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 *
12 * Copyright (C) 2004 MenTaLguY
13 * Copyright (C) 1999-2002 Lauris Kaplinski
14 * Copyright (C) 2000-2001 Ximian, Inc.
15 *
16 * Released under GNU GPL, read the file 'COPYING' for more information
17 */
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #endif
23 #include <gtkmm/paned.h>
24 #include <gtk/gtk.h>
26 #include "macros.h"
27 #include "inkscape-private.h"
28 #include "desktop-handles.h"
29 #include "desktop-events.h"
30 #include "document.h"
31 #include "desktop-widget.h"
32 #include "sp-namedview.h"
33 #include "interface.h"
34 #include "toolbox.h"
35 #include "prefs-utils.h"
36 #include "file.h"
37 #include "display/canvas-arena.h"
38 #include <extension/db.h>
39 #include "helper/units.h"
40 #include "widgets/button.h"
41 #include "widgets/ruler.h"
42 #include "widgets/widget-sizes.h"
43 #include "widgets/spw-utilities.h"
44 #include "widgets/spinbutton-events.h"
45 #include "widgets/layer-selector.h"
46 #include "ui/widget/selected-style.h"
47 #include "sp-item.h"
48 #include "dialogs/swatches.h"
49 #include "conn-avoid-ref.h"
51 #ifdef WITH_INKBOARD
52 #endif
56 enum {
57 ACTIVATE,
58 DEACTIVATE,
59 MODIFIED,
60 EVENT_CONTEXT_CHANGED,
61 LAST_SIGNAL
62 };
65 //---------------------------------------------------------------------
66 /* SPDesktopWidget */
68 static void sp_desktop_widget_class_init (SPDesktopWidgetClass *klass);
69 static void sp_desktop_widget_init (SPDesktopWidget *widget);
70 static void sp_desktop_widget_destroy (GtkObject *object);
72 static void sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation);
73 static void sp_desktop_widget_realize (GtkWidget *widget);
75 static gint sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw);
79 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
80 static void sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw);
82 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
83 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
84 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
85 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
86 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
87 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
88 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
89 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
90 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
91 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
92 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
93 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
94 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
96 SPViewWidgetClass *dtw_parent_class;
98 void
99 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
100 {
101 GtkLabel *sb=GTK_LABEL(this->select_status);
102 gtk_label_set_markup (sb, message ? message : "");
103 // FIXME: TODO: remove <b></b> before displaying as tooltip
104 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
105 }
107 NR::Point
108 SPDesktopWidget::window_get_pointer()
109 {
110 gint x,y;
111 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
112 return NR::Point(x,y);
113 }
115 /**
116 * Registers SPDesktopWidget class and returns its type number.
117 */
118 GtkType
119 sp_desktop_widget_get_type (void)
120 {
121 static GtkType type = 0;
122 if (!type) {
123 static const GtkTypeInfo info = {
124 "SPDesktopWidget",
125 sizeof (SPDesktopWidget),
126 sizeof (SPDesktopWidgetClass),
127 (GtkClassInitFunc) sp_desktop_widget_class_init,
128 (GtkObjectInitFunc) sp_desktop_widget_init,
129 NULL, NULL, NULL
130 };
131 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
132 }
133 return type;
134 }
136 /**
137 * SPDesktopWidget vtable initialization
138 */
139 static void
140 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
141 {
142 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
144 GtkObjectClass *object_class = (GtkObjectClass *) klass;
145 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
147 object_class->destroy = sp_desktop_widget_destroy;
149 widget_class->size_allocate = sp_desktop_widget_size_allocate;
150 widget_class->realize = sp_desktop_widget_realize;
151 }
153 /**
154 * Callback for SPDesktopWidget object initialization.
155 */
156 static void
157 sp_desktop_widget_init (SPDesktopWidget *dtw)
158 {
159 GtkWidget *widget;
160 GtkWidget *tbl;
162 GtkWidget *hbox;
163 GtkWidget *eventbox;
164 GtkStyle *style;
166 new (&dtw->modified_connection) sigc::connection();
168 widget = GTK_WIDGET (dtw);
170 dtw->window = 0;
172 dtw->desktop = NULL;
174 dtw->tt = gtk_tooltips_new ();
176 /* Main table */
177 dtw->vbox = gtk_vbox_new (FALSE, 0);
178 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
180 dtw->statusbar = gtk_hbox_new (FALSE, 0);
181 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
182 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
184 {
185 using Inkscape::UI::Dialogs::SwatchesPanel;
187 SwatchesPanel* swatches = new SwatchesPanel("embedded.swatches");
188 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
189 dtw->panels = GTK_WIDGET(swatches->gobj());
190 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
191 }
193 hbox = gtk_hbox_new (FALSE, 0);
194 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
195 gtk_widget_show (hbox);
197 dtw->aux_toolbox = sp_aux_toolbox_new ();
198 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
200 dtw->commands_toolbox = sp_commands_toolbox_new ();
201 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
203 dtw->tool_toolbox = sp_tool_toolbox_new ();
204 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
206 tbl = gtk_table_new (4, 3, FALSE);
207 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
209 /* Horizontal ruler */
210 eventbox = gtk_event_box_new ();
211 dtw->hruler = sp_hruler_new ();
212 dtw->hruler_box = eventbox;
213 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
214 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
215 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
216 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
217 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
218 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
219 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
221 /* Vertical ruler */
222 eventbox = gtk_event_box_new ();
223 dtw->vruler = sp_vruler_new ();
224 dtw->vruler_box = eventbox;
225 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
226 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
227 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
228 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
229 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
230 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
231 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
233 /* Horizontal scrollbar */
234 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
235 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
236 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
237 /* Vertical scrollbar and the sticky zoom button */
238 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
239 dtw->sticky_zoom = sp_button_new_from_data ( Inkscape::ICON_SIZE_DECORATION,
240 SP_BUTTON_TYPE_TOGGLE,
241 NULL,
242 "sticky_zoom",
243 _("Zoom drawing if window size changes"),
244 dtw->tt);
245 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
246 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
247 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
248 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
249 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
250 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
252 /* Canvas */
253 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
254 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
255 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
256 style->bg[GTK_STATE_NORMAL] = style->white;
257 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
258 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
259 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
260 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);
262 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
263 GtkHBox *ss_ = dtw->selected_style->gobj();
264 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
265 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
267 // connect scrollbar signals
268 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
269 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
271 GtkWidget *statusbar_tail=gtk_statusbar_new();
272 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
273 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
275 // zoom status spinbutton
276 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);
277 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
278 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
279 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
280 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
281 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
282 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
283 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
284 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
285 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
286 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
287 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
288 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
290 // cursor coordinates
291 dtw->coord_status = gtk_table_new (5, 2, FALSE);
292 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
293 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
294 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
295 eventbox = gtk_event_box_new ();
296 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
297 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
298 GtkWidget *label_x = gtk_label_new("X:");
299 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
300 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
301 GtkWidget *label_y = gtk_label_new("Y:");
302 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
303 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
304 dtw->coord_status_x = gtk_label_new("0.0");
305 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
306 dtw->coord_status_y = gtk_label_new("0.0");
307 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
308 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
309 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
310 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
311 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
312 sp_set_font_size_smaller (dtw->coord_status);
313 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
315 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
316 // FIXME: need to unreference on container destruction to avoid leak
317 dtw->layer_selector->reference();
318 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
319 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
321 dtw->select_status_eventbox = gtk_event_box_new ();
322 dtw->select_status = gtk_label_new (NULL);
323 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
324 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
325 #endif
326 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
327 gtk_widget_set_size_request (dtw->select_status, 1, -1);
328 // display the initial welcome message in the statusbar
329 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."));
330 // space label 2 pixels from left edge
331 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
332 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
333 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
335 gtk_widget_show_all (dtw->vbox);
336 }
338 /**
339 * Called before SPDesktopWidget destruction.
340 */
341 static void
342 sp_desktop_widget_destroy (GtkObject *object)
343 {
344 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
346 if (dtw->desktop) {
347 dtw->layer_selector->unreference();
348 inkscape_remove_desktop (dtw->desktop); // clears selection too
349 dtw->modified_connection.disconnect();
350 dtw->desktop->destroy();
351 Inkscape::GC::release (dtw->desktop);
352 dtw->desktop = NULL;
353 }
355 dtw->modified_connection.~connection();
357 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
358 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
359 }
360 }
363 /**
364 * Set the title in the desktop-window (if desktop has an own window).
365 *
366 * The title has form file name: desktop number - Inkscape.
367 * The desktop number is only shown if it's 2 or higher,
368 */
369 void
370 SPDesktopWidget::updateTitle(gchar const* uri)
371 {
372 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
373 if (window) {
374 gchar const *fname = ( TRUE
375 ? uri
376 : g_basename(uri) );
377 GString *name = g_string_new ("");
378 if (this->desktop->number > 1) {
379 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
380 } else {
381 g_string_printf (name, _("%s - Inkscape"), fname);
382 }
383 gtk_window_set_title (window, name->str);
384 g_string_free (name, TRUE);
385 }
386 }
388 /**
389 * Callback to allocate space for desktop widget.
390 */
391 static void
392 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
393 {
394 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
396 if ((allocation->x == widget->allocation.x) &&
397 (allocation->y == widget->allocation.y) &&
398 (allocation->width == widget->allocation.width) &&
399 (allocation->height == widget->allocation.height)) {
400 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
401 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
402 return;
403 }
405 if (GTK_WIDGET_REALIZED (widget)) {
406 NR::Rect const area = dtw->desktop->get_display_area();
407 double zoom = dtw->desktop->current_zoom();
409 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
410 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
411 }
413 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
414 /* Calculate zoom per pixel */
415 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
416 /* Find new visible area */
417 NR::Rect newarea = dtw->desktop->get_display_area();
418 /* Calculate adjusted zoom */
419 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
420 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
421 } else {
422 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
423 }
425 } else {
426 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
427 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
428 }
429 // this->size_allocate (widget, allocation);
430 }
431 }
433 /**
434 * Callback to realize desktop widget.
435 */
436 static void
437 sp_desktop_widget_realize (GtkWidget *widget)
438 {
440 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
442 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
443 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
445 NRRect d;
446 d.x0 = 0.0;
447 d.y0 = 0.0;
448 d.x1 = sp_document_width (dtw->desktop->doc());
449 d.y1 = sp_document_height (dtw->desktop->doc());
451 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
453 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
455 /* Listen on namedview modification */
456 // originally (prior to the sigc++ conversion) the signal was simply
457 // connected twice rather than disconnecting the first connection
458 dtw->modified_connection.disconnect();
459 dtw->modified_connection = dtw->desktop->namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
460 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
462 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
463 }
465 /**
466 * Callback to handle desktop widget event.
467 */
468 static gint
469 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
470 {
471 if (event->type == GDK_BUTTON_PRESS) {
472 // defocus any spinbuttons
473 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
474 }
476 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
477 if (event->button.state & GDK_SHIFT_MASK) {
478 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
479 } else {
480 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
481 }
482 }
484 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
485 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
486 } else {
487 // The keypress events need to be passed to desktop handler explicitly,
488 // because otherwise the event contexts only receive keypresses when the mouse cursor
489 // is over the canvas. This redirection is only done for keypresses and only if there's no
490 // current item on the canvas, because item events and all mouse events are caught
491 // and passed on by the canvas acetate (I think). --bb
492 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
493 return sp_desktop_root_handler (NULL, event, dtw->desktop);
494 }
495 }
497 return FALSE;
498 }
500 void
501 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
502 {
503 /* update active desktop indicator */
504 }
506 void
507 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
508 {
509 /* update inactive desktop indicator */
510 }
512 /**
513 * Shuts down the desktop object for the view being closed. It checks
514 * to see if the document has been edited, and if so prompts the user
515 * to save, discard, or cancel. Returns TRUE if the shutdown operation
516 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
517 */
518 bool
519 SPDesktopWidget::shutdown()
520 {
521 g_assert(desktop != NULL);
522 if (inkscape_is_sole_desktop_for_document(*desktop)) {
523 SPDocument *doc = desktop->doc();
524 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
525 GtkWidget *dialog;
527 dialog = gtk_message_dialog_new(
528 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
529 GTK_DIALOG_DESTROY_WITH_PARENT,
530 GTK_MESSAGE_WARNING,
531 GTK_BUTTONS_NONE,
532 "Document modified");
534 gchar *markup;
535 /** \todo
536 * FIXME !!! obviously this will have problems if the document
537 * name contains markup characters
538 */
539 markup = g_strdup_printf(
540 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
541 "If you close without saving, your changes will be discarded."),
542 SP_DOCUMENT_NAME(doc));
544 /** \todo
545 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
546 * (and actually even
547 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
548 * until then, we will have to be a little bit evil here and
549 * poke at GtkMessageDialog::label, which is private...
550 */
552 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
553 g_free(markup);
555 GtkWidget *close_button;
556 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
557 gtk_widget_show(close_button);
558 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
560 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
561 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
562 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
564 gint response;
565 response = gtk_dialog_run(GTK_DIALOG(dialog));
566 gtk_widget_destroy(dialog);
568 switch (response) {
569 case GTK_RESPONSE_YES:
570 sp_document_ref(doc);
571 if (sp_file_save_document(doc)) {
572 sp_document_unref(doc);
573 } else { // save dialog cancelled or save failed
574 sp_document_unref(doc);
575 return TRUE;
576 }
577 break;
578 case GTK_RESPONSE_NO:
579 break;
580 default: // cancel pressed, or dialog was closed
581 return TRUE;
582 break;
583 }
584 }
585 /* Code to check data loss */
586 bool allow_data_loss = FALSE;
587 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
588 GtkWidget *dialog;
590 dialog = gtk_message_dialog_new(
591 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
592 GTK_DIALOG_DESTROY_WITH_PARENT,
593 GTK_MESSAGE_WARNING,
594 GTK_BUTTONS_NONE,
595 "Document modified");
597 gchar *markup;
598 /** \todo
599 * FIXME !!! obviously this will have problems if the document
600 * name contains markup characters
601 */
602 markup = g_strdup_printf(
603 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
604 "Do you want to save this file in another format?"),
605 SP_DOCUMENT_NAME(doc),
606 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
608 /** \todo
609 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
610 * (and actually even
611 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
612 * until then, we will have to be a little bit evil here and
613 * poke at GtkMessageDialog::label, which is private...
614 */
616 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
617 g_free(markup);
619 GtkWidget *close_button;
620 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
621 gtk_widget_show(close_button);
622 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
624 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
625 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
626 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
628 gint response;
629 response = gtk_dialog_run(GTK_DIALOG(dialog));
630 gtk_widget_destroy(dialog);
632 switch (response) {
633 case GTK_RESPONSE_YES:
634 sp_document_ref(doc);
635 if (sp_file_save_dialog(doc)) {
636 sp_document_unref(doc);
637 } else { // save dialog cancelled or save failed
638 sp_document_unref(doc);
639 return TRUE;
640 }
641 break;
642 case GTK_RESPONSE_NO:
643 allow_data_loss = TRUE;
644 break;
645 default: // cancel pressed, or dialog was closed
646 return TRUE;
647 break;
648 }
649 }
650 }
652 return FALSE;
653 }
655 /**
656 * \pre this->desktop->main != 0
657 */
658 void
659 SPDesktopWidget::requestCanvasUpdate() {
660 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
661 }
663 void
664 SPDesktopWidget::setCoordinateStatus(NR::Point p)
665 {
666 gchar *cstr;
667 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
668 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
669 g_free(cstr);
670 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
671 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
672 g_free(cstr);
673 }
675 void
676 SPDesktopWidget::letZoomGrabFocus()
677 {
678 if (zoom_status)
679 gtk_widget_grab_focus (zoom_status);
680 }
682 void
683 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
684 {
685 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
686 if (window)
687 {
688 gtk_window_get_size (window, &w, &h);
689 gtk_window_get_position (window, &x, &y);
690 }
691 }
693 void
694 SPDesktopWidget::setWindowPosition (NR::Point p)
695 {
696 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
697 if (window)
698 {
699 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
700 }
701 }
703 void
704 SPDesktopWidget::setWindowSize (gint w, gint h)
705 {
706 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
707 if (window)
708 {
709 gtk_window_set_default_size (window, w, h);
710 gtk_window_reshow_with_initial_size (window);
711 }
712 }
714 /**
715 * \note transientizing does not work on windows; when you minimize a document
716 * and then open it back, only its transient emerges and you cannot access
717 * the document window.
718 */
719 void
720 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
721 {
722 #ifndef WIN32
723 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
724 if (w)
725 {
726 gtk_window_set_transient_for (GTK_WINDOW(p), w);
728 /*
729 * This enables "aggressive" transientization,
730 * i.e. dialogs always emerging on top when you switch documents. Note
731 * however that this breaks "click to raise" policy of a window
732 * manager because the switched-to document will be raised at once
733 * (so that its transients also could raise)
734 */
735 if (transient_policy == 2)
737 // without this, a transient window not always emerges on top
738 gtk_window_present (w);
739 }
740 #endif
741 }
743 void
744 SPDesktopWidget::presentWindow()
745 {
746 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
747 if (w)
748 gtk_window_present (w);
749 }
751 bool
752 SPDesktopWidget::warnDialog (gchar* text)
753 {
754 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
755 if (w)
756 {
757 GtkWidget *dialog = gtk_message_dialog_new(
758 w,
759 GTK_DIALOG_DESTROY_WITH_PARENT,
760 GTK_MESSAGE_WARNING,
761 GTK_BUTTONS_YES_NO,
762 text);
763 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
764 gtk_widget_destroy(dialog);
765 if (response == GTK_RESPONSE_YES)
766 return true;
767 }
768 return false;
769 }
771 void
772 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
773 {
774 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
775 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
776 if (GTK_IS_WINDOW(topw)) {
777 if (dtw->desktop->is_fullscreen) {
778 dtw->desktop->is_fullscreen = FALSE;
779 gtk_window_unfullscreen(topw);
780 sp_desktop_widget_layout (dtw);
781 } else {
782 dtw->desktop->is_fullscreen = TRUE;
783 gtk_window_fullscreen(topw);
784 sp_desktop_widget_layout (dtw);
785 }
786 }
787 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
788 }
790 /**
791 * Hide whatever the user does not want to see in the window
792 */
793 void
794 sp_desktop_widget_layout (SPDesktopWidget *dtw)
795 {
796 bool fullscreen = dtw->desktop->is_fullscreen;
798 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
799 gtk_widget_hide_all (dtw->menubar);
800 } else {
801 gtk_widget_show_all (dtw->menubar);
802 }
804 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
805 gtk_widget_hide_all (dtw->commands_toolbox);
806 } else {
807 gtk_widget_show_all (dtw->commands_toolbox);
808 }
810 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
811 gtk_widget_hide_all (dtw->aux_toolbox);
812 } else {
813 // we cannot just show_all because that will show all tools' panels;
814 // this is a function from toolbox.cpp that shows only the current tool's panel
815 show_aux_toolbox (dtw->aux_toolbox);
816 }
818 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
819 gtk_widget_hide_all (dtw->tool_toolbox);
820 } else {
821 gtk_widget_show_all (dtw->tool_toolbox);
822 }
824 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
825 gtk_widget_hide_all (dtw->statusbar);
826 } else {
827 gtk_widget_show_all (dtw->statusbar);
828 }
830 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
831 gtk_widget_hide_all( dtw->panels );
832 } else {
833 gtk_widget_show_all( dtw->panels );
834 }
836 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
837 gtk_widget_hide_all (dtw->hscrollbar);
838 gtk_widget_hide_all (dtw->vscrollbar_box);
839 } else {
840 gtk_widget_show_all (dtw->hscrollbar);
841 gtk_widget_show_all (dtw->vscrollbar_box);
842 }
844 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
845 gtk_widget_hide_all (dtw->hruler);
846 gtk_widget_hide_all (dtw->vruler);
847 } else {
848 gtk_widget_show_all (dtw->hruler);
849 gtk_widget_show_all (dtw->vruler);
850 }
851 }
853 void
854 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
855 {
856 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
857 if (hb && GTK_IS_WIDGET(hb))
858 {
859 gtk_widget_grab_focus(GTK_WIDGET(hb));
860 }
861 }
863 void
864 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
865 {
866 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
867 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
868 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
869 gtk_adjustment_set_value (a, value);
870 }
871 }
873 bool
874 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
875 {
876 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
878 return gtk_toggle_button_get_active (b) != 0;
879 }
881 SPViewWidget *
882 sp_desktop_widget_new (SPNamedView *namedview)
883 {
884 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
886 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
887 dtw->ruler_origin = namedview->gridorigin;
889 dtw->desktop = new SPDesktop();
890 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
891 dtw->desktop->registerEditWidget (dtw->stub);
892 dtw->desktop->init (namedview, dtw->canvas);
893 inkscape_add_desktop (dtw->desktop);
895 // Add the shape geometry to libavoid for autorouting connectors.
896 // This needs desktop set for its spacing preferences.
897 init_avoided_shape_geometry(dtw->desktop);
899 dtw->selected_style->setDesktop(dtw->desktop);
901 /* Once desktop is set, we can update rulers */
902 sp_desktop_widget_update_rulers (dtw);
904 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
906 /* Listen on namedview modification */
907 dtw->modified_connection = namedview->connectModified(sigc::bind<2>(sigc::ptr_fun(&sp_desktop_widget_namedview_modified), dtw));
909 dtw->layer_selector->setDesktop(dtw->desktop);
911 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
912 gtk_widget_show_all (dtw->menubar);
913 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
915 sp_desktop_widget_layout (dtw);
917 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
918 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
919 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
921 return SP_VIEW_WIDGET (dtw);
922 }
924 void
925 SPDesktopWidget::viewSetPosition (NR::Point p)
926 {
927 NR::Point const origin = ( p - ruler_origin );
929 /// \todo fixme:
930 GTK_RULER(hruler)->position = origin[NR::X];
931 gtk_ruler_draw_pos (GTK_RULER (hruler));
932 GTK_RULER(vruler)->position = origin[NR::Y];
933 gtk_ruler_draw_pos (GTK_RULER (vruler));
934 }
936 void
937 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
938 {
939 NR::Rect const viewbox = dtw->canvas->getViewbox();
940 double const scale = dtw->desktop->current_zoom();
941 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
942 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
943 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
944 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
945 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
946 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
947 }
950 static void
951 sp_desktop_widget_namedview_modified (SPObject *obj, guint flags, SPDesktopWidget *dtw)
952 {
953 SPNamedView *nv=SP_NAMEDVIEW(obj);
954 if (flags & SP_OBJECT_MODIFIED_FLAG) {
955 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
956 dtw->ruler_origin = nv->gridorigin;
958 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
959 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
961 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
962 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
964 sp_desktop_widget_update_rulers (dtw);
965 }
966 }
968 static void
969 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
970 {
971 if (dtw->update)
972 return;
974 dtw->update = 1;
976 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
977 sp_desktop_widget_update_rulers (dtw);
979 dtw->update = 0;
980 }
982 /* we make the desktop window with focus active, signal is connected in interface.c */
984 gint
985 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
986 {
987 inkscape_activate_desktop (dtw->desktop);
989 /* give focus to canvas widget */
990 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
992 return FALSE;
993 }
995 static gdouble
996 sp_dtw_zoom_value_to_display (gdouble value)
997 {
998 return floor (pow (2, value) * 100.0 + 0.5);
999 }
1001 static gdouble
1002 sp_dtw_zoom_display_to_value (gdouble value)
1003 {
1004 return log (value / 100.0) / log (2);
1005 }
1007 static gint
1008 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1009 {
1010 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1011 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1012 gdouble new_typed = atof (b);
1014 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1015 *new_val = new_scrolled;
1016 } else { // the new value is typed in
1017 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1018 }
1020 return TRUE;
1021 }
1023 static bool
1024 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1025 {
1026 gchar b[64];
1027 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1028 gtk_entry_set_text (GTK_ENTRY (spin), b);
1029 return TRUE;
1030 }
1032 static void
1033 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1034 {
1035 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1037 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1038 SPDesktop *desktop = dtw->desktop;
1040 NR::Rect const d = desktop->get_display_area();
1041 g_signal_handler_block (spin, dtw->zoom_update);
1042 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1043 g_signal_handler_unblock (spin, dtw->zoom_update);
1045 spinbutton_defocus (GTK_OBJECT (spin));
1046 }
1048 static void
1049 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1050 {
1051 GList *children, *iter;
1052 GtkWidget *item;
1053 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1055 children = gtk_container_get_children (GTK_CONTAINER (menu));
1056 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1057 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1058 }
1059 g_list_free (children);
1061 item = gtk_menu_item_new_with_label ("200%");
1062 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1063 gtk_widget_show (item);
1064 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1065 item = gtk_menu_item_new_with_label ("100%");
1066 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1067 gtk_widget_show (item);
1068 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1069 item = gtk_menu_item_new_with_label ("50%");
1070 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1071 gtk_widget_show (item);
1072 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1074 item = gtk_separator_menu_item_new ();
1075 gtk_widget_show (item);
1076 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1078 item = gtk_menu_item_new_with_label (_("Page"));
1079 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1080 gtk_widget_show (item);
1081 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1082 item = gtk_menu_item_new_with_label (_("Drawing"));
1083 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1084 gtk_widget_show (item);
1085 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1086 item = gtk_menu_item_new_with_label (_("Selection"));
1087 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1088 gtk_widget_show (item);
1089 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1090 }
1092 static void
1093 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1094 {
1095 NR::Rect const d = dt->get_display_area();
1096 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1097 }
1099 static void
1100 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1101 {
1102 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1103 }
1105 static void
1106 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1107 {
1108 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1109 }
1111 static void
1112 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1113 {
1114 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1115 }
1117 static void
1118 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1119 {
1120 static_cast<SPDesktop*>(data)->zoom_page();
1121 }
1123 static void
1124 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1125 {
1126 static_cast<SPDesktop*>(data)->zoom_drawing();
1127 }
1129 static void
1130 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1131 {
1132 static_cast<SPDesktop*>(data)->zoom_selection();
1133 }
1137 void
1138 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1139 {
1140 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1141 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1142 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1143 }
1145 void
1146 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1147 {
1148 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1149 gtk_widget_hide_all (dtw->hruler);
1150 gtk_widget_hide_all (dtw->vruler);
1151 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1152 } else {
1153 gtk_widget_show_all (dtw->hruler);
1154 gtk_widget_show_all (dtw->vruler);
1155 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1156 }
1157 }
1159 void
1160 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1161 {
1162 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1163 gtk_widget_hide_all (dtw->hscrollbar);
1164 gtk_widget_hide_all (dtw->vscrollbar_box);
1165 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1166 } else {
1167 gtk_widget_show_all (dtw->hscrollbar);
1168 gtk_widget_show_all (dtw->vscrollbar_box);
1169 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1170 }
1171 }
1173 /* Unused
1174 void
1175 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1176 {
1177 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1178 gtk_widget_hide_all (dtw->menubar);
1179 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1180 } else {
1181 gtk_widget_show_all (dtw->menubar);
1182 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1183 }
1184 }
1185 */
1187 static void
1188 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1189 {
1190 if ((l != adj->lower) ||
1191 (u != adj->upper) ||
1192 (ps != adj->page_size) ||
1193 (si != adj->step_increment) ||
1194 (pi != adj->page_increment)) {
1195 adj->lower = l;
1196 adj->upper = u;
1197 adj->page_size = ps;
1198 adj->step_increment = si;
1199 adj->page_increment = pi;
1200 gtk_adjustment_changed (adj);
1201 }
1202 }
1204 void
1205 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1206 {
1207 if (!dtw) return;
1208 if (dtw->update) return;
1209 dtw->update = 1;
1211 /* The desktop region we always show unconditionally */
1212 SPDocument *doc = dtw->desktop->doc();
1213 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1214 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1215 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1216 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1217 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1219 /* Canvas region we always show unconditionally */
1220 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1221 darea.max()[NR::Y] * -scale - 64),
1222 NR::Point(darea.max()[NR::X] * scale + 64,
1223 darea.min()[NR::Y] * -scale + 64));
1225 NR::Rect viewbox = dtw->canvas->getViewbox();
1227 /* Viewbox is always included into scrollable region */
1228 carea = NR::Rect::union_bounds(carea, viewbox);
1230 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1231 viewbox.dimensions()[NR::X],
1232 0.1 * viewbox.dimensions()[NR::X],
1233 viewbox.dimensions()[NR::X]);
1234 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1236 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1237 viewbox.dimensions()[NR::Y],
1238 0.1 * viewbox.dimensions()[NR::Y],
1239 viewbox.dimensions()[NR::Y]);
1240 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1242 dtw->update = 0;
1243 }
1246 /*
1247 Local Variables:
1248 mode:c++
1249 c-file-style:"stroustrup"
1250 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1251 indent-tabs-mode:nil
1252 fill-column:99
1253 End:
1254 */
1255 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :