93b579adfcb7f0198858ae1fe1117b0940e8c5da
1 #define __SP_DESKTOP_WIDGET_C__
3 /** \file
4 * Desktop widget implementation
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * MenTaLguY <mental@rydia.net>
9 * bulia byak <buliabyak@users.sf.net>
10 * Ralf Stephan <ralf@ark.in-berlin.de>
11 * John Bintz <jcoswell@coswellproductions.org>
12 * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
13 *
14 * Copyright (C) 2007 Johan Engelen
15 * Copyright (C) 2006 John Bintz
16 * Copyright (C) 2004 MenTaLguY
17 * Copyright (C) 1999-2002 Lauris Kaplinski
18 * Copyright (C) 2000-2001 Ximian, Inc.
19 *
20 * Released under GNU GPL, read the file 'COPYING' for more information
21 */
23 #ifdef HAVE_CONFIG_H
24 # include "config.h"
25 #endif
27 #include <gtkmm/paned.h>
28 #include <gtk/gtk.h>
30 #include "macros.h"
31 #include "inkscape-private.h"
32 #include "desktop-handles.h"
33 #include "desktop-events.h"
34 #include "document.h"
35 #include "desktop-widget.h"
36 #include "sp-namedview.h"
37 #include "interface.h"
38 #include "toolbox.h"
39 #include "prefs-utils.h"
40 #include "file.h"
41 #include "display/canvas-arena.h"
42 #include "display/nr-arena.h"
43 #include <extension/db.h>
44 #include "helper/units.h"
45 #include "widgets/button.h"
46 #include "widgets/ruler.h"
47 #include "widgets/widget-sizes.h"
48 #include "widgets/spw-utilities.h"
49 #include "widgets/spinbutton-events.h"
50 #include "widgets/layer-selector.h"
51 #include "ui/widget/selected-style.h"
52 #include "sp-item.h"
53 #include "dialogs/swatches.h"
54 #include "conn-avoid-ref.h"
55 #include "round.h"
56 using Inkscape::round;
58 #ifdef WITH_INKBOARD
59 #endif
63 enum {
64 ACTIVATE,
65 DEACTIVATE,
66 MODIFIED,
67 EVENT_CONTEXT_CHANGED,
68 LAST_SIGNAL
69 };
72 //---------------------------------------------------------------------
73 /* SPDesktopWidget */
75 static void sp_desktop_widget_class_init (SPDesktopWidgetClass *klass);
76 static void sp_desktop_widget_init (SPDesktopWidget *widget);
77 static void sp_desktop_widget_destroy (GtkObject *object);
79 static void sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation);
80 static void sp_desktop_widget_realize (GtkWidget *widget);
82 static gint sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw);
86 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
87 static void sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw);
89 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
90 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
91 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
92 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
93 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
94 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
95 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
96 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
97 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
98 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
99 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
100 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
101 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
103 SPViewWidgetClass *dtw_parent_class;
105 void
106 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
107 {
108 GtkLabel *sb=GTK_LABEL(this->select_status);
109 gtk_label_set_markup (sb, message ? message : "");
111 // make sure the important messages are displayed immediately!
112 if (type == Inkscape::IMMEDIATE_MESSAGE && GTK_WIDGET_DRAWABLE (GTK_WIDGET(sb))) {
113 gtk_widget_queue_draw(GTK_WIDGET(sb));
114 gdk_window_process_updates(GTK_WIDGET(sb)->window, TRUE);
115 }
117 // FIXME: TODO: remove <b></b> before displaying as tooltip
118 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
119 }
121 NR::Point
122 SPDesktopWidget::window_get_pointer()
123 {
124 gint x,y;
125 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
126 return NR::Point(x,y);
127 }
129 /**
130 * Registers SPDesktopWidget class and returns its type number.
131 */
132 GtkType
133 sp_desktop_widget_get_type (void)
134 {
135 static GtkType type = 0;
136 if (!type) {
137 static const GtkTypeInfo info = {
138 "SPDesktopWidget",
139 sizeof (SPDesktopWidget),
140 sizeof (SPDesktopWidgetClass),
141 (GtkClassInitFunc) sp_desktop_widget_class_init,
142 (GtkObjectInitFunc) sp_desktop_widget_init,
143 NULL, NULL, NULL
144 };
145 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
146 }
147 return type;
148 }
150 /**
151 * SPDesktopWidget vtable initialization
152 */
153 static void
154 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
155 {
156 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
158 GtkObjectClass *object_class = (GtkObjectClass *) klass;
159 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
161 object_class->destroy = sp_desktop_widget_destroy;
163 widget_class->size_allocate = sp_desktop_widget_size_allocate;
164 widget_class->realize = sp_desktop_widget_realize;
165 }
167 /**
168 * Callback for SPDesktopWidget object initialization.
169 */
170 static void
171 sp_desktop_widget_init (SPDesktopWidget *dtw)
172 {
173 GtkWidget *widget;
174 GtkWidget *tbl;
176 GtkWidget *hbox;
177 GtkWidget *eventbox;
178 GtkStyle *style;
180 new (&dtw->modified_connection) sigc::connection();
182 widget = GTK_WIDGET (dtw);
184 dtw->window = 0;
186 dtw->desktop = NULL;
188 dtw->_interaction_disabled_counter = 0;
190 dtw->tt = gtk_tooltips_new ();
192 /* Main table */
193 dtw->vbox = gtk_vbox_new (FALSE, 0);
194 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
196 dtw->statusbar = gtk_hbox_new (FALSE, 0);
197 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
198 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
200 {
201 using Inkscape::UI::Dialogs::SwatchesPanel;
203 SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
204 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
205 dtw->panels = GTK_WIDGET(swatches->gobj());
206 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
207 }
209 hbox = gtk_hbox_new (FALSE, 0);
210 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
211 gtk_widget_show (hbox);
213 dtw->aux_toolbox = sp_aux_toolbox_new ();
214 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
216 dtw->commands_toolbox = sp_commands_toolbox_new ();
217 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
219 dtw->tool_toolbox = sp_tool_toolbox_new ();
220 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
222 tbl = gtk_table_new (4, 3, FALSE);
223 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
225 /* Horizontal ruler */
226 eventbox = gtk_event_box_new ();
227 dtw->hruler = sp_hruler_new ();
228 dtw->hruler_box = eventbox;
229 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
230 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
231 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
232 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
233 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
234 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
235 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
237 /* Vertical ruler */
238 eventbox = gtk_event_box_new ();
239 dtw->vruler = sp_vruler_new ();
240 dtw->vruler_box = eventbox;
241 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
242 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
243 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
244 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
245 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
246 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
247 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
249 /* Horizontal scrollbar */
250 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
251 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
252 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
253 /* Vertical scrollbar and the sticky zoom button */
254 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
255 dtw->sticky_zoom = sp_button_new_from_data ( Inkscape::ICON_SIZE_DECORATION,
256 SP_BUTTON_TYPE_TOGGLE,
257 NULL,
258 "sticky_zoom",
259 _("Zoom drawing if window size changes"),
260 dtw->tt);
261 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
262 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
263 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
264 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
265 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
266 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
268 /* Canvas */
269 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
270 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
271 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
272 style->bg[GTK_STATE_NORMAL] = style->white;
273 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
274 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
275 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
276 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);
278 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
279 GtkHBox *ss_ = dtw->selected_style->gobj();
280 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
281 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
283 // connect scrollbar signals
284 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
285 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
287 GtkWidget *statusbar_tail=gtk_statusbar_new();
288 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
289 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
291 // zoom status spinbutton
292 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);
293 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
294 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
295 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
296 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
297 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
298 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
299 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
300 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
301 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
302 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
303 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
304 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
306 // cursor coordinates
307 dtw->coord_status = gtk_table_new (5, 2, FALSE);
308 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
309 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
310 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
311 eventbox = gtk_event_box_new ();
312 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
313 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
314 GtkWidget *label_x = gtk_label_new("X:");
315 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
316 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
317 GtkWidget *label_y = gtk_label_new("Y:");
318 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
319 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
320 dtw->coord_status_x = gtk_label_new("0.0");
321 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
322 dtw->coord_status_y = gtk_label_new("0.0");
323 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
324 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
325 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
326 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
327 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
328 sp_set_font_size_smaller (dtw->coord_status);
329 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
331 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
332 // FIXME: need to unreference on container destruction to avoid leak
333 dtw->layer_selector->reference();
334 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
335 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
337 dtw->select_status_eventbox = gtk_event_box_new ();
338 dtw->select_status = gtk_label_new (NULL);
339 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
340 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
341 #endif
342 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
343 gtk_widget_set_size_request (dtw->select_status, 1, -1);
344 // display the initial welcome message in the statusbar
345 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."));
346 // space label 2 pixels from left edge
347 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
348 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
349 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
351 gtk_widget_show_all (dtw->vbox);
352 }
354 /**
355 * Called before SPDesktopWidget destruction.
356 */
357 static void
358 sp_desktop_widget_destroy (GtkObject *object)
359 {
360 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
362 if (dtw->desktop) {
363 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
364 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
365 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
366 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
367 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
368 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
370 dtw->layer_selector->unreference();
371 inkscape_remove_desktop (dtw->desktop); // clears selection too
372 dtw->modified_connection.disconnect();
373 dtw->desktop->destroy();
374 Inkscape::GC::release (dtw->desktop);
375 dtw->desktop = NULL;
376 }
378 dtw->modified_connection.~connection();
380 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
381 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
382 }
383 }
386 /**
387 * Set the title in the desktop-window (if desktop has an own window).
388 *
389 * The title has form file name: desktop number - Inkscape.
390 * The desktop number is only shown if it's 2 or higher,
391 */
392 void
393 SPDesktopWidget::updateTitle(gchar const* uri)
394 {
395 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
396 if (window) {
397 gchar const *fname = ( TRUE
398 ? uri
399 : g_basename(uri) );
400 GString *name = g_string_new ("");
401 if (this->desktop->number > 1) {
402 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
403 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
404 } else {
405 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
406 }
407 } else {
408 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
409 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
410 } else {
411 g_string_printf (name, _("%s - Inkscape"), fname);
412 }
413 }
414 gtk_window_set_title (window, name->str);
415 g_string_free (name, TRUE);
416 }
417 }
419 /**
420 * Callback to allocate space for desktop widget.
421 */
422 static void
423 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
424 {
425 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
427 if ((allocation->x == widget->allocation.x) &&
428 (allocation->y == widget->allocation.y) &&
429 (allocation->width == widget->allocation.width) &&
430 (allocation->height == widget->allocation.height)) {
431 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
432 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
433 return;
434 }
436 if (GTK_WIDGET_REALIZED (widget)) {
437 NR::Rect const area = dtw->desktop->get_display_area();
438 double zoom = dtw->desktop->current_zoom();
440 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
441 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
442 }
444 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
445 /* Calculate zoom per pixel */
446 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
447 /* Find new visible area */
448 NR::Rect newarea = dtw->desktop->get_display_area();
449 /* Calculate adjusted zoom */
450 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
451 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
452 } else {
453 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
454 }
456 } else {
457 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
458 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
459 }
460 // this->size_allocate (widget, allocation);
461 }
462 }
464 /**
465 * Callback to realize desktop widget.
466 */
467 static void
468 sp_desktop_widget_realize (GtkWidget *widget)
469 {
471 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
473 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
474 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
476 NRRect d;
477 d.x0 = 0.0;
478 d.y0 = 0.0;
479 d.x1 = sp_document_width (dtw->desktop->doc());
480 d.y1 = sp_document_height (dtw->desktop->doc());
482 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
484 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
486 /* Listen on namedview modification */
487 // originally (prior to the sigc++ conversion) the signal was simply
488 // connected twice rather than disconnecting the first connection
489 dtw->modified_connection.disconnect();
490 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
491 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
493 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
494 }
496 /**
497 * Callback to handle desktop widget event.
498 */
499 static gint
500 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
501 {
502 if (event->type == GDK_BUTTON_PRESS) {
503 // defocus any spinbuttons
504 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
505 }
507 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
508 if (event->button.state & GDK_SHIFT_MASK) {
509 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
510 } else {
511 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
512 }
513 }
515 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
516 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
517 } else {
518 // The keypress events need to be passed to desktop handler explicitly,
519 // because otherwise the event contexts only receive keypresses when the mouse cursor
520 // is over the canvas. This redirection is only done for keypresses and only if there's no
521 // current item on the canvas, because item events and all mouse events are caught
522 // and passed on by the canvas acetate (I think). --bb
523 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
524 return sp_desktop_root_handler (NULL, event, dtw->desktop);
525 }
526 }
528 return FALSE;
529 }
531 void
532 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
533 {
534 /* update active desktop indicator */
535 }
537 void
538 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
539 {
540 /* update inactive desktop indicator */
541 }
543 /**
544 * Shuts down the desktop object for the view being closed. It checks
545 * to see if the document has been edited, and if so prompts the user
546 * to save, discard, or cancel. Returns TRUE if the shutdown operation
547 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
548 */
549 bool
550 SPDesktopWidget::shutdown()
551 {
552 g_assert(desktop != NULL);
553 if (inkscape_is_sole_desktop_for_document(*desktop)) {
554 SPDocument *doc = desktop->doc();
555 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
556 GtkWidget *dialog;
558 dialog = gtk_message_dialog_new(
559 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
560 GTK_DIALOG_DESTROY_WITH_PARENT,
561 GTK_MESSAGE_WARNING,
562 GTK_BUTTONS_NONE,
563 "Document modified");
565 gchar *markup;
566 /** \todo
567 * FIXME !!! obviously this will have problems if the document
568 * name contains markup characters
569 */
570 markup = g_strdup_printf(
571 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
572 "If you close without saving, your changes will be discarded."),
573 SP_DOCUMENT_NAME(doc));
575 /** \todo
576 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
577 * (and actually even
578 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
579 * until then, we will have to be a little bit evil here and
580 * poke at GtkMessageDialog::label, which is private...
581 */
583 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
584 g_free(markup);
586 GtkWidget *close_button;
587 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
588 gtk_widget_show(close_button);
589 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
591 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
592 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
593 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
595 gint response;
596 response = gtk_dialog_run(GTK_DIALOG(dialog));
597 gtk_widget_destroy(dialog);
599 switch (response) {
600 case GTK_RESPONSE_YES:
601 sp_document_ref(doc);
602 if (sp_file_save_document(doc)) {
603 sp_document_unref(doc);
604 } else { // save dialog cancelled or save failed
605 sp_document_unref(doc);
606 return TRUE;
607 }
608 break;
609 case GTK_RESPONSE_NO:
610 break;
611 default: // cancel pressed, or dialog was closed
612 return TRUE;
613 break;
614 }
615 }
616 /* Code to check data loss */
617 bool allow_data_loss = FALSE;
618 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
619 GtkWidget *dialog;
621 dialog = gtk_message_dialog_new(
622 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
623 GTK_DIALOG_DESTROY_WITH_PARENT,
624 GTK_MESSAGE_WARNING,
625 GTK_BUTTONS_NONE,
626 "Document modified");
628 gchar *markup;
629 /** \todo
630 * FIXME !!! obviously this will have problems if the document
631 * name contains markup characters
632 */
633 markup = g_strdup_printf(
634 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
635 "Do you want to save this file in another format?"),
636 SP_DOCUMENT_NAME(doc),
637 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
639 /** \todo
640 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
641 * (and actually even
642 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
643 * until then, we will have to be a little bit evil here and
644 * poke at GtkMessageDialog::label, which is private...
645 */
647 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
648 g_free(markup);
650 GtkWidget *close_button;
651 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
652 gtk_widget_show(close_button);
653 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
655 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
656 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
657 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
659 gint response;
660 response = gtk_dialog_run(GTK_DIALOG(dialog));
661 gtk_widget_destroy(dialog);
663 switch (response) {
664 case GTK_RESPONSE_YES:
665 sp_document_ref(doc);
666 if (sp_file_save_dialog(doc)) {
667 sp_document_unref(doc);
668 } else { // save dialog cancelled or save failed
669 sp_document_unref(doc);
670 return TRUE;
671 }
672 break;
673 case GTK_RESPONSE_NO:
674 allow_data_loss = TRUE;
675 break;
676 default: // cancel pressed, or dialog was closed
677 return TRUE;
678 break;
679 }
680 }
681 }
683 return FALSE;
684 }
686 /**
687 * \pre this->desktop->main != 0
688 */
689 void
690 SPDesktopWidget::requestCanvasUpdate() {
691 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
692 }
694 void
695 SPDesktopWidget::requestCanvasUpdateAndWait() {
696 requestCanvasUpdate();
698 while (gtk_events_pending())
699 gtk_main_iteration_do(FALSE);
701 }
703 void
704 SPDesktopWidget::enableInteraction()
705 {
706 g_return_if_fail(_interaction_disabled_counter > 0);
708 _interaction_disabled_counter--;
710 if (_interaction_disabled_counter == 0) {
711 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
712 }
713 }
715 void
716 SPDesktopWidget::disableInteraction()
717 {
718 if (_interaction_disabled_counter == 0) {
719 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
720 }
722 _interaction_disabled_counter++;
723 }
725 void
726 SPDesktopWidget::setCoordinateStatus(NR::Point p)
727 {
728 gchar *cstr;
729 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
730 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
731 g_free(cstr);
732 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
733 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
734 g_free(cstr);
735 }
737 void
738 SPDesktopWidget::letZoomGrabFocus()
739 {
740 if (zoom_status)
741 gtk_widget_grab_focus (zoom_status);
742 }
744 void
745 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
746 {
747 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
748 if (window)
749 {
750 gtk_window_get_size (window, &w, &h);
751 gtk_window_get_position (window, &x, &y);
752 }
753 }
755 void
756 SPDesktopWidget::setWindowPosition (NR::Point p)
757 {
758 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
759 if (window)
760 {
761 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
762 }
763 }
765 void
766 SPDesktopWidget::setWindowSize (gint w, gint h)
767 {
768 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
769 if (window)
770 {
771 gtk_window_set_default_size (window, w, h);
772 gtk_window_reshow_with_initial_size (window);
773 }
774 }
776 /**
777 * \note transientizing does not work on windows; when you minimize a document
778 * and then open it back, only its transient emerges and you cannot access
779 * the document window. The document window must be restored by rightclicking
780 * the taskbar button and pressing "Restore"
781 */
782 void
783 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
784 {
785 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
786 if (w)
787 {
788 gtk_window_set_transient_for (GTK_WINDOW(p), w);
790 /*
791 * This enables "aggressive" transientization,
792 * i.e. dialogs always emerging on top when you switch documents. Note
793 * however that this breaks "click to raise" policy of a window
794 * manager because the switched-to document will be raised at once
795 * (so that its transients also could raise)
796 */
797 if (transient_policy == 2)
799 // without this, a transient window not always emerges on top
800 gtk_window_present (w);
801 }
802 }
804 void
805 SPDesktopWidget::presentWindow()
806 {
807 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
808 if (w)
809 gtk_window_present (w);
810 }
812 bool
813 SPDesktopWidget::warnDialog (gchar* text)
814 {
815 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
816 if (w)
817 {
818 GtkWidget *dialog = gtk_message_dialog_new(
819 w,
820 GTK_DIALOG_DESTROY_WITH_PARENT,
821 GTK_MESSAGE_WARNING,
822 GTK_BUTTONS_YES_NO,
823 text);
824 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
825 gtk_widget_destroy(dialog);
826 if (response == GTK_RESPONSE_YES)
827 return true;
828 }
829 return false;
830 }
832 void
833 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
834 {
835 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
836 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
837 if (GTK_IS_WINDOW(topw)) {
838 if (dtw->desktop->is_fullscreen) {
839 dtw->desktop->is_fullscreen = FALSE;
840 gtk_window_unfullscreen(topw);
841 sp_desktop_widget_layout (dtw);
842 } else {
843 dtw->desktop->is_fullscreen = TRUE;
844 gtk_window_fullscreen(topw);
845 sp_desktop_widget_layout (dtw);
846 }
847 }
848 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
849 }
851 /**
852 * Hide whatever the user does not want to see in the window
853 */
854 void
855 sp_desktop_widget_layout (SPDesktopWidget *dtw)
856 {
857 bool fullscreen = dtw->desktop->is_fullscreen;
859 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
860 gtk_widget_hide_all (dtw->menubar);
861 } else {
862 gtk_widget_show_all (dtw->menubar);
863 }
865 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
866 gtk_widget_hide_all (dtw->commands_toolbox);
867 } else {
868 gtk_widget_show_all (dtw->commands_toolbox);
869 }
871 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
872 gtk_widget_hide_all (dtw->aux_toolbox);
873 } else {
874 // we cannot just show_all because that will show all tools' panels;
875 // this is a function from toolbox.cpp that shows only the current tool's panel
876 show_aux_toolbox (dtw->aux_toolbox);
877 }
879 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
880 gtk_widget_hide_all (dtw->tool_toolbox);
881 } else {
882 gtk_widget_show_all (dtw->tool_toolbox);
883 }
885 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
886 gtk_widget_hide_all (dtw->statusbar);
887 } else {
888 gtk_widget_show_all (dtw->statusbar);
889 }
891 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
892 gtk_widget_hide_all( dtw->panels );
893 } else {
894 gtk_widget_show_all( dtw->panels );
895 }
897 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
898 gtk_widget_hide_all (dtw->hscrollbar);
899 gtk_widget_hide_all (dtw->vscrollbar_box);
900 } else {
901 gtk_widget_show_all (dtw->hscrollbar);
902 gtk_widget_show_all (dtw->vscrollbar_box);
903 }
905 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
906 gtk_widget_hide_all (dtw->hruler);
907 gtk_widget_hide_all (dtw->vruler);
908 } else {
909 gtk_widget_show_all (dtw->hruler);
910 gtk_widget_show_all (dtw->vruler);
911 }
912 }
914 void
915 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
916 {
917 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
918 if (hb && GTK_IS_WIDGET(hb))
919 {
920 gtk_widget_grab_focus(GTK_WIDGET(hb));
921 }
922 }
924 void
925 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
926 {
927 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
928 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
929 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
930 gtk_adjustment_set_value (a, value);
931 }
932 }
934 bool
935 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
936 {
937 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
939 return gtk_toggle_button_get_active (b) != 0;
940 }
942 SPViewWidget *
943 sp_desktop_widget_new (SPNamedView *namedview)
944 {
945 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
947 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
948 dtw->ruler_origin = namedview->gridorigin;
950 dtw->desktop = new SPDesktop();
951 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
952 dtw->desktop->registerEditWidget (dtw->stub);
953 dtw->desktop->init (namedview, dtw->canvas);
954 inkscape_add_desktop (dtw->desktop);
956 // Add the shape geometry to libavoid for autorouting connectors.
957 // This needs desktop set for its spacing preferences.
958 init_avoided_shape_geometry(dtw->desktop);
960 dtw->selected_style->setDesktop(dtw->desktop);
962 /* Once desktop is set, we can update rulers */
963 sp_desktop_widget_update_rulers (dtw);
965 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
967 /* Listen on namedview modification */
968 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
970 dtw->layer_selector->setDesktop(dtw->desktop);
972 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
973 gtk_widget_show_all (dtw->menubar);
974 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
976 sp_desktop_widget_layout (dtw);
978 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
979 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
980 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
982 return SP_VIEW_WIDGET (dtw);
983 }
985 void
986 SPDesktopWidget::viewSetPosition (NR::Point p)
987 {
988 NR::Point const origin = ( p - ruler_origin );
990 /// \todo fixme:
991 GTK_RULER(hruler)->position = origin[NR::X];
992 gtk_ruler_draw_pos (GTK_RULER (hruler));
993 GTK_RULER(vruler)->position = origin[NR::Y];
994 gtk_ruler_draw_pos (GTK_RULER (vruler));
995 }
997 void
998 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
999 {
1000 NR::Rect const viewbox = dtw->canvas->getViewbox();
1001 double const scale = dtw->desktop->current_zoom();
1002 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
1003 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
1004 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
1005 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1006 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1007 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
1008 }
1011 static void
1012 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1013 {
1014 SPNamedView *nv=SP_NAMEDVIEW(obj);
1015 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1016 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1017 dtw->ruler_origin = nv->gridorigin;
1019 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1020 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1022 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1023 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1025 sp_desktop_widget_update_rulers (dtw);
1026 }
1027 }
1029 static void
1030 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
1031 {
1032 if (dtw->update)
1033 return;
1035 dtw->update = 1;
1037 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1038 sp_desktop_widget_update_rulers (dtw);
1040 dtw->update = 0;
1041 }
1043 /* we make the desktop window with focus active, signal is connected in interface.c */
1045 gint
1046 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1047 {
1048 inkscape_activate_desktop (dtw->desktop);
1050 /* give focus to canvas widget */
1051 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1053 return FALSE;
1054 }
1056 static gdouble
1057 sp_dtw_zoom_value_to_display (gdouble value)
1058 {
1059 return floor (pow (2, value) * 100.0 + 0.5);
1060 }
1062 static gdouble
1063 sp_dtw_zoom_display_to_value (gdouble value)
1064 {
1065 return log (value / 100.0) / log (2);
1066 }
1068 static gint
1069 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1070 {
1071 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1072 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1073 gdouble new_typed = atof (b);
1075 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1076 *new_val = new_scrolled;
1077 } else { // the new value is typed in
1078 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1079 }
1081 return TRUE;
1082 }
1084 static bool
1085 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1086 {
1087 gchar b[64];
1088 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1089 gtk_entry_set_text (GTK_ENTRY (spin), b);
1090 return TRUE;
1091 }
1093 static void
1094 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1095 {
1096 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1098 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1099 SPDesktop *desktop = dtw->desktop;
1101 NR::Rect const d = desktop->get_display_area();
1102 g_signal_handler_block (spin, dtw->zoom_update);
1103 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1104 g_signal_handler_unblock (spin, dtw->zoom_update);
1106 spinbutton_defocus (GTK_OBJECT (spin));
1107 }
1109 static void
1110 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1111 {
1112 GList *children, *iter;
1113 GtkWidget *item;
1114 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1116 children = gtk_container_get_children (GTK_CONTAINER (menu));
1117 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1118 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1119 }
1120 g_list_free (children);
1122 item = gtk_menu_item_new_with_label ("200%");
1123 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1124 gtk_widget_show (item);
1125 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1126 item = gtk_menu_item_new_with_label ("100%");
1127 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1128 gtk_widget_show (item);
1129 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1130 item = gtk_menu_item_new_with_label ("50%");
1131 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1132 gtk_widget_show (item);
1133 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1135 item = gtk_separator_menu_item_new ();
1136 gtk_widget_show (item);
1137 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1139 item = gtk_menu_item_new_with_label (_("Page"));
1140 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1141 gtk_widget_show (item);
1142 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1143 item = gtk_menu_item_new_with_label (_("Drawing"));
1144 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1145 gtk_widget_show (item);
1146 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1147 item = gtk_menu_item_new_with_label (_("Selection"));
1148 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1149 gtk_widget_show (item);
1150 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1151 }
1153 static void
1154 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1155 {
1156 NR::Rect const d = dt->get_display_area();
1157 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1158 }
1160 static void
1161 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1162 {
1163 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1164 }
1166 static void
1167 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1168 {
1169 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1170 }
1172 static void
1173 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1174 {
1175 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1176 }
1178 static void
1179 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1180 {
1181 static_cast<SPDesktop*>(data)->zoom_page();
1182 }
1184 static void
1185 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1186 {
1187 static_cast<SPDesktop*>(data)->zoom_drawing();
1188 }
1190 static void
1191 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1192 {
1193 static_cast<SPDesktop*>(data)->zoom_selection();
1194 }
1198 void
1199 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1200 {
1201 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1202 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1203 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1204 }
1206 void
1207 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1208 {
1209 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1210 gtk_widget_hide_all (dtw->hruler);
1211 gtk_widget_hide_all (dtw->vruler);
1212 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1213 } else {
1214 gtk_widget_show_all (dtw->hruler);
1215 gtk_widget_show_all (dtw->vruler);
1216 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1217 }
1218 }
1220 void
1221 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1222 {
1223 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1224 gtk_widget_hide_all (dtw->hscrollbar);
1225 gtk_widget_hide_all (dtw->vscrollbar_box);
1226 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1227 } else {
1228 gtk_widget_show_all (dtw->hscrollbar);
1229 gtk_widget_show_all (dtw->vscrollbar_box);
1230 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1231 }
1232 }
1234 /* Unused
1235 void
1236 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1237 {
1238 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1239 gtk_widget_hide_all (dtw->menubar);
1240 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1241 } else {
1242 gtk_widget_show_all (dtw->menubar);
1243 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1244 }
1245 }
1246 */
1248 static void
1249 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1250 {
1251 if ((l != adj->lower) ||
1252 (u != adj->upper) ||
1253 (ps != adj->page_size) ||
1254 (si != adj->step_increment) ||
1255 (pi != adj->page_increment)) {
1256 adj->lower = l;
1257 adj->upper = u;
1258 adj->page_size = ps;
1259 adj->step_increment = si;
1260 adj->page_increment = pi;
1261 gtk_adjustment_changed (adj);
1262 }
1263 }
1265 void
1266 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1267 {
1268 if (!dtw) return;
1269 if (dtw->update) return;
1270 dtw->update = 1;
1272 /* The desktop region we always show unconditionally */
1273 SPDocument *doc = dtw->desktop->doc();
1274 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1275 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1276 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1277 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1278 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1280 /* Canvas region we always show unconditionally */
1281 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1282 darea.max()[NR::Y] * -scale - 64),
1283 NR::Point(darea.max()[NR::X] * scale + 64,
1284 darea.min()[NR::Y] * -scale + 64));
1286 NR::Rect viewbox = dtw->canvas->getViewbox();
1288 /* Viewbox is always included into scrollable region */
1289 carea = NR::Rect::union_bounds(carea, viewbox);
1291 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1292 viewbox.dimensions()[NR::X],
1293 0.1 * viewbox.dimensions()[NR::X],
1294 viewbox.dimensions()[NR::X]);
1295 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1297 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1298 viewbox.dimensions()[NR::Y],
1299 0.1 * viewbox.dimensions()[NR::Y],
1300 viewbox.dimensions()[NR::Y]);
1301 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1303 dtw->update = 0;
1304 }
1307 /*
1308 Local Variables:
1309 mode:c++
1310 c-file-style:"stroustrup"
1311 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1312 indent-tabs-mode:nil
1313 fill-column:99
1314 End:
1315 */
1316 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :