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);
299 /* Prevent the paned from catching F6 and F8 by unsetting the default callbacks */
300 if (GtkPanedClass *paned_class = GTK_PANED_CLASS (G_OBJECT_GET_CLASS (paned->gobj()))) {
301 paned_class->cycle_child_focus = NULL;
302 paned_class->cycle_handle_focus = NULL;
303 }
305 gtk_table_attach (GTK_TABLE (tbl), GTK_WIDGET (paned->gobj()), 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL),
306 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
308 } else {
309 gtk_table_attach (GTK_TABLE (tbl), GTK_WIDGET (canvas_tbl), 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL),
310 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
311 }
313 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
314 GtkHBox *ss_ = dtw->selected_style->gobj();
315 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
316 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
318 // connect scrollbar signals
319 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
320 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
322 GtkWidget *statusbar_tail=gtk_statusbar_new();
323 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
324 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
326 // zoom status spinbutton
327 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);
328 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
329 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
330 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
331 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
332 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
333 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
334 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
335 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
336 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
337 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
338 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
339 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
341 // cursor coordinates
342 dtw->coord_status = gtk_table_new (5, 2, FALSE);
343 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
344 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
345 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
346 eventbox = gtk_event_box_new ();
347 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
348 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
349 GtkWidget *label_x = gtk_label_new("X:");
350 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
351 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
352 GtkWidget *label_y = gtk_label_new("Y:");
353 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
354 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
355 dtw->coord_status_x = gtk_label_new(NULL);
356 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_x), "<tt> 0.00 </tt>" );
357 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 1.0, 0.5);
358 dtw->coord_status_y = gtk_label_new(NULL);
359 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_y), "<tt> 0.00 </tt>" );
360 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 1.0, 0.5);
361 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
362 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
363 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
364 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
365 sp_set_font_size_smaller (dtw->coord_status);
366 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
368 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
369 // FIXME: need to unreference on container destruction to avoid leak
370 dtw->layer_selector->reference();
371 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
372 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
374 dtw->select_status_eventbox = gtk_event_box_new ();
375 dtw->select_status = gtk_label_new (NULL);
376 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
377 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
378 #endif
379 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
380 gtk_widget_set_size_request (dtw->select_status, 1, -1);
381 // display the initial welcome message in the statusbar
382 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."));
383 // space label 2 pixels from left edge
384 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
385 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
386 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
388 gtk_widget_show_all (dtw->vbox);
389 }
391 /**
392 * Called before SPDesktopWidget destruction.
393 */
394 static void
395 sp_desktop_widget_destroy (GtkObject *object)
396 {
397 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
399 if (dtw->desktop) {
400 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
401 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
402 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
403 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
404 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
405 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
407 dtw->layer_selector->unreference();
408 inkscape_remove_desktop (dtw->desktop); // clears selection too
409 dtw->modified_connection.disconnect();
410 dtw->desktop->destroy();
411 Inkscape::GC::release (dtw->desktop);
412 dtw->desktop = NULL;
413 }
415 dtw->modified_connection.~connection();
417 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
418 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
419 }
420 }
423 /**
424 * Set the title in the desktop-window (if desktop has an own window).
425 *
426 * The title has form file name: desktop number - Inkscape.
427 * The desktop number is only shown if it's 2 or higher,
428 */
429 void
430 SPDesktopWidget::updateTitle(gchar const* uri)
431 {
432 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
434 if (window) {
435 gchar const *fname = ( TRUE
436 ? uri
437 : g_basename(uri) );
438 GString *name = g_string_new ("");
439 if (this->desktop->number > 1) {
440 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
441 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
442 } else {
443 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
444 }
445 } else {
446 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
447 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
448 } else {
449 g_string_printf (name, _("%s - Inkscape"), fname);
450 }
451 }
452 window->set_title (name->str);
453 g_string_free (name, TRUE);
454 }
455 }
457 Inkscape::UI::Widget::Dock*
458 SPDesktopWidget::getDock()
459 {
460 return dock;
461 }
463 /**
464 * Callback to allocate space for desktop widget.
465 */
466 static void
467 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
468 {
469 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
471 if ((allocation->x == widget->allocation.x) &&
472 (allocation->y == widget->allocation.y) &&
473 (allocation->width == widget->allocation.width) &&
474 (allocation->height == widget->allocation.height)) {
475 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
476 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
477 return;
478 }
480 if (GTK_WIDGET_REALIZED (widget)) {
481 NR::Rect const area = dtw->desktop->get_display_area();
482 double zoom = dtw->desktop->current_zoom();
484 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
485 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
486 }
488 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
489 /* Calculate zoom per pixel */
490 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
491 /* Find new visible area */
492 NR::Rect newarea = dtw->desktop->get_display_area();
493 /* Calculate adjusted zoom */
494 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
495 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
496 } else {
497 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
498 }
500 } else {
501 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
502 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
503 }
504 // this->size_allocate (widget, allocation);
505 }
506 }
508 /**
509 * Callback to realize desktop widget.
510 */
511 static void
512 sp_desktop_widget_realize (GtkWidget *widget)
513 {
515 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
517 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
518 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
520 NRRect d;
521 d.x0 = 0.0;
522 d.y0 = 0.0;
523 d.x1 = sp_document_width (dtw->desktop->doc());
524 d.y1 = sp_document_height (dtw->desktop->doc());
526 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
528 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
530 /* Listen on namedview modification */
531 // originally (prior to the sigc++ conversion) the signal was simply
532 // connected twice rather than disconnecting the first connection
533 dtw->modified_connection.disconnect();
534 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
535 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
537 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
538 }
540 /**
541 * Callback to handle desktop widget event.
542 */
543 static gint
544 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
545 {
546 if (event->type == GDK_BUTTON_PRESS) {
547 // defocus any spinbuttons
548 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
549 }
551 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
552 if (event->button.state & GDK_SHIFT_MASK) {
553 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
554 } else {
555 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
556 }
557 }
559 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
560 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
561 } else {
562 // The keypress events need to be passed to desktop handler explicitly,
563 // because otherwise the event contexts only receive keypresses when the mouse cursor
564 // is over the canvas. This redirection is only done for keypresses and only if there's no
565 // current item on the canvas, because item events and all mouse events are caught
566 // and passed on by the canvas acetate (I think). --bb
567 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
568 return sp_desktop_root_handler (NULL, event, dtw->desktop);
569 }
570 }
572 return FALSE;
573 }
575 void
576 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
577 {
578 /* update active desktop indicator */
579 }
581 void
582 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
583 {
584 /* update inactive desktop indicator */
585 }
587 /**
588 * Shuts down the desktop object for the view being closed. It checks
589 * to see if the document has been edited, and if so prompts the user
590 * to save, discard, or cancel. Returns TRUE if the shutdown operation
591 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
592 */
593 bool
594 SPDesktopWidget::shutdown()
595 {
596 g_assert(desktop != NULL);
598 if (inkscape_is_sole_desktop_for_document(*desktop)) {
599 SPDocument *doc = desktop->doc();
600 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
601 GtkWidget *dialog;
603 /** \todo
604 * FIXME !!! obviously this will have problems if the document
605 * name contains markup characters
606 */
607 dialog = gtk_message_dialog_new_with_markup(
608 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
609 GTK_DIALOG_DESTROY_WITH_PARENT,
610 GTK_MESSAGE_WARNING,
611 GTK_BUTTONS_NONE,
612 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
613 "If you close without saving, your changes will be discarded."),
614 SP_DOCUMENT_NAME(doc));
615 // fix for bug 1767940:
616 GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(GTK_MESSAGE_DIALOG(dialog)->label), GTK_CAN_FOCUS);
618 GtkWidget *close_button;
619 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
620 gtk_widget_show(close_button);
621 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
623 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
624 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
625 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
627 gint response;
628 response = gtk_dialog_run(GTK_DIALOG(dialog));
629 gtk_widget_destroy(dialog);
631 switch (response) {
632 case GTK_RESPONSE_YES:
633 {
634 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
636 sp_document_ref(doc);
637 if (sp_file_save_document(*window, doc)) {
638 sp_document_unref(doc);
639 } else { // save dialog cancelled or save failed
640 sp_document_unref(doc);
641 return TRUE;
642 }
644 break;
645 }
646 case GTK_RESPONSE_NO:
647 break;
648 default: // cancel pressed, or dialog was closed
649 return TRUE;
650 break;
651 }
652 }
653 /* Code to check data loss */
654 bool allow_data_loss = FALSE;
655 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
656 GtkWidget *dialog;
658 /** \todo
659 * FIXME !!! obviously this will have problems if the document
660 * name contains markup characters
661 */
662 dialog = gtk_message_dialog_new_with_markup(
663 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
664 GTK_DIALOG_DESTROY_WITH_PARENT,
665 GTK_MESSAGE_WARNING,
666 GTK_BUTTONS_NONE,
667 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
668 "Do you want to save this file in another format?"),
669 SP_DOCUMENT_NAME(doc),
670 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
671 // fix for bug 1767940:
672 GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(GTK_MESSAGE_DIALOG(dialog)->label), GTK_CAN_FOCUS);
674 GtkWidget *close_button;
675 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
676 gtk_widget_show(close_button);
677 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
679 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
680 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
681 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
683 gint response;
684 response = gtk_dialog_run(GTK_DIALOG(dialog));
685 gtk_widget_destroy(dialog);
687 switch (response) {
688 case GTK_RESPONSE_YES:
689 {
690 sp_document_ref(doc);
692 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
694 if (sp_file_save_dialog(*window, doc)) {
695 sp_document_unref(doc);
696 } else { // save dialog cancelled or save failed
697 sp_document_unref(doc);
698 return TRUE;
699 }
701 break;
702 }
703 case GTK_RESPONSE_NO:
704 allow_data_loss = TRUE;
705 break;
706 default: // cancel pressed, or dialog was closed
707 return TRUE;
708 break;
709 }
710 }
711 }
713 /* Save window geometry to prefs for use as a default.
714 * Use depends on setting of "options.savewindowgeometry".
715 * But we save the info here regardless of the setting.
716 */
717 {
718 gint full = desktop->is_fullscreen() ? 1 : 0;
719 gint maxed = desktop->is_maximized() ? 1 : 0;
720 prefs_set_int_attribute("desktop.geometry", "fullscreen", full);
721 prefs_set_int_attribute("desktop.geometry", "maximized", maxed);
722 gint w, h, x, y;
723 desktop->getWindowGeometry(x, y, w, h);
724 // Don't save geom for maximized windows. It
725 // just tells you the current maximized size, which is not
726 // as useful as whatever value it had previously.
727 if (!maxed && !full) {
728 prefs_set_int_attribute("desktop.geometry", "width", w);
729 prefs_set_int_attribute("desktop.geometry", "height", h);
730 prefs_set_int_attribute("desktop.geometry", "x", x);
731 prefs_set_int_attribute("desktop.geometry", "y", y);
732 }
733 }
735 return FALSE;
736 }
738 /**
739 * \pre this->desktop->main != 0
740 */
741 void
742 SPDesktopWidget::requestCanvasUpdate() {
743 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
744 }
746 void
747 SPDesktopWidget::requestCanvasUpdateAndWait() {
748 requestCanvasUpdate();
750 while (gtk_events_pending())
751 gtk_main_iteration_do(FALSE);
753 }
755 void
756 SPDesktopWidget::enableInteraction()
757 {
758 g_return_if_fail(_interaction_disabled_counter > 0);
760 _interaction_disabled_counter--;
762 if (_interaction_disabled_counter == 0) {
763 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
764 }
765 }
767 void
768 SPDesktopWidget::disableInteraction()
769 {
770 if (_interaction_disabled_counter == 0) {
771 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
772 }
774 _interaction_disabled_counter++;
775 }
777 void
778 SPDesktopWidget::setCoordinateStatus(NR::Point p)
779 {
780 gchar *cstr;
781 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::X]);
782 gtk_label_set_markup( GTK_LABEL(this->coord_status_x), cstr );
783 g_free(cstr);
785 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::Y]);
786 gtk_label_set_markup( GTK_LABEL(this->coord_status_y), cstr );
787 g_free(cstr);
788 }
790 void
791 SPDesktopWidget::letZoomGrabFocus()
792 {
793 if (zoom_status)
794 gtk_widget_grab_focus (zoom_status);
795 }
797 void
798 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
799 {
800 gboolean vis = GTK_WIDGET_VISIBLE (this);
802 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
804 if (window)
805 {
806 window->get_size (w, h);
807 window->get_position (x, y);
808 }
809 }
811 void
812 SPDesktopWidget::setWindowPosition (NR::Point p)
813 {
814 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
816 if (window)
817 {
818 window->move (gint(round(p[NR::X])), gint(round(p[NR::Y])));
819 }
820 }
822 void
823 SPDesktopWidget::setWindowSize (gint w, gint h)
824 {
825 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
827 if (window)
828 {
829 window->set_default_size (w, h);
830 window->reshow_with_initial_size ();
831 }
832 }
834 /**
835 * \note transientizing does not work on windows; when you minimize a document
836 * and then open it back, only its transient emerges and you cannot access
837 * the document window. The document window must be restored by rightclicking
838 * the taskbar button and pressing "Restore"
839 */
840 void
841 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
842 {
843 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
844 if (w)
845 {
846 gtk_window_set_transient_for (GTK_WINDOW(p), w);
848 /*
849 * This enables "aggressive" transientization,
850 * i.e. dialogs always emerging on top when you switch documents. Note
851 * however that this breaks "click to raise" policy of a window
852 * manager because the switched-to document will be raised at once
853 * (so that its transients also could raise)
854 */
855 if (transient_policy == 2)
857 // without this, a transient window not always emerges on top
858 gtk_window_present (w);
859 }
860 }
862 void
863 SPDesktopWidget::presentWindow()
864 {
865 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
866 if (w)
867 gtk_window_present (w);
868 }
870 bool
871 SPDesktopWidget::warnDialog (gchar* text)
872 {
873 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
874 if (w)
875 {
876 GtkWidget *dialog = gtk_message_dialog_new(
877 w,
878 GTK_DIALOG_DESTROY_WITH_PARENT,
879 GTK_MESSAGE_WARNING,
880 GTK_BUTTONS_YES_NO,
881 "%s", text);
882 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
883 gtk_widget_destroy(dialog);
884 if (response == GTK_RESPONSE_YES)
885 return true;
886 }
887 return false;
888 }
890 void
891 sp_desktop_widget_iconify(SPDesktopWidget *dtw)
892 {
893 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
894 if (GTK_IS_WINDOW(topw)) {
895 if (dtw->desktop->is_iconified()) {
896 gtk_window_deiconify(topw);
897 } else {
898 gtk_window_iconify(topw);
899 }
900 }
901 }
903 void
904 sp_desktop_widget_maximize(SPDesktopWidget *dtw)
905 {
906 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
907 if (GTK_IS_WINDOW(topw)) {
908 if (dtw->desktop->is_maximized()) {
909 gtk_window_unmaximize(topw);
910 } else {
911 // Save geometry to prefs before maximizing so that
912 // something useful is stored there, because GTK doesn't maintain
913 // a separate non-maximized size.
914 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_fullscreen())
915 {
916 gint w, h, x, y;
917 dtw->getWindowGeometry(x, y, w, h);
918 prefs_set_int_attribute("desktop.geometry", "width", w);
919 prefs_set_int_attribute("desktop.geometry", "height", h);
920 prefs_set_int_attribute("desktop.geometry", "x", x);
921 prefs_set_int_attribute("desktop.geometry", "y", y);
922 }
923 gtk_window_maximize(topw);
924 }
925 }
926 }
928 void
929 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
930 {
931 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
932 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
933 if (GTK_IS_WINDOW(topw)) {
934 if (dtw->desktop->is_fullscreen()) {
935 gtk_window_unfullscreen(topw);
936 // widget layout is triggered by the resulting window_state_event
937 } else {
938 // Save geometry to prefs before maximizing so that
939 // something useful is stored there, because GTK doesn't maintain
940 // a separate non-maximized size.
941 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_maximized())
942 {
943 gint w, h, x, y;
944 dtw->getWindowGeometry(x, y, w, h);
945 prefs_set_int_attribute("desktop.geometry", "width", w);
946 prefs_set_int_attribute("desktop.geometry", "height", h);
947 prefs_set_int_attribute("desktop.geometry", "x", x);
948 prefs_set_int_attribute("desktop.geometry", "y", y);
949 }
950 gtk_window_fullscreen(topw);
951 // widget layout is triggered by the resulting window_state_event
952 }
953 }
954 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
955 }
957 /**
958 * Hide whatever the user does not want to see in the window
959 */
960 void
961 sp_desktop_widget_layout (SPDesktopWidget *dtw)
962 {
963 bool fullscreen = dtw->desktop->is_fullscreen();
965 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
966 gtk_widget_hide_all (dtw->menubar);
967 } else {
968 gtk_widget_show_all (dtw->menubar);
969 }
971 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
972 gtk_widget_hide_all (dtw->commands_toolbox);
973 } else {
974 gtk_widget_show_all (dtw->commands_toolbox);
975 }
977 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
978 gtk_widget_hide_all (dtw->aux_toolbox);
979 } else {
980 // we cannot just show_all because that will show all tools' panels;
981 // this is a function from toolbox.cpp that shows only the current tool's panel
982 show_aux_toolbox (dtw->aux_toolbox);
983 }
985 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
986 gtk_widget_hide_all (dtw->tool_toolbox);
987 } else {
988 gtk_widget_show_all (dtw->tool_toolbox);
989 }
991 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
992 gtk_widget_hide_all (dtw->statusbar);
993 } else {
994 gtk_widget_show_all (dtw->statusbar);
995 }
997 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
998 gtk_widget_hide_all( dtw->panels );
999 } else {
1000 gtk_widget_show_all( dtw->panels );
1001 }
1003 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
1004 gtk_widget_hide_all (dtw->hscrollbar);
1005 gtk_widget_hide_all (dtw->vscrollbar_box);
1006 } else {
1007 gtk_widget_show_all (dtw->hscrollbar);
1008 gtk_widget_show_all (dtw->vscrollbar_box);
1009 }
1011 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
1012 gtk_widget_hide_all (dtw->hruler);
1013 gtk_widget_hide_all (dtw->vruler);
1014 } else {
1015 gtk_widget_show_all (dtw->hruler);
1016 gtk_widget_show_all (dtw->vruler);
1017 }
1018 }
1020 void
1021 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
1022 {
1023 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
1024 if (hb && GTK_IS_WIDGET(hb))
1025 {
1026 gtk_widget_grab_focus(GTK_WIDGET(hb));
1027 }
1028 }
1030 void
1031 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
1032 {
1033 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
1034 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
1035 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
1036 gtk_adjustment_set_value (a, value);
1037 }
1038 }
1040 void
1041 SPDesktopWidget::setToolboxSelectOneValue (gchar const *id, int value)
1042 {
1043 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
1044 if (hb) {
1045 ege_select_one_action_set_active((EgeSelectOneAction*) hb, value);
1046 }
1047 }
1050 bool
1051 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
1052 {
1053 bool isActive = false;
1054 gpointer thing = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
1055 if ( !thing ) {
1056 //g_message( "Unable to locate item for {%s}", id );
1057 } else if ( GTK_IS_TOGGLE_BUTTON(thing) ) {
1058 GtkToggleButton *b = GTK_TOGGLE_BUTTON(thing);
1059 isActive = gtk_toggle_button_get_active( b ) != 0;
1060 } else if ( GTK_IS_TOGGLE_ACTION(thing) ) {
1061 GtkToggleAction* act = GTK_TOGGLE_ACTION(thing);
1062 isActive = gtk_toggle_action_get_active( act ) != 0;
1063 } else {
1064 //g_message( "Item for {%s} is of an unsupported type", id );
1065 }
1067 return isActive;
1068 }
1070 SPViewWidget *
1071 sp_desktop_widget_new (SPNamedView *namedview)
1072 {
1073 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
1075 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
1077 dtw->ruler_origin = NR::Point(0,0); //namedview->gridorigin; Why was the grid origin used here?
1079 dtw->desktop = new SPDesktop();
1080 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
1081 dtw->desktop->registerEditWidget (dtw->stub);
1082 dtw->desktop->init (namedview, dtw->canvas);
1083 inkscape_add_desktop (dtw->desktop);
1085 // Add the shape geometry to libavoid for autorouting connectors.
1086 // This needs desktop set for its spacing preferences.
1087 init_avoided_shape_geometry(dtw->desktop);
1089 dtw->selected_style->setDesktop(dtw->desktop);
1091 /* Once desktop is set, we can update rulers */
1092 sp_desktop_widget_update_rulers (dtw);
1094 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
1096 /* Listen on namedview modification */
1097 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
1099 dtw->layer_selector->setDesktop(dtw->desktop);
1101 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
1102 gtk_widget_show_all (dtw->menubar);
1103 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
1105 sp_desktop_widget_layout (dtw);
1107 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
1108 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
1109 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
1111 return SP_VIEW_WIDGET (dtw);
1112 }
1114 void
1115 SPDesktopWidget::viewSetPosition (NR::Point p)
1116 {
1117 NR::Point const origin = ( p - ruler_origin );
1119 /// \todo fixme:
1120 GTK_RULER(hruler)->position = origin[NR::X];
1121 gtk_ruler_draw_pos (GTK_RULER (hruler));
1122 GTK_RULER(vruler)->position = origin[NR::Y];
1123 gtk_ruler_draw_pos (GTK_RULER (vruler));
1124 }
1126 void
1127 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
1128 {
1129 NR::Rect const viewbox = dtw->canvas->getViewbox();
1130 double const scale = dtw->desktop->current_zoom();
1131 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
1132 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
1133 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
1134 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1135 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1136 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
1137 }
1140 static void
1141 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1142 {
1143 SPNamedView *nv=SP_NAMEDVIEW(obj);
1144 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1145 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1146 dtw->ruler_origin = NR::Point(0,0); //nv->gridorigin; Why was the grid origin used here?
1148 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1149 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1151 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1152 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1154 sp_desktop_widget_update_rulers (dtw);
1155 }
1156 }
1158 static void
1159 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
1160 {
1161 if (dtw->update)
1162 return;
1164 dtw->update = 1;
1166 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1167 sp_desktop_widget_update_rulers (dtw);
1169 dtw->update = 0;
1170 }
1172 /* we make the desktop window with focus active, signal is connected in interface.c */
1173 bool SPDesktopWidget::onFocusInEvent(GdkEventFocus*)
1174 {
1175 inkscape_activate_desktop (desktop);
1177 return false;
1178 }
1180 static gdouble
1181 sp_dtw_zoom_value_to_display (gdouble value)
1182 {
1183 return floor (pow (2, value) * 100.0 + 0.5);
1184 }
1186 static gdouble
1187 sp_dtw_zoom_display_to_value (gdouble value)
1188 {
1189 return log (value / 100.0) / log (2);
1190 }
1192 static gint
1193 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1194 {
1195 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1196 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1197 gdouble new_typed = atof (b);
1199 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1200 *new_val = new_scrolled;
1201 } else { // the new value is typed in
1202 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1203 }
1205 return TRUE;
1206 }
1208 static bool
1209 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1210 {
1211 gchar b[64];
1212 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1213 gtk_entry_set_text (GTK_ENTRY (spin), b);
1214 return TRUE;
1215 }
1217 static void
1218 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1219 {
1220 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1222 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1223 SPDesktop *desktop = dtw->desktop;
1225 NR::Rect const d = desktop->get_display_area();
1226 g_signal_handler_block (spin, dtw->zoom_update);
1227 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1228 g_signal_handler_unblock (spin, dtw->zoom_update);
1230 spinbutton_defocus (GTK_OBJECT (spin));
1231 }
1233 static void
1234 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1235 {
1236 GList *children, *iter;
1237 GtkWidget *item;
1238 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1240 children = gtk_container_get_children (GTK_CONTAINER (menu));
1241 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1242 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1243 }
1244 g_list_free (children);
1246 item = gtk_menu_item_new_with_label ("200%");
1247 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1248 gtk_widget_show (item);
1249 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1250 item = gtk_menu_item_new_with_label ("100%");
1251 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1252 gtk_widget_show (item);
1253 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1254 item = gtk_menu_item_new_with_label ("50%");
1255 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1256 gtk_widget_show (item);
1257 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1259 item = gtk_separator_menu_item_new ();
1260 gtk_widget_show (item);
1261 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1263 item = gtk_menu_item_new_with_label (_("Page"));
1264 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1265 gtk_widget_show (item);
1266 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1267 item = gtk_menu_item_new_with_label (_("Drawing"));
1268 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1269 gtk_widget_show (item);
1270 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1271 item = gtk_menu_item_new_with_label (_("Selection"));
1272 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1273 gtk_widget_show (item);
1274 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1275 }
1277 static void
1278 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1279 {
1280 NR::Rect const d = dt->get_display_area();
1281 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1282 }
1284 static void
1285 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1286 {
1287 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1288 }
1290 static void
1291 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1292 {
1293 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1294 }
1296 static void
1297 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1298 {
1299 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1300 }
1302 static void
1303 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1304 {
1305 static_cast<SPDesktop*>(data)->zoom_page();
1306 }
1308 static void
1309 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1310 {
1311 static_cast<SPDesktop*>(data)->zoom_drawing();
1312 }
1314 static void
1315 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1316 {
1317 static_cast<SPDesktop*>(data)->zoom_selection();
1318 }
1322 void
1323 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1324 {
1325 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1326 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1327 gtk_widget_queue_draw(GTK_WIDGET(dtw->zoom_status));
1328 if (GTK_WIDGET(dtw->zoom_status)->window)
1329 gdk_window_process_updates(GTK_WIDGET(dtw->zoom_status)->window, TRUE);
1330 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1331 }
1333 void
1334 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1335 {
1336 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1337 gtk_widget_hide_all (dtw->hruler);
1338 gtk_widget_hide_all (dtw->vruler);
1339 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 0);
1340 } else {
1341 gtk_widget_show_all (dtw->hruler);
1342 gtk_widget_show_all (dtw->vruler);
1343 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 1);
1344 }
1345 }
1347 void
1348 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1349 {
1350 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1351 gtk_widget_hide_all (dtw->hscrollbar);
1352 gtk_widget_hide_all (dtw->vscrollbar_box);
1353 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1354 } else {
1355 gtk_widget_show_all (dtw->hscrollbar);
1356 gtk_widget_show_all (dtw->vscrollbar_box);
1357 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1358 }
1359 }
1361 /* Unused
1362 void
1363 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1364 {
1365 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1366 gtk_widget_hide_all (dtw->menubar);
1367 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1368 } else {
1369 gtk_widget_show_all (dtw->menubar);
1370 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1371 }
1372 }
1373 */
1375 static void
1376 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1377 {
1378 if ((l != adj->lower) ||
1379 (u != adj->upper) ||
1380 (ps != adj->page_size) ||
1381 (si != adj->step_increment) ||
1382 (pi != adj->page_increment)) {
1383 adj->lower = l;
1384 adj->upper = u;
1385 adj->page_size = ps;
1386 adj->step_increment = si;
1387 adj->page_increment = pi;
1388 gtk_adjustment_changed (adj);
1389 }
1390 }
1392 void
1393 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1394 {
1395 if (!dtw) return;
1396 if (dtw->update) return;
1397 dtw->update = 1;
1399 /* The desktop region we always show unconditionally */
1400 SPDocument *doc = dtw->desktop->doc();
1401 NR::Rect darea(NR::Point(-sp_document_width(doc), -sp_document_height(doc)),
1402 NR::Point(2 * sp_document_width(doc), 2 * sp_document_height(doc)));
1403 darea = NR::union_bounds(darea, sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc))));
1405 /* Canvas region we always show unconditionally */
1406 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1407 darea.max()[NR::Y] * -scale - 64),
1408 NR::Point(darea.max()[NR::X] * scale + 64,
1409 darea.min()[NR::Y] * -scale + 64));
1411 NR::Rect viewbox = dtw->canvas->getViewbox();
1413 /* Viewbox is always included into scrollable region */
1414 carea = NR::union_bounds(carea, viewbox);
1416 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1417 viewbox.dimensions()[NR::X],
1418 0.1 * viewbox.dimensions()[NR::X],
1419 viewbox.dimensions()[NR::X]);
1420 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1422 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1423 viewbox.dimensions()[NR::Y],
1424 0.1 * viewbox.dimensions()[NR::Y],
1425 viewbox.dimensions()[NR::Y]);
1426 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1428 dtw->update = 0;
1429 }
1432 /*
1433 Local Variables:
1434 mode:c++
1435 c-file-style:"stroustrup"
1436 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1437 indent-tabs-mode:nil
1438 fill-column:99
1439 End:
1440 */
1441 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :