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 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
331 gtk_widget_set_size_request (dtw->select_status, 1, -1);
332 // display the initial welcome message in the statusbar
333 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."));
334 // space label 2 pixels from left edge
335 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
336 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
337 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
339 gtk_widget_show_all (dtw->vbox);
340 }
342 /**
343 * Called before SPDesktopWidget destruction.
344 */
345 static void
346 sp_desktop_widget_destroy (GtkObject *object)
347 {
348 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
350 if (dtw->desktop) {
351 dtw->layer_selector->unreference();
352 inkscape_remove_desktop (dtw->desktop); // clears selection too
353 sp_signal_disconnect_by_data (G_OBJECT (dtw->desktop->namedview), dtw);
354 dtw->desktop->destroy();
355 Inkscape::GC::release (dtw->desktop);
356 dtw->desktop = NULL;
357 }
359 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
360 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
361 }
362 }
365 /**
366 * Set the title in the desktop-window (if desktop has an own window).
367 *
368 * The title has form file name: desktop number - Inkscape.
369 * The desktop number is only shown if it's 2 or higher,
370 */
371 void
372 SPDesktopWidget::updateTitle(gchar const* uri)
373 {
374 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
375 if (window) {
376 gchar const *fname = ( TRUE
377 ? uri
378 : g_basename(uri) );
379 GString *name = g_string_new ("");
380 if (this->desktop->number > 1) {
381 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
382 } else {
383 g_string_printf (name, _("%s - Inkscape"), fname);
384 }
385 gtk_window_set_title (window, name->str);
386 g_string_free (name, TRUE);
387 }
388 }
390 /**
391 * Callback to allocate space for desktop widget.
392 */
393 static void
394 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
395 {
396 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
398 if ((allocation->x == widget->allocation.x) &&
399 (allocation->y == widget->allocation.y) &&
400 (allocation->width == widget->allocation.width) &&
401 (allocation->height == widget->allocation.height)) {
402 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
403 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
404 return;
405 }
407 if (GTK_WIDGET_REALIZED (widget)) {
408 NR::Rect const area = dtw->desktop->get_display_area();
409 double zoom = dtw->desktop->current_zoom();
411 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
412 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
413 }
415 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
416 /* Calculate zoom per pixel */
417 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
418 /* Find new visible area */
419 NR::Rect newarea = dtw->desktop->get_display_area();
420 /* Calculate adjusted zoom */
421 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
422 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
423 } else {
424 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
425 }
427 } else {
428 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
429 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
430 }
431 // this->size_allocate (widget, allocation);
432 }
433 }
435 /**
436 * Callback to realize desktop widget.
437 */
438 static void
439 sp_desktop_widget_realize (GtkWidget *widget)
440 {
442 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
444 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
445 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
447 NRRect d;
448 d.x0 = 0.0;
449 d.y0 = 0.0;
450 d.x1 = sp_document_width (dtw->desktop->doc());
451 d.y1 = sp_document_height (dtw->desktop->doc());
453 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
455 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
457 /* Listen on namedview modification */
458 g_signal_connect (G_OBJECT (dtw->desktop->namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
459 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
461 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
462 }
464 /**
465 * Callback to handle desktop widget event.
466 */
467 static gint
468 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
469 {
470 if (event->type == GDK_BUTTON_PRESS) {
471 // defocus any spinbuttons
472 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
473 }
475 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
476 if (event->button.state & GDK_SHIFT_MASK) {
477 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
478 } else {
479 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
480 }
481 }
483 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
484 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
485 } else {
486 // The keypress events need to be passed to desktop handler explicitly,
487 // because otherwise the event contexts only receive keypresses when the mouse cursor
488 // is over the canvas. This redirection is only done for keypresses and only if there's no
489 // current item on the canvas, because item events and all mouse events are caught
490 // and passed on by the canvas acetate (I think). --bb
491 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
492 return sp_desktop_root_handler (NULL, event, dtw->desktop);
493 }
494 }
496 return FALSE;
497 }
499 void
500 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
501 {
502 /* update active desktop indicator */
503 }
505 void
506 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
507 {
508 /* update inactive desktop indicator */
509 }
511 /**
512 * Shuts down the desktop object for the view being closed. It checks
513 * to see if the document has been edited, and if so prompts the user
514 * to save, discard, or cancel. Returns TRUE if the shutdown operation
515 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
516 */
517 bool
518 SPDesktopWidget::shutdown()
519 {
520 g_assert(desktop != NULL);
521 if (inkscape_is_sole_desktop_for_document(*desktop)) {
522 SPDocument *doc = desktop->doc();
523 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
524 GtkWidget *dialog;
526 dialog = gtk_message_dialog_new(
527 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
528 GTK_DIALOG_DESTROY_WITH_PARENT,
529 GTK_MESSAGE_WARNING,
530 GTK_BUTTONS_NONE,
531 "Document modified");
533 gchar *markup;
534 /** \todo
535 * FIXME !!! obviously this will have problems if the document
536 * name contains markup characters
537 */
538 markup = g_strdup_printf(
539 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
540 "If you close without saving, your changes will be discarded."),
541 SP_DOCUMENT_NAME(doc));
543 /** \todo
544 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
545 * (and actually even
546 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
547 * until then, we will have to be a little bit evil here and
548 * poke at GtkMessageDialog::label, which is private...
549 */
551 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
552 g_free(markup);
554 GtkWidget *close_button;
555 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
556 gtk_widget_show(close_button);
557 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
559 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
560 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
561 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
563 gint response;
564 response = gtk_dialog_run(GTK_DIALOG(dialog));
565 gtk_widget_destroy(dialog);
567 switch (response) {
568 case GTK_RESPONSE_YES:
569 sp_document_ref(doc);
570 if (sp_file_save_document(doc)) {
571 sp_document_unref(doc);
572 } else { // save dialog cancelled or save failed
573 sp_document_unref(doc);
574 return TRUE;
575 }
576 break;
577 case GTK_RESPONSE_NO:
578 break;
579 default: // cancel pressed, or dialog was closed
580 return TRUE;
581 break;
582 }
583 }
584 /* Code to check data loss */
585 bool allow_data_loss = FALSE;
586 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
587 GtkWidget *dialog;
589 dialog = gtk_message_dialog_new(
590 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
591 GTK_DIALOG_DESTROY_WITH_PARENT,
592 GTK_MESSAGE_WARNING,
593 GTK_BUTTONS_NONE,
594 "Document modified");
596 gchar *markup;
597 /** \todo
598 * FIXME !!! obviously this will have problems if the document
599 * name contains markup characters
600 */
601 markup = g_strdup_printf(
602 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
603 "Do you want to save this file in another format?"),
604 SP_DOCUMENT_NAME(doc),
605 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
607 /** \todo
608 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
609 * (and actually even
610 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
611 * until then, we will have to be a little bit evil here and
612 * poke at GtkMessageDialog::label, which is private...
613 */
615 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
616 g_free(markup);
618 GtkWidget *close_button;
619 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
620 gtk_widget_show(close_button);
621 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
623 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
624 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
625 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
627 gint response;
628 response = gtk_dialog_run(GTK_DIALOG(dialog));
629 gtk_widget_destroy(dialog);
631 switch (response) {
632 case GTK_RESPONSE_YES:
633 sp_document_ref(doc);
634 if (sp_file_save_dialog(doc)) {
635 sp_document_unref(doc);
636 } else { // save dialog cancelled or save failed
637 sp_document_unref(doc);
638 return TRUE;
639 }
640 break;
641 case GTK_RESPONSE_NO:
642 allow_data_loss = TRUE;
643 break;
644 default: // cancel pressed, or dialog was closed
645 return TRUE;
646 break;
647 }
648 }
649 }
651 return FALSE;
652 }
654 /**
655 * \pre this->desktop->main != 0
656 */
657 void
658 SPDesktopWidget::requestCanvasUpdate() {
659 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
660 }
662 void
663 SPDesktopWidget::setCoordinateStatus(NR::Point p)
664 {
665 gchar *cstr;
666 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
667 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
668 g_free(cstr);
669 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
670 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
671 g_free(cstr);
672 }
674 void
675 SPDesktopWidget::letZoomGrabFocus()
676 {
677 if (zoom_status)
678 gtk_widget_grab_focus (zoom_status);
679 }
681 void
682 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
683 {
684 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
685 if (window)
686 {
687 gtk_window_get_size (window, &w, &h);
688 gtk_window_get_position (window, &x, &y);
689 }
690 }
692 void
693 SPDesktopWidget::setWindowPosition (NR::Point p)
694 {
695 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
696 if (window)
697 {
698 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
699 }
700 }
702 void
703 SPDesktopWidget::setWindowSize (gint w, gint h)
704 {
705 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
706 if (window)
707 {
708 gtk_window_set_default_size (window, w, h);
709 gtk_window_reshow_with_initial_size (window);
710 }
711 }
713 /**
714 * \note transientizing does not work on windows; when you minimize a document
715 * and then open it back, only its transient emerges and you cannot access
716 * the document window.
717 */
718 void
719 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
720 {
721 #ifndef WIN32
722 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
723 if (w)
724 {
725 gtk_window_set_transient_for (GTK_WINDOW(p), w);
727 /*
728 * This enables "aggressive" transientization,
729 * i.e. dialogs always emerging on top when you switch documents. Note
730 * however that this breaks "click to raise" policy of a window
731 * manager because the switched-to document will be raised at once
732 * (so that its transients also could raise)
733 */
734 if (transient_policy == 2)
736 // without this, a transient window not always emerges on top
737 gtk_window_present (w);
738 }
739 #endif
740 }
742 void
743 SPDesktopWidget::presentWindow()
744 {
745 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
746 if (w)
747 gtk_window_present (w);
748 }
750 bool
751 SPDesktopWidget::warnDialog (gchar* text)
752 {
753 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
754 if (w)
755 {
756 GtkWidget *dialog = gtk_message_dialog_new(
757 w,
758 GTK_DIALOG_DESTROY_WITH_PARENT,
759 GTK_MESSAGE_WARNING,
760 GTK_BUTTONS_YES_NO,
761 text);
762 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
763 gtk_widget_destroy(dialog);
764 if (response == GTK_RESPONSE_YES)
765 return true;
766 }
767 return false;
768 }
770 void
771 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
772 {
773 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
774 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
775 if (GTK_IS_WINDOW(topw)) {
776 if (dtw->desktop->is_fullscreen) {
777 dtw->desktop->is_fullscreen = FALSE;
778 gtk_window_unfullscreen(topw);
779 sp_desktop_widget_layout (dtw);
780 } else {
781 dtw->desktop->is_fullscreen = TRUE;
782 gtk_window_fullscreen(topw);
783 sp_desktop_widget_layout (dtw);
784 }
785 }
786 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
787 }
789 /**
790 * Hide whatever the user does not want to see in the window
791 */
792 void
793 sp_desktop_widget_layout (SPDesktopWidget *dtw)
794 {
795 bool fullscreen = dtw->desktop->is_fullscreen;
797 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
798 gtk_widget_hide_all (dtw->menubar);
799 } else {
800 gtk_widget_show_all (dtw->menubar);
801 }
803 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
804 gtk_widget_hide_all (dtw->commands_toolbox);
805 } else {
806 gtk_widget_show_all (dtw->commands_toolbox);
807 }
809 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
810 gtk_widget_hide_all (dtw->aux_toolbox);
811 } else {
812 // we cannot just show_all because that will show all tools' panels;
813 // this is a function from toolbox.cpp that shows only the current tool's panel
814 show_aux_toolbox (dtw->aux_toolbox);
815 }
817 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
818 gtk_widget_hide_all (dtw->tool_toolbox);
819 } else {
820 gtk_widget_show_all (dtw->tool_toolbox);
821 }
823 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
824 gtk_widget_hide_all (dtw->statusbar);
825 } else {
826 gtk_widget_show_all (dtw->statusbar);
827 }
829 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
830 gtk_widget_hide_all( dtw->panels );
831 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
832 if ( kids )
833 {
834 GList* last = g_list_last( kids );
835 if ( last )
836 {
837 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
838 gtk_statusbar_set_has_resize_grip( tail, TRUE );
839 }
840 g_list_free( kids );
841 }
842 } else {
843 gtk_widget_show_all( dtw->panels );
844 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
845 if ( kids )
846 {
847 GList* last = g_list_last( kids );
848 if ( last )
849 {
850 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
851 gtk_statusbar_set_has_resize_grip( tail, FALSE );
852 }
853 g_list_free( kids );
854 }
855 }
857 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
858 gtk_widget_hide_all (dtw->hscrollbar);
859 gtk_widget_hide_all (dtw->vscrollbar_box);
860 } else {
861 gtk_widget_show_all (dtw->hscrollbar);
862 gtk_widget_show_all (dtw->vscrollbar_box);
863 }
865 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
866 gtk_widget_hide_all (dtw->hruler);
867 gtk_widget_hide_all (dtw->vruler);
868 } else {
869 gtk_widget_show_all (dtw->hruler);
870 gtk_widget_show_all (dtw->vruler);
871 }
872 }
874 void
875 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
876 {
877 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
878 if (hb && GTK_IS_WIDGET(hb))
879 {
880 gtk_widget_grab_focus(GTK_WIDGET(hb));
881 }
882 }
884 void
885 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
886 {
887 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
888 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
889 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
890 gtk_adjustment_set_value (a, value);
891 }
892 }
894 bool
895 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
896 {
897 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
899 return gtk_toggle_button_get_active (b) != 0;
900 }
902 SPViewWidget *
903 sp_desktop_widget_new (SPNamedView *namedview)
904 {
905 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
907 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
908 dtw->ruler_origin = namedview->gridorigin;
910 dtw->desktop = new SPDesktop();
911 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
912 dtw->desktop->registerEditWidget (dtw->stub);
913 dtw->desktop->init (namedview, dtw->canvas);
914 inkscape_add_desktop (dtw->desktop);
916 // Add the shape geometry to libavoid for autorouting connectors.
917 // This needs desktop set for its spacing preferences.
918 init_avoided_shape_geometry(dtw->desktop);
920 dtw->selected_style->setDesktop(dtw->desktop);
922 /* Once desktop is set, we can update rulers */
923 sp_desktop_widget_update_rulers (dtw);
925 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
927 /* Listen on namedview modification */
928 g_signal_connect (G_OBJECT (namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
930 dtw->layer_selector->setDesktop(dtw->desktop);
932 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
933 gtk_widget_show_all (dtw->menubar);
934 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
936 sp_desktop_widget_layout (dtw);
938 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
939 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
940 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
942 return SP_VIEW_WIDGET (dtw);
943 }
945 void
946 SPDesktopWidget::viewSetPosition (NR::Point p)
947 {
948 NR::Point const origin = ( p - ruler_origin );
950 /// \todo fixme:
951 GTK_RULER(hruler)->position = origin[NR::X];
952 gtk_ruler_draw_pos (GTK_RULER (hruler));
953 GTK_RULER(vruler)->position = origin[NR::Y];
954 gtk_ruler_draw_pos (GTK_RULER (vruler));
955 }
957 void
958 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
959 {
960 NR::Rect const viewbox = dtw->canvas->getViewbox();
961 double const scale = dtw->desktop->current_zoom();
962 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
963 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
964 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
965 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
966 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
967 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
968 }
971 static void
972 sp_desktop_widget_namedview_modified (SPNamedView *nv, guint flags, SPDesktopWidget *dtw)
973 {
974 if (flags & SP_OBJECT_MODIFIED_FLAG) {
975 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
976 dtw->ruler_origin = nv->gridorigin;
978 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
979 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
981 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
982 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
984 sp_desktop_widget_update_rulers (dtw);
985 }
986 }
988 static void
989 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
990 {
991 if (dtw->update)
992 return;
994 dtw->update = 1;
996 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
997 sp_desktop_widget_update_rulers (dtw);
999 dtw->update = 0;
1000 }
1002 /* we make the desktop window with focus active, signal is connected in interface.c */
1004 gint
1005 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1006 {
1007 inkscape_activate_desktop (dtw->desktop);
1009 /* give focus to canvas widget */
1010 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1012 return FALSE;
1013 }
1015 static gdouble
1016 sp_dtw_zoom_value_to_display (gdouble value)
1017 {
1018 return floor (pow (2, value) * 100.0 + 0.5);
1019 }
1021 static gdouble
1022 sp_dtw_zoom_display_to_value (gdouble value)
1023 {
1024 return log (value / 100.0) / log (2);
1025 }
1027 static gint
1028 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1029 {
1030 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1031 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1032 gdouble new_typed = atof (b);
1034 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1035 *new_val = new_scrolled;
1036 } else { // the new value is typed in
1037 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1038 }
1040 return TRUE;
1041 }
1043 static bool
1044 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1045 {
1046 gchar b[64];
1047 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1048 gtk_entry_set_text (GTK_ENTRY (spin), b);
1049 return TRUE;
1050 }
1052 static void
1053 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1054 {
1055 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1057 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1058 SPDesktop *desktop = dtw->desktop;
1060 NR::Rect const d = desktop->get_display_area();
1061 g_signal_handler_block (spin, dtw->zoom_update);
1062 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1063 g_signal_handler_unblock (spin, dtw->zoom_update);
1065 spinbutton_defocus (GTK_OBJECT (spin));
1066 }
1068 static void
1069 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1070 {
1071 GList *children, *iter;
1072 GtkWidget *item;
1073 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1075 children = gtk_container_get_children (GTK_CONTAINER (menu));
1076 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1077 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1078 }
1079 g_list_free (children);
1081 item = gtk_menu_item_new_with_label ("200%");
1082 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1083 gtk_widget_show (item);
1084 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1085 item = gtk_menu_item_new_with_label ("100%");
1086 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1087 gtk_widget_show (item);
1088 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1089 item = gtk_menu_item_new_with_label ("50%");
1090 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1091 gtk_widget_show (item);
1092 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1094 item = gtk_separator_menu_item_new ();
1095 gtk_widget_show (item);
1096 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1098 item = gtk_menu_item_new_with_label (_("Page"));
1099 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1100 gtk_widget_show (item);
1101 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1102 item = gtk_menu_item_new_with_label (_("Drawing"));
1103 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1104 gtk_widget_show (item);
1105 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1106 item = gtk_menu_item_new_with_label (_("Selection"));
1107 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1108 gtk_widget_show (item);
1109 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1110 }
1112 static void
1113 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1114 {
1115 NR::Rect const d = dt->get_display_area();
1116 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1117 }
1119 static void
1120 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1121 {
1122 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1123 }
1125 static void
1126 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1127 {
1128 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1129 }
1131 static void
1132 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1133 {
1134 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1135 }
1137 static void
1138 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1139 {
1140 static_cast<SPDesktop*>(data)->zoom_page();
1141 }
1143 static void
1144 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1145 {
1146 static_cast<SPDesktop*>(data)->zoom_drawing();
1147 }
1149 static void
1150 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1151 {
1152 static_cast<SPDesktop*>(data)->zoom_selection();
1153 }
1157 void
1158 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1159 {
1160 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1161 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1162 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1163 }
1165 void
1166 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1167 {
1168 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1169 gtk_widget_hide_all (dtw->hruler);
1170 gtk_widget_hide_all (dtw->vruler);
1171 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1172 } else {
1173 gtk_widget_show_all (dtw->hruler);
1174 gtk_widget_show_all (dtw->vruler);
1175 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1176 }
1177 }
1179 void
1180 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1181 {
1182 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1183 gtk_widget_hide_all (dtw->hscrollbar);
1184 gtk_widget_hide_all (dtw->vscrollbar_box);
1185 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1186 } else {
1187 gtk_widget_show_all (dtw->hscrollbar);
1188 gtk_widget_show_all (dtw->vscrollbar_box);
1189 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1190 }
1191 }
1193 /* Unused
1194 void
1195 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1196 {
1197 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1198 gtk_widget_hide_all (dtw->menubar);
1199 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1200 } else {
1201 gtk_widget_show_all (dtw->menubar);
1202 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1203 }
1204 }
1205 */
1207 static void
1208 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1209 {
1210 if ((l != adj->lower) ||
1211 (u != adj->upper) ||
1212 (ps != adj->page_size) ||
1213 (si != adj->step_increment) ||
1214 (pi != adj->page_increment)) {
1215 adj->lower = l;
1216 adj->upper = u;
1217 adj->page_size = ps;
1218 adj->step_increment = si;
1219 adj->page_increment = pi;
1220 gtk_adjustment_changed (adj);
1221 }
1222 }
1224 void
1225 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1226 {
1227 if (!dtw) return;
1228 if (dtw->update) return;
1229 dtw->update = 1;
1231 /* The desktop region we always show unconditionally */
1232 SPDocument *doc = dtw->desktop->doc();
1233 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1234 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1235 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1236 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1237 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1239 /* Canvas region we always show unconditionally */
1240 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1241 darea.max()[NR::Y] * -scale - 64),
1242 NR::Point(darea.max()[NR::X] * scale + 64,
1243 darea.min()[NR::Y] * -scale + 64));
1245 NR::Rect viewbox = dtw->canvas->getViewbox();
1247 /* Viewbox is always included into scrollable region */
1248 carea = NR::Rect::union_bounds(carea, viewbox);
1250 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1251 viewbox.dimensions()[NR::X],
1252 0.1 * viewbox.dimensions()[NR::X],
1253 viewbox.dimensions()[NR::X]);
1254 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1256 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1257 viewbox.dimensions()[NR::Y],
1258 0.1 * viewbox.dimensions()[NR::Y],
1259 viewbox.dimensions()[NR::Y]);
1260 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1262 dtw->update = 0;
1263 }
1266 /*
1267 Local Variables:
1268 mode:c++
1269 c-file-style:"stroustrup"
1270 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1271 indent-tabs-mode:nil
1272 fill-column:99
1273 End:
1274 */
1275 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :