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);
89 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
90 static void sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw);
92 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
93 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
94 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
95 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
96 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
97 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
98 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
99 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
100 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
101 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
102 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
103 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
104 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
106 SPViewWidgetClass *dtw_parent_class;
108 void
109 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
110 {
111 GtkLabel *sb=GTK_LABEL(this->select_status);
112 gtk_label_set_markup (sb, message ? message : "");
114 // make sure the important messages are displayed immediately!
115 if (type == Inkscape::IMMEDIATE_MESSAGE && GTK_WIDGET_DRAWABLE (GTK_WIDGET(sb))) {
116 gtk_widget_queue_draw(GTK_WIDGET(sb));
117 gdk_window_process_updates(GTK_WIDGET(sb)->window, TRUE);
118 }
120 // FIXME: TODO: remove <b></b> before displaying as tooltip
121 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
122 }
124 NR::Point
125 SPDesktopWidget::window_get_pointer()
126 {
127 gint x,y;
128 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
129 return NR::Point(x,y);
130 }
132 /**
133 * Registers SPDesktopWidget class and returns its type number.
134 */
135 GtkType
136 sp_desktop_widget_get_type (void)
137 {
138 static GtkType type = 0;
139 if (!type) {
140 static const GtkTypeInfo info = {
141 "SPDesktopWidget",
142 sizeof (SPDesktopWidget),
143 sizeof (SPDesktopWidgetClass),
144 (GtkClassInitFunc) sp_desktop_widget_class_init,
145 (GtkObjectInitFunc) sp_desktop_widget_init,
146 NULL, NULL, NULL
147 };
148 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
149 }
150 return type;
151 }
153 /**
154 * SPDesktopWidget vtable initialization
155 */
156 static void
157 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
158 {
159 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
161 GtkObjectClass *object_class = (GtkObjectClass *) klass;
162 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
164 object_class->destroy = sp_desktop_widget_destroy;
166 widget_class->size_allocate = sp_desktop_widget_size_allocate;
167 widget_class->realize = sp_desktop_widget_realize;
168 }
170 /**
171 * Callback for SPDesktopWidget object initialization.
172 */
173 static void
174 sp_desktop_widget_init (SPDesktopWidget *dtw)
175 {
176 GtkWidget *widget;
177 GtkWidget *tbl;
179 GtkWidget *hbox;
180 GtkWidget *eventbox;
181 GtkStyle *style;
183 new (&dtw->modified_connection) sigc::connection();
185 widget = GTK_WIDGET (dtw);
187 dtw->window = 0;
189 dtw->desktop = NULL;
191 dtw->_interaction_disabled_counter = 0;
193 dtw->tt = gtk_tooltips_new ();
195 /* Main table */
196 dtw->vbox = gtk_vbox_new (FALSE, 0);
197 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
199 dtw->statusbar = gtk_hbox_new (FALSE, 0);
200 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
201 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
203 {
204 using Inkscape::UI::Dialogs::SwatchesPanel;
206 SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
207 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
208 dtw->panels = GTK_WIDGET(swatches->gobj());
209 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
210 }
212 hbox = gtk_hbox_new (FALSE, 0);
213 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
214 gtk_widget_show (hbox);
216 dtw->aux_toolbox = sp_aux_toolbox_new ();
217 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
219 dtw->commands_toolbox = sp_commands_toolbox_new ();
220 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
222 dtw->tool_toolbox = sp_tool_toolbox_new ();
223 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
225 tbl = gtk_table_new (4, 3, FALSE);
226 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
228 /* Horizontal ruler */
229 eventbox = gtk_event_box_new ();
230 dtw->hruler = sp_hruler_new ();
231 dtw->hruler_box = eventbox;
232 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
233 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
234 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
235 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
236 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
237 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
238 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
240 /* Vertical ruler */
241 eventbox = gtk_event_box_new ();
242 dtw->vruler = sp_vruler_new ();
243 dtw->vruler_box = eventbox;
244 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
245 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
246 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
247 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
248 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
249 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
250 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
252 /* Horizontal scrollbar */
253 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
254 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
255 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
256 /* Vertical scrollbar and the sticky zoom button */
257 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
258 dtw->sticky_zoom = sp_button_new_from_data ( Inkscape::ICON_SIZE_DECORATION,
259 SP_BUTTON_TYPE_TOGGLE,
260 NULL,
261 "sticky_zoom",
262 _("Zoom drawing if window size changes"),
263 dtw->tt);
264 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
265 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
266 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
267 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
268 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
269 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
271 /* Canvas */
272 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
273 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
274 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
275 style->bg[GTK_STATE_NORMAL] = style->white;
276 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
277 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
278 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
279 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);
281 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
282 GtkHBox *ss_ = dtw->selected_style->gobj();
283 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
284 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
286 // connect scrollbar signals
287 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
288 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
290 GtkWidget *statusbar_tail=gtk_statusbar_new();
291 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
292 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
294 // zoom status spinbutton
295 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);
296 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
297 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
298 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
299 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
300 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
301 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
302 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
303 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
304 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
305 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
306 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
307 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
309 // cursor coordinates
310 dtw->coord_status = gtk_table_new (5, 2, FALSE);
311 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
312 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
313 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
314 eventbox = gtk_event_box_new ();
315 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
316 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
317 GtkWidget *label_x = gtk_label_new("X:");
318 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
319 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
320 GtkWidget *label_y = gtk_label_new("Y:");
321 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
322 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
323 dtw->coord_status_x = gtk_label_new(NULL);
324 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_x), "<tt> 0.00 </tt>" );
325 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 1.0, 0.5);
326 dtw->coord_status_y = gtk_label_new(NULL);
327 gtk_label_set_markup( GTK_LABEL(dtw->coord_status_y), "<tt> 0.00 </tt>" );
328 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 1.0, 0.5);
329 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
330 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
331 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
332 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
333 sp_set_font_size_smaller (dtw->coord_status);
334 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
336 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
337 // FIXME: need to unreference on container destruction to avoid leak
338 dtw->layer_selector->reference();
339 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
340 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
342 dtw->select_status_eventbox = gtk_event_box_new ();
343 dtw->select_status = gtk_label_new (NULL);
344 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
345 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
346 #endif
347 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
348 gtk_widget_set_size_request (dtw->select_status, 1, -1);
349 // display the initial welcome message in the statusbar
350 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."));
351 // space label 2 pixels from left edge
352 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
353 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
354 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
356 gtk_widget_show_all (dtw->vbox);
357 }
359 /**
360 * Called before SPDesktopWidget destruction.
361 */
362 static void
363 sp_desktop_widget_destroy (GtkObject *object)
364 {
365 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
367 if (dtw->desktop) {
368 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
369 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
370 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
371 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
372 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
373 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
375 dtw->layer_selector->unreference();
376 inkscape_remove_desktop (dtw->desktop); // clears selection too
377 dtw->modified_connection.disconnect();
378 dtw->desktop->destroy();
379 Inkscape::GC::release (dtw->desktop);
380 dtw->desktop = NULL;
381 }
383 dtw->modified_connection.~connection();
385 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
386 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
387 }
388 }
391 /**
392 * Set the title in the desktop-window (if desktop has an own window).
393 *
394 * The title has form file name: desktop number - Inkscape.
395 * The desktop number is only shown if it's 2 or higher,
396 */
397 void
398 SPDesktopWidget::updateTitle(gchar const* uri)
399 {
400 GtkWindow *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 gtk_window_set_title (window, 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);
558 if (inkscape_is_sole_desktop_for_document(*desktop)) {
559 SPDocument *doc = desktop->doc();
560 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
561 GtkWidget *dialog;
563 dialog = gtk_message_dialog_new(
564 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
565 GTK_DIALOG_DESTROY_WITH_PARENT,
566 GTK_MESSAGE_WARNING,
567 GTK_BUTTONS_NONE,
568 "Document modified");
570 gchar *markup;
571 /** \todo
572 * FIXME !!! obviously this will have problems if the document
573 * name contains markup characters
574 */
575 markup = g_strdup_printf(
576 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
577 "If you close without saving, your changes will be discarded."),
578 SP_DOCUMENT_NAME(doc));
580 /** \todo
581 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
582 * (and actually even
583 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
584 * until then, we will have to be a little bit evil here and
585 * poke at GtkMessageDialog::label, which is private...
586 */
588 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
589 g_free(markup);
591 GtkWidget *close_button;
592 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
593 gtk_widget_show(close_button);
594 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
596 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
597 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
598 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
600 gint response;
601 response = gtk_dialog_run(GTK_DIALOG(dialog));
602 gtk_widget_destroy(dialog);
604 switch (response) {
605 case GTK_RESPONSE_YES:
606 sp_document_ref(doc);
607 if (sp_file_save_document(doc)) {
608 sp_document_unref(doc);
609 } else { // save dialog cancelled or save failed
610 sp_document_unref(doc);
611 return TRUE;
612 }
613 break;
614 case GTK_RESPONSE_NO:
615 break;
616 default: // cancel pressed, or dialog was closed
617 return TRUE;
618 break;
619 }
620 }
621 /* Code to check data loss */
622 bool allow_data_loss = FALSE;
623 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
624 GtkWidget *dialog;
626 dialog = gtk_message_dialog_new(
627 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
628 GTK_DIALOG_DESTROY_WITH_PARENT,
629 GTK_MESSAGE_WARNING,
630 GTK_BUTTONS_NONE,
631 "Document modified");
633 gchar *markup;
634 /** \todo
635 * FIXME !!! obviously this will have problems if the document
636 * name contains markup characters
637 */
638 markup = g_strdup_printf(
639 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
640 "Do you want to save this file in another format?"),
641 SP_DOCUMENT_NAME(doc),
642 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
644 /** \todo
645 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
646 * (and actually even
647 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
648 * until then, we will have to be a little bit evil here and
649 * poke at GtkMessageDialog::label, which is private...
650 */
652 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
653 g_free(markup);
655 GtkWidget *close_button;
656 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
657 gtk_widget_show(close_button);
658 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
660 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
661 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
662 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
664 gint response;
665 response = gtk_dialog_run(GTK_DIALOG(dialog));
666 gtk_widget_destroy(dialog);
668 switch (response) {
669 case GTK_RESPONSE_YES:
670 sp_document_ref(doc);
671 if (sp_file_save_dialog(doc)) {
672 sp_document_unref(doc);
673 } else { // save dialog cancelled or save failed
674 sp_document_unref(doc);
675 return TRUE;
676 }
677 break;
678 case GTK_RESPONSE_NO:
679 allow_data_loss = TRUE;
680 break;
681 default: // cancel pressed, or dialog was closed
682 return TRUE;
683 break;
684 }
685 }
686 }
688 return FALSE;
689 }
691 /**
692 * \pre this->desktop->main != 0
693 */
694 void
695 SPDesktopWidget::requestCanvasUpdate() {
696 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
697 }
699 void
700 SPDesktopWidget::requestCanvasUpdateAndWait() {
701 requestCanvasUpdate();
703 while (gtk_events_pending())
704 gtk_main_iteration_do(FALSE);
706 }
708 void
709 SPDesktopWidget::enableInteraction()
710 {
711 g_return_if_fail(_interaction_disabled_counter > 0);
713 _interaction_disabled_counter--;
715 if (_interaction_disabled_counter == 0) {
716 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
717 }
718 }
720 void
721 SPDesktopWidget::disableInteraction()
722 {
723 if (_interaction_disabled_counter == 0) {
724 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
725 }
727 _interaction_disabled_counter++;
728 }
730 void
731 SPDesktopWidget::setCoordinateStatus(NR::Point p)
732 {
733 gchar *cstr;
734 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::X]);
735 gtk_label_set_markup( GTK_LABEL(this->coord_status_x), cstr );
736 g_free(cstr);
738 cstr = g_strdup_printf("<tt>%7.2f </tt>", dt2r * p[NR::Y]);
739 gtk_label_set_markup( GTK_LABEL(this->coord_status_y), cstr );
740 g_free(cstr);
741 }
743 void
744 SPDesktopWidget::letZoomGrabFocus()
745 {
746 if (zoom_status)
747 gtk_widget_grab_focus (zoom_status);
748 }
750 void
751 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
752 {
753 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
754 if (window)
755 {
756 gtk_window_get_size (window, &w, &h);
757 gtk_window_get_position (window, &x, &y);
758 }
759 }
761 void
762 SPDesktopWidget::setWindowPosition (NR::Point p)
763 {
764 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
765 if (window)
766 {
767 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
768 }
769 }
771 void
772 SPDesktopWidget::setWindowSize (gint w, gint h)
773 {
774 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
775 if (window)
776 {
777 gtk_window_set_default_size (window, w, h);
778 gtk_window_reshow_with_initial_size (window);
779 }
780 }
782 /**
783 * \note transientizing does not work on windows; when you minimize a document
784 * and then open it back, only its transient emerges and you cannot access
785 * the document window. The document window must be restored by rightclicking
786 * the taskbar button and pressing "Restore"
787 */
788 void
789 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
790 {
791 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
792 if (w)
793 {
794 gtk_window_set_transient_for (GTK_WINDOW(p), w);
796 /*
797 * This enables "aggressive" transientization,
798 * i.e. dialogs always emerging on top when you switch documents. Note
799 * however that this breaks "click to raise" policy of a window
800 * manager because the switched-to document will be raised at once
801 * (so that its transients also could raise)
802 */
803 if (transient_policy == 2)
805 // without this, a transient window not always emerges on top
806 gtk_window_present (w);
807 }
808 }
810 void
811 SPDesktopWidget::presentWindow()
812 {
813 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
814 if (w)
815 gtk_window_present (w);
816 }
818 bool
819 SPDesktopWidget::warnDialog (gchar* text)
820 {
821 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
822 if (w)
823 {
824 GtkWidget *dialog = gtk_message_dialog_new(
825 w,
826 GTK_DIALOG_DESTROY_WITH_PARENT,
827 GTK_MESSAGE_WARNING,
828 GTK_BUTTONS_YES_NO,
829 "%s", text);
830 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
831 gtk_widget_destroy(dialog);
832 if (response == GTK_RESPONSE_YES)
833 return true;
834 }
835 return false;
836 }
838 void
839 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
840 {
841 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
842 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
843 if (GTK_IS_WINDOW(topw)) {
844 if (dtw->desktop->is_fullscreen) {
845 dtw->desktop->is_fullscreen = FALSE;
846 gtk_window_unfullscreen(topw);
847 sp_desktop_widget_layout (dtw);
848 } else {
849 dtw->desktop->is_fullscreen = TRUE;
850 gtk_window_fullscreen(topw);
851 sp_desktop_widget_layout (dtw);
852 }
853 }
854 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
855 }
857 /**
858 * Hide whatever the user does not want to see in the window
859 */
860 void
861 sp_desktop_widget_layout (SPDesktopWidget *dtw)
862 {
863 bool fullscreen = dtw->desktop->is_fullscreen;
865 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
866 gtk_widget_hide_all (dtw->menubar);
867 } else {
868 gtk_widget_show_all (dtw->menubar);
869 }
871 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
872 gtk_widget_hide_all (dtw->commands_toolbox);
873 } else {
874 gtk_widget_show_all (dtw->commands_toolbox);
875 }
877 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
878 gtk_widget_hide_all (dtw->aux_toolbox);
879 } else {
880 // we cannot just show_all because that will show all tools' panels;
881 // this is a function from toolbox.cpp that shows only the current tool's panel
882 show_aux_toolbox (dtw->aux_toolbox);
883 }
885 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
886 gtk_widget_hide_all (dtw->tool_toolbox);
887 } else {
888 gtk_widget_show_all (dtw->tool_toolbox);
889 }
891 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
892 gtk_widget_hide_all (dtw->statusbar);
893 } else {
894 gtk_widget_show_all (dtw->statusbar);
895 }
897 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
898 gtk_widget_hide_all( dtw->panels );
899 } else {
900 gtk_widget_show_all( dtw->panels );
901 }
903 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
904 gtk_widget_hide_all (dtw->hscrollbar);
905 gtk_widget_hide_all (dtw->vscrollbar_box);
906 } else {
907 gtk_widget_show_all (dtw->hscrollbar);
908 gtk_widget_show_all (dtw->vscrollbar_box);
909 }
911 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
912 gtk_widget_hide_all (dtw->hruler);
913 gtk_widget_hide_all (dtw->vruler);
914 } else {
915 gtk_widget_show_all (dtw->hruler);
916 gtk_widget_show_all (dtw->vruler);
917 }
918 }
920 void
921 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
922 {
923 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
924 if (hb && GTK_IS_WIDGET(hb))
925 {
926 gtk_widget_grab_focus(GTK_WIDGET(hb));
927 }
928 }
930 void
931 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
932 {
933 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
934 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
935 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
936 gtk_adjustment_set_value (a, value);
937 }
938 }
940 bool
941 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
942 {
943 bool isActive = false;
944 gpointer thing = sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
945 if ( !thing ) {
946 //g_message( "Unable to locate item for {%s}", id );
947 } else if ( GTK_IS_TOGGLE_BUTTON(thing) ) {
948 GtkToggleButton *b = GTK_TOGGLE_BUTTON(thing);
949 isActive = gtk_toggle_button_get_active( b ) != 0;
950 } else if ( GTK_IS_TOGGLE_ACTION(thing) ) {
951 GtkToggleAction* act = GTK_TOGGLE_ACTION(thing);
952 isActive = gtk_toggle_action_get_active( act ) != 0;
953 } else {
954 //g_message( "Item for {%s} is of an unsupported type", id );
955 }
957 return isActive;
958 }
960 SPViewWidget *
961 sp_desktop_widget_new (SPNamedView *namedview)
962 {
963 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
965 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
967 dtw->ruler_origin = NR::Point(0,0); //namedview->gridorigin; Why was the grid origin used here?
969 dtw->desktop = new SPDesktop();
970 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
971 dtw->desktop->registerEditWidget (dtw->stub);
972 dtw->desktop->init (namedview, dtw->canvas);
973 inkscape_add_desktop (dtw->desktop);
975 // Add the shape geometry to libavoid for autorouting connectors.
976 // This needs desktop set for its spacing preferences.
977 init_avoided_shape_geometry(dtw->desktop);
979 dtw->selected_style->setDesktop(dtw->desktop);
981 /* Once desktop is set, we can update rulers */
982 sp_desktop_widget_update_rulers (dtw);
984 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
986 /* Listen on namedview modification */
987 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
989 dtw->layer_selector->setDesktop(dtw->desktop);
991 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
992 gtk_widget_show_all (dtw->menubar);
993 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
995 sp_desktop_widget_layout (dtw);
997 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
998 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
999 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
1001 return SP_VIEW_WIDGET (dtw);
1002 }
1004 void
1005 SPDesktopWidget::viewSetPosition (NR::Point p)
1006 {
1007 NR::Point const origin = ( p - ruler_origin );
1009 /// \todo fixme:
1010 GTK_RULER(hruler)->position = origin[NR::X];
1011 gtk_ruler_draw_pos (GTK_RULER (hruler));
1012 GTK_RULER(vruler)->position = origin[NR::Y];
1013 gtk_ruler_draw_pos (GTK_RULER (vruler));
1014 }
1016 void
1017 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
1018 {
1019 NR::Rect const viewbox = dtw->canvas->getViewbox();
1020 double const scale = dtw->desktop->current_zoom();
1021 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
1022 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
1023 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
1024 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1025 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1026 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
1027 }
1030 static void
1031 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1032 {
1033 SPNamedView *nv=SP_NAMEDVIEW(obj);
1034 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1035 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1036 dtw->ruler_origin = NR::Point(0,0); //nv->gridorigin; Why was the grid origin used here?
1038 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1039 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1041 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1042 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1044 sp_desktop_widget_update_rulers (dtw);
1045 }
1046 }
1048 static void
1049 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
1050 {
1051 if (dtw->update)
1052 return;
1054 dtw->update = 1;
1056 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1057 sp_desktop_widget_update_rulers (dtw);
1059 dtw->update = 0;
1060 }
1062 /* we make the desktop window with focus active, signal is connected in interface.c */
1064 gint
1065 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1066 {
1067 inkscape_activate_desktop (dtw->desktop);
1069 /* give focus to canvas widget */
1070 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1072 return FALSE;
1073 }
1075 static gdouble
1076 sp_dtw_zoom_value_to_display (gdouble value)
1077 {
1078 return floor (pow (2, value) * 100.0 + 0.5);
1079 }
1081 static gdouble
1082 sp_dtw_zoom_display_to_value (gdouble value)
1083 {
1084 return log (value / 100.0) / log (2);
1085 }
1087 static gint
1088 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1089 {
1090 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1091 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1092 gdouble new_typed = atof (b);
1094 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1095 *new_val = new_scrolled;
1096 } else { // the new value is typed in
1097 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1098 }
1100 return TRUE;
1101 }
1103 static bool
1104 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1105 {
1106 gchar b[64];
1107 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1108 gtk_entry_set_text (GTK_ENTRY (spin), b);
1109 return TRUE;
1110 }
1112 static void
1113 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1114 {
1115 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1117 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1118 SPDesktop *desktop = dtw->desktop;
1120 NR::Rect const d = desktop->get_display_area();
1121 g_signal_handler_block (spin, dtw->zoom_update);
1122 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1123 g_signal_handler_unblock (spin, dtw->zoom_update);
1125 spinbutton_defocus (GTK_OBJECT (spin));
1126 }
1128 static void
1129 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1130 {
1131 GList *children, *iter;
1132 GtkWidget *item;
1133 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1135 children = gtk_container_get_children (GTK_CONTAINER (menu));
1136 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1137 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1138 }
1139 g_list_free (children);
1141 item = gtk_menu_item_new_with_label ("200%");
1142 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1143 gtk_widget_show (item);
1144 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1145 item = gtk_menu_item_new_with_label ("100%");
1146 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1147 gtk_widget_show (item);
1148 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1149 item = gtk_menu_item_new_with_label ("50%");
1150 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1151 gtk_widget_show (item);
1152 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1154 item = gtk_separator_menu_item_new ();
1155 gtk_widget_show (item);
1156 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1158 item = gtk_menu_item_new_with_label (_("Page"));
1159 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1160 gtk_widget_show (item);
1161 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1162 item = gtk_menu_item_new_with_label (_("Drawing"));
1163 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1164 gtk_widget_show (item);
1165 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1166 item = gtk_menu_item_new_with_label (_("Selection"));
1167 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1168 gtk_widget_show (item);
1169 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1170 }
1172 static void
1173 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1174 {
1175 NR::Rect const d = dt->get_display_area();
1176 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1177 }
1179 static void
1180 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1181 {
1182 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1183 }
1185 static void
1186 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1187 {
1188 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1189 }
1191 static void
1192 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1193 {
1194 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1195 }
1197 static void
1198 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1199 {
1200 static_cast<SPDesktop*>(data)->zoom_page();
1201 }
1203 static void
1204 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1205 {
1206 static_cast<SPDesktop*>(data)->zoom_drawing();
1207 }
1209 static void
1210 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1211 {
1212 static_cast<SPDesktop*>(data)->zoom_selection();
1213 }
1217 void
1218 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1219 {
1220 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1221 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1222 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1223 }
1225 void
1226 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1227 {
1228 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1229 gtk_widget_hide_all (dtw->hruler);
1230 gtk_widget_hide_all (dtw->vruler);
1231 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1232 } else {
1233 gtk_widget_show_all (dtw->hruler);
1234 gtk_widget_show_all (dtw->vruler);
1235 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1236 }
1237 }
1239 void
1240 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1241 {
1242 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1243 gtk_widget_hide_all (dtw->hscrollbar);
1244 gtk_widget_hide_all (dtw->vscrollbar_box);
1245 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1246 } else {
1247 gtk_widget_show_all (dtw->hscrollbar);
1248 gtk_widget_show_all (dtw->vscrollbar_box);
1249 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1250 }
1251 }
1253 /* Unused
1254 void
1255 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1256 {
1257 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1258 gtk_widget_hide_all (dtw->menubar);
1259 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1260 } else {
1261 gtk_widget_show_all (dtw->menubar);
1262 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1263 }
1264 }
1265 */
1267 static void
1268 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1269 {
1270 if ((l != adj->lower) ||
1271 (u != adj->upper) ||
1272 (ps != adj->page_size) ||
1273 (si != adj->step_increment) ||
1274 (pi != adj->page_increment)) {
1275 adj->lower = l;
1276 adj->upper = u;
1277 adj->page_size = ps;
1278 adj->step_increment = si;
1279 adj->page_increment = pi;
1280 gtk_adjustment_changed (adj);
1281 }
1282 }
1284 void
1285 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1286 {
1287 if (!dtw) return;
1288 if (dtw->update) return;
1289 dtw->update = 1;
1291 /* The desktop region we always show unconditionally */
1292 SPDocument *doc = dtw->desktop->doc();
1293 NR::Rect darea(NR::Point(-sp_document_width(doc), -sp_document_height(doc)),
1294 NR::Point(2 * sp_document_width(doc), 2 * sp_document_height(doc)));
1295 darea = NR::union_bounds(darea, sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc))));
1297 /* Canvas region we always show unconditionally */
1298 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1299 darea.max()[NR::Y] * -scale - 64),
1300 NR::Point(darea.max()[NR::X] * scale + 64,
1301 darea.min()[NR::Y] * -scale + 64));
1303 NR::Rect viewbox = dtw->canvas->getViewbox();
1305 /* Viewbox is always included into scrollable region */
1306 carea = NR::union_bounds(carea, viewbox);
1308 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1309 viewbox.dimensions()[NR::X],
1310 0.1 * viewbox.dimensions()[NR::X],
1311 viewbox.dimensions()[NR::X]);
1312 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1314 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1315 viewbox.dimensions()[NR::Y],
1316 0.1 * viewbox.dimensions()[NR::Y],
1317 viewbox.dimensions()[NR::Y]);
1318 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1320 dtw->update = 0;
1321 }
1324 /*
1325 Local Variables:
1326 mode:c++
1327 c-file-style:"stroustrup"
1328 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1329 indent-tabs-mode:nil
1330 fill-column:99
1331 End:
1332 */
1333 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :