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 (SPNamedView *nv, 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;
161 GtkWidget *w;
163 GtkWidget *hbox;
164 GtkWidget *eventbox;
165 GtkStyle *style;
167 widget = GTK_WIDGET (dtw);
169 Gtk::VPaned* pane = manage( new Gtk::VPaned() );
170 pane->show_all();
172 dtw->window = 0;
174 dtw->desktop = NULL;
176 dtw->tt = gtk_tooltips_new ();
178 /* Main table */
179 dtw->vbox = gtk_vbox_new (FALSE, 0);
180 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(pane->gobj()) );
182 Gtk::VBox* tmp = Glib::wrap( GTK_VBOX(dtw->vbox) );
183 Gtk::VBox* boxWrap = manage( tmp );
184 pane->pack1( *boxWrap, true, true );
186 dtw->statusbar = gtk_hbox_new (FALSE, 0);
187 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
188 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
190 {
191 using Inkscape::UI::Dialogs::SwatchesPanel;
193 SwatchesPanel* swatches = manage( new SwatchesPanel() );
194 dtw->panels = GTK_WIDGET(swatches->gobj());
195 pane->pack2( *swatches, false, true );
196 }
198 hbox = gtk_hbox_new (FALSE, 0);
199 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
200 gtk_widget_show (hbox);
202 dtw->aux_toolbox = sp_aux_toolbox_new ();
203 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
205 dtw->commands_toolbox = sp_commands_toolbox_new ();
206 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
208 dtw->tool_toolbox = sp_tool_toolbox_new ();
209 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
211 tbl = gtk_table_new (4, 3, FALSE);
212 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
214 /* Horizontal ruler */
215 eventbox = gtk_event_box_new ();
216 dtw->hruler = sp_hruler_new ();
217 dtw->hruler_box = eventbox;
218 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
219 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
220 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
221 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
222 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
223 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
224 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
226 /* Vertical ruler */
227 eventbox = gtk_event_box_new ();
228 dtw->vruler = sp_vruler_new ();
229 dtw->vruler_box = eventbox;
230 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
231 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
232 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
233 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
234 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
235 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
236 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
238 /* Horizontal scrollbar */
239 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
240 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
241 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
242 /* Vertical scrollbar and the sticky zoom button */
243 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
244 dtw->sticky_zoom = sp_button_new_from_data ( GTK_ICON_SIZE_MENU,
245 SP_BUTTON_TYPE_TOGGLE,
246 NULL,
247 "sticky_zoom",
248 _("Zoom drawing if window size changes"),
249 dtw->tt);
250 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
251 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
252 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
253 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
254 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
255 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
257 /* Canvas */
258 w = gtk_frame_new (NULL);
259 gtk_table_attach (GTK_TABLE (tbl), w, 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
260 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
261 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
262 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
263 style->bg[GTK_STATE_NORMAL] = style->white;
264 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
265 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
266 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
267 gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (dtw->canvas));
269 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
270 GtkHBox *ss_ = dtw->selected_style->gobj();
271 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
272 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
274 // connect scrollbar signals
275 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
276 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
278 GtkWidget *statusbar_tail=gtk_statusbar_new();
279 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
280 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
282 // zoom status spinbutton
283 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);
284 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
285 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
286 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
287 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
288 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
289 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
290 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
291 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
292 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
293 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
294 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
295 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
297 // cursor coordinates
298 dtw->coord_status = gtk_table_new (5, 2, FALSE);
299 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
300 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
301 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
302 eventbox = gtk_event_box_new ();
303 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
304 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
305 GtkWidget *label_x = gtk_label_new("X:");
306 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
307 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
308 GtkWidget *label_y = gtk_label_new("Y:");
309 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
310 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
311 dtw->coord_status_x = gtk_label_new("0.0");
312 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
313 dtw->coord_status_y = gtk_label_new("0.0");
314 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
315 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
316 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
317 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
318 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
319 sp_set_font_size_smaller (dtw->coord_status);
320 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
322 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
323 // FIXME: need to unreference on container destruction to avoid leak
324 dtw->layer_selector->reference();
325 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
326 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
328 dtw->select_status_eventbox = gtk_event_box_new ();
329 dtw->select_status = gtk_label_new (NULL);
330 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
331 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
332 #endif
333 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
334 gtk_widget_set_size_request (dtw->select_status, 1, -1);
335 // display the initial welcome message in the statusbar
336 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."));
337 // space label 2 pixels from left edge
338 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
339 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
340 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
342 gtk_widget_show_all (dtw->vbox);
343 }
345 /**
346 * Called before SPDesktopWidget destruction.
347 */
348 static void
349 sp_desktop_widget_destroy (GtkObject *object)
350 {
351 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
353 if (dtw->desktop) {
354 dtw->layer_selector->unreference();
355 inkscape_remove_desktop (dtw->desktop); // clears selection too
356 sp_signal_disconnect_by_data (G_OBJECT (dtw->desktop->namedview), dtw);
357 dtw->desktop->destroy();
358 Inkscape::GC::release (dtw->desktop);
359 dtw->desktop = NULL;
360 }
362 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
363 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
364 }
365 }
368 /**
369 * Set the title in the desktop-window (if desktop has an own window).
370 *
371 * The title has form file name: desktop number - Inkscape.
372 * The desktop number is only shown if it's 2 or higher,
373 */
374 void
375 SPDesktopWidget::updateTitle(gchar const* uri)
376 {
377 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
378 if (window) {
379 gchar const *fname = ( TRUE
380 ? uri
381 : g_basename(uri) );
382 GString *name = g_string_new ("");
383 if (this->desktop->number > 1) {
384 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
385 } else {
386 g_string_printf (name, _("%s - Inkscape"), fname);
387 }
388 gtk_window_set_title (window, name->str);
389 g_string_free (name, TRUE);
390 }
391 }
393 /**
394 * Callback to allocate space for desktop widget.
395 */
396 static void
397 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
398 {
399 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
401 if ((allocation->x == widget->allocation.x) &&
402 (allocation->y == widget->allocation.y) &&
403 (allocation->width == widget->allocation.width) &&
404 (allocation->height == widget->allocation.height)) {
405 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
406 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
407 return;
408 }
410 if (GTK_WIDGET_REALIZED (widget)) {
411 NR::Rect const area = dtw->desktop->get_display_area();
412 double zoom = dtw->desktop->current_zoom();
414 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
415 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
416 }
418 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
419 /* Calculate zoom per pixel */
420 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
421 /* Find new visible area */
422 NR::Rect newarea = dtw->desktop->get_display_area();
423 /* Calculate adjusted zoom */
424 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
425 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
426 } else {
427 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
428 }
430 } else {
431 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
432 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
433 }
434 // this->size_allocate (widget, allocation);
435 }
436 }
438 /**
439 * Callback to realize desktop widget.
440 */
441 static void
442 sp_desktop_widget_realize (GtkWidget *widget)
443 {
445 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
447 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
448 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
450 NRRect d;
451 d.x0 = 0.0;
452 d.y0 = 0.0;
453 d.x1 = sp_document_width (dtw->desktop->doc());
454 d.y1 = sp_document_height (dtw->desktop->doc());
456 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
458 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
460 /* Listen on namedview modification */
461 g_signal_connect (G_OBJECT (dtw->desktop->namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
462 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
464 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
465 }
467 /**
468 * Callback to handle desktop widget event.
469 */
470 static gint
471 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
472 {
473 if (event->type == GDK_BUTTON_PRESS) {
474 // defocus any spinbuttons
475 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
476 }
478 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
479 if (event->button.state & GDK_SHIFT_MASK) {
480 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
481 } else {
482 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
483 }
484 }
486 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
487 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
488 } else {
489 // The keypress events need to be passed to desktop handler explicitly,
490 // because otherwise the event contexts only receive keypresses when the mouse cursor
491 // is over the canvas. This redirection is only done for keypresses and only if there's no
492 // current item on the canvas, because item events and all mouse events are caught
493 // and passed on by the canvas acetate (I think). --bb
494 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
495 return sp_desktop_root_handler (NULL, event, dtw->desktop);
496 }
497 }
499 return FALSE;
500 }
502 void
503 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
504 {
505 /* update active desktop indicator */
506 }
508 void
509 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
510 {
511 /* update inactive desktop indicator */
512 }
514 /**
515 * Shuts down the desktop object for the view being closed. It checks
516 * to see if the document has been edited, and if so prompts the user
517 * to save, discard, or cancel. Returns TRUE if the shutdown operation
518 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
519 */
520 bool
521 SPDesktopWidget::shutdown()
522 {
523 g_assert(desktop != NULL);
524 if (inkscape_is_sole_desktop_for_document(*desktop)) {
525 SPDocument *doc = desktop->doc();
526 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
527 GtkWidget *dialog;
529 dialog = gtk_message_dialog_new(
530 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
531 GTK_DIALOG_DESTROY_WITH_PARENT,
532 GTK_MESSAGE_WARNING,
533 GTK_BUTTONS_NONE,
534 "Document modified");
536 gchar *markup;
537 /** \todo
538 * FIXME !!! obviously this will have problems if the document
539 * name contains markup characters
540 */
541 markup = g_strdup_printf(
542 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
543 "If you close without saving, your changes will be discarded."),
544 SP_DOCUMENT_NAME(doc));
546 /** \todo
547 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
548 * (and actually even
549 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
550 * until then, we will have to be a little bit evil here and
551 * poke at GtkMessageDialog::label, which is private...
552 */
554 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
555 g_free(markup);
557 GtkWidget *close_button;
558 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
559 gtk_widget_show(close_button);
560 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
562 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
563 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
564 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
566 gint response;
567 response = gtk_dialog_run(GTK_DIALOG(dialog));
568 gtk_widget_destroy(dialog);
570 switch (response) {
571 case GTK_RESPONSE_YES:
572 sp_document_ref(doc);
573 if (sp_file_save_document(doc)) {
574 sp_document_unref(doc);
575 } else { // save dialog cancelled or save failed
576 sp_document_unref(doc);
577 return TRUE;
578 }
579 break;
580 case GTK_RESPONSE_NO:
581 break;
582 default: // cancel pressed, or dialog was closed
583 return TRUE;
584 break;
585 }
586 }
587 /* Code to check data loss */
588 bool allow_data_loss = FALSE;
589 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
590 GtkWidget *dialog;
592 dialog = gtk_message_dialog_new(
593 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
594 GTK_DIALOG_DESTROY_WITH_PARENT,
595 GTK_MESSAGE_WARNING,
596 GTK_BUTTONS_NONE,
597 "Document modified");
599 gchar *markup;
600 /** \todo
601 * FIXME !!! obviously this will have problems if the document
602 * name contains markup characters
603 */
604 markup = g_strdup_printf(
605 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
606 "Do you want to save this file in another format?"),
607 SP_DOCUMENT_NAME(doc),
608 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
610 /** \todo
611 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
612 * (and actually even
613 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
614 * until then, we will have to be a little bit evil here and
615 * poke at GtkMessageDialog::label, which is private...
616 */
618 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
619 g_free(markup);
621 GtkWidget *close_button;
622 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
623 gtk_widget_show(close_button);
624 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
626 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
627 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
628 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
630 gint response;
631 response = gtk_dialog_run(GTK_DIALOG(dialog));
632 gtk_widget_destroy(dialog);
634 switch (response) {
635 case GTK_RESPONSE_YES:
636 sp_document_ref(doc);
637 if (sp_file_save_dialog(doc)) {
638 sp_document_unref(doc);
639 } else { // save dialog cancelled or save failed
640 sp_document_unref(doc);
641 return TRUE;
642 }
643 break;
644 case GTK_RESPONSE_NO:
645 allow_data_loss = TRUE;
646 break;
647 default: // cancel pressed, or dialog was closed
648 return TRUE;
649 break;
650 }
651 }
652 }
654 return FALSE;
655 }
657 /**
658 * \pre this->desktop->main != 0
659 */
660 void
661 SPDesktopWidget::requestCanvasUpdate() {
662 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
663 }
665 void
666 SPDesktopWidget::setCoordinateStatus(NR::Point p)
667 {
668 gchar *cstr;
669 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
670 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
671 g_free(cstr);
672 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
673 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
674 g_free(cstr);
675 }
677 void
678 SPDesktopWidget::letZoomGrabFocus()
679 {
680 if (zoom_status)
681 gtk_widget_grab_focus (zoom_status);
682 }
684 void
685 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
686 {
687 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
688 if (window)
689 {
690 gtk_window_get_size (window, &w, &h);
691 gtk_window_get_position (window, &x, &y);
692 }
693 }
695 void
696 SPDesktopWidget::setWindowPosition (NR::Point p)
697 {
698 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
699 if (window)
700 {
701 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
702 }
703 }
705 void
706 SPDesktopWidget::setWindowSize (gint w, gint h)
707 {
708 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
709 if (window)
710 {
711 gtk_window_set_default_size (window, w, h);
712 gtk_window_reshow_with_initial_size (window);
713 }
714 }
716 /**
717 * \note transientizing does not work on windows; when you minimize a document
718 * and then open it back, only its transient emerges and you cannot access
719 * the document window.
720 */
721 void
722 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
723 {
724 #ifndef WIN32
725 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
726 if (w)
727 {
728 gtk_window_set_transient_for (GTK_WINDOW(p), w);
730 /*
731 * This enables "aggressive" transientization,
732 * i.e. dialogs always emerging on top when you switch documents. Note
733 * however that this breaks "click to raise" policy of a window
734 * manager because the switched-to document will be raised at once
735 * (so that its transients also could raise)
736 */
737 if (transient_policy == 2)
739 // without this, a transient window not always emerges on top
740 gtk_window_present (w);
741 }
742 #endif
743 }
745 void
746 SPDesktopWidget::presentWindow()
747 {
748 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
749 if (w)
750 gtk_window_present (w);
751 }
753 bool
754 SPDesktopWidget::warnDialog (gchar* text)
755 {
756 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
757 if (w)
758 {
759 GtkWidget *dialog = gtk_message_dialog_new(
760 w,
761 GTK_DIALOG_DESTROY_WITH_PARENT,
762 GTK_MESSAGE_WARNING,
763 GTK_BUTTONS_YES_NO,
764 text);
765 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
766 gtk_widget_destroy(dialog);
767 if (response == GTK_RESPONSE_YES)
768 return true;
769 }
770 return false;
771 }
773 void
774 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
775 {
776 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
777 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
778 if (GTK_IS_WINDOW(topw)) {
779 if (dtw->desktop->is_fullscreen) {
780 dtw->desktop->is_fullscreen = FALSE;
781 gtk_window_unfullscreen(topw);
782 sp_desktop_widget_layout (dtw);
783 } else {
784 dtw->desktop->is_fullscreen = TRUE;
785 gtk_window_fullscreen(topw);
786 sp_desktop_widget_layout (dtw);
787 }
788 }
789 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
790 }
792 /**
793 * Hide whatever the user does not want to see in the window
794 */
795 void
796 sp_desktop_widget_layout (SPDesktopWidget *dtw)
797 {
798 bool fullscreen = dtw->desktop->is_fullscreen;
800 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
801 gtk_widget_hide_all (dtw->menubar);
802 } else {
803 gtk_widget_show_all (dtw->menubar);
804 }
806 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
807 gtk_widget_hide_all (dtw->commands_toolbox);
808 } else {
809 gtk_widget_show_all (dtw->commands_toolbox);
810 }
812 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
813 gtk_widget_hide_all (dtw->aux_toolbox);
814 } else {
815 // we cannot just show_all because that will show all tools' panels;
816 // this is a function from toolbox.cpp that shows only the current tool's panel
817 show_aux_toolbox (dtw->aux_toolbox);
818 }
820 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
821 gtk_widget_hide_all (dtw->tool_toolbox);
822 } else {
823 gtk_widget_show_all (dtw->tool_toolbox);
824 }
826 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
827 gtk_widget_hide_all (dtw->statusbar);
828 } else {
829 gtk_widget_show_all (dtw->statusbar);
830 }
832 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
833 gtk_widget_hide_all( dtw->panels );
834 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
835 if ( kids )
836 {
837 GList* last = g_list_last( kids );
838 if ( last )
839 {
840 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
841 gtk_statusbar_set_has_resize_grip( tail, TRUE );
842 }
843 g_list_free( kids );
844 }
845 } else {
846 gtk_widget_show_all( dtw->panels );
847 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
848 if ( kids )
849 {
850 GList* last = g_list_last( kids );
851 if ( last )
852 {
853 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
854 gtk_statusbar_set_has_resize_grip( tail, FALSE );
855 }
856 g_list_free( kids );
857 }
858 }
860 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
861 gtk_widget_hide_all (dtw->hscrollbar);
862 gtk_widget_hide_all (dtw->vscrollbar_box);
863 } else {
864 gtk_widget_show_all (dtw->hscrollbar);
865 gtk_widget_show_all (dtw->vscrollbar_box);
866 }
868 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
869 gtk_widget_hide_all (dtw->hruler);
870 gtk_widget_hide_all (dtw->vruler);
871 } else {
872 gtk_widget_show_all (dtw->hruler);
873 gtk_widget_show_all (dtw->vruler);
874 }
875 }
877 void
878 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
879 {
880 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
881 if (hb && GTK_IS_WIDGET(hb))
882 {
883 gtk_widget_grab_focus(GTK_WIDGET(hb));
884 }
885 }
887 void
888 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
889 {
890 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
891 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
892 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
893 gtk_adjustment_set_value (a, value);
894 }
895 }
897 bool
898 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
899 {
900 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
902 return gtk_toggle_button_get_active (b) != 0;
903 }
905 SPViewWidget *
906 sp_desktop_widget_new (SPNamedView *namedview)
907 {
908 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
910 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
911 dtw->ruler_origin = namedview->gridorigin;
913 dtw->desktop = new SPDesktop();
914 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
915 dtw->desktop->registerEditWidget (dtw->stub);
916 dtw->desktop->init (namedview, dtw->canvas);
917 inkscape_add_desktop (dtw->desktop);
919 // Add the shape geometry to libavoid for autorouting connectors.
920 // This needs desktop set for its spacing preferences.
921 init_avoided_shape_geometry(dtw->desktop);
923 dtw->selected_style->setDesktop(dtw->desktop);
925 /* Once desktop is set, we can update rulers */
926 sp_desktop_widget_update_rulers (dtw);
928 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
930 /* Listen on namedview modification */
931 g_signal_connect (G_OBJECT (namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
933 dtw->layer_selector->setDesktop(dtw->desktop);
935 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
936 gtk_widget_show_all (dtw->menubar);
937 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
939 sp_desktop_widget_layout (dtw);
941 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
942 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
943 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
945 return SP_VIEW_WIDGET (dtw);
946 }
948 void
949 SPDesktopWidget::viewSetPosition (NR::Point p)
950 {
951 NR::Point const origin = ( p - ruler_origin );
953 /// \todo fixme:
954 GTK_RULER(hruler)->position = origin[NR::X];
955 gtk_ruler_draw_pos (GTK_RULER (hruler));
956 GTK_RULER(vruler)->position = origin[NR::Y];
957 gtk_ruler_draw_pos (GTK_RULER (vruler));
958 }
960 void
961 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
962 {
963 NR::Rect const viewbox = dtw->canvas->getViewbox();
964 double const scale = dtw->desktop->current_zoom();
965 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
966 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
967 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
968 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
969 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
970 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
971 }
974 static void
975 sp_desktop_widget_namedview_modified (SPNamedView *nv, guint flags, SPDesktopWidget *dtw)
976 {
977 if (flags & SP_OBJECT_MODIFIED_FLAG) {
978 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
979 dtw->ruler_origin = nv->gridorigin;
981 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
982 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
984 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
985 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
987 sp_desktop_widget_update_rulers (dtw);
988 }
989 }
991 static void
992 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
993 {
994 if (dtw->update)
995 return;
997 dtw->update = 1;
999 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
1000 sp_desktop_widget_update_rulers (dtw);
1002 dtw->update = 0;
1003 }
1005 /* we make the desktop window with focus active, signal is connected in interface.c */
1007 gint
1008 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1009 {
1010 inkscape_activate_desktop (dtw->desktop);
1012 /* give focus to canvas widget */
1013 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1015 return FALSE;
1016 }
1018 static gdouble
1019 sp_dtw_zoom_value_to_display (gdouble value)
1020 {
1021 return floor (pow (2, value) * 100.0 + 0.5);
1022 }
1024 static gdouble
1025 sp_dtw_zoom_display_to_value (gdouble value)
1026 {
1027 return log (value / 100.0) / log (2);
1028 }
1030 static gint
1031 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1032 {
1033 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1034 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1035 gdouble new_typed = atof (b);
1037 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1038 *new_val = new_scrolled;
1039 } else { // the new value is typed in
1040 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1041 }
1043 return TRUE;
1044 }
1046 static bool
1047 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1048 {
1049 gchar b[64];
1050 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1051 gtk_entry_set_text (GTK_ENTRY (spin), b);
1052 return TRUE;
1053 }
1055 static void
1056 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1057 {
1058 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1060 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1061 SPDesktop *desktop = dtw->desktop;
1063 NR::Rect const d = desktop->get_display_area();
1064 g_signal_handler_block (spin, dtw->zoom_update);
1065 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1066 g_signal_handler_unblock (spin, dtw->zoom_update);
1068 spinbutton_defocus (GTK_OBJECT (spin));
1069 }
1071 static void
1072 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1073 {
1074 GList *children, *iter;
1075 GtkWidget *item;
1076 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1078 children = gtk_container_get_children (GTK_CONTAINER (menu));
1079 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1080 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1081 }
1082 g_list_free (children);
1084 item = gtk_menu_item_new_with_label ("200%");
1085 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1086 gtk_widget_show (item);
1087 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1088 item = gtk_menu_item_new_with_label ("100%");
1089 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1090 gtk_widget_show (item);
1091 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1092 item = gtk_menu_item_new_with_label ("50%");
1093 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1094 gtk_widget_show (item);
1095 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1097 item = gtk_separator_menu_item_new ();
1098 gtk_widget_show (item);
1099 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1101 item = gtk_menu_item_new_with_label (_("Page"));
1102 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1103 gtk_widget_show (item);
1104 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1105 item = gtk_menu_item_new_with_label (_("Drawing"));
1106 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1107 gtk_widget_show (item);
1108 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1109 item = gtk_menu_item_new_with_label (_("Selection"));
1110 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1111 gtk_widget_show (item);
1112 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1113 }
1115 static void
1116 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1117 {
1118 NR::Rect const d = dt->get_display_area();
1119 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1120 }
1122 static void
1123 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1124 {
1125 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1126 }
1128 static void
1129 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1130 {
1131 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1132 }
1134 static void
1135 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1136 {
1137 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1138 }
1140 static void
1141 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1142 {
1143 static_cast<SPDesktop*>(data)->zoom_page();
1144 }
1146 static void
1147 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1148 {
1149 static_cast<SPDesktop*>(data)->zoom_drawing();
1150 }
1152 static void
1153 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1154 {
1155 static_cast<SPDesktop*>(data)->zoom_selection();
1156 }
1160 void
1161 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1162 {
1163 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1164 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1165 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1166 }
1168 void
1169 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1170 {
1171 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1172 gtk_widget_hide_all (dtw->hruler);
1173 gtk_widget_hide_all (dtw->vruler);
1174 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1175 } else {
1176 gtk_widget_show_all (dtw->hruler);
1177 gtk_widget_show_all (dtw->vruler);
1178 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1179 }
1180 }
1182 void
1183 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1184 {
1185 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1186 gtk_widget_hide_all (dtw->hscrollbar);
1187 gtk_widget_hide_all (dtw->vscrollbar_box);
1188 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1189 } else {
1190 gtk_widget_show_all (dtw->hscrollbar);
1191 gtk_widget_show_all (dtw->vscrollbar_box);
1192 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1193 }
1194 }
1196 /* Unused
1197 void
1198 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1199 {
1200 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1201 gtk_widget_hide_all (dtw->menubar);
1202 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1203 } else {
1204 gtk_widget_show_all (dtw->menubar);
1205 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1206 }
1207 }
1208 */
1210 static void
1211 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1212 {
1213 if ((l != adj->lower) ||
1214 (u != adj->upper) ||
1215 (ps != adj->page_size) ||
1216 (si != adj->step_increment) ||
1217 (pi != adj->page_increment)) {
1218 adj->lower = l;
1219 adj->upper = u;
1220 adj->page_size = ps;
1221 adj->step_increment = si;
1222 adj->page_increment = pi;
1223 gtk_adjustment_changed (adj);
1224 }
1225 }
1227 void
1228 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1229 {
1230 if (!dtw) return;
1231 if (dtw->update) return;
1232 dtw->update = 1;
1234 /* The desktop region we always show unconditionally */
1235 SPDocument *doc = dtw->desktop->doc();
1236 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1237 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1238 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1239 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1240 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1242 /* Canvas region we always show unconditionally */
1243 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1244 darea.max()[NR::Y] * -scale - 64),
1245 NR::Point(darea.max()[NR::X] * scale + 64,
1246 darea.min()[NR::Y] * -scale + 64));
1248 NR::Rect viewbox = dtw->canvas->getViewbox();
1250 /* Viewbox is always included into scrollable region */
1251 carea = NR::Rect::union_bounds(carea, viewbox);
1253 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1254 viewbox.dimensions()[NR::X],
1255 0.1 * viewbox.dimensions()[NR::X],
1256 viewbox.dimensions()[NR::X]);
1257 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1259 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1260 viewbox.dimensions()[NR::Y],
1261 0.1 * viewbox.dimensions()[NR::Y],
1262 viewbox.dimensions()[NR::Y]);
1263 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1265 dtw->update = 0;
1266 }
1269 /*
1270 Local Variables:
1271 mode:c++
1272 c-file-style:"stroustrup"
1273 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1274 indent-tabs-mode:nil
1275 fill-column:99
1276 End:
1277 */
1278 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :