidget *scrolledwin;
58 GtkWidget *content_type;
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)
77 debug_print("image_viewer_show_mimepart\n");
79 if (!imageviewer->resize_img) {
80 pixbuf = gdk_pixbuf_new_from_file(imgfile, &error);
83 gdk_pixbuf_get_file_info(imgfile, &w, &h);
84 avail_width = imageviewer->notebook->parent->allocation.width;
85 avail_height = imageviewer->notebook->parent->allocation.height;
86 if (avail_width > 8) avail_width -= 8;
87 if (avail_height > 8) avail_height -= 8;
88 if (avail_width - 100 > 0 &&
89 (w > avail_width || h > avail_height))
90 pixbuf = gdk_pixbuf_new_from_file_at_scale(imgfile, avail_width,
91 avail_height, TRUE, &error);
93 pixbuf = gdk_pixbuf_new_from_file(imgfile, &error);
97 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), _("Error:"));
98 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), error->message);
99 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
103 g_warning("Can't load the image.");
107 if (!imageviewer->image) {
108 imageviewer->image = gtk_image_new();
110 gtk_scrolled_window_add_with_viewport
111 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
115 g_signal_handlers_block_by_func(G_OBJECT(imageviewer->scrolledwin),
116 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
118 gtk_image_set_from_pixbuf(GTK_IMAGE(imageviewer->image), pixbuf);
120 gtk_widget_show(imageviewer->image);
122 g_signal_handlers_unblock_by_func(G_OBJECT(imageviewer->scrolledwin),
123 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
125 g_object_unref(pixbuf);
128 static void image_viewer_set_notebook_page(MimeViewer *_mimeviewer)
130 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
132 if (!prefs_common.display_img)
133 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
135 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
138 static void image_viewer_load_image(ImageViewer *imageviewer)
142 if (imageviewer->mimeinfo == NULL)
145 imgfile = procmime_get_tmp_file_name(imageviewer->mimeinfo);
146 if (procmime_get_part(imgfile, imageviewer->mimeinfo) < 0) {
147 g_warning("Can't get mimepart file");
151 image_viewer_load_file(imageviewer, imgfile);
156 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
158 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
160 image_viewer_clear_viewer(_mimeviewer);
161 g_free(imageviewer->file);
162 imageviewer->file = g_strdup(file);
163 imageviewer->mimeinfo = mimeinfo;
165 gtk_label_set_text(GTK_LABEL(imageviewer->filename),
166 procmime_mimeinfo_get_parameter(mimeinfo, "name"));
167 gtk_label_set_text(GTK_LABEL(imageviewer->filesize), to_human_readable(mimeinfo->length));
168 gtk_label_set_text(GTK_LABEL(imageviewer->content_type), mimeinfo->subtype);
169 gtk_label_set_text(GTK_LABEL(imageviewer->error_lbl), "");
170 gtk_label_set_text(GTK_LABEL(imageviewer->error_msg), "");
172 if (prefs_common.display_img)
173 image_viewer_load_image(imageviewer);
176 static void image_viewer_clear_viewer(MimeViewer *_mimeviewer)
178 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
179 GtkAdjustment *hadj, *vadj;
181 debug_print("image_viewer_clear_viewer\n");
183 image_viewer_set_notebook_page(_mimeviewer);
185 if (imageviewer->image != NULL) {
186 gtk_widget_destroy(imageviewer->image);
187 imageviewer->image = NULL;
190 if (imageviewer->scrolledwin) {
191 hadj = gtk_scrolled_window_get_hadjustment
192 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
194 gtk_adjustment_set_value(hadj, 0.0);
195 gtk_adjustment_changed(hadj);
197 vadj = gtk_scrolled_window_get_vadjustment
198 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
200 gtk_adjustment_set_value(vadj, 0.0);
201 gtk_adjustment_changed(vadj);
204 g_free(imageviewer->file);
205 imageviewer->file = NULL;
206 imageviewer->mimeinfo = NULL;
207 imageviewer->resize_img = prefs_common.resize_img;
210 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
212 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
214 debug_print("image_viewer_destroy_viewer\n");
216 image_viewer_clear_viewer(_mimeviewer);
217 g_object_unref(imageviewer->notebook);
221 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
229 wratio = (gfloat)aw / (gfloat)w;
231 hratio = (gfloat)ah / (gfloat)h;
233 ratio = (wratio > hratio) ? hratio : wratio;
235 *sw = (gint)(w * ratio);
236 *sh = (gint)(h * ratio);
239 if (*sw <= 0 || *sh <= 0) {
245 static void load_cb(GtkButton *button, ImageViewer *imageviewer)
247 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
248 image_viewer_load_image(imageviewer);
251 static gboolean scrolledwin_button_cb(GtkWidget *scrolledwin, GdkEventButton *event,
252 ImageViewer *imageviewer)
254 if (event->button == 1 && imageviewer->image) {
255 imageviewer->resize_img = !imageviewer->resize_img;
256 image_viewer_load_image(imageviewer);
262 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
263 ImageViewer *imageviewer)
265 if (imageviewer->resize_img)
266 image_viewer_load_image(imageviewer);
269 static MimeViewer *image_viewer_create(void)
271 ImageViewer *imageviewer;
273 * glade generated code (do not touch)
281 GtkWidget *load_button;
283 GtkWidget *content_type;
284 GtkWidget *scrolledwin;
285 GtkWidget *error_lbl;
286 GtkWidget *error_msg;
288 notebook = gtk_notebook_new();
289 gtk_widget_show(notebook);
290 GTK_WIDGET_UNSET_FLAGS(notebook, GTK_CAN_FOCUS);
291 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
292 gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
294 table1 = gtk_table_new(5, 3, FALSE);
295 gtk_widget_show(table1);
296 gtk_container_add(GTK_CONTAINER(notebook), table1);
297 gtk_container_set_border_width(GTK_CONTAINER(table1), 8);
298 gtk_table_set_row_spacings(GTK_TABLE(table1), 4);
299 gtk_table_set_col_spacings(GTK_TABLE(table1), 4);
301 label3 = gtk_label_new(_("Filename:"));
302 gtk_widget_show(label3);
303 gtk_table_attach(GTK_TABLE(table1), label3, 0, 1, 0, 1,
304 (GtkAttachOptions) (GTK_FILL),
305 (GtkAttachOptions) (0), 0, 0);
306 gtk_misc_set_alignment(GTK_MISC(label3), 0, 0.5);
308 label4 = gtk_label_new(_("Filesize:"));
309 gtk_widget_show(label4);
310 gtk_table_attach(GTK_TABLE(table1), label4, 0, 1, 1, 2,
311 (GtkAttachOptions) (GTK_FILL),
312 (GtkAttachOptions) (0), 0, 0);
313 gtk_misc_set_alignment(GTK_MISC(label4), 0, 0.5);
315 filename = gtk_label_new("");
316 gtk_widget_show(filename);
317 gtk_table_attach(GTK_TABLE(table1), filename, 1, 3, 0, 1,
318 (GtkAttachOptions) (GTK_FILL),
319 (GtkAttachOptions) (0), 0, 0);
320 gtk_misc_set_alignment(GTK_MISC(filename), 0, 0.5);
322 filesize = gtk_label_new("");
323 gtk_widget_show(filesize);
324 gtk_table_attach(GTK_TABLE(table1), filesize, 1, 3, 1, 2,
325 (GtkAttachOptions) (GTK_FILL),
326 (GtkAttachOptions) (0), 0, 0);
327 gtk_misc_set_alignment(GTK_MISC(filesize), 0, 0.5);
329 label5 = gtk_label_new(_("Content-Type:"));
330 gtk_widget_show(label5);
331 gtk_table_attach(GTK_TABLE(table1), label5, 0, 1, 2, 3,
332 (GtkAttachOptions) (GTK_FILL),
333 (GtkAttachOptions) (0), 0, 0);
334 gtk_misc_set_alignment(GTK_MISC(label5), 0, 0.5);
336 content_type = gtk_label_new("");
337 gtk_widget_show(content_type);
338 gtk_table_attach(GTK_TABLE(table1), content_type, 1, 3, 2, 3,
339 (GtkAttachOptions) (GTK_FILL),
340 (GtkAttachOptions) (0), 0, 0);
341 gtk_misc_set_alignment(GTK_MISC(content_type), 0, 0.5);
343 error_lbl = gtk_label_new("");
344 gtk_widget_show(error_lbl);
345 gtk_table_attach(GTK_TABLE(table1), error_lbl, 0, 1, 3, 4,
346 (GtkAttachOptions) (GTK_FILL),
347 (GtkAttachOptions) (0), 0, 0);
348 gtk_misc_set_alignment(GTK_MISC(error_lbl), 0, 0.5);
350 error_msg = gtk_label_new("");
351 gtk_widget_show(error_msg);
352 gtk_table_attach(GTK_TABLE(table1), error_msg, 1, 3, 3, 4,
353 (GtkAttachOptions) (GTK_FILL),
354 (GtkAttachOptions) (0), 0, 0);
355 gtk_misc_set_alignment(GTK_MISC(error_msg), 0, 0.5);
357 load_button = gtk_button_new_with_label(_("Load Image"));
358 gtk_widget_show(load_button);
359 gtk_table_attach(GTK_TABLE(table1), load_button, 0, 1, 4, 5,
360 (GtkAttachOptions) (GTK_FILL),
361 (GtkAttachOptions) (0), 0, 0);
363 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
364 gtk_widget_show(scrolledwin);
365 gtk_container_add(GTK_CONTAINER(notebook), scrolledwin);
366 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
367 GTK_POLICY_AUTOMATIC,
368 GTK_POLICY_AUTOMATIC);
373 debug_print("Creating image view...\n");
374 imageviewer = g_new0(ImageViewer, 1);
375 imageviewer->mimeviewer.factory = &image_viewer_factory;
377 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
378 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
379 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
380 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
381 imageviewer->mimeviewer.get_selection = NULL;
383 imageviewer->resize_img = prefs_common.resize_img;
385 imageviewer->scrolledwin = scrolledwin;
386 imageviewer->image = NULL;
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;
394 gtk_widget_ref(notebook);
396 g_signal_connect(G_OBJECT(load_button), "clicked",
397 G_CALLBACK(load_cb), imageviewer);
398 g_signal_connect(G_OBJECT(scrolledwin), "button-press-event",
399 G_CALLBACK(scrolledwin_button_cb), imageviewer);
400 g_signal_connect(G_OBJECT(scrolledwin), "size-allocate",
401 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
403 image_viewer_set_notebook_page((MimeViewer *)imageviewer);
405 return (MimeViewer *) imageviewer;
408 static gchar *content_types[] =
411 MimeViewerFactory image_viewer_factory =
419 void image_viewer_init(void)
421 mimeview_register_viewer_factory(&image_viewer_factory);
424 void image_viewer_done(void)
426 mimeview_unregister_viewer_factory(&image_viewer_factory);