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 <gtk/gtkscrolledwindow.h>
26 #include <gtk/gtkpixmap.h>
29 # include <gdk-pixbuf/gdk-pixbuf.h>
32 # include <gdk_imlib.h>
34 #endif /* HAVE_GDK_PIXBUF */
41 #include "viewerprefs.h"
43 typedef struct _ImageViewer ImageViewer;
45 MimeViewerFactory image_viewer_factory;
46 static void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
47 gint * sw, gint * sh);
48 static void image_viewer_clear_viewer(MimeViewer *imageviewer);
52 MimeViewer mimeviewer;
58 GtkWidget *scrolledwin;
63 GtkWidget *content_type;
66 static GtkWidget *image_viewer_get_widget(MimeViewer *_mimeviewer)
68 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
70 debug_print("image_viewer_get_widget\n");
72 return imageviewer->notebook;
76 static void image_viewer_load_file(ImageViewer *imageviewer, const gchar *imgfile)
79 GdkPixbuf *pixbuf_scaled;
88 debug_print("image_viewer_show_mimepart\n");
90 pixbuf = gdk_pixbuf_new_from_file(imgfile, &error);
92 g_warning(error->message);
96 g_warning("Can't load the image.");
100 if (imageviewer->resize_img) {
101 avail_width = imageviewer->notebook->parent->allocation.width;
102 avail_height = imageviewer->notebook->parent->allocation.height;
103 if (avail_width > 8) avail_width -= 8;
104 if (avail_height > 8) avail_height -= 8;
106 image_viewer_get_resized_size(gdk_pixbuf_get_width(pixbuf),
107 gdk_pixbuf_get_height(pixbuf),
108 avail_width, avail_height,
109 &new_width, &new_height);
111 pixbuf_scaled = gdk_pixbuf_scale_simple
112 (pixbuf, new_width, new_height, GDK_INTERP_BILINEAR);
113 g_object_unref(pixbuf);
114 pixbuf = pixbuf_scaled;
117 gdk_pixbuf_render_pixmap_and_mask(pixbuf, &pixmap, &mask, 0);
119 if (!imageviewer->image) {
120 imageviewer->image = gtk_pixmap_new(pixmap, mask);
122 gtk_scrolled_window_add_with_viewport
123 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
126 gtk_pixmap_set(imageviewer->image, pixmap, mask);
128 gtk_widget_show(imageviewer->image);
130 g_object_unref(pixbuf);
134 static void image_viewer_load_file(ImageViewer *imageviewer, const gchar *imgfile)
142 debug_print("image_viewer_show_mimepart\n");
144 im = gdk_imlib_load_image(imgfile);
146 g_warning("Can't load the image.");
150 if (imageviewer->resize_img) {
151 avail_width = imageviewer->notebook->parent->allocation.width;
152 avail_height = imageviewer->notebook->parent->allocation.height;
153 if (avail_width > 8) avail_width -= 8;
154 if (avail_height > 8) avail_height -= 8;
156 image_viewer_get_resized_size(im->rgb_width, im->rgb_height,
157 avail_width, avail_height,
158 &new_width, &new_height);
160 new_width = im->rgb_width;
161 new_height = im->rgb_height;
164 gdk_imlib_render(im, new_width, new_height);
166 if (!imageviewer->image) {
167 imageviewer->image = gtk_image_new_from_pixmap(gdk_imlib_move_image(im),
168 gdk_imlib_move_mask(im));
170 gtk_scrolled_window_add_with_viewport
171 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin),
174 gtk_image_set_from_pixmap(GTK_IMAGE(imageviewer->image),
175 gdk_imlib_move_image(im),
176 gdk_imlib_move_mask(im));
178 gtk_widget_show(imageviewer->image);
180 gdk_imlib_destroy_image(im);
182 #endif /* HAVE_GDK_IMLIB */
183 #endif /* HAVE_GDK_PIXBUF */
185 static void image_viewer_set_notebook_page(MimeViewer *_mimeviewer)
187 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
189 if (!imageviewerprefs.display_img)
190 gtk_notebook_set_page(GTK_NOTEBOOK(imageviewer->notebook), 0);
192 gtk_notebook_set_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
195 static void image_viewer_load_image(ImageViewer *imageviewer)
199 if (imageviewer->mimeinfo == NULL)
202 imgfile = procmime_get_tmp_file_name(imageviewer->mimeinfo);
203 if (procmime_get_part(imgfile, imageviewer->mimeinfo) < 0) {
204 g_warning("Can't get mimepart file");
208 image_viewer_load_file(imageviewer, imgfile);
213 static void image_viewer_show_mimepart(MimeViewer *_mimeviewer, const gchar *file, MimeInfo *mimeinfo)
215 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
217 image_viewer_clear_viewer(_mimeviewer);
218 g_free(imageviewer->file);
219 imageviewer->file = g_strdup(file);
220 imageviewer->mimeinfo = mimeinfo;
222 if (imageviewerprefs.display_img)
223 image_viewer_load_image(imageviewer);
225 gtk_label_set_text(GTK_LABEL(imageviewer->filename),
226 procmime_mimeinfo_get_parameter(mimeinfo, "name"));
227 gtk_label_set_text(GTK_LABEL(imageviewer->filesize), to_human_readable(mimeinfo->length));
228 gtk_label_set_text(GTK_LABEL(imageviewer->content_type), mimeinfo->subtype);
232 static void image_viewer_clear_viewer(MimeViewer *_mimeviewer)
234 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
235 GtkAdjustment *hadj, *vadj;
237 debug_print("image_viewer_clear_viewer\n");
239 image_viewer_set_notebook_page(_mimeviewer);
241 if (imageviewer->image != NULL)
242 gtk_image_set_from_pixmap(GTK_IMAGE(imageviewer->image), NULL, NULL);
243 hadj = gtk_scrolled_window_get_hadjustment
244 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
245 gtk_adjustment_set_value(hadj, 0.0);
246 vadj = gtk_scrolled_window_get_vadjustment
247 (GTK_SCROLLED_WINDOW(imageviewer->scrolledwin));
248 gtk_adjustment_set_value(vadj, 0.0);
250 g_free(imageviewer->file);
251 imageviewer->file = NULL;
252 imageviewer->mimeinfo = NULL;
253 imageviewer->resize_img = imageviewerprefs.resize_img;
256 static void image_viewer_destroy_viewer(MimeViewer *_mimeviewer)
258 ImageViewer *imageviewer = (ImageViewer *) _mimeviewer;
260 debug_print("image_viewer_destroy_viewer\n");
262 image_viewer_clear_viewer(_mimeviewer);
263 g_object_unref(imageviewer->notebook);
267 static void image_viewer_get_resized_size(gint w, gint h, gint aw, gint ah,
275 wratio = (gfloat)aw / (gfloat)w;
277 hratio = (gfloat)ah / (gfloat)h;
279 ratio = (wratio > hratio) ? hratio : wratio;
281 *sw = (gint)(w * ratio);
282 *sh = (gint)(h * ratio);
285 if (*sw <= 0 || *sh <= 0) {
291 static void load_cb(GtkButton *button, ImageViewer *imageviewer)
293 gtk_notebook_set_page(GTK_NOTEBOOK(imageviewer->notebook), 1);
294 image_viewer_load_image(imageviewer);
297 static gboolean scrolledwin_button_cb(GtkWidget *scrolledwin, GdkEventButton *event,
298 ImageViewer *imageviewer)
300 if (event->button == 1 && imageviewer->image) {
301 imageviewer->resize_img = !imageviewer->resize_img;
302 image_viewer_load_image(imageviewer);
308 static void scrolledwin_resize_cb(GtkWidget *scrolledwin, GtkAllocation *alloc,
309 ImageViewer *imageviewer)
311 if (imageviewer->resize_img)
312 image_viewer_load_image(imageviewer);
315 MimeViewer *image_viewer_create(void)
317 ImageViewer *imageviewer;
319 * glade generated code (do not touch)
327 GtkWidget *load_button;
329 GtkWidget *content_type;
330 GtkWidget *scrolledwin;
332 notebook = gtk_notebook_new();
333 gtk_widget_show(notebook);
334 GTK_WIDGET_UNSET_FLAGS(notebook, GTK_CAN_FOCUS);
335 gtk_notebook_set_show_tabs(GTK_NOTEBOOK(notebook), FALSE);
336 gtk_notebook_set_show_border(GTK_NOTEBOOK(notebook), FALSE);
338 table1 = gtk_table_new(4, 3, FALSE);
339 gtk_widget_show(table1);
340 gtk_container_add(GTK_CONTAINER(notebook), table1);
341 gtk_container_set_border_width(GTK_CONTAINER(table1), 8);
342 gtk_table_set_row_spacings(GTK_TABLE(table1), 4);
343 gtk_table_set_col_spacings(GTK_TABLE(table1), 4);
345 label3 = gtk_label_new(_("Filename:"));
346 gtk_widget_show(label3);
347 gtk_table_attach(GTK_TABLE(table1), label3, 0, 1, 0, 1,
348 (GtkAttachOptions) (GTK_FILL),
349 (GtkAttachOptions) (0), 0, 0);
350 gtk_misc_set_alignment(GTK_MISC(label3), 0, 0.5);
352 label4 = gtk_label_new(_("Filesize:"));
353 gtk_widget_show(label4);
354 gtk_table_attach(GTK_TABLE(table1), label4, 0, 1, 1, 2,
355 (GtkAttachOptions) (GTK_FILL),
356 (GtkAttachOptions) (0), 0, 0);
357 gtk_misc_set_alignment(GTK_MISC(label4), 0, 0.5);
359 filename = gtk_label_new("");
360 gtk_widget_show(filename);
361 gtk_table_attach(GTK_TABLE(table1), filename, 1, 3, 0, 1,
362 (GtkAttachOptions) (GTK_FILL),
363 (GtkAttachOptions) (0), 0, 0);
364 gtk_misc_set_alignment(GTK_MISC(filename), 0, 0.5);
366 filesize = gtk_label_new("");
367 gtk_widget_show(filesize);
368 gtk_table_attach(GTK_TABLE(table1), filesize, 1, 3, 1, 2,
369 (GtkAttachOptions) (GTK_FILL),
370 (GtkAttachOptions) (0), 0, 0);
371 gtk_misc_set_alignment(GTK_MISC(filesize), 0, 0.5);
373 load_button = gtk_button_new_with_label(_("Load Image"));
374 gtk_widget_show(load_button);
375 gtk_table_attach(GTK_TABLE(table1), load_button, 1, 2, 3, 4,
376 (GtkAttachOptions) (GTK_FILL),
377 (GtkAttachOptions) (0), 0, 0);
379 label5 = gtk_label_new(_("Content-Type:"));
380 gtk_widget_show(label5);
381 gtk_table_attach(GTK_TABLE(table1), label5, 0, 1, 2, 3,
382 (GtkAttachOptions) (GTK_FILL),
383 (GtkAttachOptions) (0), 0, 0);
384 gtk_misc_set_alignment(GTK_MISC(label5), 0, 0.5);
386 content_type = gtk_label_new("");
387 gtk_widget_show(content_type);
388 gtk_table_attach(GTK_TABLE(table1), content_type, 1, 3, 2, 3,
389 (GtkAttachOptions) (GTK_FILL),
390 (GtkAttachOptions) (0), 0, 0);
391 gtk_misc_set_alignment(GTK_MISC(content_type), 0, 0.5);
393 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
394 gtk_widget_show(scrolledwin);
395 gtk_container_add(GTK_CONTAINER(notebook), scrolledwin);
396 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
397 GTK_POLICY_AUTOMATIC,
398 GTK_POLICY_AUTOMATIC);
403 debug_print("Creating image view...\n");
404 imageviewer = g_new0(ImageViewer, 1);
405 imageviewer->mimeviewer.factory = &image_viewer_factory;
407 imageviewer->mimeviewer.get_widget = image_viewer_get_widget;
408 imageviewer->mimeviewer.show_mimepart = image_viewer_show_mimepart;
409 imageviewer->mimeviewer.clear_viewer = image_viewer_clear_viewer;
410 imageviewer->mimeviewer.destroy_viewer = image_viewer_destroy_viewer;
412 imageviewer->resize_img = imageviewerprefs.resize_img;
414 imageviewer->scrolledwin = scrolledwin;
415 imageviewer->image = NULL;
416 imageviewer->notebook = notebook;
417 imageviewer->filename = filename;
418 imageviewer->filesize = filesize;
419 imageviewer->content_type = content_type;
421 gtk_widget_ref(notebook);
423 g_signal_connect(G_OBJECT(load_button), "released",
424 G_CALLBACK(load_cb), imageviewer);
425 g_signal_connect(G_OBJECT(scrolledwin), "button-press-event",
426 G_CALLBACK(scrolledwin_button_cb), imageviewer);
427 g_signal_connect(G_OBJECT(scrolledwin), "size-allocate",
428 G_CALLBACK(scrolledwin_resize_cb), imageviewer);
430 image_viewer_set_notebook_page((MimeViewer *)imageviewer);
432 return (MimeViewer *) imageviewer;
435 static gchar *content_types[] =
438 MimeViewerFactory image_viewer_factory =
446 void image_viewer_init(void)
450 gtk_widget_push_visual(gdk_imlib_get_visual());
451 gtk_widget_push_colormap(gdk_imlib_get_colormap());
454 mimeview_register_viewer_factory(&image_viewer_factory);
457 void image_viewer_done(void)
459 mimeview_unregister_viewer_factory(&image_viewer_factory);