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., 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)
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);
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 vadj = gtk_scrolled_window_get_vadjustment
189 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
191 gtk_adjustment_set_value(vadj, 0.0);
193 g_free(imageviewer->file);
194 imageviewer->file = NULL;
195 imageviewer->mimeinfo = NULL;
196 imageviewer->resize_img = prefs_common.resize_img;
199 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
201 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
203 debug_print("image_viewer_destroy_viewer\n");
205 image_viewer_clear_viewer(_mimeviewer);
206 g_object_unref(imageviewer->notebook);
210 void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
218 wratio = (gfloat)aw / (gfloat)w;
220 hratio = (gfloat)ah / (gfloat)h;
222 ratio = (wratio > hratio) ? hratio : wratio;
224 *sw = (gint)(w * ratio);
225 *sh = (gint)(h * ratio);
228 if (*sw <= 0 || *sh <= 0) {
234 static void load_cb(GtkButton *button, ImageViewer *imageviewer)
236 gtk_notebook_set_current_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
237 image_viewer_load_image(imageviewer);
240 static gboolean scrolledwin_button_cb(GtkWidget *scrolledwin, GdkEventButton *event,
241 ImageViewer *imageviewer)
243 if (event->button == 1 && imageviewer->image) {
244 imageviewer->resize_img = !imageviewer->resize_img;
245 image_viewer_load_image(imageviewer);
251 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
252 ImageViewer *imageviewer)
254 if (imageviewer->resize_img)
255 image_viewer_load_image(imageviewer);
258 MimeViewer *image_viewer_create(void)
260 ImageViewer *imageviewer;
262 * glade generated code (do not touch)
270 GtkWidget *load_button;
272 GtkWidget *content_type;
273 GtkWidget *scrolledwin;
275 notebook = gtk_notebook_new();
276 gtk_widget_show(notebook);
277 GTK_WIDGET_UNSET_FLAGS(notebook, GTK_CAN_FOCUS);
278 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
279 gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
281 table1 = gtk_table_new(4, 3, FALSE);
282 gtk_widget_show(table1);
283 gtk_container_add(GTK_CONTAINER(notebook), table1);
284 gtk_container_set_border_width(GTK_CONTAINER(table1), 8);
285 gtk_table_set_row_spacings(GTK_TABLE(table1), 4);
286 gtk_table_set_col_spacings(GTK_TABLE(table1), 4);
288 label3 = gtk_label_new(_("Filename:"));
289 gtk_widget_show(label3);
290 gtk_table_attach(GTK_TABLE(table1), label3, 0, 1, 0, 1,
291 (GtkAttachOptions) (GTK_FILL),
292 (GtkAttachOptions) (0), 0, 0);
293 gtk_misc_set_alignment(GTK_MISC(label3), 0, 0.5);
295 label4 = gtk_label_new(_("Filesize:"));
296 gtk_widget_show(label4);
297 gtk_table_attach(GTK_TABLE(table1), label4, 0, 1, 1, 2,
298 (GtkAttachOptions) (GTK_FILL),
299 (GtkAttachOptions) (0), 0, 0);
300 gtk_misc_set_alignment(GTK_MISC(label4), 0, 0.5);
302 filename = gtk_label_new("");
303 gtk_widget_show(filename);
304 gtk_table_attach(GTK_TABLE(table1), filename, 1, 3, 0, 1,
305 (GtkAttachOptions) (GTK_FILL),
306 (GtkAttachOptions) (0), 0, 0);
307 gtk_misc_set_alignment(GTK_MISC(filename), 0, 0.5);
309 filesize = gtk_label_new("");
310 gtk_widget_show(filesize);
311 gtk_table_attach(GTK_TABLE(table1), filesize, 1, 3, 1, 2,
312 (GtkAttachOptions) (GTK_FILL),
313 (GtkAttachOptions) (0), 0, 0);
314 gtk_misc_set_alignment(GTK_MISC(filesize), 0, 0.5);
316 load_button = gtk_button_new_with_label(_("Load Image"));
317 gtk_widget_show(load_button);
318 gtk_table_attach(GTK_TABLE(table1), load_button, 1, 2, 3, 4,
319 (GtkAttachOptions) (GTK_FILL),
320 (GtkAttachOptions) (0), 0, 0);
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 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
337 gtk_widget_show(scrolledwin);
338 gtk_container_add(GTK_CONTAINER(notebook), scrolledwin);
339 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
340 GTK_POLICY_AUTOMATIC,
341 GTK_POLICY_AUTOMATIC);
346 debug_print("Creating image view...\n");
347 imageviewer = g_new0(ImageViewer, 1);
348 imageviewer->mimeviewer.factory = &image_viewer_factory;
350 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
351 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
352 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
353 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
355 imageviewer->resize_img = prefs_common.resize_img;
357 imageviewer->scrolledwin = scrolledwin;
358 imageviewer->image = NULL;
359 imageviewer->notebook = notebook;
360 imageviewer->filename = filename;
361 imageviewer->filesize = filesize;
362 imageviewer->content_type = content_type;
364 gtk_widget_ref(notebook);
366 g_signal_connect(G_OBJECT(load_button), "released",
367 G_CALLBACK(load_cb), imageviewer);
368 g_signal_connect(G_OBJECT(scrolledwin), "button-press-event",
369 G_CALLBACK(scrolledwin_button_cb), imageviewer);
370 g_signal_connect(G_OBJECT(scrolledwin), "size-allocate",
371 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
373 image_viewer_set_notebook_page((MimeViewer *)imageviewer);
375 return (MimeViewer *) imageviewer;
378 static gchar *content_types[] =
381 MimeViewerFactory image_viewer_factory =
389 void image_viewer_init(void)
391 mimeview_register_viewer_factory(&image_viewer_factory);
394 void image_viewer_done(void)
396 mimeview_unregister_viewer_factory(&image_viewer_factory);