2005-12-19 [paul] 1.9.100cvs94
[claws.git] / src / gtk / pluginwindow.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto and the Sylpheed-Claws Team
4  *
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.
9  *
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.
14  *
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.
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #endif
23
24 #include <glib.h>
25 #include <glib/gi18n.h>
26 #include <string.h>
27
28 #include <gtk/gtk.h>
29 #include <gdk/gdkkeysyms.h>
30
31 #include "plugin.h"
32
33 #include "filesel.h"
34 #include "alertpanel.h"
35 #include "prefs_common.h"
36 #include "../inc.h"
37
38 enum {
39         PLUGINWINDOW_NAME,              /*<! plugin name */
40         PLUGINWINDOW_DATA,              /*<! Plugin pointer */
41         N_PLUGINWINDOW_COLUMNS
42 };
43
44 typedef struct _PluginWindow
45 {
46         GtkWidget *window;
47         GtkWidget *plugin_list_view;
48         GtkWidget *plugin_desc;
49         GtkWidget *unload_btn;
50
51         Plugin *selected_plugin;
52 } PluginWindow;
53
54 static GtkListStore* pluginwindow_create_data_store     (void);
55 static GtkWidget *pluginwindow_list_view_create         (PluginWindow *pluginwindow);
56 static void pluginwindow_create_list_view_columns       (GtkWidget *list_view);
57 static gboolean pluginwindow_selected                   (GtkTreeSelection *selector,
58                                                          GtkTreeModel *model, 
59                                                          GtkTreePath *path,
60                                                          gboolean currently_selected,
61                                                          gpointer data);
62
63 static void close_cb(GtkButton *button, PluginWindow *pluginwindow)
64 {
65         gtk_widget_destroy(pluginwindow->window);
66         g_free(pluginwindow);
67         plugin_save_list();
68         inc_unlock();
69 }
70
71 static void set_plugin_list(PluginWindow *pluginwindow)
72 {
73         GSList *plugins, *cur;
74         const gchar *text;
75         GtkListStore *store;
76         GtkTreeIter iter;
77         GtkTextBuffer *textbuf;
78         GtkTextIter start_iter, end_iter;
79         GtkTreeSelection *selection;
80
81         plugins = plugin_get_list();
82
83         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
84                                 (pluginwindow->plugin_list_view)));
85         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
86                                              0, GTK_SORT_ASCENDING);
87         gtk_list_store_clear(store);
88         
89         textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pluginwindow->plugin_desc));
90         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
91         gtk_text_view_set_editable(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
92         gtk_text_buffer_get_start_iter(textbuf, &start_iter);
93         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
94         gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
95         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
96
97         for(cur = plugins; cur != NULL; cur = g_slist_next(cur)) {
98                 Plugin *plugin = (Plugin *) cur->data;
99
100                 gtk_list_store_append(store, &iter);
101                 text = plugin_get_name(plugin); 
102                 gtk_list_store_set(store, &iter,
103                                    PLUGINWINDOW_NAME, text,
104                                    PLUGINWINDOW_DATA, plugin,
105                                    -1);
106         }
107
108         if (pluginwindow->selected_plugin == NULL) { 
109                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW
110                                 (pluginwindow->plugin_list_view));
111                 gtk_tree_selection_unselect_all(selection);                             
112         }               
113         g_slist_free(plugins);
114 }
115
116 static void select_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
117 {
118         GtkTextView *plugin_desc = GTK_TEXT_VIEW(pluginwindow->plugin_desc);
119         GtkTextBuffer *textbuf = gtk_text_view_get_buffer(plugin_desc);
120         GtkTextIter start_iter, end_iter;
121         const gchar *text;
122
123         pluginwindow->selected_plugin = plugin;
124
125         if (pluginwindow->selected_plugin != NULL) {
126                 gtk_text_buffer_get_start_iter(textbuf, &start_iter);
127                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
128                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
129                 text = g_strconcat(plugin_get_desc(plugin), _("\n\nVersion: "),
130                                    plugin_get_version(plugin), "\n", NULL);
131                 gtk_text_buffer_insert(textbuf, &start_iter, text, strlen(text));
132                 gtk_widget_set_sensitive(pluginwindow->unload_btn, TRUE);
133         } else {
134                 gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
135         }
136 }
137
138 static void unselect_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
139 {
140         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);      
141 }
142
143 static void unload_cb(GtkButton *button, PluginWindow *pluginwindow)
144 {
145         Plugin *plugin = pluginwindow->selected_plugin;
146
147         g_return_if_fail(plugin != NULL);
148         plugin_unload(plugin);
149         pluginwindow->selected_plugin = NULL;
150         set_plugin_list(pluginwindow);
151 }
152
153 static void load_cb(GtkButton *button, PluginWindow *pluginwindow)
154 {
155         gchar *file, *error = NULL;
156
157         file = filesel_select_file_open_with_filter(_("Select Plugin to load"), 
158                                                     PLUGINDIR, 
159                                                     "*." G_MODULE_SUFFIX);
160         if (file == NULL)
161                 return;
162
163         plugin_load(file, &error);
164         if (error != NULL) {
165                 alertpanel_error(_("The following error occured while loading the plugin:\n%s\n"), error);
166                 g_free(error);
167         }
168
169         set_plugin_list(pluginwindow);
170         g_free(file);
171 }
172
173 static gboolean pluginwindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
174                                      PluginWindow *pluginwindow)
175 {
176         if (event) {
177                 switch (event->keyval) {
178                         case GDK_Escape : 
179                         case GDK_Return : 
180                         case GDK_KP_Enter :
181                                 close_cb(NULL, pluginwindow);
182                                 break;
183                         case GDK_Insert : 
184                         case GDK_KP_Insert :
185                         case GDK_KP_Add : 
186                         case GDK_plus :
187                                 load_cb(NULL, pluginwindow);
188                                 break;
189                         case GDK_Delete : 
190                         case GDK_KP_Delete :
191                         case GDK_KP_Subtract : 
192                         case GDK_minus :
193                                 unload_cb(NULL, pluginwindow);
194                                 break;
195                         default :
196                                 break;
197                 }
198         }
199         return FALSE;
200 }
201
202 /*!
203  *\brief        Save Gtk object size to prefs dataset
204  */
205 static void pluginwindow_size_allocate_cb(GtkWidget *widget,
206                                          GtkAllocation *allocation)
207 {
208         g_return_if_fail(allocation != NULL);
209
210         prefs_common.pluginswin_width = allocation->width;
211         prefs_common.pluginswin_height = allocation->height;
212 }
213
214
215 void pluginwindow_create()
216 {
217         PluginWindow *pluginwindow;
218         /* ---------------------- code made by glade ---------------------- */
219         GtkWidget *window;
220         GtkWidget *vbox1;
221         GtkWidget *hbox2;
222         GtkWidget *scrolledwindow2;
223         GtkWidget *plugin_list_view;
224         GtkWidget *vbox2;
225         GtkWidget *frame2;
226         GtkWidget *label13;
227         GtkWidget *scrolledwindow3;
228         GtkWidget *plugin_desc;
229         GtkWidget *hbuttonbox1;
230         GtkWidget *load_btn;
231         GtkWidget *unload_btn;
232         GtkWidget *close_btn;
233         static GdkGeometry geometry;
234         
235         debug_print("Creating plugins window...\n");
236
237         pluginwindow = g_new0(PluginWindow, 1);
238
239         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
240         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
241         gtk_window_set_title(GTK_WINDOW(window), _("Plugins"));
242         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
243
244         vbox1 = gtk_vbox_new(FALSE, 4);
245         gtk_widget_show(vbox1);
246         gtk_container_add(GTK_CONTAINER(window), vbox1);
247
248         hbox2 = gtk_hbox_new(FALSE, 8);
249         gtk_widget_show(hbox2);
250         gtk_box_pack_start(GTK_BOX(vbox1), hbox2, TRUE, TRUE, 0);
251
252         scrolledwindow2 = gtk_scrolled_window_new(NULL, NULL);
253         gtk_widget_show(scrolledwindow2);
254         gtk_box_pack_start(GTK_BOX(hbox2), scrolledwindow2, FALSE, FALSE, 0);
255         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
256                                        (scrolledwindow2), GTK_POLICY_NEVER,
257                                        GTK_POLICY_AUTOMATIC);
258
259         plugin_list_view = pluginwindow_list_view_create(pluginwindow);
260         gtk_widget_show(plugin_list_view);
261         gtk_container_add(GTK_CONTAINER(scrolledwindow2), plugin_list_view);
262         gtk_widget_grab_focus(GTK_WIDGET(plugin_list_view));
263
264         vbox2 = gtk_vbox_new(FALSE, 0);
265         gtk_widget_show(vbox2);
266         gtk_box_pack_start(GTK_BOX(hbox2), vbox2, TRUE, TRUE, 0);
267
268         frame2 = gtk_frame_new(NULL);
269         gtk_widget_show(frame2);
270         gtk_box_pack_start(GTK_BOX(vbox2), frame2, FALSE, TRUE, 0);
271
272         label13 = gtk_label_new(_("Description"));
273         gtk_widget_show(label13);
274         gtk_container_add(GTK_CONTAINER(frame2), label13);
275         gtk_misc_set_alignment(GTK_MISC(label13), 0, 0.5);
276         gtk_misc_set_padding(GTK_MISC(label13), 2, 2);
277
278         scrolledwindow3 = gtk_scrolled_window_new(NULL, NULL);
279         gtk_widget_show(scrolledwindow3);
280         gtk_box_pack_start(GTK_BOX(vbox2), scrolledwindow3, TRUE, TRUE, 0);
281         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
282                                        (scrolledwindow3), GTK_POLICY_NEVER,
283                                        GTK_POLICY_ALWAYS);
284
285         plugin_desc = gtk_text_view_new();
286         gtk_widget_show(plugin_desc);
287         gtk_container_add(GTK_CONTAINER(scrolledwindow3), plugin_desc);
288
289         hbuttonbox1 = gtk_hbutton_box_new();
290         gtk_widget_show(hbuttonbox1);
291         gtk_box_pack_start(GTK_BOX(vbox1), hbuttonbox1, FALSE, FALSE, 0);
292         gtk_button_box_set_layout(GTK_BUTTON_BOX(hbuttonbox1),
293                                   GTK_BUTTONBOX_END);
294         gtk_button_box_set_spacing(GTK_BUTTON_BOX(hbuttonbox1), 6);
295
296         load_btn = gtk_button_new_with_label(_("Load Plugin..."));
297         gtk_widget_show(load_btn);
298         gtk_container_add(GTK_CONTAINER(hbuttonbox1), load_btn);
299         GTK_WIDGET_SET_FLAGS(load_btn, GTK_CAN_DEFAULT);
300
301         unload_btn = gtk_button_new_with_label(_("Unload Plugin"));
302         gtk_widget_show(unload_btn);
303         gtk_container_add(GTK_CONTAINER(hbuttonbox1), unload_btn);
304         GTK_WIDGET_SET_FLAGS(unload_btn, GTK_CAN_DEFAULT);
305
306         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
307         gtk_widget_show(close_btn);
308         gtk_container_add(GTK_CONTAINER(hbuttonbox1), close_btn);
309         GTK_WIDGET_SET_FLAGS(close_btn, GTK_CAN_DEFAULT);
310         /* ----------------------------------------------------------- */
311
312         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(plugin_desc), GTK_WRAP_WORD);
313         gtk_widget_set_sensitive(GTK_WIDGET(unload_btn), FALSE);
314
315
316         g_signal_connect(G_OBJECT(load_btn), "released",
317                          G_CALLBACK(load_cb), pluginwindow);
318         g_signal_connect(G_OBJECT(unload_btn), "released",
319                          G_CALLBACK(unload_cb), pluginwindow);
320         g_signal_connect(G_OBJECT(close_btn), "released",
321                          G_CALLBACK(close_cb), pluginwindow);
322         g_signal_connect(G_OBJECT(window), "size_allocate",
323                          G_CALLBACK(pluginwindow_size_allocate_cb), NULL);
324         g_signal_connect(G_OBJECT(window), "key_press_event",
325                            G_CALLBACK(pluginwindow_key_pressed), pluginwindow);
326
327         pluginwindow->window = window;
328         pluginwindow->plugin_list_view = plugin_list_view;
329         pluginwindow->plugin_desc = plugin_desc;
330         pluginwindow->unload_btn = unload_btn;
331         pluginwindow->selected_plugin = NULL;
332
333         set_plugin_list(pluginwindow);
334
335         inc_lock();
336
337         if (!geometry.min_height) {
338                 geometry.min_width = 480;
339                 geometry.min_height = 300;
340         }
341
342         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
343                                       GDK_HINT_MIN_SIZE);
344         gtk_widget_set_size_request(window, prefs_common.pluginswin_width,
345                                     prefs_common.pluginswin_height);
346
347         gtk_widget_show(window);
348 }
349
350 static GtkListStore* pluginwindow_create_data_store(void)
351 {
352         return gtk_list_store_new(N_PLUGINWINDOW_COLUMNS,
353                                   G_TYPE_STRING,        
354                                   G_TYPE_POINTER,
355                                   -1);
356 }
357
358 static GtkWidget *pluginwindow_list_view_create(PluginWindow *pluginwindow)
359 {
360         GtkTreeView *list_view;
361         GtkTreeSelection *selector;
362         GtkTreeModel *model;
363
364         model = GTK_TREE_MODEL(pluginwindow_create_data_store());
365         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
366         g_object_unref(model);  
367         
368         gtk_tree_view_set_rules_hint(list_view, prefs_common.enable_rules_hint);
369         
370         selector = gtk_tree_view_get_selection(list_view);
371         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
372         gtk_tree_selection_set_select_function(selector, pluginwindow_selected,
373                                                pluginwindow, NULL);
374
375         /* create the columns */
376         pluginwindow_create_list_view_columns(GTK_WIDGET(list_view));
377
378         return GTK_WIDGET(list_view);
379 }
380
381 static void pluginwindow_create_list_view_columns(GtkWidget *list_view)
382 {
383         GtkTreeViewColumn *column;
384         GtkCellRenderer *renderer;
385
386         renderer = gtk_cell_renderer_text_new();
387         column = gtk_tree_view_column_new_with_attributes
388                 (_("Plugins"),
389                  renderer,
390                  "text", PLUGINWINDOW_NAME,
391                  NULL);
392         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);          
393 }
394
395 static gboolean pluginwindow_selected(GtkTreeSelection *selector,
396                                       GtkTreeModel *model, 
397                                       GtkTreePath *path,
398                                       gboolean currently_selected,
399                                       gpointer data)
400 {
401         GtkTreeIter iter;
402         Plugin *plugin;
403         
404         if (!gtk_tree_model_get_iter(model, &iter, path))
405                 return TRUE;
406
407         gtk_tree_model_get(model, &iter, 
408                            PLUGINWINDOW_DATA, &plugin,
409                            -1);
410
411         if (currently_selected) 
412                 unselect_row_cb(plugin, data);
413         else
414                 select_row_cb(plugin, data);
415
416         return TRUE;
417 }
418