2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 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, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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);
44 MimeViewer mimeviewer;
50 GtkWidget *scrolledwin;
55 GtkWidget *content_type;
58 static GtkWidget *image_viewer_get_widget(MimeViewer *_mimeviewer)
60 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
62 debug_print("image_viewer_get_widget\n");
64 return imageviewer->notebook;
67 static void image_viewer_load_file(ImageViewer *imageviewer, const gchar *imgfile)
76 debug_print("image_viewer_show_mimepart\n");
78 if (!imageviewer->resize_img) {
79 pixbuf = gdk_pixbuf_new_from_file(imgfile, &error);
82 gdk_pixbuf_get_file_info(imgfile, &w, &h);
83 avail_width = imageviewer->notebook->parent->allocation.width;
84 avail_height = imageviewer->notebook->parent->allocation.height;
85 if (avail_width > 8) avail_width -= 8;
86 if (avail_height > 8) avail_height -= 8;
87 if (w > avail_width || h > avail_height)
88 pixbuf = gdk_pixbuf_new_from_file_at_scale(imgfile, avail_width,
89 avail_height, TRUE, &error);
91 pixbuf = gdk_pixbuf_new_from_file(imgfile, &error);
95 g_warning(error->message);
99 g_warning("Can't load the image.");
103 gdk_pixbuf_render_pixmap_and_mask(pixbuf, &pixmap, &mask, 0);
105 if (!imageviewer->image) {
106 imageviewer->image = gtk_pixmap_new(pixmap, mask);
108 gtk_scrolled_window_add_with_viewport
109 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
112 gtk_pixmap_set(GTK_PIXMAP(imageviewer->image), pixmap, mask);
114 gtk_widget_show(imageviewer->image);
116 g_object_unref(pixbuf);
119 static void image_viewer_set_notebook_page(MimeViewer *_mimeviewer)
121 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
123 if (!prefs_common.display_img)
124 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
126 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
129 static void image_viewer_load_image(ImageViewer *imageviewer)
133 if (imageviewer->mimeinfo == NULL)
136 imgfile = procmime_get_tmp_file_name(imageviewer->mimeinfo);
137 if (procmime_get_part(imgfile, imageviewer->mimeinfo) < 0) {
138 g_warning("Can't get mimepart file");
142 image_viewer_load_file(imageviewer, imgfile);
147 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
149 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
151 image_viewer_clear_viewer(_mimeviewer);
152 g_free(imageviewer->file);
153 imageviewer->file = g_strdup(file);
154 imageviewer->mimeinfo = mimeinfo;
156 if (prefs_common.display_img)
157 image_viewer_load_image(imageviewer);
159 gtk_label_set_text(GTK_LABEL(imageviewer->filename),
160 procmime_mimeinfo_get_parameter(mimeinfo, "name"));
161 gtk_label_set_text(GTK_LABEL(imageviewer->filesize), to_human_readable(mimeinfo->length));
162 gtk_label_set_text(GTK_LABEL(imageviewer->content_type), mimeinfo->subtype);
166 static void image_viewer_clear_viewer(MimeViewer *_mimeviewer)
168 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
169 GtkAdjustment *hadj, *vadj;
171 debug_print("image_viewer_clear_viewer\n");
173 image_viewer_set_notebook_page(_mimeviewer);
175 if (imageviewer->image != NULL)
176 gtk_pixmap_set(GTK_PIXMAP(imageviewer->image), NULL, NULL);
178 if (imageviewer->scrolledwin) {
179 hadj = gtk_scrolled_window_get_hadjustment
180 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
182 gtk_adjustment_set_value(hadj, 0.0);
183 vadj = gtk_scrolled_window_get_vadjustment
184 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
186 gtk_adjustment_set_value(vadj, 0.0);
188 g_free(imageviewer->file);
189 imageviewer->file = NULL;
190 imageviewer->mimeinfo = NULL;
191 imageviewer->resize_img = prefs_common.resize_img;
194 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
196 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
198 debug_print("image_viewer_destroy_viewer\n");
200 image_viewer_clear_viewer(_mimeviewer);
201 g_object_unref(imageviewer->notebook);
205 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
213 wratio = (gfloat)aw / (gfloat)w;
215 hratio = (gfloat)ah / (gfloat)h;
217 ratio = (wratio > hratio) ? hratio : wratio;
219 *sw = (gint)(w * ratio);
220 *sh = (gint)(h * ratio);
223 if (*sw <= 0 || *sh <= 0) {
229 static void load_cb(GtkButton *button, ImageViewer *imageviewer)
231 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
232 image_viewer_load_image(imageviewer);
235 static gboolean scrolledwin_button_cb(GtkWidget *scrolledwin, GdkEventButton *event,
236 ImageViewer *imageviewer)
238 if (event->button == 1 && imageviewer->image) {
239 imageviewer->resize_img = !imageviewer->resize_img;
240 image_viewer_load_image(imageviewer);
246 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
247 ImageViewer *imageviewer)
249 if (imageviewer->resize_img)
250 image_viewer_load_image(imageviewer);
253 MimeViewer *image_viewer_create(void)
255 ImageViewer *imageviewer;
257 * glade generated code (do not touch)
265 GtkWidget *load_button;
267 GtkWidget *content_type;
268 GtkWidget *scrolledwin;
270 notebook = gtk_notebook_new();
271 gtk_widget_show(notebook);
272 GTK_WIDGET_UNSET_FLAGS(notebook, GTK_CAN_FOCUS);
273 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
274 gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
276 table1 = gtk_table_new(4, 3, FALSE);
277 gtk_widget_show(table1);
278 gtk_container_add(GTK_CONTAINER(notebook), table1);
279 gtk_container_set_border_width(GTK_CONTAINER(table1), 8);
280 gtk_table_set_row_spacings(GTK_TABLE(table1), 4);
281 gtk_table_set_col_spacings(GTK_TABLE(table1), 4);
283 label3 = gtk_label_new(_("Filename:"));
284 gtk_widget_show(label3);
285 gtk_table_attach(GTK_TABLE(table1), label3, 0, 1, 0, 1,
286 (GtkAttachOptions) (GTK_FILL),
287 (GtkAttachOptions) (0), 0, 0);
288 gtk_misc_set_alignment(GTK_MISC(label3), 0, 0.5);
290 label4 = gtk_label_new(_("Filesize:"));
291 gtk_widget_show(label4);
292 gtk_table_attach(GTK_TABLE(table1), label4, 0, 1, 1, 2,
293 (GtkAttachOptions) (GTK_FILL),
294 (GtkAttachOptions) (0), 0, 0);
295 gtk_misc_set_alignment(GTK_MISC(label4), 0, 0.5);
297 filename = gtk_label_new("");
298 gtk_widget_show(filename);
299 gtk_table_attach(GTK_TABLE(table1), filename, 1, 3, 0, 1,
300 (GtkAttachOptions) (GTK_FILL),
301 (GtkAttachOptions) (0), 0, 0);
302 gtk_misc_set_alignment(GTK_MISC(filename), 0, 0.5);
304 filesize = gtk_label_new("");
305 gtk_widget_show(filesize);
306 gtk_table_attach(GTK_TABLE(table1), filesize, 1, 3, 1, 2,
307 (GtkAttachOptions) (GTK_FILL),
308 (GtkAttachOptions) (0), 0, 0);
309 gtk_misc_set_alignment(GTK_MISC(filesize), 0, 0.5);
311 load_button = gtk_button_new_with_label(_("Load Image"));
312 gtk_widget_show(load_button);
313 gtk_table_attach(GTK_TABLE(table1), load_button, 1, 2, 3, 4,
314 (GtkAttachOptions) (GTK_FILL),
315 (GtkAttachOptions) (0), 0, 0);
317 label5 = gtk_label_new(_("Content-Type:"));
318 gtk_widget_show(label5);
319 gtk_table_attach(GTK_TABLE(table1), label5, 0, 1, 2, 3,
320 (GtkAttachOptions) (GTK_FILL),
321 (GtkAttachOptions) (0), 0, 0);
322 gtk_misc_set_alignment(GTK_MISC(label5), 0, 0.5);
324 content_type = gtk_label_new("");
325 gtk_widget_show(content_type);
326 gtk_table_attach(GTK_TABLE(table1), content_type, 1, 3, 2, 3,
327 (GtkAttachOptions) (GTK_FILL),
328 (GtkAttachOptions) (0), 0, 0);
329 gtk_misc_set_alignment(GTK_MISC(content_type), 0, 0.5);
331 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
332 gtk_widget_show(scrolledwin);
333 gtk_container_add(GTK_CONTAINER(notebook), scrolledwin);
334 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
335 GTK_POLICY_AUTOMATIC,
336 GTK_POLICY_AUTOMATIC);
341 debug_print("Creating image view...\n");
342 imageviewer = g_new0(ImageViewer, 1);
343 imageviewer->mimeviewer.factory = &image_viewer_factory;
345 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
346 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
347 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
348 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
349 imageviewer->mimeviewer.get_selection = NULL;
351 imageviewer->resize_img = prefs_common.resize_img;
353 imageviewer->scrolledwin = scrolledwin;
354 imageviewer->image = NULL;
355 imageviewer->notebook = notebook;
356 imageviewer->filename = filename;
357 imageviewer->filesize = filesize;
358 imageviewer->content_type = content_type;
360 gtk_widget_ref(notebook);
362 g_signal_connect(G_OBJECT(load_button), "clicked",
363 G_CALLBACK(load_cb), imageviewer);
364 g_signal_connect(G_OBJECT(scrolledwin), "button-press-event",
365 G_CALLBACK(scrolledwin_button_cb), imageviewer);
366 g_signal_connect(G_OBJECT(scrolledwin), "size-allocate",
367 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
369 image_viewer_set_notebook_page((MimeViewer *)imageviewer);
371 return (MimeViewer *) imageviewer;
374 static gchar *content_types[] =
377 MimeViewerFactory image_viewer_factory =
385 void image_viewer_init(void)
387 mimeview_register_viewer_factory(&image_viewer_factory);
390 void image_viewer_done(void)
392 mimeview_unregister_viewer_factory(&image_viewer_factory);