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 *
13 * Copyright (C) 2006 John Bintz
14 * Copyright (C) 2004 MenTaLguY
15 * Copyright (C) 1999-2002 Lauris Kaplinski
16 * Copyright (C) 2000-2001 Ximian, Inc.
17 *
18 * Released under GNU GPL, read the file 'COPYING' for more information
19 */
21 #ifdef HAVE_CONFIG_H
22 # include "config.h"
23 #endif
25 #include <gtkmm/paned.h>
26 #include <gtk/gtk.h>
28 #include "macros.h"
29 #include "inkscape-private.h"
30 #include "desktop-handles.h"
31 #include "desktop-events.h"
32 #include "document.h"
33 #include "desktop-widget.h"
34 #include "sp-namedview.h"
35 #include "interface.h"
36 #include "toolbox.h"
37 #include "prefs-utils.h"
38 #include "file.h"
39 #include "display/canvas-arena.h"
40 #include "display/nr-arena.h"
41 #include <extension/db.h>
42 #include "helper/units.h"
43 #include "widgets/button.h"
44 #include "widgets/ruler.h"
45 #include "widgets/widget-sizes.h"
46 #include "widgets/spw-utilities.h"
47 #include "widgets/spinbutton-events.h"
48 #include "widgets/layer-selector.h"
49 #include "ui/widget/selected-style.h"
50 #include "sp-item.h"
51 #include "dialogs/swatches.h"
52 #include "conn-avoid-ref.h"
54 #ifdef WITH_INKBOARD
55 #endif
59 enum {
60 ACTIVATE,
61 DEACTIVATE,
62 MODIFIED,
63 EVENT_CONTEXT_CHANGED,
64 LAST_SIGNAL
65 };
68 //---------------------------------------------------------------------
69 /* SPDesktopWidget */
71 static void sp_desktop_widget_class_init (SPDesktopWidgetClass *klass);
72 static void sp_desktop_widget_init (SPDesktopWidget *widget);
73 static void sp_desktop_widget_destroy (GtkObject *object);
75 static void sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation);
76 static void sp_desktop_widget_realize (GtkWidget *widget);
78 static gint sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw);
82 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
83 static void sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw);
85 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
86 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
87 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
88 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
89 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
90 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
91 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
92 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
93 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
94 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
95 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
96 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
97 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
99 SPViewWidgetClass *dtw_parent_class;
101 void
102 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
103 {
104 GtkLabel *sb=GTK_LABEL(this->select_status);
105 gtk_label_set_markup (sb, message ? message : "");
106 // FIXME: TODO: remove <b></b> before displaying as tooltip
107 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
108 }
110 NR::Point
111 SPDesktopWidget::window_get_pointer()
112 {
113 gint x,y;
114 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
115 return NR::Point(x,y);
116 }
118 /**
119 * Registers SPDesktopWidget class and returns its type number.
120 */
121 GtkType
122 sp_desktop_widget_get_type (void)
123 {
124 static GtkType type = 0;
125 if (!type) {
126 static const GtkTypeInfo info = {
127 "SPDesktopWidget",
128 sizeof (SPDesktopWidget),
129 sizeof (SPDesktopWidgetClass),
130 (GtkClassInitFunc) sp_desktop_widget_class_init,
131 (GtkObjectInitFunc) sp_desktop_widget_init,
132 NULL, NULL, NULL
133 };
134 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
135 }
136 return type;
137 }
139 /**
140 * SPDesktopWidget vtable initialization
141 */
142 static void
143 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
144 {
145 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
147 GtkObjectClass *object_class = (GtkObjectClass *) klass;
148 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
150 object_class->destroy = sp_desktop_widget_destroy;
152 widget_class->size_allocate = sp_desktop_widget_size_allocate;
153 widget_class->realize = sp_desktop_widget_realize;
154 }
156 /**
157 * Callback for SPDesktopWidget object initialization.
158 */
159 static void
160 sp_desktop_widget_init (SPDesktopWidget *dtw)
161 {
162 GtkWidget *widget;
163 GtkWidget *tbl;
165 GtkWidget *hbox;
166 GtkWidget *eventbox;
167 GtkStyle *style;
169 new (&dtw->modified_connection) sigc::connection();
171 widget = GTK_WIDGET (dtw);
173 dtw->window = 0;
175 dtw->desktop = NULL;
177 dtw->_interaction_disabled_counter = 0;
179 dtw->tt = gtk_tooltips_new ();
181 /* Main table */
182 dtw->vbox = gtk_vbox_new (FALSE, 0);
183 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
185 dtw->statusbar = gtk_hbox_new (FALSE, 0);
186 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
187 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
189 {
190 using Inkscape::UI::Dialogs::SwatchesPanel;
192 SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
193 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
194 dtw->panels = GTK_WIDGET(swatches->gobj());
195 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
196 }
198 hbox = gtk_hbox_new (FALSE, 0);
199 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
200 gtk_widget_show (hbox);
202 dtw->aux_toolbox = sp_aux_toolbox_new ();
203 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
205 dtw->commands_toolbox = sp_commands_toolbox_new ();
206 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
208 dtw->tool_toolbox = sp_tool_toolbox_new ();
209 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
211 tbl = gtk_table_new (4, 3, FALSE);
212 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
214 /* Horizontal ruler */
215 eventbox = gtk_event_box_new ();
216 dtw->hruler = sp_hruler_new ();
217 dtw->hruler_box = eventbox;
218 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
219 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
220 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
221 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
222 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
223 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
224 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
226 /* Vertical ruler */
227 eventbox = gtk_event_box_new ();
228 dtw->vruler = sp_vruler_new ();
229 dtw->vruler_box = eventbox;
230 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
231 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
232 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
233 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
234 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
235 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
236 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
238 /* Horizontal scrollbar */
239 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
240 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
241 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
242 /* Vertical scrollbar and the sticky zoom button */
243 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
244 dtw->sticky_zoom = sp_button_new_from_data ( Inkscape::ICON_SIZE_DECORATION,
245 SP_BUTTON_TYPE_TOGGLE,
246 NULL,
247 "sticky_zoom",
248 _("Zoom drawing if window size changes"),
249 dtw->tt);
250 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
251 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
252 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
253 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
254 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
255 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
257 /* Canvas */
258 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
259 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
260 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
261 style->bg[GTK_STATE_NORMAL] = style->white;
262 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
263 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
264 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
265 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);
267 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
268 GtkHBox *ss_ = dtw->selected_style->gobj();
269 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
270 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
272 // connect scrollbar signals
273 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
274 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
276 GtkWidget *statusbar_tail=gtk_statusbar_new();
277 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
278 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
280 // zoom status spinbutton
281 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);
282 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
283 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
284 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
285 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
286 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
287 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
288 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
289 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
290 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
291 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
292 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
293 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
295 // cursor coordinates
296 dtw->coord_status = gtk_table_new (5, 2, FALSE);
297 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
298 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
299 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
300 eventbox = gtk_event_box_new ();
301 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
302 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
303 GtkWidget *label_x = gtk_label_new("X:");
304 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
305 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
306 GtkWidget *label_y = gtk_label_new("Y:");
307 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
308 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
309 dtw->coord_status_x = gtk_label_new("0.0");
310 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
311 dtw->coord_status_y = gtk_label_new("0.0");
312 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
313 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
314 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
315 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
316 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
317 sp_set_font_size_smaller (dtw->coord_status);
318 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
320 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
321 // FIXME: need to unreference on container destruction to avoid leak
322 dtw->layer_selector->reference();
323 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
324 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
326 dtw->select_status_eventbox = gtk_event_box_new ();
327 dtw->select_status = gtk_label_new (NULL);
328 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
329 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
330 #endif
331 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
332 gtk_widget_set_size_request (dtw->select_status, 1, -1);
333 // display the initial welcome message in the statusbar
334 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."));
335 // space label 2 pixels from left edge
336 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
337 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
338 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
340 gtk_widget_show_all (dtw->vbox);
341 }
343 /**
344 * Called before SPDesktopWidget destruction.
345 */
346 static void
347 sp_desktop_widget_destroy (GtkObject *object)
348 {
349 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
351 if (dtw->desktop) {
352 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
353 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
354 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
355 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
356 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
357 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
359 dtw->layer_selector->unreference();
360 inkscape_remove_desktop (dtw->desktop); // clears selection too
361 dtw->modified_connection.disconnect();
362 dtw->desktop->destroy();
363 Inkscape::GC::release (dtw->desktop);
364 dtw->desktop = NULL;
365 }
367 dtw->modified_connection.~connection();
369 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
370 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
371 }
372 }
375 /**
376 * Set the title in the desktop-window (if desktop has an own window).
377 *
378 * The title has form file name: desktop number - Inkscape.
379 * The desktop number is only shown if it's 2 or higher,
380 */
381 void
382 SPDesktopWidget::updateTitle(gchar const* uri)
383 {
384 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
385 if (window) {
386 gchar const *fname = ( TRUE
387 ? uri
388 : g_basename(uri) );
389 GString *name = g_string_new ("");
390 if (this->desktop->number > 1) {
391 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
392 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
393 } else {
394 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
395 }
396 } else {
397 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
398 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
399 } else {
400 g_string_printf (name, _("%s - Inkscape"), fname);
401 }
402 }
403 gtk_window_set_title (window, name->str);
404 g_string_free (name, TRUE);
405 }
406 }
408 /**
409 * Callback to allocate space for desktop widget.
410 */
411 static void
412 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
413 {
414 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
416 if ((allocation->x == widget->allocation.x) &&
417 (allocation->y == widget->allocation.y) &&
418 (allocation->width == widget->allocation.width) &&
419 (allocation->height == widget->allocation.height)) {
420 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
421 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
422 return;
423 }
425 if (GTK_WIDGET_REALIZED (widget)) {
426 NR::Rect const area = dtw->desktop->get_display_area();
427 double zoom = dtw->desktop->current_zoom();
429 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
430 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
431 }
433 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
434 /* Calculate zoom per pixel */
435 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
436 /* Find new visible area */
437 NR::Rect newarea = dtw->desktop->get_display_area();
438 /* Calculate adjusted zoom */
439 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
440 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
441 } else {
442 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
443 }
445 } else {
446 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
447 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
448 }
449 // this->size_allocate (widget, allocation);
450 }
451 }
453 /**
454 * Callback to realize desktop widget.
455 */
456 static void
457 sp_desktop_widget_realize (GtkWidget *widget)
458 {
460 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
462 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
463 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
465 NRRect d;
466 d.x0 = 0.0;
467 d.y0 = 0.0;
468 d.x1 = sp_document_width (dtw->desktop->doc());
469 d.y1 = sp_document_height (dtw->desktop->doc());
471 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
473 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
475 /* Listen on namedview modification */
476 // originally (prior to the sigc++ conversion) the signal was simply
477 // connected twice rather than disconnecting the first connection
478 dtw->modified_connection.disconnect();
479 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
480 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
482 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
483 }
485 /**
486 * Callback to handle desktop widget event.
487 */
488 static gint
489 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
490 {
491 if (event->type == GDK_BUTTON_PRESS) {
492 // defocus any spinbuttons
493 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
494 }
496 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
497 if (event->button.state & GDK_SHIFT_MASK) {
498 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
499 } else {
500 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
501 }
502 }
504 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
505 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
506 } else {
507 // The keypress events need to be passed to desktop handler explicitly,
508 // because otherwise the event contexts only receive keypresses when the mouse cursor
509 // is over the canvas. This redirection is only done for keypresses and only if there's no
510 // current item on the canvas, because item events and all mouse events are caught
511 // and passed on by the canvas acetate (I think). --bb
512 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
513 return sp_desktop_root_handler (NULL, event, dtw->desktop);
514 }
515 }
517 return FALSE;
518 }
520 void
521 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
522 {
523 /* update active desktop indicator */
524 }
526 void
527 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
528 {
529 /* update inactive desktop indicator */
530 }
532 /**
533 * Shuts down the desktop object for the view being closed. It checks
534 * to see if the document has been edited, and if so prompts the user
535 * to save, discard, or cancel. Returns TRUE if the shutdown operation
536 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
537 */
538 bool
539 SPDesktopWidget::shutdown()
540 {
541 g_assert(desktop != NULL);
542 if (inkscape_is_sole_desktop_for_document(*desktop)) {
543 SPDocument *doc = desktop->doc();
544 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
545 GtkWidget *dialog;
547 dialog = gtk_message_dialog_new(
548 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
549 GTK_DIALOG_DESTROY_WITH_PARENT,
550 GTK_MESSAGE_WARNING,
551 GTK_BUTTONS_NONE,
552 "Document modified");
554 gchar *markup;
555 /** \todo
556 * FIXME !!! obviously this will have problems if the document
557 * name contains markup characters
558 */
559 markup = g_strdup_printf(
560 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
561 "If you close without saving, your changes will be discarded."),
562 SP_DOCUMENT_NAME(doc));
564 /** \todo
565 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
566 * (and actually even
567 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
568 * until then, we will have to be a little bit evil here and
569 * poke at GtkMessageDialog::label, which is private...
570 */
572 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
573 g_free(markup);
575 GtkWidget *close_button;
576 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
577 gtk_widget_show(close_button);
578 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
580 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
581 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
582 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
584 gint response;
585 response = gtk_dialog_run(GTK_DIALOG(dialog));
586 gtk_widget_destroy(dialog);
588 switch (response) {
589 case GTK_RESPONSE_YES:
590 sp_document_ref(doc);
591 if (sp_file_save_document(doc)) {
592 sp_document_unref(doc);
593 } else { // save dialog cancelled or save failed
594 sp_document_unref(doc);
595 return TRUE;
596 }
597 break;
598 case GTK_RESPONSE_NO:
599 break;
600 default: // cancel pressed, or dialog was closed
601 return TRUE;
602 break;
603 }
604 }
605 /* Code to check data loss */
606 bool allow_data_loss = FALSE;
607 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
608 GtkWidget *dialog;
610 dialog = gtk_message_dialog_new(
611 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
612 GTK_DIALOG_DESTROY_WITH_PARENT,
613 GTK_MESSAGE_WARNING,
614 GTK_BUTTONS_NONE,
615 "Document modified");
617 gchar *markup;
618 /** \todo
619 * FIXME !!! obviously this will have problems if the document
620 * name contains markup characters
621 */
622 markup = g_strdup_printf(
623 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
624 "Do you want to save this file in another format?"),
625 SP_DOCUMENT_NAME(doc),
626 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
628 /** \todo
629 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
630 * (and actually even
631 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
632 * until then, we will have to be a little bit evil here and
633 * poke at GtkMessageDialog::label, which is private...
634 */
636 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
637 g_free(markup);
639 GtkWidget *close_button;
640 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
641 gtk_widget_show(close_button);
642 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
644 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
645 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
646 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
648 gint response;
649 response = gtk_dialog_run(GTK_DIALOG(dialog));
650 gtk_widget_destroy(dialog);
652 switch (response) {
653 case GTK_RESPONSE_YES:
654 sp_document_ref(doc);
655 if (sp_file_save_dialog(doc)) {
656 sp_document_unref(doc);
657 } else { // save dialog cancelled or save failed
658 sp_document_unref(doc);
659 return TRUE;
660 }
661 break;
662 case GTK_RESPONSE_NO:
663 allow_data_loss = TRUE;
664 break;
665 default: // cancel pressed, or dialog was closed
666 return TRUE;
667 break;
668 }
669 }
670 }
672 return FALSE;
673 }
675 /**
676 * \pre this->desktop->main != 0
677 */
678 void
679 SPDesktopWidget::requestCanvasUpdate() {
680 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
681 }
683 void
684 SPDesktopWidget::requestCanvasUpdateAndWait() {
685 requestCanvasUpdate();
687 while (gtk_events_pending())
688 gtk_main_iteration_do(FALSE);
690 }
692 void
693 SPDesktopWidget::enableInteraction()
694 {
695 g_return_if_fail(_interaction_disabled_counter > 0);
697 _interaction_disabled_counter--;
699 if (_interaction_disabled_counter == 0) {
700 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
701 }
702 }
704 void
705 SPDesktopWidget::disableInteraction()
706 {
707 if (_interaction_disabled_counter == 0) {
708 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
709 }
711 _interaction_disabled_counter++;
712 }
714 void
715 SPDesktopWidget::setCoordinateStatus(NR::Point p)
716 {
717 gchar *cstr;
718 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
719 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
720 g_free(cstr);
721 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
722 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
723 g_free(cstr);
724 }
726 void
727 SPDesktopWidget::letZoomGrabFocus()
728 {
729 if (zoom_status)
730 gtk_widget_grab_focus (zoom_status);
731 }
733 void
734 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
735 {
736 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
737 if (window)
738 {
739 gtk_window_get_size (window, &w, &h);
740 gtk_window_get_position (window, &x, &y);
741 }
742 }
744 void
745 SPDesktopWidget::setWindowPosition (NR::Point p)
746 {
747 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
748 if (window)
749 {
750 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
751 }
752 }
754 void
755 SPDesktopWidget::setWindowSize (gint w, gint h)
756 {
757 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
758 if (window)
759 {
760 gtk_window_set_default_size (window, w, h);
761 gtk_window_reshow_with_initial_size (window);
762 }
763 }
765 /**
766 * \note transientizing does not work on windows; when you minimize a document
767 * and then open it back, only its transient emerges and you cannot access
768 * the document window.
769 */
770 void
771 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
772 {
773 #ifndef WIN32
774 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
775 if (w)
776 {
777 gtk_window_set_transient_for (GTK_WINDOW(p), w);
779 /*
780 * This enables "aggressive" transientization,
781 * i.e. dialogs always emerging on top when you switch documents. Note
782 * however that this breaks "click to raise" policy of a window
783 * manager because the switched-to document will be raised at once
784 * (so that its transients also could raise)
785 */
786 if (transient_policy == 2)
788 // without this, a transient window not always emerges on top
789 gtk_window_present (w);
790 }
791 #endif
792 }
794 void
795 SPDesktopWidget::presentWindow()
796 {
797 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
798 if (w)
799 gtk_window_present (w);
800 }
802 bool
803 SPDesktopWidget::warnDialog (gchar* text)
804 {
805 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
806 if (w)
807 {
808 GtkWidget *dialog = gtk_message_dialog_new(
809 w,
810 GTK_DIALOG_DESTROY_WITH_PARENT,
811 GTK_MESSAGE_WARNING,
812 GTK_BUTTONS_YES_NO,
813 text);
814 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
815 gtk_widget_destroy(dialog);
816 if (response == GTK_RESPONSE_YES)
817 return true;
818 }
819 return false;
820 }
822 void
823 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
824 {
825 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
826 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
827 if (GTK_IS_WINDOW(topw)) {
828 if (dtw->desktop->is_fullscreen) {
829 dtw->desktop->is_fullscreen = FALSE;
830 gtk_window_unfullscreen(topw);
831 sp_desktop_widget_layout (dtw);
832 } else {
833 dtw->desktop->is_fullscreen = TRUE;
834 gtk_window_fullscreen(topw);
835 sp_desktop_widget_layout (dtw);
836 }
837 }
838 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
839 }
841 /**
842 * Hide whatever the user does not want to see in the window
843 */
844 void
845 sp_desktop_widget_layout (SPDesktopWidget *dtw)
846 {
847 bool fullscreen = dtw->desktop->is_fullscreen;
849 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
850 gtk_widget_hide_all (dtw->menubar);
851 } else {
852 gtk_widget_show_all (dtw->menubar);
853 }
855 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
856 gtk_widget_hide_all (dtw->commands_toolbox);
857 } else {
858 gtk_widget_show_all (dtw->commands_toolbox);
859 }
861 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
862 gtk_widget_hide_all (dtw->aux_toolbox);
863 } else {
864 // we cannot just show_all because that will show all tools' panels;
865 // this is a function from toolbox.cpp that shows only the current tool's panel
866 show_aux_toolbox (dtw->aux_toolbox);
867 }
869 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
870 gtk_widget_hide_all (dtw->tool_toolbox);
871 } else {
872 gtk_widget_show_all (dtw->tool_toolbox);
873 }
875 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
876 gtk_widget_hide_all (dtw->statusbar);
877 } else {
878 gtk_widget_show_all (dtw->statusbar);
879 }
881 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
882 gtk_widget_hide_all( dtw->panels );
883 } else {
884 gtk_widget_show_all( dtw->panels );
885 }
887 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
888 gtk_widget_hide_all (dtw->hscrollbar);
889 gtk_widget_hide_all (dtw->vscrollbar_box);
890 } else {
891 gtk_widget_show_all (dtw->hscrollbar);
892 gtk_widget_show_all (dtw->vscrollbar_box);
893 }
895 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
896 gtk_widget_hide_all (dtw->hruler);
897 gtk_widget_hide_all (dtw->vruler);
898 } else {
899 gtk_widget_show_all (dtw->hruler);
900 gtk_widget_show_all (dtw->vruler);
901 }
902 }
904 void
905 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
906 {
907 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
908 if (hb && GTK_IS_WIDGET(hb))
909 {
910 gtk_widget_grab_focus(GTK_WIDGET(hb));
911 }
912 }
914 void
915 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
916 {
917 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
918 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
919 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
920 gtk_adjustment_set_value (a, value);
921 }
922 }
924 bool
925 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
926 {
927 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
929 return gtk_toggle_button_get_active (b) != 0;
930 }
932 SPViewWidget *
933 sp_desktop_widget_new (SPNamedView *namedview)
934 {
935 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
937 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
938 dtw->ruler_origin = namedview->gridorigin;
940 dtw->desktop = new SPDesktop();
941 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
942 dtw->desktop->registerEditWidget (dtw->stub);
943 dtw->desktop->init (namedview, dtw->canvas);
944 inkscape_add_desktop (dtw->desktop);
946 // Add the shape geometry to libavoid for autorouting connectors.
947 // This needs desktop set for its spacing preferences.
948 init_avoided_shape_geometry(dtw->desktop);
950 dtw->selected_style->setDesktop(dtw->desktop);
952 /* Once desktop is set, we can update rulers */
953 sp_desktop_widget_update_rulers (dtw);
955 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
957 /* Listen on namedview modification */
958 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
960 dtw->layer_selector->setDesktop(dtw->desktop);
962 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
963 gtk_widget_show_all (dtw->menubar);
964 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
966 sp_desktop_widget_layout (dtw);
968 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
969 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
970 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
972 return SP_VIEW_WIDGET (dtw);
973 }
975 void
976 SPDesktopWidget::viewSetPosition (NR::Point p)
977 {
978 NR::Point const origin = ( p - ruler_origin );
980 /// \todo fixme:
981 GTK_RULER(hruler)->position = origin[NR::X];
982 gtk_ruler_draw_pos (GTK_RULER (hruler));
983 GTK_RULER(vruler)->position = origin[NR::Y];
984 gtk_ruler_draw_pos (GTK_RULER (vruler));
985 }
987 void
988 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
989 {
990 NR::Rect const viewbox = dtw->canvas->getViewbox();
991 double const scale = dtw->desktop->current_zoom();
992 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
993 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
994 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
995 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
996 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
997 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
998 }
1001 static void
1002 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1003 {
1004 SPNamedView *nv=SP_NAMEDVIEW(obj);
1005 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1006 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1007 dtw->ruler_origin = nv->gridorigin;
1009 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1010 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1012 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1013 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1015 sp_desktop_widget_update_rulers (dtw);
1016 }
1017 }
1019 static void
1020 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
1021 {
1022 if (dtw->update)
1023 return;
1025 dtw->update = 1;
1027 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1028 sp_desktop_widget_update_rulers (dtw);
1030 dtw->update = 0;
1031 }
1033 /* we make the desktop window with focus active, signal is connected in interface.c */
1035 gint
1036 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1037 {
1038 inkscape_activate_desktop (dtw->desktop);
1040 /* give focus to canvas widget */
1041 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1043 return FALSE;
1044 }
1046 static gdouble
1047 sp_dtw_zoom_value_to_display (gdouble value)
1048 {
1049 return floor (pow (2, value) * 100.0 + 0.5);
1050 }
1052 static gdouble
1053 sp_dtw_zoom_display_to_value (gdouble value)
1054 {
1055 return log (value / 100.0) / log (2);
1056 }
1058 static gint
1059 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1060 {
1061 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1062 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1063 gdouble new_typed = atof (b);
1065 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1066 *new_val = new_scrolled;
1067 } else { // the new value is typed in
1068 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1069 }
1071 return TRUE;
1072 }
1074 static bool
1075 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1076 {
1077 gchar b[64];
1078 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1079 gtk_entry_set_text (GTK_ENTRY (spin), b);
1080 return TRUE;
1081 }
1083 static void
1084 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1085 {
1086 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1088 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1089 SPDesktop *desktop = dtw->desktop;
1091 NR::Rect const d = desktop->get_display_area();
1092 g_signal_handler_block (spin, dtw->zoom_update);
1093 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1094 g_signal_handler_unblock (spin, dtw->zoom_update);
1096 spinbutton_defocus (GTK_OBJECT (spin));
1097 }
1099 static void
1100 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1101 {
1102 GList *children, *iter;
1103 GtkWidget *item;
1104 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1106 children = gtk_container_get_children (GTK_CONTAINER (menu));
1107 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1108 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1109 }
1110 g_list_free (children);
1112 item = gtk_menu_item_new_with_label ("200%");
1113 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1114 gtk_widget_show (item);
1115 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1116 item = gtk_menu_item_new_with_label ("100%");
1117 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1118 gtk_widget_show (item);
1119 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1120 item = gtk_menu_item_new_with_label ("50%");
1121 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1122 gtk_widget_show (item);
1123 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1125 item = gtk_separator_menu_item_new ();
1126 gtk_widget_show (item);
1127 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1129 item = gtk_menu_item_new_with_label (_("Page"));
1130 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1131 gtk_widget_show (item);
1132 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1133 item = gtk_menu_item_new_with_label (_("Drawing"));
1134 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1135 gtk_widget_show (item);
1136 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1137 item = gtk_menu_item_new_with_label (_("Selection"));
1138 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1139 gtk_widget_show (item);
1140 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1141 }
1143 static void
1144 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1145 {
1146 NR::Rect const d = dt->get_display_area();
1147 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1148 }
1150 static void
1151 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1152 {
1153 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1154 }
1156 static void
1157 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1158 {
1159 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1160 }
1162 static void
1163 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1164 {
1165 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1166 }
1168 static void
1169 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1170 {
1171 static_cast<SPDesktop*>(data)->zoom_page();
1172 }
1174 static void
1175 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1176 {
1177 static_cast<SPDesktop*>(data)->zoom_drawing();
1178 }
1180 static void
1181 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1182 {
1183 static_cast<SPDesktop*>(data)->zoom_selection();
1184 }
1188 void
1189 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1190 {
1191 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1192 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1193 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1194 }
1196 void
1197 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1198 {
1199 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1200 gtk_widget_hide_all (dtw->hruler);
1201 gtk_widget_hide_all (dtw->vruler);
1202 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1203 } else {
1204 gtk_widget_show_all (dtw->hruler);
1205 gtk_widget_show_all (dtw->vruler);
1206 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1207 }
1208 }
1210 void
1211 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1212 {
1213 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1214 gtk_widget_hide_all (dtw->hscrollbar);
1215 gtk_widget_hide_all (dtw->vscrollbar_box);
1216 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1217 } else {
1218 gtk_widget_show_all (dtw->hscrollbar);
1219 gtk_widget_show_all (dtw->vscrollbar_box);
1220 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1221 }
1222 }
1224 /* Unused
1225 void
1226 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1227 {
1228 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1229 gtk_widget_hide_all (dtw->menubar);
1230 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1231 } else {
1232 gtk_widget_show_all (dtw->menubar);
1233 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1234 }
1235 }
1236 */
1238 static void
1239 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1240 {
1241 if ((l != adj->lower) ||
1242 (u != adj->upper) ||
1243 (ps != adj->page_size) ||
1244 (si != adj->step_increment) ||
1245 (pi != adj->page_increment)) {
1246 adj->lower = l;
1247 adj->upper = u;
1248 adj->page_size = ps;
1249 adj->step_increment = si;
1250 adj->page_increment = pi;
1251 gtk_adjustment_changed (adj);
1252 }
1253 }
1255 void
1256 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1257 {
1258 if (!dtw) return;
1259 if (dtw->update) return;
1260 dtw->update = 1;
1262 /* The desktop region we always show unconditionally */
1263 SPDocument *doc = dtw->desktop->doc();
1264 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1265 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1266 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1267 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1268 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1270 /* Canvas region we always show unconditionally */
1271 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1272 darea.max()[NR::Y] * -scale - 64),
1273 NR::Point(darea.max()[NR::X] * scale + 64,
1274 darea.min()[NR::Y] * -scale + 64));
1276 NR::Rect viewbox = dtw->canvas->getViewbox();
1278 /* Viewbox is always included into scrollable region */
1279 carea = NR::Rect::union_bounds(carea, viewbox);
1281 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1282 viewbox.dimensions()[NR::X],
1283 0.1 * viewbox.dimensions()[NR::X],
1284 viewbox.dimensions()[NR::X]);
1285 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1287 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1288 viewbox.dimensions()[NR::Y],
1289 0.1 * viewbox.dimensions()[NR::Y],
1290 viewbox.dimensions()[NR::Y]);
1291 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1293 dtw->update = 0;
1294 }
1297 /*
1298 Local Variables:
1299 mode:c++
1300 c-file-style:"stroustrup"
1301 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1302 indent-tabs-mode:nil
1303 fill-column:99
1304 End:
1305 */
1306 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :