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"
55 #include "ege-select-one-action.h"
57 #if defined (SOLARIS_2_8)
58 #include "round.h"
59 using Inkscape::round;
60 #endif
62 #ifdef WITH_INKBOARD
63 #endif
67 enum {
68 ACTIVATE,
69 DEACTIVATE,
70 MODIFIED,
71 EVENT_CONTEXT_CHANGED,
72 LAST_SIGNAL
73 };
76 //---------------------------------------------------------------------
77 /* SPDesktopWidget */
79 static void sp_desktop_widget_class_init (SPDesktopWidgetClass *klass);
80 static void sp_desktop_widget_init (SPDesktopWidget *widget);
81 static void sp_desktop_widget_destroy (GtkObject *object);
83 static void sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation);
84 static void sp_desktop_widget_realize (GtkWidget *widget);
86 static gint sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw);
88 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
89 static void sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw);
91 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
92 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
93 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
94 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
95 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
96 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
97 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
98 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
99 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
100 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
101 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
102 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
103 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
105 SPViewWidgetClass *dtw_parent_class;
107 void
108 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
109 {
110 GtkLabel *sb=GTK_LABEL(this->select_status);
111 gtk_label_set_markup (sb, message ? message : "");
113 // make sure the important messages are displayed immediately!
114 if (type == Inkscape::IMMEDIATE_MESSAGE && GTK_WIDGET_DRAWABLE (GTK_WIDGET(sb))) {
115 gtk_widget_queue_draw(GTK_WIDGET(sb));
116 gdk_window_process_updates(GTK_WIDGET(sb)->window, TRUE);
117 }
119 // FIXME: TODO: remove <b></b> before displaying as tooltip
120 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
121 }
123 NR::Point
124 SPDesktopWidget::window_get_pointer()
125 {
126 gint x,y;
127 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
128 return NR::Point(x,y);
129 }
131 /**
132 * Registers SPDesktopWidget class and returns its type number.
133 */
134 GtkType
135 sp_desktop_widget_get_type (void)
136 {
137 static GtkType type = 0;
138 if (!type) {
139 static const GtkTypeInfo info = {
140 "SPDesktopWidget",
141 sizeof (SPDesktopWidget),
142 sizeof (SPDesktopWidgetClass),
143 (GtkClassInitFunc) sp_desktop_widget_class_init,
144 (GtkObjectInitFunc) sp_desktop_widget_init,
145 NULL, NULL, NULL
146 };
147 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
148 }
149 return type;
150 }
152 /**
153 * SPDesktopWidget vtable initialization
154 */
155 static void
156 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
157 {
158 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
160 GtkObjectClass *object_class = (GtkObjectClass *) klass;
161 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
163 object_class->destroy = sp_desktop_widget_destroy;
165 widget_class->size_allocate = sp_desktop_widget_size_allocate;
166 widget_class->realize = sp_desktop_widget_realize;
167 }
169 /**
170 * Callback for SPDesktopWidget object initialization.
171 */
172 static void
173 sp_desktop_widget_init (SPDesktopWidget *dtw)
174 {
175 GtkWidget *widget;
176 GtkWidget *tbl;
178 GtkWidget *hbox;
179 GtkWidget *eventbox;
180 GtkStyle *style;
182 new (&dtw->modified_connection) sigc::connection();
184 widget = GTK_WIDGET (dtw);
186 dtw->window = 0;
188 dtw->desktop = NULL;
190 dtw->_interaction_disabled_counter = 0;
192 dtw->tt = gtk_tooltips_new ();
194 /* Main table */
195 dtw->vbox = gtk_vbox_new (FALSE, 0);
196 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
198 dtw->statusbar = gtk_hbox_new (FALSE, 0);
199 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
200 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
202 {
203 using Inkscape::UI::Dialogs::SwatchesPanel;
205 SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
206 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
207 dtw->panels = GTK_WIDGET(swatches->gobj());
208 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
209 }
211 hbox = gtk_hbox_new (FALSE, 0);
212 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
213 gtk_widget_show (hbox);
215 dtw->aux_toolbox = sp_aux_toolbox_new ();
216 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
218 dtw->commands_toolbox = sp_commands_toolbox_new ();
219 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
221 dtw->tool_toolbox = sp_tool_toolbox_new ();
222 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
224 tbl = gtk_table_new (4, 3, FALSE);
225 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
227 /* Horizontal ruler */
228 eventbox = gtk_event_box_new ();
229 dtw->hruler = sp_hruler_new ();
230 dtw->hruler_box = eventbox;
231 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
232 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
233 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
234 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
235 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
236 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
237 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
239 /* Vertical ruler */
240 eventbox = gtk_event_box_new ();
241 dtw->vruler = sp_vruler_new ();
242 dtw->vruler_box = eventbox;
243 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
244 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
245 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
246 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
247 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
248 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
249 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
251 /* Horizontal scrollbar */
252 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
253 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
254 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
255 /* Vertical scrollbar and the sticky zoom button */
256 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
257 dtw->sticky_zoom = sp_button_new_from_data ( Inkscape::ICON_SIZE_DECORATION,
258 SP_BUTTON_TYPE_TOGGLE,
259 NULL,
260 "sticky_zoom",
261 _("Zoom drawing if window size changes"),
262 dtw->tt);
263 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
264 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
265 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
266 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
267 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
268 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
270 /* Canvas */
271 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
272 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
273 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
274 style->bg[GTK_STATE_NORMAL] = style->white;
275 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
276 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
277 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
278 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);
280 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
281 GtkHBox *ss_ = dtw->selected_style->gobj();
282 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
283 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
285 // connect scrollbar signals
286 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
287 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
289 GtkWidget *statusbar_tail=gtk_statusbar_new();
290 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
291 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
293 // zoom status spinbutton
294 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);
295 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
296 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
297 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
298 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
299 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
300 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
301 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
302 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
303 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
304 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
305 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
306 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
308 // cursor coordinates
309 dtw->coord_status = gtk_table_new (5, 2, FALSE);
310 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
311 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
312 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
313 eventbox = gtk_event_box_new ();
314 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
315 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
316 GtkWidget *label_x = gtk_label_new("X:");
317 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
318 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
319 GtkWidget *label_y = gtk_label_new("Y:");
320 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
321 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
322 dtw->coord_status_x = gtk_label_new(NULL);
323 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_x), "<tt> 0.00 </tt>" );
324 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 1.0, 0.5);
325 dtw->coord_status_y = gtk_label_new(NULL);
326 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_y), "<tt> 0.00 </tt>" );
327 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 1.0, 0.5);
328 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
329 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
330 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
331 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
332 sp_set_font_size_smaller (dtw->coord_status);
333 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
335 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
336 // FIXME: need to unreference on container destruction to avoid leak
337 dtw->layer_selector->reference();
338 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
339 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
341 dtw->select_status_eventbox = gtk_event_box_new ();
342 dtw->select_status = gtk_label_new (NULL);
343 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
344 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
345 #endif
346 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
347 gtk_widget_set_size_request (dtw->select_status, 1, -1);
348 // display the initial welcome message in the statusbar
349 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."));
350 // space label 2 pixels from left edge
351 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
352 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
353 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
355 gtk_widget_show_all (dtw->vbox);
356 }
358 /**
359 * Called before SPDesktopWidget destruction.
360 */
361 static void
362 sp_desktop_widget_destroy (GtkObject *object)
363 {
364 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
366 if (dtw->desktop) {
367 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
368 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
369 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
370 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
371 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
372 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
374 dtw->layer_selector->unreference();
375 inkscape_remove_desktop (dtw->desktop); // clears selection too
376 dtw->modified_connection.disconnect();
377 dtw->desktop->destroy();
378 Inkscape::GC::release (dtw->desktop);
379 dtw->desktop = NULL;
380 }
382 dtw->modified_connection.~connection();
384 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
385 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
386 }
387 }
390 /**
391 * Set the title in the desktop-window (if desktop has an own window).
392 *
393 * The title has form file name: desktop number - Inkscape.
394 * The desktop number is only shown if it's 2 or higher,
395 */
396 void
397 SPDesktopWidget::updateTitle(gchar const* uri)
398 {
399 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
401 if (window) {
402 gchar const *fname = ( TRUE
403 ? uri
404 : g_basename(uri) );
405 GString *name = g_string_new ("");
406 if (this->desktop->number > 1) {
407 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
408 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
409 } else {
410 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
411 }
412 } else {
413 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
414 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
415 } else {
416 g_string_printf (name, _("%s - Inkscape"), fname);
417 }
418 }
419 window->set_title (name->str);
420 g_string_free (name, TRUE);
421 }
422 }
424 /**
425 * Callback to allocate space for desktop widget.
426 */
427 static void
428 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
429 {
430 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
432 if ((allocation->x == widget->allocation.x) &&
433 (allocation->y == widget->allocation.y) &&
434 (allocation->width == widget->allocation.width) &&
435 (allocation->height == widget->allocation.height)) {
436 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
437 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
438 return;
439 }
441 if (GTK_WIDGET_REALIZED (widget)) {
442 NR::Rect const area = dtw->desktop->get_display_area();
443 double zoom = dtw->desktop->current_zoom();
445 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
446 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
447 }
449 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
450 /* Calculate zoom per pixel */
451 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
452 /* Find new visible area */
453 NR::Rect newarea = dtw->desktop->get_display_area();
454 /* Calculate adjusted zoom */
455 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
456 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
457 } else {
458 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
459 }
461 } else {
462 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
463 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
464 }
465 // this->size_allocate (widget, allocation);
466 }
467 }
469 /**
470 * Callback to realize desktop widget.
471 */
472 static void
473 sp_desktop_widget_realize (GtkWidget *widget)
474 {
476 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
478 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
479 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
481 NRRect d;
482 d.x0 = 0.0;
483 d.y0 = 0.0;
484 d.x1 = sp_document_width (dtw->desktop->doc());
485 d.y1 = sp_document_height (dtw->desktop->doc());
487 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
489 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
491 /* Listen on namedview modification */
492 // originally (prior to the sigc++ conversion) the signal was simply
493 // connected twice rather than disconnecting the first connection
494 dtw->modified_connection.disconnect();
495 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
496 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
498 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
499 }
501 /**
502 * Callback to handle desktop widget event.
503 */
504 static gint
505 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
506 {
507 if (event->type == GDK_BUTTON_PRESS) {
508 // defocus any spinbuttons
509 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
510 }
512 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
513 if (event->button.state & GDK_SHIFT_MASK) {
514 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
515 } else {
516 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
517 }
518 }
520 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
521 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
522 } else {
523 // The keypress events need to be passed to desktop handler explicitly,
524 // because otherwise the event contexts only receive keypresses when the mouse cursor
525 // is over the canvas. This redirection is only done for keypresses and only if there's no
526 // current item on the canvas, because item events and all mouse events are caught
527 // and passed on by the canvas acetate (I think). --bb
528 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
529 return sp_desktop_root_handler (NULL, event, dtw->desktop);
530 }
531 }
533 return FALSE;
534 }
536 void
537 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
538 {
539 /* update active desktop indicator */
540 }
542 void
543 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
544 {
545 /* update inactive desktop indicator */
546 }
548 /**
549 * Shuts down the desktop object for the view being closed. It checks
550 * to see if the document has been edited, and if so prompts the user
551 * to save, discard, or cancel. Returns TRUE if the shutdown operation
552 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
553 */
554 bool
555 SPDesktopWidget::shutdown()
556 {
557 g_assert(desktop != NULL);
559 if (inkscape_is_sole_desktop_for_document(*desktop)) {
560 SPDocument *doc = desktop->doc();
561 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
562 GtkWidget *dialog;
564 /** \todo
565 * FIXME !!! obviously this will have problems if the document
566 * name contains markup characters
567 */
568 dialog = gtk_message_dialog_new_with_markup(
569 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
570 GTK_DIALOG_DESTROY_WITH_PARENT,
571 GTK_MESSAGE_WARNING,
572 GTK_BUTTONS_NONE,
573 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
574 "If you close without saving, your changes will be discarded."),
575 SP_DOCUMENT_NAME(doc));
576 // fix for bug 1767940:
577 GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(GTK_MESSAGE_DIALOG(dialog)->label), GTK_CAN_FOCUS);
579 GtkWidget *close_button;
580 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
581 gtk_widget_show(close_button);
582 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
584 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
585 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
586 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
588 gint response;
589 response = gtk_dialog_run(GTK_DIALOG(dialog));
590 gtk_widget_destroy(dialog);
592 switch (response) {
593 case GTK_RESPONSE_YES:
594 {
595 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
597 sp_document_ref(doc);
598 if (sp_file_save_document(*window, doc)) {
599 sp_document_unref(doc);
600 } else { // save dialog cancelled or save failed
601 sp_document_unref(doc);
602 return TRUE;
603 }
605 break;
606 }
607 case GTK_RESPONSE_NO:
608 break;
609 default: // cancel pressed, or dialog was closed
610 return TRUE;
611 break;
612 }
613 }
614 /* Code to check data loss */
615 bool allow_data_loss = FALSE;
616 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
617 GtkWidget *dialog;
619 /** \todo
620 * FIXME !!! obviously this will have problems if the document
621 * name contains markup characters
622 */
623 dialog = gtk_message_dialog_new_with_markup(
624 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
625 GTK_DIALOG_DESTROY_WITH_PARENT,
626 GTK_MESSAGE_WARNING,
627 GTK_BUTTONS_NONE,
628 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
629 "Do you want to save this file in another format?"),
630 SP_DOCUMENT_NAME(doc),
631 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
632 // fix for bug 1767940:
633 GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(GTK_MESSAGE_DIALOG(dialog)->label), GTK_CAN_FOCUS);
635 GtkWidget *close_button;
636 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
637 gtk_widget_show(close_button);
638 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
640 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
641 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
642 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
644 gint response;
645 response = gtk_dialog_run(GTK_DIALOG(dialog));
646 gtk_widget_destroy(dialog);
648 switch (response) {
649 case GTK_RESPONSE_YES:
650 {
651 sp_document_ref(doc);
653 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
655 if (sp_file_save_dialog(*window, doc)) {
656 sp_document_unref(doc);
657 } else { // save dialog cancelled or save failed
658 sp_document_unref(doc);
659 return TRUE;
660 }
662 break;
663 }
664 case GTK_RESPONSE_NO:
665 allow_data_loss = TRUE;
666 break;
667 default: // cancel pressed, or dialog was closed
668 return TRUE;
669 break;
670 }
671 }
672 }
674 /* Save window geometry to prefs for use as a default.
675 * Use depends on setting of "options.savewindowgeometry".
676 * But we save the info here regardless of the setting.
677 */
678 {
679 gint full = desktop->is_fullscreen() ? 1 : 0;
680 gint maxed = desktop->is_maximized() ? 1 : 0;
681 prefs_set_int_attribute("desktop.geometry", "fullscreen", full);
682 prefs_set_int_attribute("desktop.geometry", "maximized", maxed);
683 gint w, h, x, y;
684 desktop->getWindowGeometry(x, y, w, h);
685 // Don't save geom for maximized windows. It
686 // just tells you the current maximized size, which is not
687 // as useful as whatever value it had previously.
688 if (!maxed && !full) {
689 prefs_set_int_attribute("desktop.geometry", "width", w);
690 prefs_set_int_attribute("desktop.geometry", "height", h);
691 prefs_set_int_attribute("desktop.geometry", "x", x);
692 prefs_set_int_attribute("desktop.geometry", "y", y);
693 }
694 }
696 return FALSE;
697 }
699 /**
700 * \pre this->desktop->main != 0
701 */
702 void
703 SPDesktopWidget::requestCanvasUpdate() {
704 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
705 }
707 void
708 SPDesktopWidget::requestCanvasUpdateAndWait() {
709 requestCanvasUpdate();
711 while (gtk_events_pending())
712 gtk_main_iteration_do(FALSE);
714 }
716 void
717 SPDesktopWidget::enableInteraction()
718 {
719 g_return_if_fail(_interaction_disabled_counter > 0);
721 _interaction_disabled_counter--;
723 if (_interaction_disabled_counter == 0) {
724 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
725 }
726 }
728 void
729 SPDesktopWidget::disableInteraction()
730 {
731 if (_interaction_disabled_counter == 0) {
732 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
733 }
735 _interaction_disabled_counter++;
736 }
738 void
739 SPDesktopWidget::setCoordinateStatus(NR::Point p)
740 {
741 gchar *cstr;
742 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::X]);
743 gtk_label_set_markup( GTK_LABEL(this->coord_status_x), cstr );
744 g_free(cstr);
746 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::Y]);
747 gtk_label_set_markup( GTK_LABEL(this->coord_status_y), cstr );
748 g_free(cstr);
749 }
751 void
752 SPDesktopWidget::letZoomGrabFocus()
753 {
754 if (zoom_status)
755 gtk_widget_grab_focus (zoom_status);
756 }
758 void
759 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
760 {
761 gboolean vis = GTK_WIDGET_VISIBLE (this);
763 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
765 if (window)
766 {
767 window->get_size (w, h);
768 window->get_position (x, y);
769 }
770 }
772 void
773 SPDesktopWidget::setWindowPosition (NR::Point p)
774 {
775 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
777 if (window)
778 {
779 window->move (gint(round(p[NR::X])), gint(round(p[NR::Y])));
780 }
781 }
783 void
784 SPDesktopWidget::setWindowSize (gint w, gint h)
785 {
786 Gtk::Window *window = (Gtk::Window*)gtk_object_get_data (GTK_OBJECT(this), "window");
788 if (window)
789 {
790 window->set_default_size (w, h);
791 window->reshow_with_initial_size ();
792 }
793 }
795 /**
796 * \note transientizing does not work on windows; when you minimize a document
797 * and then open it back, only its transient emerges and you cannot access
798 * the document window. The document window must be restored by rightclicking
799 * the taskbar button and pressing "Restore"
800 */
801 void
802 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
803 {
804 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
805 if (w)
806 {
807 gtk_window_set_transient_for (GTK_WINDOW(p), w);
809 /*
810 * This enables "aggressive" transientization,
811 * i.e. dialogs always emerging on top when you switch documents. Note
812 * however that this breaks "click to raise" policy of a window
813 * manager because the switched-to document will be raised at once
814 * (so that its transients also could raise)
815 */
816 if (transient_policy == 2)
818 // without this, a transient window not always emerges on top
819 gtk_window_present (w);
820 }
821 }
823 void
824 SPDesktopWidget::presentWindow()
825 {
826 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
827 if (w)
828 gtk_window_present (w);
829 }
831 bool
832 SPDesktopWidget::warnDialog (gchar* text)
833 {
834 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
835 if (w)
836 {
837 GtkWidget *dialog = gtk_message_dialog_new(
838 w,
839 GTK_DIALOG_DESTROY_WITH_PARENT,
840 GTK_MESSAGE_WARNING,
841 GTK_BUTTONS_YES_NO,
842 "%s", text);
843 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
844 gtk_widget_destroy(dialog);
845 if (response == GTK_RESPONSE_YES)
846 return true;
847 }
848 return false;
849 }
851 void
852 sp_desktop_widget_iconify(SPDesktopWidget *dtw)
853 {
854 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
855 if (GTK_IS_WINDOW(topw)) {
856 if (dtw->desktop->is_iconified()) {
857 gtk_window_deiconify(topw);
858 } else {
859 gtk_window_iconify(topw);
860 }
861 }
862 }
864 void
865 sp_desktop_widget_maximize(SPDesktopWidget *dtw)
866 {
867 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
868 if (GTK_IS_WINDOW(topw)) {
869 if (dtw->desktop->is_maximized()) {
870 gtk_window_unmaximize(topw);
871 } else {
872 // Save geometry to prefs before maximizing so that
873 // something useful is stored there, because GTK doesn't maintain
874 // a separate non-maximized size.
875 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_fullscreen())
876 {
877 gint w, h, x, y;
878 dtw->getWindowGeometry(x, y, w, h);
879 prefs_set_int_attribute("desktop.geometry", "width", w);
880 prefs_set_int_attribute("desktop.geometry", "height", h);
881 prefs_set_int_attribute("desktop.geometry", "x", x);
882 prefs_set_int_attribute("desktop.geometry", "y", y);
883 }
884 gtk_window_maximize(topw);
885 }
886 }
887 }
889 void
890 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
891 {
892 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
893 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
894 if (GTK_IS_WINDOW(topw)) {
895 if (dtw->desktop->is_fullscreen()) {
896 gtk_window_unfullscreen(topw);
897 // widget layout is triggered by the resulting window_state_event
898 } else {
899 // Save geometry to prefs before maximizing so that
900 // something useful is stored there, because GTK doesn't maintain
901 // a separate non-maximized size.
902 if (!dtw->desktop->is_iconified() && !dtw->desktop->is_maximized())
903 {
904 gint w, h, x, y;
905 dtw->getWindowGeometry(x, y, w, h);
906 prefs_set_int_attribute("desktop.geometry", "width", w);
907 prefs_set_int_attribute("desktop.geometry", "height", h);
908 prefs_set_int_attribute("desktop.geometry", "x", x);
909 prefs_set_int_attribute("desktop.geometry", "y", y);
910 }
911 gtk_window_fullscreen(topw);
912 // widget layout is triggered by the resulting window_state_event
913 }
914 }
915 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
916 }
918 /**
919 * Hide whatever the user does not want to see in the window
920 */
921 void
922 sp_desktop_widget_layout (SPDesktopWidget *dtw)
923 {
924 bool fullscreen = dtw->desktop->is_fullscreen();
926 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
927 gtk_widget_hide_all (dtw->menubar);
928 } else {
929 gtk_widget_show_all (dtw->menubar);
930 }
932 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
933 gtk_widget_hide_all (dtw->commands_toolbox);
934 } else {
935 gtk_widget_show_all (dtw->commands_toolbox);
936 }
938 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
939 gtk_widget_hide_all (dtw->aux_toolbox);
940 } else {
941 // we cannot just show_all because that will show all tools' panels;
942 // this is a function from toolbox.cpp that shows only the current tool's panel
943 show_aux_toolbox (dtw->aux_toolbox);
944 }
946 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
947 gtk_widget_hide_all (dtw->tool_toolbox);
948 } else {
949 gtk_widget_show_all (dtw->tool_toolbox);
950 }
952 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
953 gtk_widget_hide_all (dtw->statusbar);
954 } else {
955 gtk_widget_show_all (dtw->statusbar);
956 }
958 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
959 gtk_widget_hide_all( dtw->panels );
960 } else {
961 gtk_widget_show_all( dtw->panels );
962 }
964 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
965 gtk_widget_hide_all (dtw->hscrollbar);
966 gtk_widget_hide_all (dtw->vscrollbar_box);
967 } else {
968 gtk_widget_show_all (dtw->hscrollbar);
969 gtk_widget_show_all (dtw->vscrollbar_box);
970 }
972 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
973 gtk_widget_hide_all (dtw->hruler);
974 gtk_widget_hide_all (dtw->vruler);
975 } else {
976 gtk_widget_show_all (dtw->hruler);
977 gtk_widget_show_all (dtw->vruler);
978 }
979 }
981 void
982 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
983 {
984 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
985 if (hb && GTK_IS_WIDGET(hb))
986 {
987 gtk_widget_grab_focus(GTK_WIDGET(hb));
988 }
989 }
991 void
992 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
993 {
994 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
995 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
996 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
997 gtk_adjustment_set_value (a, value);
998 }
999 }
1001 void
1002 SPDesktopWidget::setToolboxSelectOneValue (gchar const *id, int value)
1003 {
1004 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
1005 if (hb) {
1006 ege_select_one_action_set_active((EgeSelectOneAction*) hb, value);
1007 }
1008 }
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 */
1134 bool SPDesktopWidget::onFocusInEvent(GdkEventFocus*)
1135 {
1136 inkscape_activate_desktop (desktop);
1138 /* give focus to canvas widget */
1139 gtk_widget_grab_focus (GTK_WIDGET (canvas));
1141 return false;
1142 }
1144 static gdouble
1145 sp_dtw_zoom_value_to_display (gdouble value)
1146 {
1147 return floor (pow (2, value) * 100.0 + 0.5);
1148 }
1150 static gdouble
1151 sp_dtw_zoom_display_to_value (gdouble value)
1152 {
1153 return log (value / 100.0) / log (2);
1154 }
1156 static gint
1157 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1158 {
1159 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1160 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1161 gdouble new_typed = atof (b);
1163 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1164 *new_val = new_scrolled;
1165 } else { // the new value is typed in
1166 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1167 }
1169 return TRUE;
1170 }
1172 static bool
1173 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1174 {
1175 gchar b[64];
1176 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1177 gtk_entry_set_text (GTK_ENTRY (spin), b);
1178 return TRUE;
1179 }
1181 static void
1182 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1183 {
1184 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1186 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1187 SPDesktop *desktop = dtw->desktop;
1189 NR::Rect const d = desktop->get_display_area();
1190 g_signal_handler_block (spin, dtw->zoom_update);
1191 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1192 g_signal_handler_unblock (spin, dtw->zoom_update);
1194 spinbutton_defocus (GTK_OBJECT (spin));
1195 }
1197 static void
1198 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1199 {
1200 GList *children, *iter;
1201 GtkWidget *item;
1202 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1204 children = gtk_container_get_children (GTK_CONTAINER (menu));
1205 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1206 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1207 }
1208 g_list_free (children);
1210 item = gtk_menu_item_new_with_label ("200%");
1211 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1212 gtk_widget_show (item);
1213 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1214 item = gtk_menu_item_new_with_label ("100%");
1215 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1216 gtk_widget_show (item);
1217 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1218 item = gtk_menu_item_new_with_label ("50%");
1219 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1220 gtk_widget_show (item);
1221 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1223 item = gtk_separator_menu_item_new ();
1224 gtk_widget_show (item);
1225 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1227 item = gtk_menu_item_new_with_label (_("Page"));
1228 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1229 gtk_widget_show (item);
1230 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1231 item = gtk_menu_item_new_with_label (_("Drawing"));
1232 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1233 gtk_widget_show (item);
1234 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1235 item = gtk_menu_item_new_with_label (_("Selection"));
1236 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1237 gtk_widget_show (item);
1238 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1239 }
1241 static void
1242 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1243 {
1244 NR::Rect const d = dt->get_display_area();
1245 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1246 }
1248 static void
1249 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1250 {
1251 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1252 }
1254 static void
1255 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1256 {
1257 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1258 }
1260 static void
1261 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1262 {
1263 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1264 }
1266 static void
1267 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1268 {
1269 static_cast<SPDesktop*>(data)->zoom_page();
1270 }
1272 static void
1273 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1274 {
1275 static_cast<SPDesktop*>(data)->zoom_drawing();
1276 }
1278 static void
1279 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1280 {
1281 static_cast<SPDesktop*>(data)->zoom_selection();
1282 }
1286 void
1287 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1288 {
1289 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1290 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1291 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1292 }
1294 void
1295 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1296 {
1297 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1298 gtk_widget_hide_all (dtw->hruler);
1299 gtk_widget_hide_all (dtw->vruler);
1300 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 0);
1301 } else {
1302 gtk_widget_show_all (dtw->hruler);
1303 gtk_widget_show_all (dtw->vruler);
1304 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.rulers" : "window.rulers", "state", 1);
1305 }
1306 }
1308 void
1309 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1310 {
1311 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1312 gtk_widget_hide_all (dtw->hscrollbar);
1313 gtk_widget_hide_all (dtw->vscrollbar_box);
1314 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1315 } else {
1316 gtk_widget_show_all (dtw->hscrollbar);
1317 gtk_widget_show_all (dtw->vscrollbar_box);
1318 prefs_set_int_attribute (dtw->desktop->is_fullscreen() ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1319 }
1320 }
1322 /* Unused
1323 void
1324 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1325 {
1326 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1327 gtk_widget_hide_all (dtw->menubar);
1328 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1329 } else {
1330 gtk_widget_show_all (dtw->menubar);
1331 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1332 }
1333 }
1334 */
1336 static void
1337 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1338 {
1339 if ((l != adj->lower) ||
1340 (u != adj->upper) ||
1341 (ps != adj->page_size) ||
1342 (si != adj->step_increment) ||
1343 (pi != adj->page_increment)) {
1344 adj->lower = l;
1345 adj->upper = u;
1346 adj->page_size = ps;
1347 adj->step_increment = si;
1348 adj->page_increment = pi;
1349 gtk_adjustment_changed (adj);
1350 }
1351 }
1353 void
1354 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1355 {
1356 if (!dtw) return;
1357 if (dtw->update) return;
1358 dtw->update = 1;
1360 /* The desktop region we always show unconditionally */
1361 SPDocument *doc = dtw->desktop->doc();
1362 NR::Rect darea(NR::Point(-sp_document_width(doc), -sp_document_height(doc)),
1363 NR::Point(2 * sp_document_width(doc), 2 * sp_document_height(doc)));
1364 darea = NR::union_bounds(darea, sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc))));
1366 /* Canvas region we always show unconditionally */
1367 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1368 darea.max()[NR::Y] * -scale - 64),
1369 NR::Point(darea.max()[NR::X] * scale + 64,
1370 darea.min()[NR::Y] * -scale + 64));
1372 NR::Rect viewbox = dtw->canvas->getViewbox();
1374 /* Viewbox is always included into scrollable region */
1375 carea = NR::union_bounds(carea, viewbox);
1377 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1378 viewbox.dimensions()[NR::X],
1379 0.1 * viewbox.dimensions()[NR::X],
1380 viewbox.dimensions()[NR::X]);
1381 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1383 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1384 viewbox.dimensions()[NR::Y],
1385 0.1 * viewbox.dimensions()[NR::Y],
1386 viewbox.dimensions()[NR::Y]);
1387 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1389 dtw->update = 0;
1390 }
1393 /*
1394 Local Variables:
1395 mode:c++
1396 c-file-style:"stroustrup"
1397 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1398 indent-tabs-mode:nil
1399 fill-column:99
1400 End:
1401 */
1402 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :