4dca563aa83d670fc362f5b5f4225e055c71a81b
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/widget/selected-style.h"
52 #include "sp-item.h"
53 #include "dialogs/swatches.h"
54 #include "conn-avoid-ref.h"
56 #if defined (SOLARIS_2_8)
57 #include "round.h"
58 using Inkscape::round;
59 #endif
61 #ifdef WITH_INKBOARD
62 #endif
66 enum {
67 ACTIVATE,
68 DEACTIVATE,
69 MODIFIED,
70 EVENT_CONTEXT_CHANGED,
71 LAST_SIGNAL
72 };
75 //---------------------------------------------------------------------
76 /* SPDesktopWidget */
78 static void sp_desktop_widget_class_init (SPDesktopWidgetClass *klass);
79 static void sp_desktop_widget_init (SPDesktopWidget *widget);
80 static void sp_desktop_widget_destroy (GtkObject *object);
82 static void sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation);
83 static void sp_desktop_widget_realize (GtkWidget *widget);
85 static gint sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw);
87 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
88 static void sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw);
90 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
91 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
92 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
93 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
94 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
95 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
96 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
97 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
98 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
99 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
100 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
101 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
102 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
104 SPViewWidgetClass *dtw_parent_class;
106 void
107 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
108 {
109 GtkLabel *sb=GTK_LABEL(this->select_status);
110 gtk_label_set_markup (sb, message ? message : "");
112 // make sure the important messages are displayed immediately!
113 if (type == Inkscape::IMMEDIATE_MESSAGE && GTK_WIDGET_DRAWABLE (GTK_WIDGET(sb))) {
114 gtk_widget_queue_draw(GTK_WIDGET(sb));
115 gdk_window_process_updates(GTK_WIDGET(sb)->window, TRUE);
116 }
118 // FIXME: TODO: remove <b></b> before displaying as tooltip
119 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
120 }
122 NR::Point
123 SPDesktopWidget::window_get_pointer()
124 {
125 gint x,y;
126 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
127 return NR::Point(x,y);
128 }
130 /**
131 * Registers SPDesktopWidget class and returns its type number.
132 */
133 GtkType
134 sp_desktop_widget_get_type (void)
135 {
136 static GtkType type = 0;
137 if (!type) {
138 static const GtkTypeInfo info = {
139 "SPDesktopWidget",
140 sizeof (SPDesktopWidget),
141 sizeof (SPDesktopWidgetClass),
142 (GtkClassInitFunc) sp_desktop_widget_class_init,
143 (GtkObjectInitFunc) sp_desktop_widget_init,
144 NULL, NULL, NULL
145 };
146 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
147 }
148 return type;
149 }
151 /**
152 * SPDesktopWidget vtable initialization
153 */
154 static void
155 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
156 {
157 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
159 GtkObjectClass *object_class = (GtkObjectClass *) klass;
160 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
162 object_class->destroy = sp_desktop_widget_destroy;
164 widget_class->size_allocate = sp_desktop_widget_size_allocate;
165 widget_class->realize = sp_desktop_widget_realize;
166 }
168 /**
169 * Callback for SPDesktopWidget object initialization.
170 */
171 static void
172 sp_desktop_widget_init (SPDesktopWidget *dtw)
173 {
174 GtkWidget *widget;
175 GtkWidget *tbl;
177 GtkWidget *hbox;
178 GtkWidget *eventbox;
179 GtkStyle *style;
181 new (&dtw->modified_connection) sigc::connection();
183 widget = GTK_WIDGET (dtw);
185 dtw->window = 0;
187 dtw->desktop = NULL;
189 dtw->_interaction_disabled_counter = 0;
191 dtw->tt = gtk_tooltips_new ();
193 /* Main table */
194 dtw->vbox = gtk_vbox_new (FALSE, 0);
195 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
197 dtw->statusbar = gtk_hbox_new (FALSE, 0);
198 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
199 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
201 {
202 using Inkscape::UI::Dialogs::SwatchesPanel;
204 SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
205 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
206 dtw->panels = GTK_WIDGET(swatches->gobj());
207 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
208 }
210 hbox = gtk_hbox_new (FALSE, 0);
211 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
212 gtk_widget_show (hbox);
214 dtw->aux_toolbox = sp_aux_toolbox_new ();
215 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
217 dtw->commands_toolbox = sp_commands_toolbox_new ();
218 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
220 dtw->tool_toolbox = sp_tool_toolbox_new ();
221 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
223 tbl = gtk_table_new (4, 3, FALSE);
224 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
226 /* Horizontal ruler */
227 eventbox = gtk_event_box_new ();
228 dtw->hruler = sp_hruler_new ();
229 dtw->hruler_box = eventbox;
230 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
231 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
232 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
233 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
234 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
235 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
236 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
238 /* Vertical ruler */
239 eventbox = gtk_event_box_new ();
240 dtw->vruler = sp_vruler_new ();
241 dtw->vruler_box = eventbox;
242 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
243 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
244 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
245 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
246 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
247 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
248 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
250 /* Horizontal scrollbar */
251 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
252 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
253 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
254 /* Vertical scrollbar and the sticky zoom button */
255 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
256 dtw->sticky_zoom = sp_button_new_from_data ( Inkscape::ICON_SIZE_DECORATION,
257 SP_BUTTON_TYPE_TOGGLE,
258 NULL,
259 "sticky_zoom",
260 _("Zoom drawing if window size changes"),
261 dtw->tt);
262 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
263 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
264 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
265 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
266 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
267 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
269 /* Canvas */
270 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
271 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
272 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
273 style->bg[GTK_STATE_NORMAL] = style->white;
274 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
275 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
276 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
277 gtk_table_attach (GTK_TABLE (tbl), GTK_WIDGET (dtw->canvas), 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
279 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
280 GtkHBox *ss_ = dtw->selected_style->gobj();
281 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
282 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
284 // connect scrollbar signals
285 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
286 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
288 GtkWidget *statusbar_tail=gtk_statusbar_new();
289 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
290 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
292 // zoom status spinbutton
293 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);
294 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
295 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
296 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
297 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
298 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
299 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
300 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
301 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
302 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
303 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
304 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
305 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
307 // cursor coordinates
308 dtw->coord_status = gtk_table_new (5, 2, FALSE);
309 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
310 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
311 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
312 eventbox = gtk_event_box_new ();
313 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
314 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
315 GtkWidget *label_x = gtk_label_new("X:");
316 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
317 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
318 GtkWidget *label_y = gtk_label_new("Y:");
319 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
320 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
321 dtw->coord_status_x = gtk_label_new(NULL);
322 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_x), "<tt> 0.00 </tt>" );
323 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 1.0, 0.5);
324 dtw->coord_status_y = gtk_label_new(NULL);
325 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_y), "<tt> 0.00 </tt>" );
326 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 1.0, 0.5);
327 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
328 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
329 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
330 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
331 sp_set_font_size_smaller (dtw->coord_status);
332 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
334 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
335 // FIXME: need to unreference on container destruction to avoid leak
336 dtw->layer_selector->reference();
337 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
338 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
340 dtw->select_status_eventbox = gtk_event_box_new ();
341 dtw->select_status = gtk_label_new (NULL);
342 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
343 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
344 #endif
345 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
346 gtk_widget_set_size_request (dtw->select_status, 1, -1);
347 // display the initial welcome message in the statusbar
348 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."));
349 // space label 2 pixels from left edge
350 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
351 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
352 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
354 gtk_widget_show_all (dtw->vbox);
355 }
357 /**
358 * Called before SPDesktopWidget destruction.
359 */
360 static void
361 sp_desktop_widget_destroy (GtkObject *object)
362 {
363 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
365 if (dtw->desktop) {
366 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
367 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
368 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
369 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
370 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
371 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
373 dtw->layer_selector->unreference();
374 inkscape_remove_desktop (dtw->desktop); // clears selection too
375 dtw->modified_connection.disconnect();
376 dtw->desktop->destroy();
377 Inkscape::GC::release (dtw->desktop);
378 dtw->desktop = NULL;
379 }
381 dtw->modified_connection.~connection();
383 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
384 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
385 }
386 }
389 /**
390 * Set the title in the desktop-window (if desktop has an own window).
391 *
392 * The title has form file name: desktop number - Inkscape.
393 * The desktop number is only shown if it's 2 or higher,
394 */
395 void
396 SPDesktopWidget::updateTitle(gchar const* uri)
397 {
398 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
400 if (window) {
401 gchar const *fname = ( TRUE
402 ? uri
403 : g_basename(uri) );
404 GString *name = g_string_new ("");
405 if (this->desktop->number > 1) {
406 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
407 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
408 } else {
409 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
410 }
411 } else {
412 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
413 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
414 } else {
415 g_string_printf (name, _("%s - Inkscape"), fname);
416 }
417 }
418 window->set_title (name->str);
419 g_string_free (name, TRUE);
420 }
421 }
423 /**
424 * Callback to allocate space for desktop widget.
425 */
426 static void
427 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
428 {
429 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
431 if ((allocation->x == widget->allocation.x) &&
432 (allocation->y == widget->allocation.y) &&
433 (allocation->width == widget->allocation.width) &&
434 (allocation->height == widget->allocation.height)) {
435 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
436 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
437 return;
438 }
440 if (GTK_WIDGET_REALIZED (widget)) {
441 NR::Rect const area = dtw->desktop->get_display_area();
442 double zoom = dtw->desktop->current_zoom();
444 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
445 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
446 }
448 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
449 /* Calculate zoom per pixel */
450 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
451 /* Find new visible area */
452 NR::Rect newarea = dtw->desktop->get_display_area();
453 /* Calculate adjusted zoom */
454 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
455 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
456 } else {
457 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
458 }
460 } else {
461 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
462 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
463 }
464 // this->size_allocate (widget, allocation);
465 }
466 }
468 /**
469 * Callback to realize desktop widget.
470 */
471 static void
472 sp_desktop_widget_realize (GtkWidget *widget)
473 {
475 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
477 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
478 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
480 NRRect d;
481 d.x0 = 0.0;
482 d.y0 = 0.0;
483 d.x1 = sp_document_width (dtw->desktop->doc());
484 d.y1 = sp_document_height (dtw->desktop->doc());
486 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
488 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
490 /* Listen on namedview modification */
491 // originally (prior to the sigc++ conversion) the signal was simply
492 // connected twice rather than disconnecting the first connection
493 dtw->modified_connection.disconnect();
494 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
495 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
497 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
498 }
500 /**
501 * Callback to handle desktop widget event.
502 */
503 static gint
504 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
505 {
506 if (event->type == GDK_BUTTON_PRESS) {
507 // defocus any spinbuttons
508 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
509 }
511 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
512 if (event->button.state & GDK_SHIFT_MASK) {
513 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
514 } else {
515 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
516 }
517 }
519 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
520 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
521 } else {
522 // The keypress events need to be passed to desktop handler explicitly,
523 // because otherwise the event contexts only receive keypresses when the mouse cursor
524 // is over the canvas. This redirection is only done for keypresses and only if there's no
525 // current item on the canvas, because item events and all mouse events are caught
526 // and passed on by the canvas acetate (I think). --bb
527 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
528 return sp_desktop_root_handler (NULL, event, dtw->desktop);
529 }
530 }
532 return FALSE;
533 }
535 void
536 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
537 {
538 /* update active desktop indicator */
539 }
541 void
542 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
543 {
544 /* update inactive desktop indicator */
545 }
547 /**
548 * Shuts down the desktop object for the view being closed. It checks
549 * to see if the document has been edited, and if so prompts the user
550 * to save, discard, or cancel. Returns TRUE if the shutdown operation
551 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
552 */
553 bool
554 SPDesktopWidget::shutdown()
555 {
556 g_assert(desktop != NULL);
558 if (inkscape_is_sole_desktop_for_document(*desktop)) {
559 SPDocument *doc = desktop->doc();
560 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
561 GtkWidget *dialog;
563 dialog = gtk_message_dialog_new(
564 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
565 GTK_DIALOG_DESTROY_WITH_PARENT,
566 GTK_MESSAGE_WARNING,
567 GTK_BUTTONS_NONE,
568 "Document modified");
570 gchar *markup;
571 /** \todo
572 * FIXME !!! obviously this will have problems if the document
573 * name contains markup characters
574 */
575 markup = g_strdup_printf(
576 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
577 "If you close without saving, your changes will be discarded."),
578 SP_DOCUMENT_NAME(doc));
580 /** \todo
581 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
582 * (and actually even
583 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
584 * until then, we will have to be a little bit evil here and
585 * poke at GtkMessageDialog::label, which is private...
586 */
588 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
589 g_free(markup);
591 GtkWidget *close_button;
592 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
593 gtk_widget_show(close_button);
594 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
596 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
597 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
598 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
600 gint response;
601 response = gtk_dialog_run(GTK_DIALOG(dialog));
602 gtk_widget_destroy(dialog);
604 switch (response) {
605 case GTK_RESPONSE_YES:
606 {
607 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
609 sp_document_ref(doc);
610 if (sp_file_save_document(*window, doc)) {
611 sp_document_unref(doc);
612 } else { // save dialog cancelled or save failed
613 sp_document_unref(doc);
614 return TRUE;
615 }
617 break;
618 }
619 case GTK_RESPONSE_NO:
620 break;
621 default: // cancel pressed, or dialog was closed
622 return TRUE;
623 break;
624 }
625 }
626 /* Code to check data loss */
627 bool allow_data_loss = FALSE;
628 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
629 GtkWidget *dialog;
631 dialog = gtk_message_dialog_new(
632 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
633 GTK_DIALOG_DESTROY_WITH_PARENT,
634 GTK_MESSAGE_WARNING,
635 GTK_BUTTONS_NONE,
636 "Document modified");
638 gchar *markup;
639 /** \todo
640 * FIXME !!! obviously this will have problems if the document
641 * name contains markup characters
642 */
643 markup = g_strdup_printf(
644 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
645 "Do you want to save this file in another format?"),
646 SP_DOCUMENT_NAME(doc),
647 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
649 /** \todo
650 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
651 * (and actually even
652 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
653 * until then, we will have to be a little bit evil here and
654 * poke at GtkMessageDialog::label, which is private...
655 */
657 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
658 g_free(markup);
660 GtkWidget *close_button;
661 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
662 gtk_widget_show(close_button);
663 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
665 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
666 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
667 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
669 gint response;
670 response = gtk_dialog_run(GTK_DIALOG(dialog));
671 gtk_widget_destroy(dialog);
673 switch (response) {
674 case GTK_RESPONSE_YES:
675 {
676 sp_document_ref(doc);
678 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
680 if (sp_file_save_dialog(*window, doc)) {
681 sp_document_unref(doc);
682 } else { // save dialog cancelled or save failed
683 sp_document_unref(doc);
684 return TRUE;
685 }
687 break;
688 }
689 case GTK_RESPONSE_NO:
690 allow_data_loss = TRUE;
691 break;
692 default: // cancel pressed, or dialog was closed
693 return TRUE;
694 break;
695 }
696 }
697 }
699 /* Save window geometry to prefs for use as a default.
700 * Use depends on setting of "options.savewindowgeometry".
701 * But we save the info here regardless of the setting.
702 */
703 {
704 gint full = desktop->is_fullscreen() ? 1 : 0;
705 gint maxed = desktop->is_maximized() ? 1 : 0;
706 prefs_set_int_attribute("desktop.geometry", "fullscreen", full);
707 prefs_set_int_attribute("desktop.geometry", "maximized", maxed);
708 gint w, h, x, y;
709 desktop->getWindowGeometry(x, y, w, h);
710 // Don't save geom for maximized windows. It
711 // just tells you the current maximized size, which is not
712 // as useful as whatever value it had previously.
713 if (!maxed && !full) {
714 prefs_set_int_attribute("desktop.geometry", "width", w);
715 prefs_set_int_attribute("desktop.geometry", "height", h);
716 prefs_set_int_attribute("desktop.geometry", "x", x);
717 prefs_set_int_attribute("desktop.geometry", "y", y);
718 }
719 }
721 return FALSE;
722 }
724 /**
725 * \pre this->desktop->main != 0
726 */
727 void
728 SPDesktopWidget::requestCanvasUpdate() {
729 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
730 }
732 void
733 SPDesktopWidget::requestCanvasUpdateAndWait() {
734 requestCanvasUpdate();
736 while (gtk_events_pending())
737 gtk_main_iteration_do(FALSE);
739 }
741 void
742 SPDesktopWidget::enableInteraction()
743 {
744 g_return_if_fail(_interaction_disabled_counter > 0);
746 _interaction_disabled_counter--;
748 if (_interaction_disabled_counter == 0) {
749 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
750 }
751 }
753 void
754 SPDesktopWidget::disableInteraction()
755 {
756 if (_interaction_disabled_counter == 0) {
757 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
758 }
760 _interaction_disabled_counter++;
761 }
763 void
764 SPDesktopWidget::setCoordinateStatus(NR::Point p)
765 {
766 gchar *cstr;
767 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::X]);
768 gtk_label_set_markup( GTK_LABEL(this->coord_status_x), cstr );
769 g_free(cstr);
771 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::Y]);
772 gtk_label_set_markup( GTK_LABEL(this->coord_status_y), cstr );
773 g_free(cstr);
774 }
776 void
777 SPDesktopWidget::letZoomGrabFocus()
778 {
779 if (zoom_status)
780 gtk_widget_grab_focus (zoom_status);
781 }
783 void
784 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
785 {
786 gboolean vis = GTK_WIDGET_VISIBLE (this);
788 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
790 if (window)
791 {
792 window->get_size (w, h);
793 window->get_position (x, y);
794 }
795 }
797 void
798 SPDesktopWidget::setWindowPosition (NR::Point p)
799 {
800 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
802 if (window)
803 {
804 window->move (gint(round(p[NR::X])), gint(round(p[NR::Y])));
805 }
806 }
808 void
809 SPDesktopWidget::setWindowSize (gint w, gint h)
810 {
811 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
813 if (window)
814 {
815 window->set_default_size (w, h);
816 window->reshow_with_initial_size ();
817 }
818 }
820 /**
821 * \note transientizing does not work on windows; when you minimize a document
822 * and then open it back, only its transient emerges and you cannot access
823 * the document window. The document window must be restored by rightclicking
824 * the taskbar button and pressing "Restore"
825 */
826 void
827 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
828 {
829 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
830 if (w)
831 {
832 gtk_window_set_transient_for (GTK_WINDOW(p), w);
834 /*
835 * This enables "aggressive" transientization,
836 * i.e. dialogs always emerging on top when you switch documents. Note
837 * however that this breaks "click to raise" policy of a window
838 * manager because the switched-to document will be raised at once
839 * (so that its transients also could raise)
840 */
841 if (transient_policy == 2)
843 // without this, a transient window not always emerges on top
844 gtk_window_present (w);
845 }
846 }
848 void
849 SPDesktopWidget::presentWindow()
850 {
851 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
852 if (w)
853 gtk_window_present (w);
854 }
856 bool
857 SPDesktopWidget::warnDialog (gchar* text)
858 {
859 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
860 if (w)
861 {
862 GtkWidget *dialog = gtk_message_dialog_new(
863 w,
864 GTK_DIALOG_DESTROY_WITH_PARENT,
865 GTK_MESSAGE_WARNING,
866 GTK_BUTTONS_YES_NO,
867 "%s", text);
868 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
869 gtk_widget_destroy(dialog);
870 if (response == GTK_RESPONSE_YES)
871 return true;
872 }
873 return false;
874 }
876 void
877 sp_desktop_widget_iconify(SPDesktopWidget *dtw)
878 {
879 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
880 if (GTK_IS_WINDOW(topw)) {
881 if (dtw->desktop->is_iconified()) {
882 gtk_window_deiconify(topw);
883 } else {
884 gtk_window_iconify(topw);
885 }
886 }
887 }
889 void
890 sp_desktop_widget_maximize(SPDesktopWidget *dtw)
891 {
892 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
893 if (GTK_IS_WINDOW(topw)) {
894 if (dtw->desktop->is_maximized()) {
895 gtk_window_unmaximize(topw);
896 } else {
897 // Save geometry to prefs before maximizing so that
898 // something useful is stored there, because GTK doesn't maintain
899 // a separate non-maximized size.
900 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_fullscreen())
901 {
902 gint w, h, x, y;
903 dtw->getWindowGeometry(x, y, w, h);
904 prefs_set_int_attribute("desktop.geometry", "width", w);
905 prefs_set_int_attribute("desktop.geometry", "height", h);
906 prefs_set_int_attribute("desktop.geometry", "x", x);
907 prefs_set_int_attribute("desktop.geometry", "y", y);
908 }
909 gtk_window_maximize(topw);
910 }
911 }
912 }
914 void
915 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
916 {
917 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
918 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
919 if (GTK_IS_WINDOW(topw)) {
920 if (dtw->desktop->is_fullscreen()) {
921 gtk_window_unfullscreen(topw);
922 // widget layout is triggered by the resulting window_state_event
923 } else {
924 // Save geometry to prefs before maximizing so that
925 // something useful is stored there, because GTK doesn't maintain
926 // a separate non-maximized size.
927 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_maximized())
928 {
929 gint w, h, x, y;
930 dtw->getWindowGeometry(x, y, w, h);
931 prefs_set_int_attribute("desktop.geometry", "width", w);
932 prefs_set_int_attribute("desktop.geometry", "height", h);
933 prefs_set_int_attribute("desktop.geometry", "x", x);
934 prefs_set_int_attribute("desktop.geometry", "y", y);
935 }
936 gtk_window_fullscreen(topw);
937 // widget layout is triggered by the resulting window_state_event
938 }
939 }
940 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
941 }
943 /**
944 * Hide whatever the user does not want to see in the window
945 */
946 void
947 sp_desktop_widget_layout (SPDesktopWidget *dtw)
948 {
949 bool fullscreen = dtw->desktop->is_fullscreen();
951 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
952 gtk_widget_hide_all (dtw->menubar);
953 } else {
954 gtk_widget_show_all (dtw->menubar);
955 }
957 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
958 gtk_widget_hide_all (dtw->commands_toolbox);
959 } else {
960 gtk_widget_show_all (dtw->commands_toolbox);
961 }
963 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
964 gtk_widget_hide_all (dtw->aux_toolbox);
965 } else {
966 // we cannot just show_all because that will show all tools' panels;
967 // this is a function from toolbox.cpp that shows only the current tool's panel
968 show_aux_toolbox (dtw->aux_toolbox);
969 }
971 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
972 gtk_widget_hide_all (dtw->tool_toolbox);
973 } else {
974 gtk_widget_show_all (dtw->tool_toolbox);
975 }
977 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
978 gtk_widget_hide_all (dtw->statusbar);
979 } else {
980 gtk_widget_show_all (dtw->statusbar);
981 }
983 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
984 gtk_widget_hide_all( dtw->panels );
985 } else {
986 gtk_widget_show_all( dtw->panels );
987 }
989 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
990 gtk_widget_hide_all (dtw->hscrollbar);
991 gtk_widget_hide_all (dtw->vscrollbar_box);
992 } else {
993 gtk_widget_show_all (dtw->hscrollbar);
994 gtk_widget_show_all (dtw->vscrollbar_box);
995 }
997 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
998 gtk_widget_hide_all (dtw->hruler);
999 gtk_widget_hide_all (dtw->vruler);
1000 } else {
1001 gtk_widget_show_all (dtw->hruler);
1002 gtk_widget_show_all (dtw->vruler);
1003 }
1004 }
1006 void
1007 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
1008 {
1009 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
1010 if (hb && GTK_IS_WIDGET(hb))
1011 {
1012 gtk_widget_grab_focus(GTK_WIDGET(hb));
1013 }
1014 }
1016 void
1017 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
1018 {
1019 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
1020 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
1021 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
1022 gtk_adjustment_set_value (a, value);
1023 }
1024 }
1026 bool
1027 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
1028 {
1029 bool isActive = false;
1030 gpointer thing = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
1031 if ( !thing ) {
1032 //g_message( "Unable to locate item for {%s}", id );
1033 } else if ( GTK_IS_TOGGLE_BUTTON(thing) ) {
1034 GtkToggleButton *b = GTK_TOGGLE_BUTTON(thing);
1035 isActive = gtk_toggle_button_get_active( b ) != 0;
1036 } else if ( GTK_IS_TOGGLE_ACTION(thing) ) {
1037 GtkToggleAction* act = GTK_TOGGLE_ACTION(thing);
1038 isActive = gtk_toggle_action_get_active( act ) != 0;
1039 } else {
1040 //g_message( "Item for {%s} is of an unsupported type", id );
1041 }
1043 return isActive;
1044 }
1046 SPViewWidget *
1047 sp_desktop_widget_new (SPNamedView *namedview)
1048 {
1049 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
1051 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
1053 dtw->ruler_origin = NR::Point(0,0); //namedview->gridorigin; Why was the grid origin used here?
1055 dtw->desktop = new SPDesktop();
1056 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
1057 dtw->desktop->registerEditWidget (dtw->stub);
1058 dtw->desktop->init (namedview, dtw->canvas);
1059 inkscape_add_desktop (dtw->desktop);
1061 // Add the shape geometry to libavoid for autorouting connectors.
1062 // This needs desktop set for its spacing preferences.
1063 init_avoided_shape_geometry(dtw->desktop);
1065 dtw->selected_style->setDesktop(dtw->desktop);
1067 /* Once desktop is set, we can update rulers */
1068 sp_desktop_widget_update_rulers (dtw);
1070 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
1072 /* Listen on namedview modification */
1073 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
1075 dtw->layer_selector->setDesktop(dtw->desktop);
1077 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
1078 gtk_widget_show_all (dtw->menubar);
1079 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
1081 sp_desktop_widget_layout (dtw);
1083 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
1084 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
1085 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
1087 return SP_VIEW_WIDGET (dtw);
1088 }
1090 void
1091 SPDesktopWidget::viewSetPosition (NR::Point p)
1092 {
1093 NR::Point const origin = ( p - ruler_origin );
1095 /// \todo fixme:
1096 GTK_RULER(hruler)->position = origin[NR::X];
1097 gtk_ruler_draw_pos (GTK_RULER (hruler));
1098 GTK_RULER(vruler)->position = origin[NR::Y];
1099 gtk_ruler_draw_pos (GTK_RULER (vruler));
1100 }
1102 void
1103 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
1104 {
1105 NR::Rect const viewbox = dtw->canvas->getViewbox();
1106 double const scale = dtw->desktop->current_zoom();
1107 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
1108 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
1109 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
1110 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1111 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1112 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
1113 }
1116 static void
1117 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1118 {
1119 SPNamedView *nv=SP_NAMEDVIEW(obj);
1120 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1121 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1122 dtw->ruler_origin = NR::Point(0,0); //nv->gridorigin; Why was the grid origin used here?
1124 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1125 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1127 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1128 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1130 sp_desktop_widget_update_rulers (dtw);
1131 }
1132 }
1134 static void
1135 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
1136 {
1137 if (dtw->update)
1138 return;
1140 dtw->update = 1;
1142 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1143 sp_desktop_widget_update_rulers (dtw);
1145 dtw->update = 0;
1146 }
1148 /* we make the desktop window with focus active, signal is connected in interface.c */
1149 bool SPDesktopWidget::onFocusInEvent(GdkEventFocus*)
1150 {
1151 inkscape_activate_desktop (desktop);
1153 /* give focus to canvas widget */
1154 gtk_widget_grab_focus (GTK_WIDGET (canvas));
1156 return false;
1157 }
1159 static gdouble
1160 sp_dtw_zoom_value_to_display (gdouble value)
1161 {
1162 return floor (pow (2, value) * 100.0 + 0.5);
1163 }
1165 static gdouble
1166 sp_dtw_zoom_display_to_value (gdouble value)
1167 {
1168 return log (value / 100.0) / log (2);
1169 }
1171 static gint
1172 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1173 {
1174 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1175 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1176 gdouble new_typed = atof (b);
1178 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1179 *new_val = new_scrolled;
1180 } else { // the new value is typed in
1181 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1182 }
1184 return TRUE;
1185 }
1187 static bool
1188 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1189 {
1190 gchar b[64];
1191 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1192 gtk_entry_set_text (GTK_ENTRY (spin), b);
1193 return TRUE;
1194 }
1196 static void
1197 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1198 {
1199 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1201 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1202 SPDesktop *desktop = dtw->desktop;
1204 NR::Rect const d = desktop->get_display_area();
1205 g_signal_handler_block (spin, dtw->zoom_update);
1206 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1207 g_signal_handler_unblock (spin, dtw->zoom_update);
1209 spinbutton_defocus (GTK_OBJECT (spin));
1210 }
1212 static void
1213 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1214 {
1215 GList *children, *iter;
1216 GtkWidget *item;
1217 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1219 children = gtk_container_get_children (GTK_CONTAINER (menu));
1220 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1221 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1222 }
1223 g_list_free (children);
1225 item = gtk_menu_item_new_with_label ("200%");
1226 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1227 gtk_widget_show (item);
1228 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1229 item = gtk_menu_item_new_with_label ("100%");
1230 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1231 gtk_widget_show (item);
1232 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1233 item = gtk_menu_item_new_with_label ("50%");
1234 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1235 gtk_widget_show (item);
1236 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1238 item = gtk_separator_menu_item_new ();
1239 gtk_widget_show (item);
1240 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1242 item = gtk_menu_item_new_with_label (_("Page"));
1243 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1244 gtk_widget_show (item);
1245 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1246 item = gtk_menu_item_new_with_label (_("Drawing"));
1247 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1248 gtk_widget_show (item);
1249 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1250 item = gtk_menu_item_new_with_label (_("Selection"));
1251 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1252 gtk_widget_show (item);
1253 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1254 }
1256 static void
1257 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1258 {
1259 NR::Rect const d = dt->get_display_area();
1260 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1261 }
1263 static void
1264 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1265 {
1266 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1267 }
1269 static void
1270 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1271 {
1272 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1273 }
1275 static void
1276 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1277 {
1278 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1279 }
1281 static void
1282 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1283 {
1284 static_cast<SPDesktop*>(data)->zoom_page();
1285 }
1287 static void
1288 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1289 {
1290 static_cast<SPDesktop*>(data)->zoom_drawing();
1291 }
1293 static void
1294 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1295 {
1296 static_cast<SPDesktop*>(data)->zoom_selection();
1297 }
1301 void
1302 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1303 {
1304 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1305 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1306 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1307 }
1309 void
1310 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1311 {
1312 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1313 gtk_widget_hide_all (dtw->hruler);
1314 gtk_widget_hide_all (dtw->vruler);
1315 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 0);
1316 } else {
1317 gtk_widget_show_all (dtw->hruler);
1318 gtk_widget_show_all (dtw->vruler);
1319 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 1);
1320 }
1321 }
1323 void
1324 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1325 {
1326 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1327 gtk_widget_hide_all (dtw->hscrollbar);
1328 gtk_widget_hide_all (dtw->vscrollbar_box);
1329 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1330 } else {
1331 gtk_widget_show_all (dtw->hscrollbar);
1332 gtk_widget_show_all (dtw->vscrollbar_box);
1333 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1334 }
1335 }
1337 /* Unused
1338 void
1339 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1340 {
1341 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1342 gtk_widget_hide_all (dtw->menubar);
1343 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1344 } else {
1345 gtk_widget_show_all (dtw->menubar);
1346 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1347 }
1348 }
1349 */
1351 static void
1352 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1353 {
1354 if ((l != adj->lower) ||
1355 (u != adj->upper) ||
1356 (ps != adj->page_size) ||
1357 (si != adj->step_increment) ||
1358 (pi != adj->page_increment)) {
1359 adj->lower = l;
1360 adj->upper = u;
1361 adj->page_size = ps;
1362 adj->step_increment = si;
1363 adj->page_increment = pi;
1364 gtk_adjustment_changed (adj);
1365 }
1366 }
1368 void
1369 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1370 {
1371 if (!dtw) return;
1372 if (dtw->update) return;
1373 dtw->update = 1;
1375 /* The desktop region we always show unconditionally */
1376 SPDocument *doc = dtw->desktop->doc();
1377 NR::Rect darea(NR::Point(-sp_document_width(doc), -sp_document_height(doc)),
1378 NR::Point(2 * sp_document_width(doc), 2 * sp_document_height(doc)));
1379 darea = NR::union_bounds(darea, sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc))));
1381 /* Canvas region we always show unconditionally */
1382 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1383 darea.max()[NR::Y] * -scale - 64),
1384 NR::Point(darea.max()[NR::X] * scale + 64,
1385 darea.min()[NR::Y] * -scale + 64));
1387 NR::Rect viewbox = dtw->canvas->getViewbox();
1389 /* Viewbox is always included into scrollable region */
1390 carea = NR::union_bounds(carea, viewbox);
1392 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1393 viewbox.dimensions()[NR::X],
1394 0.1 * viewbox.dimensions()[NR::X],
1395 viewbox.dimensions()[NR::X]);
1396 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1398 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1399 viewbox.dimensions()[NR::Y],
1400 0.1 * viewbox.dimensions()[NR::Y],
1401 viewbox.dimensions()[NR::Y]);
1402 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1404 dtw->update = 0;
1405 }
1408 /*
1409 Local Variables:
1410 mode:c++
1411 c-file-style:"stroustrup"
1412 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1413 indent-tabs-mode:nil
1414 fill-column:99
1415 End:
1416 */
1417 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :