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 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
399 if (window) {
400 gchar const *fname = ( TRUE
401 ? uri
402 : g_basename(uri) );
403 GString *name = g_string_new ("");
404 if (this->desktop->number > 1) {
405 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
406 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
407 } else {
408 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
409 }
410 } else {
411 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
412 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
413 } else {
414 g_string_printf (name, _("%s - Inkscape"), fname);
415 }
416 }
417 gtk_window_set_title (window, name->str);
418 g_string_free (name, TRUE);
419 }
420 }
422 /**
423 * Callback to allocate space for desktop widget.
424 */
425 static void
426 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
427 {
428 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
430 if ((allocation->x == widget->allocation.x) &&
431 (allocation->y == widget->allocation.y) &&
432 (allocation->width == widget->allocation.width) &&
433 (allocation->height == widget->allocation.height)) {
434 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
435 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
436 return;
437 }
439 if (GTK_WIDGET_REALIZED (widget)) {
440 NR::Rect const area = dtw->desktop->get_display_area();
441 double zoom = dtw->desktop->current_zoom();
443 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
444 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
445 }
447 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
448 /* Calculate zoom per pixel */
449 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
450 /* Find new visible area */
451 NR::Rect newarea = dtw->desktop->get_display_area();
452 /* Calculate adjusted zoom */
453 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
454 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
455 } else {
456 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
457 }
459 } else {
460 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
461 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
462 }
463 // this->size_allocate (widget, allocation);
464 }
465 }
467 /**
468 * Callback to realize desktop widget.
469 */
470 static void
471 sp_desktop_widget_realize (GtkWidget *widget)
472 {
474 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
476 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
477 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
479 NRRect d;
480 d.x0 = 0.0;
481 d.y0 = 0.0;
482 d.x1 = sp_document_width (dtw->desktop->doc());
483 d.y1 = sp_document_height (dtw->desktop->doc());
485 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
487 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
489 /* Listen on namedview modification */
490 // originally (prior to the sigc++ conversion) the signal was simply
491 // connected twice rather than disconnecting the first connection
492 dtw->modified_connection.disconnect();
493 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
494 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
496 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
497 }
499 /**
500 * Callback to handle desktop widget event.
501 */
502 static gint
503 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
504 {
505 if (event->type == GDK_BUTTON_PRESS) {
506 // defocus any spinbuttons
507 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
508 }
510 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
511 if (event->button.state & GDK_SHIFT_MASK) {
512 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
513 } else {
514 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
515 }
516 }
518 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
519 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
520 } else {
521 // The keypress events need to be passed to desktop handler explicitly,
522 // because otherwise the event contexts only receive keypresses when the mouse cursor
523 // is over the canvas. This redirection is only done for keypresses and only if there's no
524 // current item on the canvas, because item events and all mouse events are caught
525 // and passed on by the canvas acetate (I think). --bb
526 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
527 return sp_desktop_root_handler (NULL, event, dtw->desktop);
528 }
529 }
531 return FALSE;
532 }
534 void
535 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
536 {
537 /* update active desktop indicator */
538 }
540 void
541 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
542 {
543 /* update inactive desktop indicator */
544 }
546 /**
547 * Shuts down the desktop object for the view being closed. It checks
548 * to see if the document has been edited, and if so prompts the user
549 * to save, discard, or cancel. Returns TRUE if the shutdown operation
550 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
551 */
552 bool
553 SPDesktopWidget::shutdown()
554 {
555 g_assert(desktop != NULL);
557 if (inkscape_is_sole_desktop_for_document(*desktop)) {
558 SPDocument *doc = desktop->doc();
559 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
560 GtkWidget *dialog;
562 dialog = gtk_message_dialog_new(
563 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
564 GTK_DIALOG_DESTROY_WITH_PARENT,
565 GTK_MESSAGE_WARNING,
566 GTK_BUTTONS_NONE,
567 "Document modified");
569 gchar *markup;
570 /** \todo
571 * FIXME !!! obviously this will have problems if the document
572 * name contains markup characters
573 */
574 markup = g_strdup_printf(
575 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
576 "If you close without saving, your changes will be discarded."),
577 SP_DOCUMENT_NAME(doc));
579 /** \todo
580 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
581 * (and actually even
582 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
583 * until then, we will have to be a little bit evil here and
584 * poke at GtkMessageDialog::label, which is private...
585 */
587 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
588 g_free(markup);
590 GtkWidget *close_button;
591 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
592 gtk_widget_show(close_button);
593 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
595 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
596 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
597 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
599 gint response;
600 response = gtk_dialog_run(GTK_DIALOG(dialog));
601 gtk_widget_destroy(dialog);
603 switch (response) {
604 case GTK_RESPONSE_YES:
605 sp_document_ref(doc);
606 if (sp_file_save_document(doc)) {
607 sp_document_unref(doc);
608 } else { // save dialog cancelled or save failed
609 sp_document_unref(doc);
610 return TRUE;
611 }
612 break;
613 case GTK_RESPONSE_NO:
614 break;
615 default: // cancel pressed, or dialog was closed
616 return TRUE;
617 break;
618 }
619 }
620 /* Code to check data loss */
621 bool allow_data_loss = FALSE;
622 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
623 GtkWidget *dialog;
625 dialog = gtk_message_dialog_new(
626 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
627 GTK_DIALOG_DESTROY_WITH_PARENT,
628 GTK_MESSAGE_WARNING,
629 GTK_BUTTONS_NONE,
630 "Document modified");
632 gchar *markup;
633 /** \todo
634 * FIXME !!! obviously this will have problems if the document
635 * name contains markup characters
636 */
637 markup = g_strdup_printf(
638 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
639 "Do you want to save this file in another format?"),
640 SP_DOCUMENT_NAME(doc),
641 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
643 /** \todo
644 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
645 * (and actually even
646 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
647 * until then, we will have to be a little bit evil here and
648 * poke at GtkMessageDialog::label, which is private...
649 */
651 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
652 g_free(markup);
654 GtkWidget *close_button;
655 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
656 gtk_widget_show(close_button);
657 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
659 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
660 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
661 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
663 gint response;
664 response = gtk_dialog_run(GTK_DIALOG(dialog));
665 gtk_widget_destroy(dialog);
667 switch (response) {
668 case GTK_RESPONSE_YES:
669 sp_document_ref(doc);
670 if (sp_file_save_dialog(doc)) {
671 sp_document_unref(doc);
672 } else { // save dialog cancelled or save failed
673 sp_document_unref(doc);
674 return TRUE;
675 }
676 break;
677 case GTK_RESPONSE_NO:
678 allow_data_loss = TRUE;
679 break;
680 default: // cancel pressed, or dialog was closed
681 return TRUE;
682 break;
683 }
684 }
685 }
687 /* Save window geometry to prefs for use as a default.
688 * Use depends on setting of "options.savewindowgeometry".
689 * But we save the info here regardless of the setting.
690 */
691 {
692 gint full = desktop->is_fullscreen() ? 1 : 0;
693 gint maxed = desktop->is_maximized() ? 1 : 0;
694 prefs_set_int_attribute("desktop.geometry", "fullscreen", full);
695 prefs_set_int_attribute("desktop.geometry", "maximized", maxed);
696 gint w, h, x, y;
697 desktop->getWindowGeometry(x, y, w, h);
698 // Don't save geom for maximized windows. It
699 // just tells you the current maximized size, which is not
700 // as useful as whatever value it had previously.
701 if (!maxed && !full) {
702 prefs_set_int_attribute("desktop.geometry", "width", w);
703 prefs_set_int_attribute("desktop.geometry", "height", h);
704 prefs_set_int_attribute("desktop.geometry", "x", x);
705 prefs_set_int_attribute("desktop.geometry", "y", y);
706 }
707 }
709 return FALSE;
710 }
712 /**
713 * \pre this->desktop->main != 0
714 */
715 void
716 SPDesktopWidget::requestCanvasUpdate() {
717 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
718 }
720 void
721 SPDesktopWidget::requestCanvasUpdateAndWait() {
722 requestCanvasUpdate();
724 while (gtk_events_pending())
725 gtk_main_iteration_do(FALSE);
727 }
729 void
730 SPDesktopWidget::enableInteraction()
731 {
732 g_return_if_fail(_interaction_disabled_counter > 0);
734 _interaction_disabled_counter--;
736 if (_interaction_disabled_counter == 0) {
737 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
738 }
739 }
741 void
742 SPDesktopWidget::disableInteraction()
743 {
744 if (_interaction_disabled_counter == 0) {
745 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
746 }
748 _interaction_disabled_counter++;
749 }
751 void
752 SPDesktopWidget::setCoordinateStatus(NR::Point p)
753 {
754 gchar *cstr;
755 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::X]);
756 gtk_label_set_markup( GTK_LABEL(this->coord_status_x), cstr );
757 g_free(cstr);
759 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::Y]);
760 gtk_label_set_markup( GTK_LABEL(this->coord_status_y), cstr );
761 g_free(cstr);
762 }
764 void
765 SPDesktopWidget::letZoomGrabFocus()
766 {
767 if (zoom_status)
768 gtk_widget_grab_focus (zoom_status);
769 }
771 void
772 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
773 {
774 gboolean vis = GTK_WIDGET_VISIBLE (this);
776 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
777 if (window)
778 {
779 gtk_window_get_size (window, &w, &h);
780 gtk_window_get_position (window, &x, &y);
781 }
782 }
784 void
785 SPDesktopWidget::setWindowPosition (NR::Point p)
786 {
787 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
788 if (window)
789 {
790 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
791 }
792 }
794 void
795 SPDesktopWidget::setWindowSize (gint w, gint h)
796 {
797 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
798 if (window)
799 {
800 gtk_window_set_default_size (window, w, h);
801 gtk_window_reshow_with_initial_size (window);
802 }
803 }
805 /**
806 * \note transientizing does not work on windows; when you minimize a document
807 * and then open it back, only its transient emerges and you cannot access
808 * the document window. The document window must be restored by rightclicking
809 * the taskbar button and pressing "Restore"
810 */
811 void
812 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
813 {
814 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
815 if (w)
816 {
817 gtk_window_set_transient_for (GTK_WINDOW(p), w);
819 /*
820 * This enables "aggressive" transientization,
821 * i.e. dialogs always emerging on top when you switch documents. Note
822 * however that this breaks "click to raise" policy of a window
823 * manager because the switched-to document will be raised at once
824 * (so that its transients also could raise)
825 */
826 if (transient_policy == 2)
828 // without this, a transient window not always emerges on top
829 gtk_window_present (w);
830 }
831 }
833 void
834 SPDesktopWidget::presentWindow()
835 {
836 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
837 if (w)
838 gtk_window_present (w);
839 }
841 bool
842 SPDesktopWidget::warnDialog (gchar* text)
843 {
844 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
845 if (w)
846 {
847 GtkWidget *dialog = gtk_message_dialog_new(
848 w,
849 GTK_DIALOG_DESTROY_WITH_PARENT,
850 GTK_MESSAGE_WARNING,
851 GTK_BUTTONS_YES_NO,
852 "%s", text);
853 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
854 gtk_widget_destroy(dialog);
855 if (response == GTK_RESPONSE_YES)
856 return true;
857 }
858 return false;
859 }
861 void
862 sp_desktop_widget_iconify(SPDesktopWidget *dtw)
863 {
864 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
865 if (GTK_IS_WINDOW(topw)) {
866 if (dtw->desktop->is_iconified()) {
867 gtk_window_deiconify(topw);
868 } else {
869 gtk_window_iconify(topw);
870 }
871 }
872 }
874 void
875 sp_desktop_widget_maximize(SPDesktopWidget *dtw)
876 {
877 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
878 if (GTK_IS_WINDOW(topw)) {
879 if (dtw->desktop->is_maximized()) {
880 gtk_window_unmaximize(topw);
881 } else {
882 // Save geometry to prefs before maximizing so that
883 // something useful is stored there, because GTK doesn't maintain
884 // a separate non-maximized size.
885 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_fullscreen())
886 {
887 gint w, h, x, y;
888 dtw->getWindowGeometry(x, y, w, h);
889 prefs_set_int_attribute("desktop.geometry", "width", w);
890 prefs_set_int_attribute("desktop.geometry", "height", h);
891 prefs_set_int_attribute("desktop.geometry", "x", x);
892 prefs_set_int_attribute("desktop.geometry", "y", y);
893 }
894 gtk_window_maximize(topw);
895 }
896 }
897 }
899 void
900 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
901 {
902 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
903 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
904 if (GTK_IS_WINDOW(topw)) {
905 if (dtw->desktop->is_fullscreen()) {
906 gtk_window_unfullscreen(topw);
907 // widget layout is triggered by the resulting window_state_event
908 } else {
909 // Save geometry to prefs before maximizing so that
910 // something useful is stored there, because GTK doesn't maintain
911 // a separate non-maximized size.
912 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_maximized())
913 {
914 gint w, h, x, y;
915 dtw->getWindowGeometry(x, y, w, h);
916 prefs_set_int_attribute("desktop.geometry", "width", w);
917 prefs_set_int_attribute("desktop.geometry", "height", h);
918 prefs_set_int_attribute("desktop.geometry", "x", x);
919 prefs_set_int_attribute("desktop.geometry", "y", y);
920 }
921 gtk_window_fullscreen(topw);
922 // widget layout is triggered by the resulting window_state_event
923 }
924 }
925 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
926 }
928 /**
929 * Hide whatever the user does not want to see in the window
930 */
931 void
932 sp_desktop_widget_layout (SPDesktopWidget *dtw)
933 {
934 bool fullscreen = dtw->desktop->is_fullscreen();
936 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
937 gtk_widget_hide_all (dtw->menubar);
938 } else {
939 gtk_widget_show_all (dtw->menubar);
940 }
942 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
943 gtk_widget_hide_all (dtw->commands_toolbox);
944 } else {
945 gtk_widget_show_all (dtw->commands_toolbox);
946 }
948 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
949 gtk_widget_hide_all (dtw->aux_toolbox);
950 } else {
951 // we cannot just show_all because that will show all tools' panels;
952 // this is a function from toolbox.cpp that shows only the current tool's panel
953 show_aux_toolbox (dtw->aux_toolbox);
954 }
956 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
957 gtk_widget_hide_all (dtw->tool_toolbox);
958 } else {
959 gtk_widget_show_all (dtw->tool_toolbox);
960 }
962 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
963 gtk_widget_hide_all (dtw->statusbar);
964 } else {
965 gtk_widget_show_all (dtw->statusbar);
966 }
968 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
969 gtk_widget_hide_all( dtw->panels );
970 } else {
971 gtk_widget_show_all( dtw->panels );
972 }
974 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
975 gtk_widget_hide_all (dtw->hscrollbar);
976 gtk_widget_hide_all (dtw->vscrollbar_box);
977 } else {
978 gtk_widget_show_all (dtw->hscrollbar);
979 gtk_widget_show_all (dtw->vscrollbar_box);
980 }
982 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
983 gtk_widget_hide_all (dtw->hruler);
984 gtk_widget_hide_all (dtw->vruler);
985 } else {
986 gtk_widget_show_all (dtw->hruler);
987 gtk_widget_show_all (dtw->vruler);
988 }
989 }
991 void
992 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
993 {
994 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
995 if (hb && GTK_IS_WIDGET(hb))
996 {
997 gtk_widget_grab_focus(GTK_WIDGET(hb));
998 }
999 }
1001 void
1002 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
1003 {
1004 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
1005 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
1006 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
1007 gtk_adjustment_set_value (a, value);
1008 }
1009 }
1011 bool
1012 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
1013 {
1014 bool isActive = false;
1015 gpointer thing = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
1016 if ( !thing ) {
1017 //g_message( "Unable to locate item for {%s}", id );
1018 } else if ( GTK_IS_TOGGLE_BUTTON(thing) ) {
1019 GtkToggleButton *b = GTK_TOGGLE_BUTTON(thing);
1020 isActive = gtk_toggle_button_get_active( b ) != 0;
1021 } else if ( GTK_IS_TOGGLE_ACTION(thing) ) {
1022 GtkToggleAction* act = GTK_TOGGLE_ACTION(thing);
1023 isActive = gtk_toggle_action_get_active( act ) != 0;
1024 } else {
1025 //g_message( "Item for {%s} is of an unsupported type", id );
1026 }
1028 return isActive;
1029 }
1031 SPViewWidget *
1032 sp_desktop_widget_new (SPNamedView *namedview)
1033 {
1034 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
1036 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
1038 dtw->ruler_origin = NR::Point(0,0); //namedview->gridorigin; Why was the grid origin used here?
1040 dtw->desktop = new SPDesktop();
1041 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
1042 dtw->desktop->registerEditWidget (dtw->stub);
1043 dtw->desktop->init (namedview, dtw->canvas);
1044 inkscape_add_desktop (dtw->desktop);
1046 // Add the shape geometry to libavoid for autorouting connectors.
1047 // This needs desktop set for its spacing preferences.
1048 init_avoided_shape_geometry(dtw->desktop);
1050 dtw->selected_style->setDesktop(dtw->desktop);
1052 /* Once desktop is set, we can update rulers */
1053 sp_desktop_widget_update_rulers (dtw);
1055 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
1057 /* Listen on namedview modification */
1058 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
1060 dtw->layer_selector->setDesktop(dtw->desktop);
1062 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
1063 gtk_widget_show_all (dtw->menubar);
1064 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
1066 sp_desktop_widget_layout (dtw);
1068 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
1069 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
1070 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
1072 return SP_VIEW_WIDGET (dtw);
1073 }
1075 void
1076 SPDesktopWidget::viewSetPosition (NR::Point p)
1077 {
1078 NR::Point const origin = ( p - ruler_origin );
1080 /// \todo fixme:
1081 GTK_RULER(hruler)->position = origin[NR::X];
1082 gtk_ruler_draw_pos (GTK_RULER (hruler));
1083 GTK_RULER(vruler)->position = origin[NR::Y];
1084 gtk_ruler_draw_pos (GTK_RULER (vruler));
1085 }
1087 void
1088 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
1089 {
1090 NR::Rect const viewbox = dtw->canvas->getViewbox();
1091 double const scale = dtw->desktop->current_zoom();
1092 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
1093 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
1094 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
1095 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1096 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1097 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
1098 }
1101 static void
1102 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1103 {
1104 SPNamedView *nv=SP_NAMEDVIEW(obj);
1105 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1106 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1107 dtw->ruler_origin = NR::Point(0,0); //nv->gridorigin; Why was the grid origin used here?
1109 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1110 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1112 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1113 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1115 sp_desktop_widget_update_rulers (dtw);
1116 }
1117 }
1119 static void
1120 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
1121 {
1122 if (dtw->update)
1123 return;
1125 dtw->update = 1;
1127 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1128 sp_desktop_widget_update_rulers (dtw);
1130 dtw->update = 0;
1131 }
1133 /* we make the desktop window with focus active, signal is connected in interface.c */
1135 gint
1136 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1137 {
1138 inkscape_activate_desktop (dtw->desktop);
1140 /* give focus to canvas widget */
1141 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1143 return FALSE;
1144 }
1146 static gdouble
1147 sp_dtw_zoom_value_to_display (gdouble value)
1148 {
1149 return floor (pow (2, value) * 100.0 + 0.5);
1150 }
1152 static gdouble
1153 sp_dtw_zoom_display_to_value (gdouble value)
1154 {
1155 return log (value / 100.0) / log (2);
1156 }
1158 static gint
1159 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1160 {
1161 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1162 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1163 gdouble new_typed = atof (b);
1165 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1166 *new_val = new_scrolled;
1167 } else { // the new value is typed in
1168 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1169 }
1171 return TRUE;
1172 }
1174 static bool
1175 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1176 {
1177 gchar b[64];
1178 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1179 gtk_entry_set_text (GTK_ENTRY (spin), b);
1180 return TRUE;
1181 }
1183 static void
1184 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1185 {
1186 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1188 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1189 SPDesktop *desktop = dtw->desktop;
1191 NR::Rect const d = desktop->get_display_area();
1192 g_signal_handler_block (spin, dtw->zoom_update);
1193 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1194 g_signal_handler_unblock (spin, dtw->zoom_update);
1196 spinbutton_defocus (GTK_OBJECT (spin));
1197 }
1199 static void
1200 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1201 {
1202 GList *children, *iter;
1203 GtkWidget *item;
1204 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1206 children = gtk_container_get_children (GTK_CONTAINER (menu));
1207 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1208 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1209 }
1210 g_list_free (children);
1212 item = gtk_menu_item_new_with_label ("200%");
1213 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1214 gtk_widget_show (item);
1215 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1216 item = gtk_menu_item_new_with_label ("100%");
1217 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1218 gtk_widget_show (item);
1219 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1220 item = gtk_menu_item_new_with_label ("50%");
1221 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1222 gtk_widget_show (item);
1223 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1225 item = gtk_separator_menu_item_new ();
1226 gtk_widget_show (item);
1227 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1229 item = gtk_menu_item_new_with_label (_("Page"));
1230 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1231 gtk_widget_show (item);
1232 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1233 item = gtk_menu_item_new_with_label (_("Drawing"));
1234 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1235 gtk_widget_show (item);
1236 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1237 item = gtk_menu_item_new_with_label (_("Selection"));
1238 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1239 gtk_widget_show (item);
1240 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1241 }
1243 static void
1244 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1245 {
1246 NR::Rect const d = dt->get_display_area();
1247 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1248 }
1250 static void
1251 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1252 {
1253 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1254 }
1256 static void
1257 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1258 {
1259 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1260 }
1262 static void
1263 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1264 {
1265 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1266 }
1268 static void
1269 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1270 {
1271 static_cast<SPDesktop*>(data)->zoom_page();
1272 }
1274 static void
1275 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1276 {
1277 static_cast<SPDesktop*>(data)->zoom_drawing();
1278 }
1280 static void
1281 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1282 {
1283 static_cast<SPDesktop*>(data)->zoom_selection();
1284 }
1288 void
1289 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1290 {
1291 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1292 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1293 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1294 }
1296 void
1297 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1298 {
1299 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1300 gtk_widget_hide_all (dtw->hruler);
1301 gtk_widget_hide_all (dtw->vruler);
1302 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 0);
1303 } else {
1304 gtk_widget_show_all (dtw->hruler);
1305 gtk_widget_show_all (dtw->vruler);
1306 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 1);
1307 }
1308 }
1310 void
1311 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1312 {
1313 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1314 gtk_widget_hide_all (dtw->hscrollbar);
1315 gtk_widget_hide_all (dtw->vscrollbar_box);
1316 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1317 } else {
1318 gtk_widget_show_all (dtw->hscrollbar);
1319 gtk_widget_show_all (dtw->vscrollbar_box);
1320 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1321 }
1322 }
1324 /* Unused
1325 void
1326 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1327 {
1328 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1329 gtk_widget_hide_all (dtw->menubar);
1330 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1331 } else {
1332 gtk_widget_show_all (dtw->menubar);
1333 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1334 }
1335 }
1336 */
1338 static void
1339 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1340 {
1341 if ((l != adj->lower) ||
1342 (u != adj->upper) ||
1343 (ps != adj->page_size) ||
1344 (si != adj->step_increment) ||
1345 (pi != adj->page_increment)) {
1346 adj->lower = l;
1347 adj->upper = u;
1348 adj->page_size = ps;
1349 adj->step_increment = si;
1350 adj->page_increment = pi;
1351 gtk_adjustment_changed (adj);
1352 }
1353 }
1355 void
1356 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1357 {
1358 if (!dtw) return;
1359 if (dtw->update) return;
1360 dtw->update = 1;
1362 /* The desktop region we always show unconditionally */
1363 SPDocument *doc = dtw->desktop->doc();
1364 NR::Rect darea(NR::Point(-sp_document_width(doc), -sp_document_height(doc)),
1365 NR::Point(2 * sp_document_width(doc), 2 * sp_document_height(doc)));
1366 darea = NR::union_bounds(darea, sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc))));
1368 /* Canvas region we always show unconditionally */
1369 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1370 darea.max()[NR::Y] * -scale - 64),
1371 NR::Point(darea.max()[NR::X] * scale + 64,
1372 darea.min()[NR::Y] * -scale + 64));
1374 NR::Rect viewbox = dtw->canvas->getViewbox();
1376 /* Viewbox is always included into scrollable region */
1377 carea = NR::union_bounds(carea, viewbox);
1379 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1380 viewbox.dimensions()[NR::X],
1381 0.1 * viewbox.dimensions()[NR::X],
1382 viewbox.dimensions()[NR::X]);
1383 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1385 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1386 viewbox.dimensions()[NR::Y],
1387 0.1 * viewbox.dimensions()[NR::Y],
1388 viewbox.dimensions()[NR::Y]);
1389 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1391 dtw->update = 0;
1392 }
1395 /*
1396 Local Variables:
1397 mode:c++
1398 c-file-style:"stroustrup"
1399 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1400 indent-tabs-mode:nil
1401 fill-column:99
1402 End:
1403 */
1404 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :