1 #define __SP_DESKTOP_WIDGET_C__
3 /** \file
4 * Desktop widget implementation
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * MenTaLguY <mental@rydia.net>
9 * bulia byak <buliabyak@users.sf.net>
10 * Ralf Stephan <ralf@ark.in-berlin.de>
11 * John Bintz <jcoswell@coswellproductions.org>
12 * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
13 *
14 * Copyright (C) 2007 Johan Engelen
15 * Copyright (C) 2006 John Bintz
16 * Copyright (C) 2004 MenTaLguY
17 * Copyright (C) 1999-2002 Lauris Kaplinski
18 * Copyright (C) 2000-2001 Ximian, Inc.
19 *
20 * Released under GNU GPL, read the file 'COPYING' for more information
21 */
23 #ifdef HAVE_CONFIG_H
24 # include "config.h"
25 #endif
27 #include <gtkmm/paned.h>
28 #include <gtk/gtk.h>
30 #include "macros.h"
31 #include "inkscape-private.h"
32 #include "desktop-handles.h"
33 #include "desktop-events.h"
34 #include "document.h"
35 #include "desktop-widget.h"
36 #include "sp-namedview.h"
37 #include "interface.h"
38 #include "toolbox.h"
39 #include "prefs-utils.h"
40 #include "file.h"
41 #include "display/canvas-arena.h"
42 #include "display/nr-arena.h"
43 #include <extension/db.h>
44 #include "helper/units.h"
45 #include "widgets/button.h"
46 #include "widgets/ruler.h"
47 #include "widgets/widget-sizes.h"
48 #include "widgets/spw-utilities.h"
49 #include "widgets/spinbutton-events.h"
50 #include "widgets/layer-selector.h"
51 #include "ui/dialog/dialog-manager.h"
52 #include "ui/widget/dock.h"
53 #include "ui/widget/selected-style.h"
54 #include "sp-item.h"
55 #include "dialogs/swatches.h"
56 #include "conn-avoid-ref.h"
57 #include "ege-select-one-action.h"
59 #if defined (SOLARIS_2_8)
60 #include "round.h"
61 using Inkscape::round;
62 #endif
64 #ifdef WITH_INKBOARD
65 #endif
69 enum {
70 ACTIVATE,
71 DEACTIVATE,
72 MODIFIED,
73 EVENT_CONTEXT_CHANGED,
74 LAST_SIGNAL
75 };
78 //---------------------------------------------------------------------
79 /* SPDesktopWidget */
81 static void sp_desktop_widget_class_init (SPDesktopWidgetClass *klass);
82 static void sp_desktop_widget_init (SPDesktopWidget *widget);
83 static void sp_desktop_widget_destroy (GtkObject *object);
85 static void sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation);
86 static void sp_desktop_widget_realize (GtkWidget *widget);
88 static gint sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw);
90 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
91 static void sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw);
93 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
94 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
95 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
96 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
97 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
98 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
99 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
100 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
101 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
102 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
103 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
104 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
105 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
107 SPViewWidgetClass *dtw_parent_class;
109 void
110 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
111 {
112 GtkLabel *sb=GTK_LABEL(this->select_status);
113 gtk_label_set_markup (sb, message ? message : "");
115 // make sure the important messages are displayed immediately!
116 if (type == Inkscape::IMMEDIATE_MESSAGE && GTK_WIDGET_DRAWABLE (GTK_WIDGET(sb))) {
117 gtk_widget_queue_draw(GTK_WIDGET(sb));
118 gdk_window_process_updates(GTK_WIDGET(sb)->window, TRUE);
119 }
121 // FIXME: TODO: remove <b></b> before displaying as tooltip
122 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
123 }
125 NR::Point
126 SPDesktopWidget::window_get_pointer()
127 {
128 gint x,y;
129 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
130 return NR::Point(x,y);
131 }
133 /**
134 * Registers SPDesktopWidget class and returns its type number.
135 */
136 GtkType
137 sp_desktop_widget_get_type (void)
138 {
139 static GtkType type = 0;
140 if (!type) {
141 static const GtkTypeInfo info = {
142 "SPDesktopWidget",
143 sizeof (SPDesktopWidget),
144 sizeof (SPDesktopWidgetClass),
145 (GtkClassInitFunc) sp_desktop_widget_class_init,
146 (GtkObjectInitFunc) sp_desktop_widget_init,
147 NULL, NULL, NULL
148 };
149 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
150 }
151 return type;
152 }
154 /**
155 * SPDesktopWidget vtable initialization
156 */
157 static void
158 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
159 {
160 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
162 GtkObjectClass *object_class = (GtkObjectClass *) klass;
163 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
165 object_class->destroy = sp_desktop_widget_destroy;
167 widget_class->size_allocate = sp_desktop_widget_size_allocate;
168 widget_class->realize = sp_desktop_widget_realize;
169 }
171 /**
172 * Callback for SPDesktopWidget object initialization.
173 */
174 static void
175 sp_desktop_widget_init (SPDesktopWidget *dtw)
176 {
177 GtkWidget *widget;
178 GtkWidget *tbl;
179 GtkWidget *canvas_tbl;
181 GtkWidget *hbox;
182 GtkWidget *eventbox;
183 GtkStyle *style;
185 new (&dtw->modified_connection) sigc::connection();
187 widget = GTK_WIDGET (dtw);
189 dtw->window = 0;
191 dtw->desktop = NULL;
193 dtw->_interaction_disabled_counter = 0;
195 dtw->tt = gtk_tooltips_new ();
197 /* Main table */
198 dtw->vbox = gtk_vbox_new (FALSE, 0);
199 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
201 dtw->statusbar = gtk_hbox_new (FALSE, 0);
202 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
203 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
205 {
206 using Inkscape::UI::Dialogs::SwatchesPanel;
208 SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
209 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
210 dtw->panels = GTK_WIDGET(swatches->gobj());
211 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
212 }
214 hbox = gtk_hbox_new (FALSE, 0);
215 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
216 gtk_widget_show (hbox);
218 dtw->aux_toolbox = sp_aux_toolbox_new ();
219 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
221 dtw->commands_toolbox = sp_commands_toolbox_new ();
222 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
224 dtw->tool_toolbox = sp_tool_toolbox_new ();
225 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
227 tbl = gtk_table_new (2, 3, FALSE);
228 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
230 canvas_tbl = gtk_table_new (3, 3, FALSE);
232 /* Horizontal ruler */
233 eventbox = gtk_event_box_new ();
234 dtw->hruler = sp_hruler_new ();
235 dtw->hruler_box = eventbox;
236 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
237 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
238 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
239 gtk_table_attach (GTK_TABLE (canvas_tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
240 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
241 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
242 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
244 /* Vertical ruler */
245 eventbox = gtk_event_box_new ();
246 dtw->vruler = sp_vruler_new ();
247 dtw->vruler_box = eventbox;
248 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
249 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
250 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
251 gtk_table_attach (GTK_TABLE (canvas_tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
252 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
253 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
254 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
256 /* Horizontal scrollbar */
257 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
258 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
259 gtk_table_attach (GTK_TABLE (canvas_tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_SHRINK), 0, 0);
261 /* Vertical scrollbar and the sticky zoom button */
262 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
263 dtw->sticky_zoom = sp_button_new_from_data ( Inkscape::ICON_SIZE_DECORATION,
264 SP_BUTTON_TYPE_TOGGLE,
265 NULL,
266 "sticky_zoom",
267 _("Zoom drawing if window size changes"),
268 dtw->tt);
269 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
270 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
271 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
272 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
273 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
274 gtk_table_attach (GTK_TABLE (canvas_tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_SHRINK), (GtkAttachOptions)(GTK_FILL), 0, 0);
276 /* Canvas */
277 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
278 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
279 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
280 style->bg[GTK_STATE_NORMAL] = style->white;
281 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
282 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
283 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
284 gtk_table_attach (GTK_TABLE (canvas_tbl), GTK_WIDGET(dtw->canvas), 1, 2, 1, 2, (GtkAttachOptions)(GTK_FILL | GTK_EXPAND), (GtkAttachOptions)(GTK_FILL | GTK_EXPAND), 0, 0);
286 /* Dock */
287 bool create_dock =
288 prefs_get_int_attribute_limited ("options.dialogtype", "value", Inkscape::UI::Dialog::FLOATING, 0, 1) ==
289 Inkscape::UI::Dialog::DOCK;
291 if (create_dock)
292 {
293 dtw->dock = new Inkscape::UI::Widget::Dock();
295 Gtk::HPaned *paned = new Gtk::HPaned();
296 paned->pack1(*Glib::wrap(canvas_tbl));
297 paned->pack2(dtw->dock->getWidget(), Gtk::FILL);
298 gtk_table_attach (GTK_TABLE (tbl), GTK_WIDGET (paned->gobj()), 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL),
299 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
301 } else {
302 gtk_table_attach (GTK_TABLE (tbl), GTK_WIDGET (canvas_tbl), 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL),
303 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
304 }
306 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
307 GtkHBox *ss_ = dtw->selected_style->gobj();
308 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
309 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
311 // connect scrollbar signals
312 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
313 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
315 GtkWidget *statusbar_tail=gtk_statusbar_new();
316 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
317 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
319 // zoom status spinbutton
320 dtw->zoom_status = gtk_spin_button_new_with_range (log(SP_DESKTOP_ZOOM_MIN)/log(2), log(SP_DESKTOP_ZOOM_MAX)/log(2), 0.1);
321 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
322 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
323 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
324 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
325 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
326 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
327 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
328 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
329 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
330 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
331 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
332 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
334 // cursor coordinates
335 dtw->coord_status = gtk_table_new (5, 2, FALSE);
336 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
337 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
338 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
339 eventbox = gtk_event_box_new ();
340 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
341 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
342 GtkWidget *label_x = gtk_label_new("X:");
343 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
344 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
345 GtkWidget *label_y = gtk_label_new("Y:");
346 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
347 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
348 dtw->coord_status_x = gtk_label_new(NULL);
349 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_x), "<tt> 0.00 </tt>" );
350 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 1.0, 0.5);
351 dtw->coord_status_y = gtk_label_new(NULL);
352 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_y), "<tt> 0.00 </tt>" );
353 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 1.0, 0.5);
354 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
355 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
356 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
357 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
358 sp_set_font_size_smaller (dtw->coord_status);
359 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
361 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
362 // FIXME: need to unreference on container destruction to avoid leak
363 dtw->layer_selector->reference();
364 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
365 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
367 dtw->select_status_eventbox = gtk_event_box_new ();
368 dtw->select_status = gtk_label_new (NULL);
369 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
370 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
371 #endif
372 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
373 gtk_widget_set_size_request (dtw->select_status, 1, -1);
374 // display the initial welcome message in the statusbar
375 gtk_label_set_markup (GTK_LABEL (dtw->select_status), _("<b>Welcome to Inkscape!</b> Use shape or freehand tools to create objects; use selector (arrow) to move or transform them."));
376 // space label 2 pixels from left edge
377 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
378 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
379 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
381 gtk_widget_show_all (dtw->vbox);
382 }
384 /**
385 * Called before SPDesktopWidget destruction.
386 */
387 static void
388 sp_desktop_widget_destroy (GtkObject *object)
389 {
390 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
392 if (dtw->desktop) {
393 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
394 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
395 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
396 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
397 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
398 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
400 dtw->layer_selector->unreference();
401 inkscape_remove_desktop (dtw->desktop); // clears selection too
402 dtw->modified_connection.disconnect();
403 dtw->desktop->destroy();
404 Inkscape::GC::release (dtw->desktop);
405 dtw->desktop = NULL;
406 }
408 dtw->modified_connection.~connection();
410 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
411 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
412 }
413 }
416 /**
417 * Set the title in the desktop-window (if desktop has an own window).
418 *
419 * The title has form file name: desktop number - Inkscape.
420 * The desktop number is only shown if it's 2 or higher,
421 */
422 void
423 SPDesktopWidget::updateTitle(gchar const* uri)
424 {
425 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
427 if (window) {
428 gchar const *fname = ( TRUE
429 ? uri
430 : g_basename(uri) );
431 GString *name = g_string_new ("");
432 if (this->desktop->number > 1) {
433 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
434 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
435 } else {
436 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
437 }
438 } else {
439 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
440 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
441 } else {
442 g_string_printf (name, _("%s - Inkscape"), fname);
443 }
444 }
445 window->set_title (name->str);
446 g_string_free (name, TRUE);
447 }
448 }
450 Inkscape::UI::Widget::Dock*
451 SPDesktopWidget::getDock()
452 {
453 return dock;
454 }
456 /**
457 * Callback to allocate space for desktop widget.
458 */
459 static void
460 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
461 {
462 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
464 if ((allocation->x == widget->allocation.x) &&
465 (allocation->y == widget->allocation.y) &&
466 (allocation->width == widget->allocation.width) &&
467 (allocation->height == widget->allocation.height)) {
468 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
469 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
470 return;
471 }
473 if (GTK_WIDGET_REALIZED (widget)) {
474 NR::Rect const area = dtw->desktop->get_display_area();
475 double zoom = dtw->desktop->current_zoom();
477 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
478 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
479 }
481 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
482 /* Calculate zoom per pixel */
483 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
484 /* Find new visible area */
485 NR::Rect newarea = dtw->desktop->get_display_area();
486 /* Calculate adjusted zoom */
487 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
488 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
489 } else {
490 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
491 }
493 } else {
494 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
495 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
496 }
497 // this->size_allocate (widget, allocation);
498 }
499 }
501 /**
502 * Callback to realize desktop widget.
503 */
504 static void
505 sp_desktop_widget_realize (GtkWidget *widget)
506 {
508 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
510 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
511 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
513 NRRect d;
514 d.x0 = 0.0;
515 d.y0 = 0.0;
516 d.x1 = sp_document_width (dtw->desktop->doc());
517 d.y1 = sp_document_height (dtw->desktop->doc());
519 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
521 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
523 /* Listen on namedview modification */
524 // originally (prior to the sigc++ conversion) the signal was simply
525 // connected twice rather than disconnecting the first connection
526 dtw->modified_connection.disconnect();
527 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
528 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
530 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
531 }
533 /**
534 * Callback to handle desktop widget event.
535 */
536 static gint
537 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
538 {
539 if (event->type == GDK_BUTTON_PRESS) {
540 // defocus any spinbuttons
541 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
542 }
544 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
545 if (event->button.state & GDK_SHIFT_MASK) {
546 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
547 } else {
548 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
549 }
550 }
552 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
553 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
554 } else {
555 // The keypress events need to be passed to desktop handler explicitly,
556 // because otherwise the event contexts only receive keypresses when the mouse cursor
557 // is over the canvas. This redirection is only done for keypresses and only if there's no
558 // current item on the canvas, because item events and all mouse events are caught
559 // and passed on by the canvas acetate (I think). --bb
560 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
561 return sp_desktop_root_handler (NULL, event, dtw->desktop);
562 }
563 }
565 return FALSE;
566 }
568 void
569 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
570 {
571 /* update active desktop indicator */
572 }
574 void
575 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
576 {
577 /* update inactive desktop indicator */
578 }
580 /**
581 * Shuts down the desktop object for the view being closed. It checks
582 * to see if the document has been edited, and if so prompts the user
583 * to save, discard, or cancel. Returns TRUE if the shutdown operation
584 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
585 */
586 bool
587 SPDesktopWidget::shutdown()
588 {
589 g_assert(desktop != NULL);
591 if (inkscape_is_sole_desktop_for_document(*desktop)) {
592 SPDocument *doc = desktop->doc();
593 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
594 GtkWidget *dialog;
596 /** \todo
597 * FIXME !!! obviously this will have problems if the document
598 * name contains markup characters
599 */
600 dialog = gtk_message_dialog_new_with_markup(
601 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
602 GTK_DIALOG_DESTROY_WITH_PARENT,
603 GTK_MESSAGE_WARNING,
604 GTK_BUTTONS_NONE,
605 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
606 "If you close without saving, your changes will be discarded."),
607 SP_DOCUMENT_NAME(doc));
608 // fix for bug 1767940:
609 GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(GTK_MESSAGE_DIALOG(dialog)->label), GTK_CAN_FOCUS);
611 GtkWidget *close_button;
612 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
613 gtk_widget_show(close_button);
614 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
616 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
617 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
618 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
620 gint response;
621 response = gtk_dialog_run(GTK_DIALOG(dialog));
622 gtk_widget_destroy(dialog);
624 switch (response) {
625 case GTK_RESPONSE_YES:
626 {
627 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
629 sp_document_ref(doc);
630 if (sp_file_save_document(*window, doc)) {
631 sp_document_unref(doc);
632 } else { // save dialog cancelled or save failed
633 sp_document_unref(doc);
634 return TRUE;
635 }
637 break;
638 }
639 case GTK_RESPONSE_NO:
640 break;
641 default: // cancel pressed, or dialog was closed
642 return TRUE;
643 break;
644 }
645 }
646 /* Code to check data loss */
647 bool allow_data_loss = FALSE;
648 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
649 GtkWidget *dialog;
651 /** \todo
652 * FIXME !!! obviously this will have problems if the document
653 * name contains markup characters
654 */
655 dialog = gtk_message_dialog_new_with_markup(
656 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
657 GTK_DIALOG_DESTROY_WITH_PARENT,
658 GTK_MESSAGE_WARNING,
659 GTK_BUTTONS_NONE,
660 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
661 "Do you want to save this file in another format?"),
662 SP_DOCUMENT_NAME(doc),
663 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
664 // fix for bug 1767940:
665 GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(GTK_MESSAGE_DIALOG(dialog)->label), GTK_CAN_FOCUS);
667 GtkWidget *close_button;
668 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
669 gtk_widget_show(close_button);
670 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
672 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
673 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
674 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
676 gint response;
677 response = gtk_dialog_run(GTK_DIALOG(dialog));
678 gtk_widget_destroy(dialog);
680 switch (response) {
681 case GTK_RESPONSE_YES:
682 {
683 sp_document_ref(doc);
685 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
687 if (sp_file_save_dialog(*window, doc)) {
688 sp_document_unref(doc);
689 } else { // save dialog cancelled or save failed
690 sp_document_unref(doc);
691 return TRUE;
692 }
694 break;
695 }
696 case GTK_RESPONSE_NO:
697 allow_data_loss = TRUE;
698 break;
699 default: // cancel pressed, or dialog was closed
700 return TRUE;
701 break;
702 }
703 }
704 }
706 /* Save window geometry to prefs for use as a default.
707 * Use depends on setting of "options.savewindowgeometry".
708 * But we save the info here regardless of the setting.
709 */
710 {
711 gint full = desktop->is_fullscreen() ? 1 : 0;
712 gint maxed = desktop->is_maximized() ? 1 : 0;
713 prefs_set_int_attribute("desktop.geometry", "fullscreen", full);
714 prefs_set_int_attribute("desktop.geometry", "maximized", maxed);
715 gint w, h, x, y;
716 desktop->getWindowGeometry(x, y, w, h);
717 // Don't save geom for maximized windows. It
718 // just tells you the current maximized size, which is not
719 // as useful as whatever value it had previously.
720 if (!maxed && !full) {
721 prefs_set_int_attribute("desktop.geometry", "width", w);
722 prefs_set_int_attribute("desktop.geometry", "height", h);
723 prefs_set_int_attribute("desktop.geometry", "x", x);
724 prefs_set_int_attribute("desktop.geometry", "y", y);
725 }
726 }
728 return FALSE;
729 }
731 /**
732 * \pre this->desktop->main != 0
733 */
734 void
735 SPDesktopWidget::requestCanvasUpdate() {
736 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
737 }
739 void
740 SPDesktopWidget::requestCanvasUpdateAndWait() {
741 requestCanvasUpdate();
743 while (gtk_events_pending())
744 gtk_main_iteration_do(FALSE);
746 }
748 void
749 SPDesktopWidget::enableInteraction()
750 {
751 g_return_if_fail(_interaction_disabled_counter > 0);
753 _interaction_disabled_counter--;
755 if (_interaction_disabled_counter == 0) {
756 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
757 }
758 }
760 void
761 SPDesktopWidget::disableInteraction()
762 {
763 if (_interaction_disabled_counter == 0) {
764 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
765 }
767 _interaction_disabled_counter++;
768 }
770 void
771 SPDesktopWidget::setCoordinateStatus(NR::Point p)
772 {
773 gchar *cstr;
774 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::X]);
775 gtk_label_set_markup( GTK_LABEL(this->coord_status_x), cstr );
776 g_free(cstr);
778 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::Y]);
779 gtk_label_set_markup( GTK_LABEL(this->coord_status_y), cstr );
780 g_free(cstr);
781 }
783 void
784 SPDesktopWidget::letZoomGrabFocus()
785 {
786 if (zoom_status)
787 gtk_widget_grab_focus (zoom_status);
788 }
790 void
791 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
792 {
793 gboolean vis = GTK_WIDGET_VISIBLE (this);
795 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
797 if (window)
798 {
799 window->get_size (w, h);
800 window->get_position (x, y);
801 }
802 }
804 void
805 SPDesktopWidget::setWindowPosition (NR::Point p)
806 {
807 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
809 if (window)
810 {
811 window->move (gint(round(p[NR::X])), gint(round(p[NR::Y])));
812 }
813 }
815 void
816 SPDesktopWidget::setWindowSize (gint w, gint h)
817 {
818 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
820 if (window)
821 {
822 window->set_default_size (w, h);
823 window->reshow_with_initial_size ();
824 }
825 }
827 /**
828 * \note transientizing does not work on windows; when you minimize a document
829 * and then open it back, only its transient emerges and you cannot access
830 * the document window. The document window must be restored by rightclicking
831 * the taskbar button and pressing "Restore"
832 */
833 void
834 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
835 {
836 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
837 if (w)
838 {
839 gtk_window_set_transient_for (GTK_WINDOW(p), w);
841 /*
842 * This enables "aggressive" transientization,
843 * i.e. dialogs always emerging on top when you switch documents. Note
844 * however that this breaks "click to raise" policy of a window
845 * manager because the switched-to document will be raised at once
846 * (so that its transients also could raise)
847 */
848 if (transient_policy == 2)
850 // without this, a transient window not always emerges on top
851 gtk_window_present (w);
852 }
853 }
855 void
856 SPDesktopWidget::presentWindow()
857 {
858 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
859 if (w)
860 gtk_window_present (w);
861 }
863 bool
864 SPDesktopWidget::warnDialog (gchar* text)
865 {
866 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
867 if (w)
868 {
869 GtkWidget *dialog = gtk_message_dialog_new(
870 w,
871 GTK_DIALOG_DESTROY_WITH_PARENT,
872 GTK_MESSAGE_WARNING,
873 GTK_BUTTONS_YES_NO,
874 "%s", text);
875 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
876 gtk_widget_destroy(dialog);
877 if (response == GTK_RESPONSE_YES)
878 return true;
879 }
880 return false;
881 }
883 void
884 sp_desktop_widget_iconify(SPDesktopWidget *dtw)
885 {
886 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
887 if (GTK_IS_WINDOW(topw)) {
888 if (dtw->desktop->is_iconified()) {
889 gtk_window_deiconify(topw);
890 } else {
891 gtk_window_iconify(topw);
892 }
893 }
894 }
896 void
897 sp_desktop_widget_maximize(SPDesktopWidget *dtw)
898 {
899 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
900 if (GTK_IS_WINDOW(topw)) {
901 if (dtw->desktop->is_maximized()) {
902 gtk_window_unmaximize(topw);
903 } else {
904 // Save geometry to prefs before maximizing so that
905 // something useful is stored there, because GTK doesn't maintain
906 // a separate non-maximized size.
907 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_fullscreen())
908 {
909 gint w, h, x, y;
910 dtw->getWindowGeometry(x, y, w, h);
911 prefs_set_int_attribute("desktop.geometry", "width", w);
912 prefs_set_int_attribute("desktop.geometry", "height", h);
913 prefs_set_int_attribute("desktop.geometry", "x", x);
914 prefs_set_int_attribute("desktop.geometry", "y", y);
915 }
916 gtk_window_maximize(topw);
917 }
918 }
919 }
921 void
922 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
923 {
924 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
925 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
926 if (GTK_IS_WINDOW(topw)) {
927 if (dtw->desktop->is_fullscreen()) {
928 gtk_window_unfullscreen(topw);
929 // widget layout is triggered by the resulting window_state_event
930 } else {
931 // Save geometry to prefs before maximizing so that
932 // something useful is stored there, because GTK doesn't maintain
933 // a separate non-maximized size.
934 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_maximized())
935 {
936 gint w, h, x, y;
937 dtw->getWindowGeometry(x, y, w, h);
938 prefs_set_int_attribute("desktop.geometry", "width", w);
939 prefs_set_int_attribute("desktop.geometry", "height", h);
940 prefs_set_int_attribute("desktop.geometry", "x", x);
941 prefs_set_int_attribute("desktop.geometry", "y", y);
942 }
943 gtk_window_fullscreen(topw);
944 // widget layout is triggered by the resulting window_state_event
945 }
946 }
947 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
948 }
950 /**
951 * Hide whatever the user does not want to see in the window
952 */
953 void
954 sp_desktop_widget_layout (SPDesktopWidget *dtw)
955 {
956 bool fullscreen = dtw->desktop->is_fullscreen();
958 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
959 gtk_widget_hide_all (dtw->menubar);
960 } else {
961 gtk_widget_show_all (dtw->menubar);
962 }
964 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
965 gtk_widget_hide_all (dtw->commands_toolbox);
966 } else {
967 gtk_widget_show_all (dtw->commands_toolbox);
968 }
970 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
971 gtk_widget_hide_all (dtw->aux_toolbox);
972 } else {
973 // we cannot just show_all because that will show all tools' panels;
974 // this is a function from toolbox.cpp that shows only the current tool's panel
975 show_aux_toolbox (dtw->aux_toolbox);
976 }
978 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
979 gtk_widget_hide_all (dtw->tool_toolbox);
980 } else {
981 gtk_widget_show_all (dtw->tool_toolbox);
982 }
984 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
985 gtk_widget_hide_all (dtw->statusbar);
986 } else {
987 gtk_widget_show_all (dtw->statusbar);
988 }
990 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
991 gtk_widget_hide_all( dtw->panels );
992 } else {
993 gtk_widget_show_all( dtw->panels );
994 }
996 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
997 gtk_widget_hide_all (dtw->hscrollbar);
998 gtk_widget_hide_all (dtw->vscrollbar_box);
999 } else {
1000 gtk_widget_show_all (dtw->hscrollbar);
1001 gtk_widget_show_all (dtw->vscrollbar_box);
1002 }
1004 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
1005 gtk_widget_hide_all (dtw->hruler);
1006 gtk_widget_hide_all (dtw->vruler);
1007 } else {
1008 gtk_widget_show_all (dtw->hruler);
1009 gtk_widget_show_all (dtw->vruler);
1010 }
1011 }
1013 void
1014 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
1015 {
1016 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
1017 if (hb && GTK_IS_WIDGET(hb))
1018 {
1019 gtk_widget_grab_focus(GTK_WIDGET(hb));
1020 }
1021 }
1023 void
1024 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
1025 {
1026 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
1027 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
1028 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
1029 gtk_adjustment_set_value (a, value);
1030 }
1031 }
1033 void
1034 SPDesktopWidget::setToolboxSelectOneValue (gchar const *id, int value)
1035 {
1036 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
1037 if (hb) {
1038 ege_select_one_action_set_active((EgeSelectOneAction*) hb, value);
1039 }
1040 }
1043 bool
1044 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
1045 {
1046 bool isActive = false;
1047 gpointer thing = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
1048 if ( !thing ) {
1049 //g_message( "Unable to locate item for {%s}", id );
1050 } else if ( GTK_IS_TOGGLE_BUTTON(thing) ) {
1051 GtkToggleButton *b = GTK_TOGGLE_BUTTON(thing);
1052 isActive = gtk_toggle_button_get_active( b ) != 0;
1053 } else if ( GTK_IS_TOGGLE_ACTION(thing) ) {
1054 GtkToggleAction* act = GTK_TOGGLE_ACTION(thing);
1055 isActive = gtk_toggle_action_get_active( act ) != 0;
1056 } else {
1057 //g_message( "Item for {%s} is of an unsupported type", id );
1058 }
1060 return isActive;
1061 }
1063 SPViewWidget *
1064 sp_desktop_widget_new (SPNamedView *namedview)
1065 {
1066 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
1068 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
1070 dtw->ruler_origin = NR::Point(0,0); //namedview->gridorigin; Why was the grid origin used here?
1072 dtw->desktop = new SPDesktop();
1073 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
1074 dtw->desktop->registerEditWidget (dtw->stub);
1075 dtw->desktop->init (namedview, dtw->canvas);
1076 inkscape_add_desktop (dtw->desktop);
1078 // Add the shape geometry to libavoid for autorouting connectors.
1079 // This needs desktop set for its spacing preferences.
1080 init_avoided_shape_geometry(dtw->desktop);
1082 dtw->selected_style->setDesktop(dtw->desktop);
1084 /* Once desktop is set, we can update rulers */
1085 sp_desktop_widget_update_rulers (dtw);
1087 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
1089 /* Listen on namedview modification */
1090 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
1092 dtw->layer_selector->setDesktop(dtw->desktop);
1094 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
1095 gtk_widget_show_all (dtw->menubar);
1096 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
1098 sp_desktop_widget_layout (dtw);
1100 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
1101 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
1102 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
1104 return SP_VIEW_WIDGET (dtw);
1105 }
1107 void
1108 SPDesktopWidget::viewSetPosition (NR::Point p)
1109 {
1110 NR::Point const origin = ( p - ruler_origin );
1112 /// \todo fixme:
1113 GTK_RULER(hruler)->position = origin[NR::X];
1114 gtk_ruler_draw_pos (GTK_RULER (hruler));
1115 GTK_RULER(vruler)->position = origin[NR::Y];
1116 gtk_ruler_draw_pos (GTK_RULER (vruler));
1117 }
1119 void
1120 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
1121 {
1122 NR::Rect const viewbox = dtw->canvas->getViewbox();
1123 double const scale = dtw->desktop->current_zoom();
1124 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
1125 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
1126 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
1127 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1128 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1129 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
1130 }
1133 static void
1134 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1135 {
1136 SPNamedView *nv=SP_NAMEDVIEW(obj);
1137 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1138 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1139 dtw->ruler_origin = NR::Point(0,0); //nv->gridorigin; Why was the grid origin used here?
1141 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1142 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1144 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1145 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1147 sp_desktop_widget_update_rulers (dtw);
1148 }
1149 }
1151 static void
1152 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
1153 {
1154 if (dtw->update)
1155 return;
1157 dtw->update = 1;
1159 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1160 sp_desktop_widget_update_rulers (dtw);
1162 dtw->update = 0;
1163 }
1165 /* we make the desktop window with focus active, signal is connected in interface.c */
1166 bool SPDesktopWidget::onFocusInEvent(GdkEventFocus*)
1167 {
1168 inkscape_activate_desktop (desktop);
1170 /* give focus to canvas widget */
1171 gtk_widget_grab_focus (GTK_WIDGET (canvas));
1173 return false;
1174 }
1176 static gdouble
1177 sp_dtw_zoom_value_to_display (gdouble value)
1178 {
1179 return floor (pow (2, value) * 100.0 + 0.5);
1180 }
1182 static gdouble
1183 sp_dtw_zoom_display_to_value (gdouble value)
1184 {
1185 return log (value / 100.0) / log (2);
1186 }
1188 static gint
1189 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1190 {
1191 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1192 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1193 gdouble new_typed = atof (b);
1195 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1196 *new_val = new_scrolled;
1197 } else { // the new value is typed in
1198 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1199 }
1201 return TRUE;
1202 }
1204 static bool
1205 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1206 {
1207 gchar b[64];
1208 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1209 gtk_entry_set_text (GTK_ENTRY (spin), b);
1210 return TRUE;
1211 }
1213 static void
1214 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1215 {
1216 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1218 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1219 SPDesktop *desktop = dtw->desktop;
1221 NR::Rect const d = desktop->get_display_area();
1222 g_signal_handler_block (spin, dtw->zoom_update);
1223 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1224 g_signal_handler_unblock (spin, dtw->zoom_update);
1226 spinbutton_defocus (GTK_OBJECT (spin));
1227 }
1229 static void
1230 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1231 {
1232 GList *children, *iter;
1233 GtkWidget *item;
1234 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1236 children = gtk_container_get_children (GTK_CONTAINER (menu));
1237 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1238 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1239 }
1240 g_list_free (children);
1242 item = gtk_menu_item_new_with_label ("200%");
1243 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1244 gtk_widget_show (item);
1245 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1246 item = gtk_menu_item_new_with_label ("100%");
1247 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1248 gtk_widget_show (item);
1249 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1250 item = gtk_menu_item_new_with_label ("50%");
1251 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1252 gtk_widget_show (item);
1253 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1255 item = gtk_separator_menu_item_new ();
1256 gtk_widget_show (item);
1257 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1259 item = gtk_menu_item_new_with_label (_("Page"));
1260 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1261 gtk_widget_show (item);
1262 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1263 item = gtk_menu_item_new_with_label (_("Drawing"));
1264 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1265 gtk_widget_show (item);
1266 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1267 item = gtk_menu_item_new_with_label (_("Selection"));
1268 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1269 gtk_widget_show (item);
1270 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1271 }
1273 static void
1274 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1275 {
1276 NR::Rect const d = dt->get_display_area();
1277 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1278 }
1280 static void
1281 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1282 {
1283 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1284 }
1286 static void
1287 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1288 {
1289 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1290 }
1292 static void
1293 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1294 {
1295 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1296 }
1298 static void
1299 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1300 {
1301 static_cast<SPDesktop*>(data)->zoom_page();
1302 }
1304 static void
1305 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1306 {
1307 static_cast<SPDesktop*>(data)->zoom_drawing();
1308 }
1310 static void
1311 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1312 {
1313 static_cast<SPDesktop*>(data)->zoom_selection();
1314 }
1318 void
1319 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1320 {
1321 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1322 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1323 gtk_widget_queue_draw(GTK_WIDGET(dtw->zoom_status));
1324 if (GTK_WIDGET(dtw->zoom_status)->window)
1325 gdk_window_process_updates(GTK_WIDGET(dtw->zoom_status)->window, TRUE);
1326 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1327 }
1329 void
1330 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1331 {
1332 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1333 gtk_widget_hide_all (dtw->hruler);
1334 gtk_widget_hide_all (dtw->vruler);
1335 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 0);
1336 } else {
1337 gtk_widget_show_all (dtw->hruler);
1338 gtk_widget_show_all (dtw->vruler);
1339 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 1);
1340 }
1341 }
1343 void
1344 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1345 {
1346 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1347 gtk_widget_hide_all (dtw->hscrollbar);
1348 gtk_widget_hide_all (dtw->vscrollbar_box);
1349 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1350 } else {
1351 gtk_widget_show_all (dtw->hscrollbar);
1352 gtk_widget_show_all (dtw->vscrollbar_box);
1353 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1354 }
1355 }
1357 /* Unused
1358 void
1359 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1360 {
1361 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1362 gtk_widget_hide_all (dtw->menubar);
1363 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1364 } else {
1365 gtk_widget_show_all (dtw->menubar);
1366 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1367 }
1368 }
1369 */
1371 static void
1372 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1373 {
1374 if ((l != adj->lower) ||
1375 (u != adj->upper) ||
1376 (ps != adj->page_size) ||
1377 (si != adj->step_increment) ||
1378 (pi != adj->page_increment)) {
1379 adj->lower = l;
1380 adj->upper = u;
1381 adj->page_size = ps;
1382 adj->step_increment = si;
1383 adj->page_increment = pi;
1384 gtk_adjustment_changed (adj);
1385 }
1386 }
1388 void
1389 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1390 {
1391 if (!dtw) return;
1392 if (dtw->update) return;
1393 dtw->update = 1;
1395 /* The desktop region we always show unconditionally */
1396 SPDocument *doc = dtw->desktop->doc();
1397 NR::Rect darea(NR::Point(-sp_document_width(doc), -sp_document_height(doc)),
1398 NR::Point(2 * sp_document_width(doc), 2 * sp_document_height(doc)));
1399 darea = NR::union_bounds(darea, sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc))));
1401 /* Canvas region we always show unconditionally */
1402 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1403 darea.max()[NR::Y] * -scale - 64),
1404 NR::Point(darea.max()[NR::X] * scale + 64,
1405 darea.min()[NR::Y] * -scale + 64));
1407 NR::Rect viewbox = dtw->canvas->getViewbox();
1409 /* Viewbox is always included into scrollable region */
1410 carea = NR::union_bounds(carea, viewbox);
1412 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1413 viewbox.dimensions()[NR::X],
1414 0.1 * viewbox.dimensions()[NR::X],
1415 viewbox.dimensions()[NR::X]);
1416 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1418 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1419 viewbox.dimensions()[NR::Y],
1420 0.1 * viewbox.dimensions()[NR::Y],
1421 viewbox.dimensions()[NR::Y]);
1422 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1424 dtw->update = 0;
1425 }
1428 /*
1429 Local Variables:
1430 mode:c++
1431 c-file-style:"stroustrup"
1432 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1433 indent-tabs-mode:nil
1434 fill-column:99
1435 End:
1436 */
1437 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :