2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2003 Hiroyuki Yamamoto
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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)
70 GdkPixbuf *pixbuf_scaled;
79 debug_print("image_viewer_show_mimepart\n");
81 pixbuf = gdk_pixbuf_new_from_file(imgfile, &error);
83 g_warning(error->message);
87 g_warning("Can't load the image.");
91 if (imageviewer->resize_img) {
92 avail_width = imageviewer->notebook->parent->allocation.width;
93 avail_height = imageviewer->notebook->parent->allocation.height;
94 if (avail_width > 8) avail_width -= 8;
95 if (avail_height > 8) avail_height -= 8;
97 image_viewer_get_resized_size(gdk_pixbuf_get_width(pixbuf),
98 gdk_pixbuf_get_height(pixbuf),
99 avail_width, avail_height,
100 &new_width, &new_height);
102 pixbuf_scaled = gdk_pixbuf_scale_simple
103 (pixbuf, new_width, new_height, GDK_INTERP_BILINEAR);
104 g_object_unref(pixbuf);
105 pixbuf = pixbuf_scaled;
108 gdk_pixbuf_render_pixmap_and_mask(pixbuf, &pixmap, &mask, 0);
110 if (!imageviewer->image) {
111 imageviewer->image = gtk_pixmap_new(pixmap, mask);
113 gtk_scrolled_window_add_with_viewport
114 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
117 gtk_pixmap_set(GTK_PIXMAP(imageviewer->image), pixmap, mask);
119 gtk_widget_show(imageviewer->image);
121 g_object_unref(pixbuf);
124 static void image_viewer_set_notebook_page(MimeViewer *_mimeviewer)
126 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
128 if (!prefs_common.display_img)
129 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
131 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
134 static void image_viewer_load_image(ImageViewer *imageviewer)
138 if (imageviewer->mimeinfo == NULL)
141 imgfile = procmime_get_tmp_file_name(imageviewer->mimeinfo);
142 if (procmime_get_part(imgfile, imageviewer->mimeinfo) < 0) {
143 g_warning("Can't get mimepart file");
147 image_viewer_load_file(imageviewer, imgfile);
152 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
154 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
156 image_viewer_clear_viewer(_mimeviewer);
157 g_free(imageviewer->file);
158 imageviewer->file = g_strdup(file);
159 imageviewer->mimeinfo = mimeinfo;
161 if (prefs_common.display_img)
162 image_viewer_load_image(imageviewer);
164 gtk_label_set_text(GTK_LABEL(imageviewer->filename),
165 procmime_mimeinfo_get_parameter(mimeinfo, "name"));
166 gtk_label_set_text(GTK_LABEL(imageviewer->filesize), to_human_readable(mimeinfo->length));
167 gtk_label_set_text(GTK_LABEL(imageviewer->content_type), mimeinfo->subtype);
171 static void image_viewer_clear_viewer(MimeViewer *_mimeviewer)
173 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
174 GtkAdjustment *hadj, *vadj;
176 debug_print("image_viewer_clear_viewer\n");
178 image_viewer_set_notebook_page(_mimeviewer);
180 if (imageviewer->image != NULL)
181 gtk_pixmap_set(GTK_PIXMAP(imageviewer->image), NULL, NULL);
182 hadj = gtk_scrolled_window_get_hadjustment
183 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
184 gtk_adjustment_set_value(hadj, 0.0);
185 vadj = gtk_scrolled_window_get_vadjustment
186 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
187 gtk_adjustment_set_value(vadj, 0.0);
189 g_free(imageviewer->file);
190 imageviewer->file = NULL;
191 imageviewer->mimeinfo = NULL;
192 imageviewer->resize_img = prefs_common.resize_img;
195 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
197 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
199 debug_print("image_viewer_destroy_viewer\n");
201 image_viewer_clear_viewer(_mimeviewer);
202 g_object_unref(imageviewer->notebook);
206 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
214 wratio = (gfloat)aw / (gfloat)w;
216 hratio = (gfloat)ah / (gfloat)h;
218 ratio = (wratio > hratio) ? hratio : wratio;
220 *sw = (gint)(w * ratio);
221 *sh = (gint)(h * ratio);
224 if (*sw <= 0 || *sh <= 0) {
230 static void load_cb(GtkButton *button, ImageViewer *imageviewer)
232 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
233 image_viewer_load_image(imageviewer);
236 static gboolean scrolledwin_button_cb(GtkWidget *scrolledwin, GdkEventButton *event,
237 ImageViewer *imageviewer)
239 if (event->button == 1 && imageviewer->image) {
240 imageviewer->resize_img = !imageviewer->resize_img;
241 image_viewer_load_image(imageviewer);
247 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
248 ImageViewer *imageviewer)
250 if (imageviewer->resize_img)
251 image_viewer_load_image(imageviewer);
254 MimeViewer *image_viewer_create(void)
256 ImageViewer *imageviewer;
258 * glade generated code (do not touch)
266 GtkWidget *load_button;
268 GtkWidget *content_type;
269 GtkWidget *scrolledwin;
271 notebook = gtk_notebook_new();
272 gtk_widget_show(notebook);
273 GTK_WIDGET_UNSET_FLAGS(notebook, GTK_CAN_FOCUS);
274 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
275 gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
277 table1 = gtk_table_new(4, 3, FALSE);
278 gtk_widget_show(table1);
279 gtk_container_add(GTK_CONTAINER(notebook), table1);
280 gtk_container_set_border_width(GTK_CONTAINER(table1), 8);
281 gtk_table_set_row_spacings(GTK_TABLE(table1), 4);
282 gtk_table_set_col_spacings(GTK_TABLE(table1), 4);
284 label3 = gtk_label_new(_("Filename:"));
285 gtk_widget_show(label3);
286 gtk_table_attach(GTK_TABLE(table1), label3, 0, 1, 0, 1,
287 (GtkAttachOptions) (GTK_FILL),
288 (GtkAttachOptions) (0), 0, 0);
289 gtk_misc_set_alignment(GTK_MISC(label3), 0, 0.5);
291 label4 = gtk_label_new(_("Filesize:"));
292 gtk_widget_show(label4);
293 gtk_table_attach(GTK_TABLE(table1), label4, 0, 1, 1, 2,
294 (GtkAttachOptions) (GTK_FILL),
295 (GtkAttachOptions) (0), 0, 0);
296 gtk_misc_set_alignment(GTK_MISC(label4), 0, 0.5);
298 filename = gtk_label_new("");
299 gtk_widget_show(filename);
300 gtk_table_attach(GTK_TABLE(table1), filename, 1, 3, 0, 1,
301 (GtkAttachOptions) (GTK_FILL),
302 (GtkAttachOptions) (0), 0, 0);
303 gtk_misc_set_alignment(GTK_MISC(filename), 0, 0.5);
305 filesize = gtk_label_new("");
306 gtk_widget_show(filesize);
307 gtk_table_attach(GTK_TABLE(table1), filesize, 1, 3, 1, 2,
308 (GtkAttachOptions) (GTK_FILL),
309 (GtkAttachOptions) (0), 0, 0);
310 gtk_misc_set_alignment(GTK_MISC(filesize), 0, 0.5);
312 load_button = gtk_button_new_with_label(_("Load Image"));
313 gtk_widget_show(load_button);
314 gtk_table_attach(GTK_TABLE(table1), load_button, 1, 2, 3, 4,
315 (GtkAttachOptions) (GTK_FILL),
316 (GtkAttachOptions) (0), 0, 0);
318 label5 = gtk_label_new(_("Content-Type:"));
319 gtk_widget_show(label5);
320 gtk_table_attach(GTK_TABLE(table1), label5, 0, 1, 2, 3,
321 (GtkAttachOptions) (GTK_FILL),
322 (GtkAttachOptions) (0), 0, 0);
323 gtk_misc_set_alignment(GTK_MISC(label5), 0, 0.5);
325 content_type = gtk_label_new("");
326 gtk_widget_show(content_type);
327 gtk_table_attach(GTK_TABLE(table1), content_type, 1, 3, 2, 3,
328 (GtkAttachOptions) (GTK_FILL),
329 (GtkAttachOptions) (0), 0, 0);
330 gtk_misc_set_alignment(GTK_MISC(content_type), 0, 0.5);
332 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
333 gtk_widget_show(scrolledwin);
334 gtk_container_add(GTK_CONTAINER(notebook), scrolledwin);
335 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
336 GTK_POLICY_AUTOMATIC,
337 GTK_POLICY_AUTOMATIC);
342 debug_print("Creating image view...\n");
343 imageviewer = g_new0(ImageViewer, 1);
344 imageviewer->mimeviewer.factory = &image_viewer_factory;
346 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
347 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
348 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
349 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
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), "released",
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);