d7e5891c61cb7bb5e6cf7214c9545c8ce485faa4
1 #define __SP_DESKTOP_WIDGET_C__
3 /** \file
4 * Desktop widget implementation
5 *
6 * Authors:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 * MenTaLguY <mental@rydia.net>
9 * bulia byak <buliabyak@users.sf.net>
10 * Ralf Stephan <ralf@ark.in-berlin.de>
11 * John Bintz <jcoswell@coswellproductions.org>
12 * Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
13 *
14 * Copyright (C) 2007 Johan Engelen
15 * Copyright (C) 2006 John Bintz
16 * Copyright (C) 2004 MenTaLguY
17 * Copyright (C) 1999-2002 Lauris Kaplinski
18 * Copyright (C) 2000-2001 Ximian, Inc.
19 *
20 * Released under GNU GPL, read the file 'COPYING' for more information
21 */
23 #ifdef HAVE_CONFIG_H
24 # include "config.h"
25 #endif
27 #include <gtkmm/paned.h>
28 #include <gtk/gtk.h>
30 #include "macros.h"
31 #include "inkscape-private.h"
32 #include "desktop-handles.h"
33 #include "desktop-events.h"
34 #include "document.h"
35 #include "desktop-widget.h"
36 #include "sp-namedview.h"
37 #include "interface.h"
38 #include "toolbox.h"
39 #include "prefs-utils.h"
40 #include "file.h"
41 #include "display/canvas-arena.h"
42 #include "display/nr-arena.h"
43 #include <extension/db.h>
44 #include "helper/units.h"
45 #include "widgets/button.h"
46 #include "widgets/ruler.h"
47 #include "widgets/widget-sizes.h"
48 #include "widgets/spw-utilities.h"
49 #include "widgets/spinbutton-events.h"
50 #include "widgets/layer-selector.h"
51 #include "ui/widget/selected-style.h"
52 #include "sp-item.h"
53 #include "dialogs/swatches.h"
54 #include "conn-avoid-ref.h"
56 #ifdef WITH_INKBOARD
57 #endif
61 enum {
62 ACTIVATE,
63 DEACTIVATE,
64 MODIFIED,
65 EVENT_CONTEXT_CHANGED,
66 LAST_SIGNAL
67 };
70 //---------------------------------------------------------------------
71 /* SPDesktopWidget */
73 static void sp_desktop_widget_class_init (SPDesktopWidgetClass *klass);
74 static void sp_desktop_widget_init (SPDesktopWidget *widget);
75 static void sp_desktop_widget_destroy (GtkObject *object);
77 static void sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation);
78 static void sp_desktop_widget_realize (GtkWidget *widget);
80 static gint sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw);
84 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
85 static void sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw);
87 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
88 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
89 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
90 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
91 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
92 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
93 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
94 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
95 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
96 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
97 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
98 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
99 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
101 SPViewWidgetClass *dtw_parent_class;
103 void
104 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
105 {
106 GtkLabel *sb=GTK_LABEL(this->select_status);
107 gtk_label_set_markup (sb, message ? message : "");
109 // make sure the important messages are displayed immediately!
110 if (type == Inkscape::IMMEDIATE_MESSAGE && GTK_WIDGET_DRAWABLE (GTK_WIDGET(sb))) {
111 gtk_widget_queue_draw(GTK_WIDGET(sb));
112 gdk_window_process_updates(GTK_WIDGET(sb)->window, TRUE);
113 }
115 // FIXME: TODO: remove <b></b> before displaying as tooltip
116 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
117 }
119 NR::Point
120 SPDesktopWidget::window_get_pointer()
121 {
122 gint x,y;
123 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
124 return NR::Point(x,y);
125 }
127 /**
128 * Registers SPDesktopWidget class and returns its type number.
129 */
130 GtkType
131 sp_desktop_widget_get_type (void)
132 {
133 static GtkType type = 0;
134 if (!type) {
135 static const GtkTypeInfo info = {
136 "SPDesktopWidget",
137 sizeof (SPDesktopWidget),
138 sizeof (SPDesktopWidgetClass),
139 (GtkClassInitFunc) sp_desktop_widget_class_init,
140 (GtkObjectInitFunc) sp_desktop_widget_init,
141 NULL, NULL, NULL
142 };
143 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
144 }
145 return type;
146 }
148 /**
149 * SPDesktopWidget vtable initialization
150 */
151 static void
152 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
153 {
154 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
156 GtkObjectClass *object_class = (GtkObjectClass *) klass;
157 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
159 object_class->destroy = sp_desktop_widget_destroy;
161 widget_class->size_allocate = sp_desktop_widget_size_allocate;
162 widget_class->realize = sp_desktop_widget_realize;
163 }
165 /**
166 * Callback for SPDesktopWidget object initialization.
167 */
168 static void
169 sp_desktop_widget_init (SPDesktopWidget *dtw)
170 {
171 GtkWidget *widget;
172 GtkWidget *tbl;
174 GtkWidget *hbox;
175 GtkWidget *eventbox;
176 GtkStyle *style;
178 new (&dtw->modified_connection) sigc::connection();
180 widget = GTK_WIDGET (dtw);
182 dtw->window = 0;
184 dtw->desktop = NULL;
186 dtw->_interaction_disabled_counter = 0;
188 dtw->tt = gtk_tooltips_new ();
190 /* Main table */
191 dtw->vbox = gtk_vbox_new (FALSE, 0);
192 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
194 dtw->statusbar = gtk_hbox_new (FALSE, 0);
195 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
196 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
198 {
199 using Inkscape::UI::Dialogs::SwatchesPanel;
201 SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
202 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
203 dtw->panels = GTK_WIDGET(swatches->gobj());
204 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
205 }
207 hbox = gtk_hbox_new (FALSE, 0);
208 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
209 gtk_widget_show (hbox);
211 dtw->aux_toolbox = sp_aux_toolbox_new ();
212 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
214 dtw->commands_toolbox = sp_commands_toolbox_new ();
215 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
217 dtw->tool_toolbox = sp_tool_toolbox_new ();
218 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
220 tbl = gtk_table_new (4, 3, FALSE);
221 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
223 /* Horizontal ruler */
224 eventbox = gtk_event_box_new ();
225 dtw->hruler = sp_hruler_new ();
226 dtw->hruler_box = eventbox;
227 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
228 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
229 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
230 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
231 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
232 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
233 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
235 /* Vertical ruler */
236 eventbox = gtk_event_box_new ();
237 dtw->vruler = sp_vruler_new ();
238 dtw->vruler_box = eventbox;
239 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
240 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
241 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
242 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
243 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
244 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
245 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
247 /* Horizontal scrollbar */
248 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
249 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
250 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
251 /* Vertical scrollbar and the sticky zoom button */
252 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
253 dtw->sticky_zoom = sp_button_new_from_data ( Inkscape::ICON_SIZE_DECORATION,
254 SP_BUTTON_TYPE_TOGGLE,
255 NULL,
256 "sticky_zoom",
257 _("Zoom drawing if window size changes"),
258 dtw->tt);
259 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
260 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
261 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
262 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
263 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
264 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
266 /* Canvas */
267 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
268 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
269 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
270 style->bg[GTK_STATE_NORMAL] = style->white;
271 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
272 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
273 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
274 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);
276 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
277 GtkHBox *ss_ = dtw->selected_style->gobj();
278 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
279 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
281 // connect scrollbar signals
282 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
283 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
285 GtkWidget *statusbar_tail=gtk_statusbar_new();
286 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
287 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
289 // zoom status spinbutton
290 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);
291 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
292 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
293 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
294 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
295 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
296 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
297 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
298 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
299 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
300 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
301 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
302 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
304 // cursor coordinates
305 dtw->coord_status = gtk_table_new (5, 2, FALSE);
306 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
307 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
308 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
309 eventbox = gtk_event_box_new ();
310 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
311 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
312 GtkWidget *label_x = gtk_label_new("X:");
313 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
314 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
315 GtkWidget *label_y = gtk_label_new("Y:");
316 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
317 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
318 dtw->coord_status_x = gtk_label_new("0.0");
319 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
320 dtw->coord_status_y = gtk_label_new("0.0");
321 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
322 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
323 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
324 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
325 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
326 sp_set_font_size_smaller (dtw->coord_status);
327 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
329 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
330 // FIXME: need to unreference on container destruction to avoid leak
331 dtw->layer_selector->reference();
332 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
333 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
335 dtw->select_status_eventbox = gtk_event_box_new ();
336 dtw->select_status = gtk_label_new (NULL);
337 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
338 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
339 #endif
340 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
341 gtk_widget_set_size_request (dtw->select_status, 1, -1);
342 // display the initial welcome message in the statusbar
343 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."));
344 // space label 2 pixels from left edge
345 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
346 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
347 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
349 gtk_widget_show_all (dtw->vbox);
350 }
352 /**
353 * Called before SPDesktopWidget destruction.
354 */
355 static void
356 sp_desktop_widget_destroy (GtkObject *object)
357 {
358 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
360 if (dtw->desktop) {
361 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_input), dtw);
362 g_signal_handlers_disconnect_by_func(G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK(sp_dtw_zoom_output), dtw);
363 gtk_signal_disconnect_by_data (GTK_OBJECT (dtw->zoom_status), dtw->zoom_status);
364 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
365 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->zoom_status), (gpointer) G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
366 g_signal_handlers_disconnect_by_func (G_OBJECT (dtw->canvas), (gpointer) G_CALLBACK (sp_desktop_widget_event), dtw);
368 dtw->layer_selector->unreference();
369 inkscape_remove_desktop (dtw->desktop); // clears selection too
370 dtw->modified_connection.disconnect();
371 dtw->desktop->destroy();
372 Inkscape::GC::release (dtw->desktop);
373 dtw->desktop = NULL;
374 }
376 dtw->modified_connection.~connection();
378 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
379 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
380 }
381 }
384 /**
385 * Set the title in the desktop-window (if desktop has an own window).
386 *
387 * The title has form file name: desktop number - Inkscape.
388 * The desktop number is only shown if it's 2 or higher,
389 */
390 void
391 SPDesktopWidget::updateTitle(gchar const* uri)
392 {
393 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
394 if (window) {
395 gchar const *fname = ( TRUE
396 ? uri
397 : g_basename(uri) );
398 GString *name = g_string_new ("");
399 if (this->desktop->number > 1) {
400 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
401 g_string_printf (name, _("%s: %d (outline) - Inkscape"), fname, this->desktop->number);
402 } else {
403 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
404 }
405 } else {
406 if (this->desktop->getMode() == RENDERMODE_OUTLINE) {
407 g_string_printf (name, _("%s (outline) - Inkscape"), fname);
408 } else {
409 g_string_printf (name, _("%s - Inkscape"), fname);
410 }
411 }
412 gtk_window_set_title (window, name->str);
413 g_string_free (name, TRUE);
414 }
415 }
417 /**
418 * Callback to allocate space for desktop widget.
419 */
420 static void
421 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
422 {
423 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
425 if ((allocation->x == widget->allocation.x) &&
426 (allocation->y == widget->allocation.y) &&
427 (allocation->width == widget->allocation.width) &&
428 (allocation->height == widget->allocation.height)) {
429 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
430 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
431 return;
432 }
434 if (GTK_WIDGET_REALIZED (widget)) {
435 NR::Rect const area = dtw->desktop->get_display_area();
436 double zoom = dtw->desktop->current_zoom();
438 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
439 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
440 }
442 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
443 /* Calculate zoom per pixel */
444 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
445 /* Find new visible area */
446 NR::Rect newarea = dtw->desktop->get_display_area();
447 /* Calculate adjusted zoom */
448 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
449 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
450 } else {
451 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
452 }
454 } else {
455 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
456 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
457 }
458 // this->size_allocate (widget, allocation);
459 }
460 }
462 /**
463 * Callback to realize desktop widget.
464 */
465 static void
466 sp_desktop_widget_realize (GtkWidget *widget)
467 {
469 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
471 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
472 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
474 NRRect d;
475 d.x0 = 0.0;
476 d.y0 = 0.0;
477 d.x1 = sp_document_width (dtw->desktop->doc());
478 d.y1 = sp_document_height (dtw->desktop->doc());
480 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
482 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
484 /* Listen on namedview modification */
485 // originally (prior to the sigc++ conversion) the signal was simply
486 // connected twice rather than disconnecting the first connection
487 dtw->modified_connection.disconnect();
488 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
489 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
491 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
492 }
494 /**
495 * Callback to handle desktop widget event.
496 */
497 static gint
498 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
499 {
500 if (event->type == GDK_BUTTON_PRESS) {
501 // defocus any spinbuttons
502 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
503 }
505 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
506 if (event->button.state & GDK_SHIFT_MASK) {
507 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
508 } else {
509 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
510 }
511 }
513 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
514 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
515 } else {
516 // The keypress events need to be passed to desktop handler explicitly,
517 // because otherwise the event contexts only receive keypresses when the mouse cursor
518 // is over the canvas. This redirection is only done for keypresses and only if there's no
519 // current item on the canvas, because item events and all mouse events are caught
520 // and passed on by the canvas acetate (I think). --bb
521 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
522 return sp_desktop_root_handler (NULL, event, dtw->desktop);
523 }
524 }
526 return FALSE;
527 }
529 void
530 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
531 {
532 /* update active desktop indicator */
533 }
535 void
536 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
537 {
538 /* update inactive desktop indicator */
539 }
541 /**
542 * Shuts down the desktop object for the view being closed. It checks
543 * to see if the document has been edited, and if so prompts the user
544 * to save, discard, or cancel. Returns TRUE if the shutdown operation
545 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
546 */
547 bool
548 SPDesktopWidget::shutdown()
549 {
550 g_assert(desktop != NULL);
551 if (inkscape_is_sole_desktop_for_document(*desktop)) {
552 SPDocument *doc = desktop->doc();
553 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
554 GtkWidget *dialog;
556 dialog = gtk_message_dialog_new(
557 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
558 GTK_DIALOG_DESTROY_WITH_PARENT,
559 GTK_MESSAGE_WARNING,
560 GTK_BUTTONS_NONE,
561 "Document modified");
563 gchar *markup;
564 /** \todo
565 * FIXME !!! obviously this will have problems if the document
566 * name contains markup characters
567 */
568 markup = g_strdup_printf(
569 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
570 "If you close without saving, your changes will be discarded."),
571 SP_DOCUMENT_NAME(doc));
573 /** \todo
574 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
575 * (and actually even
576 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
577 * until then, we will have to be a little bit evil here and
578 * poke at GtkMessageDialog::label, which is private...
579 */
581 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
582 g_free(markup);
584 GtkWidget *close_button;
585 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
586 gtk_widget_show(close_button);
587 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
589 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
590 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
591 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
593 gint response;
594 response = gtk_dialog_run(GTK_DIALOG(dialog));
595 gtk_widget_destroy(dialog);
597 switch (response) {
598 case GTK_RESPONSE_YES:
599 sp_document_ref(doc);
600 if (sp_file_save_document(doc)) {
601 sp_document_unref(doc);
602 } else { // save dialog cancelled or save failed
603 sp_document_unref(doc);
604 return TRUE;
605 }
606 break;
607 case GTK_RESPONSE_NO:
608 break;
609 default: // cancel pressed, or dialog was closed
610 return TRUE;
611 break;
612 }
613 }
614 /* Code to check data loss */
615 bool allow_data_loss = FALSE;
616 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
617 GtkWidget *dialog;
619 dialog = gtk_message_dialog_new(
620 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
621 GTK_DIALOG_DESTROY_WITH_PARENT,
622 GTK_MESSAGE_WARNING,
623 GTK_BUTTONS_NONE,
624 "Document modified");
626 gchar *markup;
627 /** \todo
628 * FIXME !!! obviously this will have problems if the document
629 * name contains markup characters
630 */
631 markup = g_strdup_printf(
632 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
633 "Do you want to save this file in another format?"),
634 SP_DOCUMENT_NAME(doc),
635 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
637 /** \todo
638 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
639 * (and actually even
640 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
641 * until then, we will have to be a little bit evil here and
642 * poke at GtkMessageDialog::label, which is private...
643 */
645 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
646 g_free(markup);
648 GtkWidget *close_button;
649 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
650 gtk_widget_show(close_button);
651 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
653 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
654 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
655 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
657 gint response;
658 response = gtk_dialog_run(GTK_DIALOG(dialog));
659 gtk_widget_destroy(dialog);
661 switch (response) {
662 case GTK_RESPONSE_YES:
663 sp_document_ref(doc);
664 if (sp_file_save_dialog(doc)) {
665 sp_document_unref(doc);
666 } else { // save dialog cancelled or save failed
667 sp_document_unref(doc);
668 return TRUE;
669 }
670 break;
671 case GTK_RESPONSE_NO:
672 allow_data_loss = TRUE;
673 break;
674 default: // cancel pressed, or dialog was closed
675 return TRUE;
676 break;
677 }
678 }
679 }
681 return FALSE;
682 }
684 /**
685 * \pre this->desktop->main != 0
686 */
687 void
688 SPDesktopWidget::requestCanvasUpdate() {
689 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
690 }
692 void
693 SPDesktopWidget::requestCanvasUpdateAndWait() {
694 requestCanvasUpdate();
696 while (gtk_events_pending())
697 gtk_main_iteration_do(FALSE);
699 }
701 void
702 SPDesktopWidget::enableInteraction()
703 {
704 g_return_if_fail(_interaction_disabled_counter > 0);
706 _interaction_disabled_counter--;
708 if (_interaction_disabled_counter == 0) {
709 gtk_widget_set_sensitive(GTK_WIDGET(this), TRUE);
710 }
711 }
713 void
714 SPDesktopWidget::disableInteraction()
715 {
716 if (_interaction_disabled_counter == 0) {
717 gtk_widget_set_sensitive(GTK_WIDGET(this), FALSE);
718 }
720 _interaction_disabled_counter++;
721 }
723 void
724 SPDesktopWidget::setCoordinateStatus(NR::Point p)
725 {
726 gchar *cstr;
727 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
728 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
729 g_free(cstr);
730 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
731 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
732 g_free(cstr);
733 }
735 void
736 SPDesktopWidget::letZoomGrabFocus()
737 {
738 if (zoom_status)
739 gtk_widget_grab_focus (zoom_status);
740 }
742 void
743 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
744 {
745 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
746 if (window)
747 {
748 gtk_window_get_size (window, &w, &h);
749 gtk_window_get_position (window, &x, &y);
750 }
751 }
753 void
754 SPDesktopWidget::setWindowPosition (NR::Point p)
755 {
756 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
757 if (window)
758 {
759 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
760 }
761 }
763 void
764 SPDesktopWidget::setWindowSize (gint w, gint h)
765 {
766 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
767 if (window)
768 {
769 gtk_window_set_default_size (window, w, h);
770 gtk_window_reshow_with_initial_size (window);
771 }
772 }
774 /**
775 * \note transientizing does not work on windows; when you minimize a document
776 * and then open it back, only its transient emerges and you cannot access
777 * the document window. The document window must be restored by rightclicking
778 * the taskbar button and pressing "Restore"
779 */
780 void
781 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
782 {
783 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
784 if (w)
785 {
786 gtk_window_set_transient_for (GTK_WINDOW(p), w);
788 /*
789 * This enables "aggressive" transientization,
790 * i.e. dialogs always emerging on top when you switch documents. Note
791 * however that this breaks "click to raise" policy of a window
792 * manager because the switched-to document will be raised at once
793 * (so that its transients also could raise)
794 */
795 if (transient_policy == 2)
797 // without this, a transient window not always emerges on top
798 gtk_window_present (w);
799 }
800 }
802 void
803 SPDesktopWidget::presentWindow()
804 {
805 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
806 if (w)
807 gtk_window_present (w);
808 }
810 bool
811 SPDesktopWidget::warnDialog (gchar* text)
812 {
813 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
814 if (w)
815 {
816 GtkWidget *dialog = gtk_message_dialog_new(
817 w,
818 GTK_DIALOG_DESTROY_WITH_PARENT,
819 GTK_MESSAGE_WARNING,
820 GTK_BUTTONS_YES_NO,
821 text);
822 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
823 gtk_widget_destroy(dialog);
824 if (response == GTK_RESPONSE_YES)
825 return true;
826 }
827 return false;
828 }
830 void
831 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
832 {
833 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
834 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
835 if (GTK_IS_WINDOW(topw)) {
836 if (dtw->desktop->is_fullscreen) {
837 dtw->desktop->is_fullscreen = FALSE;
838 gtk_window_unfullscreen(topw);
839 sp_desktop_widget_layout (dtw);
840 } else {
841 dtw->desktop->is_fullscreen = TRUE;
842 gtk_window_fullscreen(topw);
843 sp_desktop_widget_layout (dtw);
844 }
845 }
846 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
847 }
849 /**
850 * Hide whatever the user does not want to see in the window
851 */
852 void
853 sp_desktop_widget_layout (SPDesktopWidget *dtw)
854 {
855 bool fullscreen = dtw->desktop->is_fullscreen;
857 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
858 gtk_widget_hide_all (dtw->menubar);
859 } else {
860 gtk_widget_show_all (dtw->menubar);
861 }
863 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
864 gtk_widget_hide_all (dtw->commands_toolbox);
865 } else {
866 gtk_widget_show_all (dtw->commands_toolbox);
867 }
869 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
870 gtk_widget_hide_all (dtw->aux_toolbox);
871 } else {
872 // we cannot just show_all because that will show all tools' panels;
873 // this is a function from toolbox.cpp that shows only the current tool's panel
874 show_aux_toolbox (dtw->aux_toolbox);
875 }
877 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
878 gtk_widget_hide_all (dtw->tool_toolbox);
879 } else {
880 gtk_widget_show_all (dtw->tool_toolbox);
881 }
883 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
884 gtk_widget_hide_all (dtw->statusbar);
885 } else {
886 gtk_widget_show_all (dtw->statusbar);
887 }
889 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
890 gtk_widget_hide_all( dtw->panels );
891 } else {
892 gtk_widget_show_all( dtw->panels );
893 }
895 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
896 gtk_widget_hide_all (dtw->hscrollbar);
897 gtk_widget_hide_all (dtw->vscrollbar_box);
898 } else {
899 gtk_widget_show_all (dtw->hscrollbar);
900 gtk_widget_show_all (dtw->vscrollbar_box);
901 }
903 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
904 gtk_widget_hide_all (dtw->hruler);
905 gtk_widget_hide_all (dtw->vruler);
906 } else {
907 gtk_widget_show_all (dtw->hruler);
908 gtk_widget_show_all (dtw->vruler);
909 }
910 }
912 void
913 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
914 {
915 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
916 if (hb && GTK_IS_WIDGET(hb))
917 {
918 gtk_widget_grab_focus(GTK_WIDGET(hb));
919 }
920 }
922 void
923 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
924 {
925 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
926 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
927 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
928 gtk_adjustment_set_value (a, value);
929 }
930 }
932 bool
933 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
934 {
935 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
937 return gtk_toggle_button_get_active (b) != 0;
938 }
940 SPViewWidget *
941 sp_desktop_widget_new (SPNamedView *namedview)
942 {
943 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
945 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
946 dtw->ruler_origin = namedview->gridorigin;
948 dtw->desktop = new SPDesktop();
949 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
950 dtw->desktop->registerEditWidget (dtw->stub);
951 dtw->desktop->init (namedview, dtw->canvas);
952 inkscape_add_desktop (dtw->desktop);
954 // Add the shape geometry to libavoid for autorouting connectors.
955 // This needs desktop set for its spacing preferences.
956 init_avoided_shape_geometry(dtw->desktop);
958 dtw->selected_style->setDesktop(dtw->desktop);
960 /* Once desktop is set, we can update rulers */
961 sp_desktop_widget_update_rulers (dtw);
963 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
965 /* Listen on namedview modification */
966 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
968 dtw->layer_selector->setDesktop(dtw->desktop);
970 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
971 gtk_widget_show_all (dtw->menubar);
972 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
974 sp_desktop_widget_layout (dtw);
976 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
977 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
978 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
980 return SP_VIEW_WIDGET (dtw);
981 }
983 void
984 SPDesktopWidget::viewSetPosition (NR::Point p)
985 {
986 NR::Point const origin = ( p - ruler_origin );
988 /// \todo fixme:
989 GTK_RULER(hruler)->position = origin[NR::X];
990 gtk_ruler_draw_pos (GTK_RULER (hruler));
991 GTK_RULER(vruler)->position = origin[NR::Y];
992 gtk_ruler_draw_pos (GTK_RULER (vruler));
993 }
995 void
996 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
997 {
998 NR::Rect const viewbox = dtw->canvas->getViewbox();
999 double const scale = dtw->desktop->current_zoom();
1000 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
1001 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
1002 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
1003 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1004 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
1005 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
1006 }
1009 static void
1010 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
1011 {
1012 SPNamedView *nv=SP_NAMEDVIEW(obj);
1013 if (flags & SP_OBJECT_MODIFIED_FLAG) {
1014 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
1015 dtw->ruler_origin = nv->gridorigin;
1017 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
1018 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
1020 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1021 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
1023 sp_desktop_widget_update_rulers (dtw);
1024 }
1025 }
1027 static void
1028 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
1029 {
1030 if (dtw->update)
1031 return;
1033 dtw->update = 1;
1035 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1036 sp_desktop_widget_update_rulers (dtw);
1038 dtw->update = 0;
1039 }
1041 /* we make the desktop window with focus active, signal is connected in interface.c */
1043 gint
1044 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1045 {
1046 inkscape_activate_desktop (dtw->desktop);
1048 /* give focus to canvas widget */
1049 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1051 return FALSE;
1052 }
1054 static gdouble
1055 sp_dtw_zoom_value_to_display (gdouble value)
1056 {
1057 return floor (pow (2, value) * 100.0 + 0.5);
1058 }
1060 static gdouble
1061 sp_dtw_zoom_display_to_value (gdouble value)
1062 {
1063 return log (value / 100.0) / log (2);
1064 }
1066 static gint
1067 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1068 {
1069 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1070 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1071 gdouble new_typed = atof (b);
1073 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1074 *new_val = new_scrolled;
1075 } else { // the new value is typed in
1076 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1077 }
1079 return TRUE;
1080 }
1082 static bool
1083 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1084 {
1085 gchar b[64];
1086 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1087 gtk_entry_set_text (GTK_ENTRY (spin), b);
1088 return TRUE;
1089 }
1091 static void
1092 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1093 {
1094 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1096 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1097 SPDesktop *desktop = dtw->desktop;
1099 NR::Rect const d = desktop->get_display_area();
1100 g_signal_handler_block (spin, dtw->zoom_update);
1101 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1102 g_signal_handler_unblock (spin, dtw->zoom_update);
1104 spinbutton_defocus (GTK_OBJECT (spin));
1105 }
1107 static void
1108 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1109 {
1110 GList *children, *iter;
1111 GtkWidget *item;
1112 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1114 children = gtk_container_get_children (GTK_CONTAINER (menu));
1115 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1116 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1117 }
1118 g_list_free (children);
1120 item = gtk_menu_item_new_with_label ("200%");
1121 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1122 gtk_widget_show (item);
1123 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1124 item = gtk_menu_item_new_with_label ("100%");
1125 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1126 gtk_widget_show (item);
1127 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1128 item = gtk_menu_item_new_with_label ("50%");
1129 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1130 gtk_widget_show (item);
1131 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1133 item = gtk_separator_menu_item_new ();
1134 gtk_widget_show (item);
1135 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1137 item = gtk_menu_item_new_with_label (_("Page"));
1138 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1139 gtk_widget_show (item);
1140 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1141 item = gtk_menu_item_new_with_label (_("Drawing"));
1142 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1143 gtk_widget_show (item);
1144 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1145 item = gtk_menu_item_new_with_label (_("Selection"));
1146 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1147 gtk_widget_show (item);
1148 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1149 }
1151 static void
1152 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1153 {
1154 NR::Rect const d = dt->get_display_area();
1155 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1156 }
1158 static void
1159 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1160 {
1161 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1162 }
1164 static void
1165 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1166 {
1167 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1168 }
1170 static void
1171 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1172 {
1173 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1174 }
1176 static void
1177 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1178 {
1179 static_cast<SPDesktop*>(data)->zoom_page();
1180 }
1182 static void
1183 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1184 {
1185 static_cast<SPDesktop*>(data)->zoom_drawing();
1186 }
1188 static void
1189 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1190 {
1191 static_cast<SPDesktop*>(data)->zoom_selection();
1192 }
1196 void
1197 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1198 {
1199 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1200 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1201 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1202 }
1204 void
1205 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1206 {
1207 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1208 gtk_widget_hide_all (dtw->hruler);
1209 gtk_widget_hide_all (dtw->vruler);
1210 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1211 } else {
1212 gtk_widget_show_all (dtw->hruler);
1213 gtk_widget_show_all (dtw->vruler);
1214 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1215 }
1216 }
1218 void
1219 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1220 {
1221 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1222 gtk_widget_hide_all (dtw->hscrollbar);
1223 gtk_widget_hide_all (dtw->vscrollbar_box);
1224 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1225 } else {
1226 gtk_widget_show_all (dtw->hscrollbar);
1227 gtk_widget_show_all (dtw->vscrollbar_box);
1228 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1229 }
1230 }
1232 /* Unused
1233 void
1234 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1235 {
1236 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1237 gtk_widget_hide_all (dtw->menubar);
1238 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1239 } else {
1240 gtk_widget_show_all (dtw->menubar);
1241 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1242 }
1243 }
1244 */
1246 static void
1247 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1248 {
1249 if ((l != adj->lower) ||
1250 (u != adj->upper) ||
1251 (ps != adj->page_size) ||
1252 (si != adj->step_increment) ||
1253 (pi != adj->page_increment)) {
1254 adj->lower = l;
1255 adj->upper = u;
1256 adj->page_size = ps;
1257 adj->step_increment = si;
1258 adj->page_increment = pi;
1259 gtk_adjustment_changed (adj);
1260 }
1261 }
1263 void
1264 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1265 {
1266 if (!dtw) return;
1267 if (dtw->update) return;
1268 dtw->update = 1;
1270 /* The desktop region we always show unconditionally */
1271 SPDocument *doc = dtw->desktop->doc();
1272 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1273 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1274 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1275 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1276 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1278 /* Canvas region we always show unconditionally */
1279 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1280 darea.max()[NR::Y] * -scale - 64),
1281 NR::Point(darea.max()[NR::X] * scale + 64,
1282 darea.min()[NR::Y] * -scale + 64));
1284 NR::Rect viewbox = dtw->canvas->getViewbox();
1286 /* Viewbox is always included into scrollable region */
1287 carea = NR::Rect::union_bounds(carea, viewbox);
1289 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1290 viewbox.dimensions()[NR::X],
1291 0.1 * viewbox.dimensions()[NR::X],
1292 viewbox.dimensions()[NR::X]);
1293 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1295 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1296 viewbox.dimensions()[NR::Y],
1297 0.1 * viewbox.dimensions()[NR::Y],
1298 viewbox.dimensions()[NR::Y]);
1299 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1301 dtw->update = 0;
1302 }
1305 /*
1306 Local Variables:
1307 mode:c++
1308 c-file-style:"stroustrup"
1309 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1310 indent-tabs-mode:nil
1311 fill-column:99
1312 End:
1313 */
1314 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :