1 /**
2 * \brief Base class for dialogs in Inkscape. This class provides certain
3 * common behaviors and styles wanted of all dialogs in the application.
4 *
5 * Author:
6 * Bryce W. Harrington <bryce@bryceharrington.org>
7 * buliabyak@gmail.com
8 * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
9 *
10 * Copyright (C) 2004-2007 Authors
11 *
12 * Released under GNU GPL. Read the file 'COPYING' for more information.
13 */
15 #ifdef HAVE_CONFIG_H
16 # include <config.h>
17 #endif
19 #include <gtkmm/stock.h>
20 #include <gtk/gtk.h>
22 #include "application/application.h"
23 #include "application/editor.h"
24 #include "inkscape.h"
25 #include "event-context.h"
26 #include "desktop.h"
27 #include "desktop-handles.h"
28 #include "dialog-manager.h"
29 #include "dialogs/dialog-events.h"
30 #include "shortcuts.h"
31 #include "prefs-utils.h"
32 #include "interface.h"
33 #include "verbs.h"
36 #define MIN_ONSCREEN_DISTANCE 50
40 namespace Inkscape {
41 namespace UI {
42 namespace Dialog {
44 //#ifndef WIN32
45 static gboolean
46 sp_retransientize_again (gpointer dlgPtr)
47 {
48 Dialog *dlg = (Dialog *)dlgPtr;
49 dlg->retransientize_suppress = false;
50 return FALSE; // so that it is only called once
51 }
52 //#endif
54 static void
55 sp_retransientize (Inkscape::Application *inkscape, SPDesktop *desktop, gpointer dlgPtr)
56 {
57 Dialog *dlg = (Dialog *)dlgPtr;
58 dlg->onDesktopActivated (desktop);
59 }
61 static void
62 sp_dialog_shutdown (GtkObject *object, gpointer dlgPtr)
63 {
64 Dialog *dlg = (Dialog *)dlgPtr;
65 dlg->onShutdown();
66 }
68 void
69 Dialog::present()
70 {
71 Gtk::Dialog::present();
72 }
74 void
75 Dialog::save_geometry()
76 {
77 int y, x, w, h;
79 get_position(x, y);
80 get_size(w, h);
82 // g_print ("write %d %d %d %d\n", x, y, w, h);
84 if (x<0) x=0;
85 if (y<0) y=0;
87 prefs_set_int_attribute (_prefs_path, "x", x);
88 prefs_set_int_attribute (_prefs_path, "y", y);
89 prefs_set_int_attribute (_prefs_path, "w", w);
90 prefs_set_int_attribute (_prefs_path, "h", h);
91 }
93 void
94 Dialog::read_geometry()
95 {
96 _user_hidden = false;
98 int x = prefs_get_int_attribute (_prefs_path, "x", -1000);
99 int y = prefs_get_int_attribute (_prefs_path, "y", -1000);
100 int w = prefs_get_int_attribute (_prefs_path, "w", 0);
101 int h = prefs_get_int_attribute (_prefs_path, "h", 0);
103 // g_print ("read %d %d %d %d\n", x, y, w, h);
105 // If there are stored height and width values for the dialog,
106 // resize the window to match; otherwise we leave it at its default
107 if (w != 0 && h != 0) {
108 resize (w, h);
109 }
111 // If there are stored values for where the dialog should be
112 // located, then restore the dialog to that position.
113 // also check if (x,y) is actually onscreen with the current screen dimensions
114 if ( (x >= 0) && (y >= 0) && (x < (gdk_screen_width()-MIN_ONSCREEN_DISTANCE)) && (y < (gdk_screen_height()-MIN_ONSCREEN_DISTANCE)) ) {
115 move(x, y);
116 } else {
117 // ...otherwise just put it in the middle of the screen
118 set_position(Gtk::WIN_POS_CENTER);
119 }
120 }
122 void hideCallback(GtkObject *object, gpointer dlgPtr)
123 {
124 g_return_if_fail( dlgPtr != NULL );
126 Dialog *dlg = (Dialog *)dlgPtr;
127 dlg->onHideF12();
128 }
130 void unhideCallback(GtkObject *object, gpointer dlgPtr)
131 {
132 g_return_if_fail( dlgPtr != NULL );
134 Dialog *dlg = (Dialog *)dlgPtr;
135 dlg->onShowF12();
136 }
138 //=====================================================================
140 /**
141 * UI::Dialog::Dialog is a base class for all dialogs in Inkscape. The
142 * purpose of this class is to provide a unified place for ensuring
143 * style and behavior. Specifically, this class provides functionality
144 * for saving and restoring the size and position of dialogs (through
145 * the user's preferences file).
146 *
147 * It also provides some general purpose signal handlers for things like
148 * showing and hiding all dialogs.
149 */
150 Dialog::Dialog(const char *prefs_path, int verb_num, const char *apply_label)
151 {
152 hide();
153 set_has_separator(false);
155 _prefs_path = prefs_path;
157 if (prefs_get_int_attribute ("dialogs", "showclose", 0) || apply_label) {
158 // TODO: make the order of buttons obey the global preference
159 if (apply_label) {
160 add_button(Glib::ustring(apply_label), Gtk::RESPONSE_APPLY);
161 set_default_response(Gtk::RESPONSE_APPLY);
162 }
163 add_button(Gtk::Stock::CLOSE, Gtk::RESPONSE_CLOSE);
164 }
166 GtkWidget *dlg = GTK_WIDGET(gobj());
168 if (verb_num)
169 {
170 gchar title[500];
171 sp_ui_dialog_title_string (Inkscape::Verb::get(verb_num), title);
172 set_title(title);
173 }
175 sp_transientize(dlg);
176 retransientize_suppress = false;
178 gtk_signal_connect( GTK_OBJECT (dlg), "event", GTK_SIGNAL_FUNC(sp_dialog_event_handler), dlg );
180 _hiddenF12 = false;
181 if (Inkscape::NSApplication::Application::getNewGui())
182 {
183 _desktop_activated_connection = Inkscape::NSApplication::Editor::connectDesktopActivated (sigc::mem_fun (*this, &Dialog::onDesktopActivated));
184 _dialogs_hidden_connection = Inkscape::NSApplication::Editor::connectDialogsHidden (sigc::mem_fun (*this, &Dialog::onHideF12));
185 _dialogs_unhidden_connection = Inkscape::NSApplication::Editor::connectDialogsUnhidden (sigc::mem_fun (*this, &Dialog::onShowF12));
186 _shutdown_connection = Inkscape::NSApplication::Editor::connectShutdown (sigc::mem_fun (*this, &Dialog::onShutdown));
187 }
188 else
189 {
190 g_signal_connect (G_OBJECT (INKSCAPE), "activate_desktop", G_CALLBACK (sp_retransientize), (void *)this);
191 g_signal_connect( G_OBJECT(INKSCAPE), "dialogs_hide", G_CALLBACK(hideCallback), (void *)this );
192 g_signal_connect( G_OBJECT(INKSCAPE), "dialogs_unhide", G_CALLBACK(unhideCallback), (void *)this );
193 g_signal_connect (G_OBJECT (INKSCAPE), "shut_down", G_CALLBACK (sp_dialog_shutdown), (void *)this);
194 }
196 g_signal_connect_after( gobj(), "key_press_event", (GCallback)windowKeyPress, NULL );
198 read_geometry();
199 present();
200 }
202 Dialog::Dialog(BaseObjectType *gobj)
203 : Gtk::Dialog(gobj)
204 {
205 }
207 Dialog::~Dialog()
208 {
209 if (Inkscape::NSApplication::Application::getNewGui())
210 {
211 _desktop_activated_connection.disconnect();
212 _dialogs_hidden_connection.disconnect();
213 _dialogs_unhidden_connection.disconnect();
214 _shutdown_connection.disconnect();
215 }
217 save_geometry();
218 }
221 bool Dialog::windowKeyPress( GtkWidget *widget, GdkEventKey *event )
222 {
223 unsigned int shortcut = 0;
224 shortcut = get_group0_keyval (event) |
225 ( event->state & GDK_SHIFT_MASK ?
226 SP_SHORTCUT_SHIFT_MASK : 0 ) |
227 ( event->state & GDK_CONTROL_MASK ?
228 SP_SHORTCUT_CONTROL_MASK : 0 ) |
229 ( event->state & GDK_MOD1_MASK ?
230 SP_SHORTCUT_ALT_MASK : 0 );
231 return sp_shortcut_invoke( shortcut, SP_ACTIVE_DESKTOP );
232 }
234 //---------------------------------------------------------------------
236 void
237 Dialog::on_response(int response_id)
238 {
239 switch (response_id) {
240 case Gtk::RESPONSE_APPLY: {
241 _apply();
242 break;
243 }
244 case Gtk::RESPONSE_CLOSE: {
245 _close();
246 break;
247 }
248 }
249 }
251 bool
252 Dialog::on_delete_event (GdkEventAny *event)
253 {
254 save_geometry();
255 _user_hidden = true;
257 return false;
258 }
260 void
261 Dialog::onHideF12()
262 {
263 _hiddenF12 = true;
264 save_geometry();
265 hide();
266 }
268 void
269 Dialog::onShowF12()
270 {
271 if (_user_hidden)
272 return;
274 if (_hiddenF12) {
275 show();
276 read_geometry();
277 }
279 _hiddenF12 = false;
280 }
282 void
283 Dialog::onShutdown()
284 {
285 save_geometry();
286 _user_hidden = true;
287 }
289 void
290 Dialog::onDesktopActivated (SPDesktop *desktop)
291 {
292 gint transient_policy = prefs_get_int_attribute_limited ( "options.transientpolicy", "value", 1, 0, 2);
294 #ifdef WIN32 // FIXME: Temporary Win32 special code to enable transient dialogs
295 if (prefs_get_int_attribute ( "options.dialogsontopwin32", "value", 0))
296 transient_policy = 2;
297 else
298 return;
299 #endif
301 if (!transient_policy)
302 return;
306 GtkWindow *dialog_win = GTK_WINDOW(gobj());
308 if (retransientize_suppress) {
309 /* if retransientizing of this dialog is still forbidden after
310 * previous call warning turned off because it was confusingly fired
311 * when loading many files from command line
312 */
314 // g_warning("Retranzientize aborted! You're switching windows too fast!");
315 return;
316 }
318 if (dialog_win)
319 {
320 retransientize_suppress = true; // disallow other attempts to retranzientize this dialog
322 desktop->setWindowTransient (dialog_win);
324 /*
325 * This enables "aggressive" transientization,
326 * i.e. dialogs always emerging on top when you switch documents. Note
327 * however that this breaks "click to raise" policy of a window
328 * manager because the switched-to document will be raised at once
329 * (so that its transients also could raise)
330 */
331 if (transient_policy == 2 && !_hiddenF12 && !_user_hidden) {
332 // without this, a transient window not always emerges on top
333 gtk_window_present (dialog_win);
334 }
335 }
337 // we're done, allow next retransientizing not sooner than after 120 msec
338 gtk_timeout_add (120, (GtkFunction) sp_retransientize_again, (gpointer) this);
339 }
342 Inkscape::Selection*
343 Dialog::_getSelection()
344 {
345 return sp_desktop_selection(SP_ACTIVE_DESKTOP);
346 }
348 void
349 Dialog::_apply()
350 {
351 g_warning("Apply button clicked for dialog [Dialog::_apply()]");
352 }
354 void
355 Dialog::_close()
356 {
357 GtkWidget *dlg = GTK_WIDGET(gobj());
359 /* this code sends a delete_event to the dialog,
360 * instead of just destroying it, so that the
361 * dialog can do some housekeeping, such as remember
362 * its position.
363 */
364 GdkEventAny event;
365 event.type = GDK_DELETE;
366 event.window = dlg->window;
367 event.send_event = TRUE;
368 g_object_ref (G_OBJECT (event.window));
369 gtk_main_do_event ((GdkEvent*)&event);
370 g_object_unref (G_OBJECT (event.window));
371 }
373 } // namespace Dialog
374 } // namespace UI
375 } // namespace Inkscape
377 /*
378 Local Variables:
379 mode:c++
380 c-file-style:"stroustrup"
381 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
382 indent-tabs-mode:nil
383 fill-column:99
384 End:
385 */
386 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :