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("0.0");
324 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
325 dtw->coord_status_y = gtk_label_new("0.0");
326 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
327 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
328 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
329 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
330 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
331 sp_set_font_size_smaller (dtw->coord_status);
332 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
334 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
335 // FIXME: need to unreference on container destruction to avoid leak
336 dtw->layer_selector->reference();
337 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
338 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
340 dtw->select_status_eventbox = gtk_event_box_new ();
341 dtw->select_status = gtk_label_new (NULL);
342 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
343 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
344 #endif
345 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
346 gtk_widget_set_size_request (dtw->select_status, 1, -1);
347 // display the initial welcome message in the statusbar
348 gtk_label_set_markup (GTK_LABEL (dtw->select_status), _("<b>Welcome to Inkscape!</b> Use shape or freehand tools to create objects; use selector (arrow) to move or transform them."));
349 // space label 2 pixels from left edge
350 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
351 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
352 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
354 gtk_widget_show_all (dtw->vbox);
355 }
357 /**
358 * Called before SPDesktopWidget destruction.
359 */
360 static void
361 sp_desktop_widget_destroy (GtkObject *object)
362 {
363 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
365 if (dtw->desktop) {
366 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
367 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
368 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
369 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
370 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
371 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
373 dtw->layer_selector->unreference();
374 inkscape_remove_desktop (dtw->desktop); // clears selection too
375 dtw->modified_connection.disconnect();
376 dtw->desktop->destroy();
377 Inkscape::GC::release (dtw->desktop);
378 dtw->desktop = NULL;
379 }
381 dtw->modified_connection.~connection();
383 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
384 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
385 }
386 }
389 /**
390 * Set the title in the desktop-window (if desktop has an own window).
391 *
392 * The title has form file name: desktop number - Inkscape.
393 * The desktop number is only shown if it's 2 or higher,
394 */
395 void
396 SPDesktopWidget::updateTitle(gchar const* uri)
397 {
398 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
399 if (window) {
400 gchar const *fname = ( TRUE
401 ? uri
402 : g_basename(uri) );
403 GString *name = g_string_new ("");
404 if (this->desktop->number > 1) {
405 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
406 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
407 } else {
408 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
409 }
410 } else {
411 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
412 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
413 } else {
414 g_string_printf (name, _("%s - Inkscape"), fname);
415 }
416 }
417 gtk_window_set_title (window, name->str);
418 g_string_free (name, TRUE);
419 }
420 }
422 /**
423 * Callback to allocate space for desktop widget.
424 */
425 static void
426 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
427 {
428 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
430 if ((allocation->x == widget->allocation.x) &&
431 (allocation->y == widget->allocation.y) &&
432 (allocation->width == widget->allocation.width) &&
433 (allocation->height == widget->allocation.height)) {
434 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
435 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
436 return;
437 }
439 if (GTK_WIDGET_REALIZED (widget)) {
440 NR::Rect const area = dtw->desktop->get_display_area();
441 double zoom = dtw->desktop->current_zoom();
443 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
444 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
445 }
447 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
448 /* Calculate zoom per pixel */
449 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
450 /* Find new visible area */
451 NR::Rect newarea = dtw->desktop->get_display_area();
452 /* Calculate adjusted zoom */
453 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
454 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
455 } else {
456 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
457 }
459 } else {
460 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
461 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
462 }
463 // this->size_allocate (widget, allocation);
464 }
465 }
467 /**
468 * Callback to realize desktop widget.
469 */
470 static void
471 sp_desktop_widget_realize (GtkWidget *widget)
472 {
474 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
476 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
477 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
479 NRRect d;
480 d.x0 = 0.0;
481 d.y0 = 0.0;
482 d.x1 = sp_document_width (dtw->desktop->doc());
483 d.y1 = sp_document_height (dtw->desktop->doc());
485 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
487 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
489 /* Listen on namedview modification */
490 // originally (prior to the sigc++ conversion) the signal was simply
491 // connected twice rather than disconnecting the first connection
492 dtw->modified_connection.disconnect();
493 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
494 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
496 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
497 }
499 /**
500 * Callback to handle desktop widget event.
501 */
502 static gint
503 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
504 {
505 if (event->type == GDK_BUTTON_PRESS) {
506 // defocus any spinbuttons
507 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
508 }
510 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
511 if (event->button.state & GDK_SHIFT_MASK) {
512 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
513 } else {
514 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
515 }
516 }
518 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
519 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
520 } else {
521 // The keypress events need to be passed to desktop handler explicitly,
522 // because otherwise the event contexts only receive keypresses when the mouse cursor
523 // is over the canvas. This redirection is only done for keypresses and only if there's no
524 // current item on the canvas, because item events and all mouse events are caught
525 // and passed on by the canvas acetate (I think). --bb
526 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
527 return sp_desktop_root_handler (NULL, event, dtw->desktop);
528 }
529 }
531 return FALSE;
532 }
534 void
535 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
536 {
537 /* update active desktop indicator */
538 }
540 void
541 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
542 {
543 /* update inactive desktop indicator */
544 }
546 /**
547 * Shuts down the desktop object for the view being closed. It checks
548 * to see if the document has been edited, and if so prompts the user
549 * to save, discard, or cancel. Returns TRUE if the shutdown operation
550 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
551 */
552 bool
553 SPDesktopWidget::shutdown()
554 {
555 g_assert(desktop != NULL);
556 if (inkscape_is_sole_desktop_for_document(*desktop)) {
557 SPDocument *doc = desktop->doc();
558 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
559 GtkWidget *dialog;
561 dialog = gtk_message_dialog_new(
562 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
563 GTK_DIALOG_DESTROY_WITH_PARENT,
564 GTK_MESSAGE_WARNING,
565 GTK_BUTTONS_NONE,
566 "Document modified");
568 gchar *markup;
569 /** \todo
570 * FIXME !!! obviously this will have problems if the document
571 * name contains markup characters
572 */
573 markup = g_strdup_printf(
574 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
575 "If you close without saving, your changes will be discarded."),
576 SP_DOCUMENT_NAME(doc));
578 /** \todo
579 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
580 * (and actually even
581 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
582 * until then, we will have to be a little bit evil here and
583 * poke at GtkMessageDialog::label, which is private...
584 */
586 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
587 g_free(markup);
589 GtkWidget *close_button;
590 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
591 gtk_widget_show(close_button);
592 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
594 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
595 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
596 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
598 gint response;
599 response = gtk_dialog_run(GTK_DIALOG(dialog));
600 gtk_widget_destroy(dialog);
602 switch (response) {
603 case GTK_RESPONSE_YES:
604 sp_document_ref(doc);
605 if (sp_file_save_document(doc)) {
606 sp_document_unref(doc);
607 } else { // save dialog cancelled or save failed
608 sp_document_unref(doc);
609 return TRUE;
610 }
611 break;
612 case GTK_RESPONSE_NO:
613 break;
614 default: // cancel pressed, or dialog was closed
615 return TRUE;
616 break;
617 }
618 }
619 /* Code to check data loss */
620 bool allow_data_loss = FALSE;
621 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
622 GtkWidget *dialog;
624 dialog = gtk_message_dialog_new(
625 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
626 GTK_DIALOG_DESTROY_WITH_PARENT,
627 GTK_MESSAGE_WARNING,
628 GTK_BUTTONS_NONE,
629 "Document modified");
631 gchar *markup;
632 /** \todo
633 * FIXME !!! obviously this will have problems if the document
634 * name contains markup characters
635 */
636 markup = g_strdup_printf(
637 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
638 "Do you want to save this file in another format?"),
639 SP_DOCUMENT_NAME(doc),
640 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
642 /** \todo
643 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
644 * (and actually even
645 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
646 * until then, we will have to be a little bit evil here and
647 * poke at GtkMessageDialog::label, which is private...
648 */
650 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
651 g_free(markup);
653 GtkWidget *close_button;
654 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
655 gtk_widget_show(close_button);
656 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
658 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
659 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
660 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
662 gint response;
663 response = gtk_dialog_run(GTK_DIALOG(dialog));
664 gtk_widget_destroy(dialog);
666 switch (response) {
667 case GTK_RESPONSE_YES:
668 sp_document_ref(doc);
669 if (sp_file_save_dialog(doc)) {
670 sp_document_unref(doc);
671 } else { // save dialog cancelled or save failed
672 sp_document_unref(doc);
673 return TRUE;
674 }
675 break;
676 case GTK_RESPONSE_NO:
677 allow_data_loss = TRUE;
678 break;
679 default: // cancel pressed, or dialog was closed
680 return TRUE;
681 break;
682 }
683 }
684 }
686 return FALSE;
687 }
689 /**
690 * \pre this->desktop->main != 0
691 */
692 void
693 SPDesktopWidget::requestCanvasUpdate() {
694 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
695 }
697 void
698 SPDesktopWidget::requestCanvasUpdateAndWait() {
699 requestCanvasUpdate();
701 while (gtk_events_pending())
702 gtk_main_iteration_do(FALSE);
704 }
706 void
707 SPDesktopWidget::enableInteraction()
708 {
709 g_return_if_fail(_interaction_disabled_counter > 0);
711 _interaction_disabled_counter--;
713 if (_interaction_disabled_counter == 0) {
714 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
715 }
716 }
718 void
719 SPDesktopWidget::disableInteraction()
720 {
721 if (_interaction_disabled_counter == 0) {
722 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
723 }
725 _interaction_disabled_counter++;
726 }
728 void
729 SPDesktopWidget::setCoordinateStatus(NR::Point p)
730 {
731 gchar *cstr;
732 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
733 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
734 g_free(cstr);
735 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
736 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
737 g_free(cstr);
738 }
740 void
741 SPDesktopWidget::letZoomGrabFocus()
742 {
743 if (zoom_status)
744 gtk_widget_grab_focus (zoom_status);
745 }
747 void
748 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
749 {
750 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
751 if (window)
752 {
753 gtk_window_get_size (window, &w, &h);
754 gtk_window_get_position (window, &x, &y);
755 }
756 }
758 void
759 SPDesktopWidget::setWindowPosition (NR::Point p)
760 {
761 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
762 if (window)
763 {
764 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
765 }
766 }
768 void
769 SPDesktopWidget::setWindowSize (gint w, gint h)
770 {
771 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
772 if (window)
773 {
774 gtk_window_set_default_size (window, w, h);
775 gtk_window_reshow_with_initial_size (window);
776 }
777 }
779 /**
780 * \note transientizing does not work on windows; when you minimize a document
781 * and then open it back, only its transient emerges and you cannot access
782 * the document window. The document window must be restored by rightclicking
783 * the taskbar button and pressing "Restore"
784 */
785 void
786 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
787 {
788 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
789 if (w)
790 {
791 gtk_window_set_transient_for (GTK_WINDOW(p), w);
793 /*
794 * This enables "aggressive" transientization,
795 * i.e. dialogs always emerging on top when you switch documents. Note
796 * however that this breaks "click to raise" policy of a window
797 * manager because the switched-to document will be raised at once
798 * (so that its transients also could raise)
799 */
800 if (transient_policy == 2)
802 // without this, a transient window not always emerges on top
803 gtk_window_present (w);
804 }
805 }
807 void
808 SPDesktopWidget::presentWindow()
809 {
810 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
811 if (w)
812 gtk_window_present (w);
813 }
815 bool
816 SPDesktopWidget::warnDialog (gchar* text)
817 {
818 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
819 if (w)
820 {
821 GtkWidget *dialog = gtk_message_dialog_new(
822 w,
823 GTK_DIALOG_DESTROY_WITH_PARENT,
824 GTK_MESSAGE_WARNING,
825 GTK_BUTTONS_YES_NO,
826 text);
827 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
828 gtk_widget_destroy(dialog);
829 if (response == GTK_RESPONSE_YES)
830 return true;
831 }
832 return false;
833 }
835 void
836 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
837 {
838 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
839 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
840 if (GTK_IS_WINDOW(topw)) {
841 if (dtw->desktop->is_fullscreen) {
842 dtw->desktop->is_fullscreen = FALSE;
843 gtk_window_unfullscreen(topw);
844 sp_desktop_widget_layout (dtw);
845 } else {
846 dtw->desktop->is_fullscreen = TRUE;
847 gtk_window_fullscreen(topw);
848 sp_desktop_widget_layout (dtw);
849 }
850 }
851 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
852 }
854 /**
855 * Hide whatever the user does not want to see in the window
856 */
857 void
858 sp_desktop_widget_layout (SPDesktopWidget *dtw)
859 {
860 bool fullscreen = dtw->desktop->is_fullscreen;
862 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
863 gtk_widget_hide_all (dtw->menubar);
864 } else {
865 gtk_widget_show_all (dtw->menubar);
866 }
868 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
869 gtk_widget_hide_all (dtw->commands_toolbox);
870 } else {
871 gtk_widget_show_all (dtw->commands_toolbox);
872 }
874 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
875 gtk_widget_hide_all (dtw->aux_toolbox);
876 } else {
877 // we cannot just show_all because that will show all tools' panels;
878 // this is a function from toolbox.cpp that shows only the current tool's panel
879 show_aux_toolbox (dtw->aux_toolbox);
880 }
882 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
883 gtk_widget_hide_all (dtw->tool_toolbox);
884 } else {
885 gtk_widget_show_all (dtw->tool_toolbox);
886 }
888 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
889 gtk_widget_hide_all (dtw->statusbar);
890 } else {
891 gtk_widget_show_all (dtw->statusbar);
892 }
894 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
895 gtk_widget_hide_all( dtw->panels );
896 } else {
897 gtk_widget_show_all( dtw->panels );
898 }
900 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
901 gtk_widget_hide_all (dtw->hscrollbar);
902 gtk_widget_hide_all (dtw->vscrollbar_box);
903 } else {
904 gtk_widget_show_all (dtw->hscrollbar);
905 gtk_widget_show_all (dtw->vscrollbar_box);
906 }
908 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
909 gtk_widget_hide_all (dtw->hruler);
910 gtk_widget_hide_all (dtw->vruler);
911 } else {
912 gtk_widget_show_all (dtw->hruler);
913 gtk_widget_show_all (dtw->vruler);
914 }
915 }
917 void
918 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
919 {
920 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
921 if (hb && GTK_IS_WIDGET(hb))
922 {
923 gtk_widget_grab_focus(GTK_WIDGET(hb));
924 }
925 }
927 void
928 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
929 {
930 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
931 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
932 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
933 gtk_adjustment_set_value (a, value);
934 }
935 }
937 bool
938 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
939 {
940 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
942 return gtk_toggle_button_get_active (b) != 0;
943 }
945 SPViewWidget *
946 sp_desktop_widget_new (SPNamedView *namedview)
947 {
948 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
950 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
951 dtw->ruler_origin = namedview->gridorigin;
953 dtw->desktop = new SPDesktop();
954 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
955 dtw->desktop->registerEditWidget (dtw->stub);
956 dtw->desktop->init (namedview, dtw->canvas);
957 inkscape_add_desktop (dtw->desktop);
959 // Add the shape geometry to libavoid for autorouting connectors.
960 // This needs desktop set for its spacing preferences.
961 init_avoided_shape_geometry(dtw->desktop);
963 dtw->selected_style->setDesktop(dtw->desktop);
965 /* Once desktop is set, we can update rulers */
966 sp_desktop_widget_update_rulers (dtw);
968 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
970 /* Listen on namedview modification */
971 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
973 dtw->layer_selector->setDesktop(dtw->desktop);
975 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
976 gtk_widget_show_all (dtw->menubar);
977 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
979 sp_desktop_widget_layout (dtw);
981 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
982 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
983 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
985 return SP_VIEW_WIDGET (dtw);
986 }
988 void
989 SPDesktopWidget::viewSetPosition (NR::Point p)
990 {
991 NR::Point const origin = ( p - ruler_origin );
993 /// \todo fixme:
994 GTK_RULER(hruler)->position = origin[NR::X];
995 gtk_ruler_draw_pos (GTK_RULER (hruler));
996 GTK_RULER(vruler)->position = origin[NR::Y];
997 gtk_ruler_draw_pos (GTK_RULER (vruler));
998 }
1000 void
1001 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
1002 {
1003 NR::Rect const viewbox = dtw->canvas->getViewbox();
1004 double const scale = dtw->desktop->current_zoom();
1005 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
1006 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
1007 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
1008 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1009 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1010 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
1011 }
1014 static void
1015 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1016 {
1017 SPNamedView *nv=SP_NAMEDVIEW(obj);
1018 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1019 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1020 dtw->ruler_origin = nv->gridorigin;
1022 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1023 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1025 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1026 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1028 sp_desktop_widget_update_rulers (dtw);
1029 }
1030 }
1032 static void
1033 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
1034 {
1035 if (dtw->update)
1036 return;
1038 dtw->update = 1;
1040 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1041 sp_desktop_widget_update_rulers (dtw);
1043 dtw->update = 0;
1044 }
1046 /* we make the desktop window with focus active, signal is connected in interface.c */
1048 gint
1049 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1050 {
1051 inkscape_activate_desktop (dtw->desktop);
1053 /* give focus to canvas widget */
1054 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1056 return FALSE;
1057 }
1059 static gdouble
1060 sp_dtw_zoom_value_to_display (gdouble value)
1061 {
1062 return floor (pow (2, value) * 100.0 + 0.5);
1063 }
1065 static gdouble
1066 sp_dtw_zoom_display_to_value (gdouble value)
1067 {
1068 return log (value / 100.0) / log (2);
1069 }
1071 static gint
1072 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1073 {
1074 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1075 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1076 gdouble new_typed = atof (b);
1078 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1079 *new_val = new_scrolled;
1080 } else { // the new value is typed in
1081 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1082 }
1084 return TRUE;
1085 }
1087 static bool
1088 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1089 {
1090 gchar b[64];
1091 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1092 gtk_entry_set_text (GTK_ENTRY (spin), b);
1093 return TRUE;
1094 }
1096 static void
1097 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1098 {
1099 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1101 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1102 SPDesktop *desktop = dtw->desktop;
1104 NR::Rect const d = desktop->get_display_area();
1105 g_signal_handler_block (spin, dtw->zoom_update);
1106 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1107 g_signal_handler_unblock (spin, dtw->zoom_update);
1109 spinbutton_defocus (GTK_OBJECT (spin));
1110 }
1112 static void
1113 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1114 {
1115 GList *children, *iter;
1116 GtkWidget *item;
1117 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1119 children = gtk_container_get_children (GTK_CONTAINER (menu));
1120 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1121 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1122 }
1123 g_list_free (children);
1125 item = gtk_menu_item_new_with_label ("200%");
1126 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1127 gtk_widget_show (item);
1128 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1129 item = gtk_menu_item_new_with_label ("100%");
1130 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1131 gtk_widget_show (item);
1132 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1133 item = gtk_menu_item_new_with_label ("50%");
1134 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1135 gtk_widget_show (item);
1136 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1138 item = gtk_separator_menu_item_new ();
1139 gtk_widget_show (item);
1140 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1142 item = gtk_menu_item_new_with_label (_("Page"));
1143 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1144 gtk_widget_show (item);
1145 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1146 item = gtk_menu_item_new_with_label (_("Drawing"));
1147 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1148 gtk_widget_show (item);
1149 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1150 item = gtk_menu_item_new_with_label (_("Selection"));
1151 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1152 gtk_widget_show (item);
1153 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1154 }
1156 static void
1157 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1158 {
1159 NR::Rect const d = dt->get_display_area();
1160 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1161 }
1163 static void
1164 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1165 {
1166 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1167 }
1169 static void
1170 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1171 {
1172 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1173 }
1175 static void
1176 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1177 {
1178 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1179 }
1181 static void
1182 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1183 {
1184 static_cast<SPDesktop*>(data)->zoom_page();
1185 }
1187 static void
1188 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1189 {
1190 static_cast<SPDesktop*>(data)->zoom_drawing();
1191 }
1193 static void
1194 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1195 {
1196 static_cast<SPDesktop*>(data)->zoom_selection();
1197 }
1201 void
1202 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1203 {
1204 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1205 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1206 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1207 }
1209 void
1210 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1211 {
1212 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1213 gtk_widget_hide_all (dtw->hruler);
1214 gtk_widget_hide_all (dtw->vruler);
1215 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1216 } else {
1217 gtk_widget_show_all (dtw->hruler);
1218 gtk_widget_show_all (dtw->vruler);
1219 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1220 }
1221 }
1223 void
1224 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1225 {
1226 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1227 gtk_widget_hide_all (dtw->hscrollbar);
1228 gtk_widget_hide_all (dtw->vscrollbar_box);
1229 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1230 } else {
1231 gtk_widget_show_all (dtw->hscrollbar);
1232 gtk_widget_show_all (dtw->vscrollbar_box);
1233 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1234 }
1235 }
1237 /* Unused
1238 void
1239 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1240 {
1241 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1242 gtk_widget_hide_all (dtw->menubar);
1243 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1244 } else {
1245 gtk_widget_show_all (dtw->menubar);
1246 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1247 }
1248 }
1249 */
1251 static void
1252 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1253 {
1254 if ((l != adj->lower) ||
1255 (u != adj->upper) ||
1256 (ps != adj->page_size) ||
1257 (si != adj->step_increment) ||
1258 (pi != adj->page_increment)) {
1259 adj->lower = l;
1260 adj->upper = u;
1261 adj->page_size = ps;
1262 adj->step_increment = si;
1263 adj->page_increment = pi;
1264 gtk_adjustment_changed (adj);
1265 }
1266 }
1268 void
1269 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1270 {
1271 if (!dtw) return;
1272 if (dtw->update) return;
1273 dtw->update = 1;
1275 /* The desktop region we always show unconditionally */
1276 SPDocument *doc = dtw->desktop->doc();
1277 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1278 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1279 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1280 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1281 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1283 /* Canvas region we always show unconditionally */
1284 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1285 darea.max()[NR::Y] * -scale - 64),
1286 NR::Point(darea.max()[NR::X] * scale + 64,
1287 darea.min()[NR::Y] * -scale + 64));
1289 NR::Rect viewbox = dtw->canvas->getViewbox();
1291 /* Viewbox is always included into scrollable region */
1292 carea = NR::union_bounds(carea, viewbox);
1294 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1295 viewbox.dimensions()[NR::X],
1296 0.1 * viewbox.dimensions()[NR::X],
1297 viewbox.dimensions()[NR::X]);
1298 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1300 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1301 viewbox.dimensions()[NR::Y],
1302 0.1 * viewbox.dimensions()[NR::Y],
1303 viewbox.dimensions()[NR::Y]);
1304 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1306 dtw->update = 0;
1307 }
1310 /*
1311 Local Variables:
1312 mode:c++
1313 c-file-style:"stroustrup"
1314 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1315 indent-tabs-mode:nil
1316 fill-column:99
1317 End:
1318 */
1319 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :