f9a8b8f62e1e9fe6fcf24c56bf7f27ec8e419f5c
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"
50 #ifdef WITH_INKBOARD
51 #endif
55 enum {
56 ACTIVATE,
57 DEACTIVATE,
58 MODIFIED,
59 EVENT_CONTEXT_CHANGED,
60 LAST_SIGNAL
61 };
64 //---------------------------------------------------------------------
65 /* SPDesktopWidget */
67 static void sp_desktop_widget_class_init (SPDesktopWidgetClass *klass);
68 static void sp_desktop_widget_init (SPDesktopWidget *widget);
69 static void sp_desktop_widget_destroy (GtkObject *object);
71 static void sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation);
72 static void sp_desktop_widget_realize (GtkWidget *widget);
74 static gint sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw);
78 static void sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw);
79 static void sp_desktop_widget_namedview_modified (SPNamedView *nv, guint flags, SPDesktopWidget *dtw);
81 static gdouble sp_dtw_zoom_value_to_display (gdouble value);
82 static gdouble sp_dtw_zoom_display_to_value (gdouble value);
83 static gint sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data);
84 static bool sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data);
85 static void sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data);
86 static void sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data);
87 static void sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor);
88 static void sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data);
89 static void sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data);
90 static void sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data);
91 static void sp_dtw_zoom_page (GtkMenuItem *item, gpointer data);
92 static void sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data);
93 static void sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data);
95 SPViewWidgetClass *dtw_parent_class;
97 void
98 SPDesktopWidget::setMessage (Inkscape::MessageType type, const gchar *message)
99 {
100 GtkLabel *sb=GTK_LABEL(this->select_status);
101 gtk_label_set_markup (sb, message ? message : "");
102 // FIXME: TODO: remove <b></b> before displaying as tooltip
103 gtk_tooltips_set_tip (this->tt, this->select_status_eventbox, message ? message : "", NULL);
104 }
106 NR::Point
107 SPDesktopWidget::window_get_pointer()
108 {
109 gint x,y;
110 gdk_window_get_pointer (GTK_WIDGET (canvas)->window, &x, &y, NULL);
111 return NR::Point(x,y);
112 }
114 /**
115 * Registers SPDesktopWidget class and returns its type number.
116 */
117 GtkType
118 sp_desktop_widget_get_type (void)
119 {
120 static GtkType type = 0;
121 if (!type) {
122 static const GtkTypeInfo info = {
123 "SPDesktopWidget",
124 sizeof (SPDesktopWidget),
125 sizeof (SPDesktopWidgetClass),
126 (GtkClassInitFunc) sp_desktop_widget_class_init,
127 (GtkObjectInitFunc) sp_desktop_widget_init,
128 NULL, NULL, NULL
129 };
130 type = gtk_type_unique (SP_TYPE_VIEW_WIDGET, &info);
131 }
132 return type;
133 }
135 /**
136 * SPDesktopWidget vtable initialization
137 */
138 static void
139 sp_desktop_widget_class_init (SPDesktopWidgetClass *klass)
140 {
141 dtw_parent_class = (SPViewWidgetClass*)gtk_type_class (SP_TYPE_VIEW_WIDGET);
143 GtkObjectClass *object_class = (GtkObjectClass *) klass;
144 GtkWidgetClass *widget_class = (GtkWidgetClass *) klass;
146 object_class->destroy = sp_desktop_widget_destroy;
148 widget_class->size_allocate = sp_desktop_widget_size_allocate;
149 widget_class->realize = sp_desktop_widget_realize;
150 }
152 /**
153 * Callback for SPDesktopWidget object initialization.
154 */
155 static void
156 sp_desktop_widget_init (SPDesktopWidget *dtw)
157 {
158 GtkWidget *widget;
159 GtkWidget *tbl;
160 GtkWidget *w;
162 GtkWidget *hbox;
163 GtkWidget *eventbox;
164 GtkStyle *style;
166 widget = GTK_WIDGET (dtw);
168 Gtk::VPaned* pane = manage( new Gtk::VPaned() );
169 pane->show_all();
171 dtw->window = 0;
173 dtw->desktop = NULL;
175 dtw->tt = gtk_tooltips_new ();
177 /* Main table */
178 dtw->vbox = gtk_vbox_new (FALSE, 0);
179 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(pane->gobj()) );
181 Gtk::VBox* tmp = Glib::wrap( GTK_VBOX(dtw->vbox) );
182 Gtk::VBox* boxWrap = manage( tmp );
183 pane->pack1( *boxWrap, true, true );
185 dtw->statusbar = gtk_hbox_new (FALSE, 0);
186 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
187 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
189 {
190 using Inkscape::UI::Dialogs::SwatchesPanel;
192 SwatchesPanel* swatches = manage( new SwatchesPanel() );
193 dtw->panels = GTK_WIDGET(swatches->gobj());
194 pane->pack2( *swatches, false, true );
195 }
197 hbox = gtk_hbox_new (FALSE, 0);
198 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
199 gtk_widget_show (hbox);
201 dtw->aux_toolbox = sp_aux_toolbox_new ();
202 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
204 dtw->commands_toolbox = sp_commands_toolbox_new ();
205 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
207 dtw->tool_toolbox = sp_tool_toolbox_new ();
208 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
210 tbl = gtk_table_new (4, 3, FALSE);
211 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
213 /* Horizontal ruler */
214 eventbox = gtk_event_box_new ();
215 dtw->hruler = sp_hruler_new ();
216 dtw->hruler_box = eventbox;
217 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
218 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
219 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
220 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
221 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
222 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
223 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
225 /* Vertical ruler */
226 eventbox = gtk_event_box_new ();
227 dtw->vruler = sp_vruler_new ();
228 dtw->vruler_box = eventbox;
229 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
230 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
231 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
232 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
233 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
234 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
235 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
237 /* Horizontal scrollbar */
238 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
239 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
240 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
241 /* Vertical scrollbar and the sticky zoom button */
242 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
243 dtw->sticky_zoom = sp_button_new_from_data ( GTK_ICON_SIZE_MENU,
244 SP_BUTTON_TYPE_TOGGLE,
245 NULL,
246 "sticky_zoom",
247 _("Zoom drawing if window size changes"),
248 dtw->tt);
249 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
250 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
251 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
252 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
253 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
254 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
256 /* Canvas */
257 w = gtk_frame_new (NULL);
258 gtk_table_attach (GTK_TABLE (tbl), w, 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
259 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
260 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
261 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
262 style->bg[GTK_STATE_NORMAL] = style->white;
263 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
264 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
265 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
266 gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (dtw->canvas));
268 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
269 GtkHBox *ss_ = dtw->selected_style->gobj();
270 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
271 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
273 // connect scrollbar signals
274 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
275 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
277 GtkWidget *statusbar_tail=gtk_statusbar_new();
278 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
279 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
281 // zoom status spinbutton
282 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);
283 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
284 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
285 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
286 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
287 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
288 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
289 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
290 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
291 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
292 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
293 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
294 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
296 // cursor coordinates
297 dtw->coord_status = gtk_table_new (5, 2, FALSE);
298 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
299 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
300 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
301 eventbox = gtk_event_box_new ();
302 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
303 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
304 GtkWidget *label_x = gtk_label_new("X:");
305 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
306 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
307 GtkWidget *label_y = gtk_label_new("Y:");
308 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
309 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
310 dtw->coord_status_x = gtk_label_new("0.0");
311 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
312 dtw->coord_status_y = gtk_label_new("0.0");
313 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
314 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
315 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
316 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
317 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
318 sp_set_font_size_smaller (dtw->coord_status);
319 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
321 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
322 // FIXME: need to unreference on container destruction to avoid leak
323 dtw->layer_selector->reference();
324 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
325 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
327 dtw->select_status_eventbox = gtk_event_box_new ();
328 dtw->select_status = gtk_label_new (NULL);
329 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
330 gtk_widget_set_size_request (dtw->select_status, 1, -1);
331 // display the initial welcome message in the statusbar
332 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."));
333 // space label 2 pixels from left edge
334 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
335 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
336 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
338 gtk_widget_show_all (dtw->vbox);
339 }
341 /**
342 * Called before SPDesktopWidget destruction.
343 */
344 static void
345 sp_desktop_widget_destroy (GtkObject *object)
346 {
347 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
349 if (dtw->desktop) {
350 dtw->layer_selector->unreference();
351 inkscape_remove_desktop (dtw->desktop); // clears selection too
352 sp_signal_disconnect_by_data (G_OBJECT (dtw->desktop->namedview), dtw);
353 dtw->desktop->destroy();
354 Inkscape::GC::release (dtw->desktop);
355 dtw->desktop = NULL;
356 }
358 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
359 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
360 }
361 }
364 /**
365 * Set the title in the desktop-window (if desktop has an own window).
366 *
367 * The title has form file name: desktop number - Inkscape.
368 * The desktop number is only shown if it's 2 or higher,
369 */
370 void
371 SPDesktopWidget::updateTitle(gchar const* uri)
372 {
373 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
374 if (window) {
375 gchar const *fname = ( TRUE
376 ? uri
377 : g_basename(uri) );
378 GString *name = g_string_new ("");
379 if (this->desktop->number > 1) {
380 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
381 } else {
382 g_string_printf (name, _("%s - Inkscape"), fname);
383 }
384 gtk_window_set_title (window, name->str);
385 g_string_free (name, TRUE);
386 }
387 }
389 /**
390 * Callback to allocate space for desktop widget.
391 */
392 static void
393 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
394 {
395 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
397 if ((allocation->x == widget->allocation.x) &&
398 (allocation->y == widget->allocation.y) &&
399 (allocation->width == widget->allocation.width) &&
400 (allocation->height == widget->allocation.height)) {
401 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
402 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
403 return;
404 }
406 if (GTK_WIDGET_REALIZED (widget)) {
407 NR::Rect const area = dtw->desktop->get_display_area();
408 double zoom = dtw->desktop->current_zoom();
410 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
411 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
412 }
414 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
415 /* Calculate zoom per pixel */
416 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
417 /* Find new visible area */
418 NR::Rect newarea = dtw->desktop->get_display_area();
419 /* Calculate adjusted zoom */
420 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
421 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
422 } else {
423 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
424 }
426 } else {
427 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
428 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
429 }
430 // this->size_allocate (widget, allocation);
431 }
432 }
434 /**
435 * Callback to realize desktop widget.
436 */
437 static void
438 sp_desktop_widget_realize (GtkWidget *widget)
439 {
441 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
443 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
444 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
446 NRRect d;
447 d.x0 = 0.0;
448 d.y0 = 0.0;
449 d.x1 = sp_document_width (dtw->desktop->doc());
450 d.y1 = sp_document_height (dtw->desktop->doc());
452 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
454 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
456 /* Listen on namedview modification */
457 g_signal_connect (G_OBJECT (dtw->desktop->namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
458 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
460 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
461 }
463 /**
464 * Callback to handle desktop widget event.
465 */
466 static gint
467 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
468 {
469 if (event->type == GDK_BUTTON_PRESS) {
470 // defocus any spinbuttons
471 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
472 }
474 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
475 if (event->button.state & GDK_SHIFT_MASK) {
476 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
477 } else {
478 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
479 }
480 }
482 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
483 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
484 } else {
485 // The keypress events need to be passed to desktop handler explicitly,
486 // because otherwise the event contexts only receive keypresses when the mouse cursor
487 // is over the canvas. This redirection is only done for keypresses and only if there's no
488 // current item on the canvas, because item events and all mouse events are caught
489 // and passed on by the canvas acetate (I think). --bb
490 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
491 return sp_desktop_root_handler (NULL, event, dtw->desktop);
492 }
493 }
495 return FALSE;
496 }
498 void
499 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
500 {
501 /* update active desktop indicator */
502 }
504 void
505 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
506 {
507 /* update inactive desktop indicator */
508 }
510 /**
511 * Shuts down the desktop object for the view being closed. It checks
512 * to see if the document has been edited, and if so prompts the user
513 * to save, discard, or cancel. Returns TRUE if the shutdown operation
514 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
515 */
516 bool
517 SPDesktopWidget::shutdown()
518 {
519 g_assert(desktop != NULL);
520 if (inkscape_is_sole_desktop_for_document(*desktop)) {
521 SPDocument *doc = desktop->doc();
522 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
523 GtkWidget *dialog;
525 dialog = gtk_message_dialog_new(
526 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
527 GTK_DIALOG_DESTROY_WITH_PARENT,
528 GTK_MESSAGE_WARNING,
529 GTK_BUTTONS_NONE,
530 "Document modified");
532 gchar *markup;
533 /** \todo
534 * FIXME !!! obviously this will have problems if the document
535 * name contains markup characters
536 */
537 markup = g_strdup_printf(
538 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
539 "If you close without saving, your changes will be discarded."),
540 SP_DOCUMENT_NAME(doc));
542 /** \todo
543 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
544 * (and actually even
545 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
546 * until then, we will have to be a little bit evil here and
547 * poke at GtkMessageDialog::label, which is private...
548 */
550 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
551 g_free(markup);
553 GtkWidget *close_button;
554 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
555 gtk_widget_show(close_button);
556 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
558 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
559 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
560 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
562 gint response;
563 response = gtk_dialog_run(GTK_DIALOG(dialog));
564 gtk_widget_destroy(dialog);
566 switch (response) {
567 case GTK_RESPONSE_YES:
568 sp_document_ref(doc);
569 if (sp_file_save_document(doc)) {
570 sp_document_unref(doc);
571 } else { // save dialog cancelled or save failed
572 sp_document_unref(doc);
573 return TRUE;
574 }
575 break;
576 case GTK_RESPONSE_NO:
577 break;
578 default: // cancel pressed, or dialog was closed
579 return TRUE;
580 break;
581 }
582 }
583 /* Code to check data loss */
584 bool allow_data_loss = FALSE;
585 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
586 GtkWidget *dialog;
588 dialog = gtk_message_dialog_new(
589 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
590 GTK_DIALOG_DESTROY_WITH_PARENT,
591 GTK_MESSAGE_WARNING,
592 GTK_BUTTONS_NONE,
593 "Document modified");
595 gchar *markup;
596 /** \todo
597 * FIXME !!! obviously this will have problems if the document
598 * name contains markup characters
599 */
600 markup = g_strdup_printf(
601 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
602 "Do you want to save this file in another format?"),
603 SP_DOCUMENT_NAME(doc),
604 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
606 /** \todo
607 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
608 * (and actually even
609 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
610 * until then, we will have to be a little bit evil here and
611 * poke at GtkMessageDialog::label, which is private...
612 */
614 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
615 g_free(markup);
617 GtkWidget *close_button;
618 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
619 gtk_widget_show(close_button);
620 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
622 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
623 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
624 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
626 gint response;
627 response = gtk_dialog_run(GTK_DIALOG(dialog));
628 gtk_widget_destroy(dialog);
630 switch (response) {
631 case GTK_RESPONSE_YES:
632 sp_document_ref(doc);
633 if (sp_file_save_dialog(doc)) {
634 sp_document_unref(doc);
635 } else { // save dialog cancelled or save failed
636 sp_document_unref(doc);
637 return TRUE;
638 }
639 break;
640 case GTK_RESPONSE_NO:
641 allow_data_loss = TRUE;
642 break;
643 default: // cancel pressed, or dialog was closed
644 return TRUE;
645 break;
646 }
647 }
648 }
650 return FALSE;
651 }
653 /**
654 * \pre this->desktop->main != 0
655 */
656 void
657 SPDesktopWidget::requestCanvasUpdate() {
658 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
659 }
661 void
662 SPDesktopWidget::setCoordinateStatus(NR::Point p)
663 {
664 gchar *cstr;
665 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
666 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
667 g_free(cstr);
668 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
669 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
670 g_free(cstr);
671 }
673 void
674 SPDesktopWidget::letZoomGrabFocus()
675 {
676 if (zoom_status)
677 gtk_widget_grab_focus (zoom_status);
678 }
680 void
681 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
682 {
683 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
684 if (window)
685 {
686 gtk_window_get_size (window, &w, &h);
687 gtk_window_get_position (window, &x, &y);
688 }
689 }
691 void
692 SPDesktopWidget::setWindowPosition (NR::Point p)
693 {
694 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
695 if (window)
696 {
697 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
698 }
699 }
701 void
702 SPDesktopWidget::setWindowSize (gint w, gint h)
703 {
704 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
705 if (window)
706 {
707 gtk_window_set_default_size (window, w, h);
708 gtk_window_reshow_with_initial_size (window);
709 }
710 }
712 /**
713 * \note transientizing does not work on windows; when you minimize a document
714 * and then open it back, only its transient emerges and you cannot access
715 * the document window.
716 */
717 void
718 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
719 {
720 #ifndef WIN32
721 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
722 if (w)
723 {
724 gtk_window_set_transient_for (GTK_WINDOW(p), w);
726 /*
727 * This enables "aggressive" transientization,
728 * i.e. dialogs always emerging on top when you switch documents. Note
729 * however that this breaks "click to raise" policy of a window
730 * manager because the switched-to document will be raised at once
731 * (so that its transients also could raise)
732 */
733 if (transient_policy == 2)
735 // without this, a transient window not always emerges on top
736 gtk_window_present (w);
737 }
738 #endif
739 }
741 void
742 SPDesktopWidget::presentWindow()
743 {
744 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
745 if (w)
746 gtk_window_present (w);
747 }
749 bool
750 SPDesktopWidget::warnDialog (gchar* text)
751 {
752 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
753 if (w)
754 {
755 GtkWidget *dialog = gtk_message_dialog_new(
756 w,
757 GTK_DIALOG_DESTROY_WITH_PARENT,
758 GTK_MESSAGE_WARNING,
759 GTK_BUTTONS_YES_NO,
760 text);
761 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
762 gtk_widget_destroy(dialog);
763 if (response == GTK_RESPONSE_YES)
764 return true;
765 }
766 return false;
767 }
769 void
770 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
771 {
772 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
773 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
774 if (GTK_IS_WINDOW(topw)) {
775 if (dtw->desktop->is_fullscreen) {
776 dtw->desktop->is_fullscreen = FALSE;
777 gtk_window_unfullscreen(topw);
778 sp_desktop_widget_layout (dtw);
779 } else {
780 dtw->desktop->is_fullscreen = TRUE;
781 gtk_window_fullscreen(topw);
782 sp_desktop_widget_layout (dtw);
783 }
784 }
785 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
786 }
788 /**
789 * Hide whatever the user does not want to see in the window
790 */
791 void
792 sp_desktop_widget_layout (SPDesktopWidget *dtw)
793 {
794 bool fullscreen = dtw->desktop->is_fullscreen;
796 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
797 gtk_widget_hide_all (dtw->menubar);
798 } else {
799 gtk_widget_show_all (dtw->menubar);
800 }
802 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
803 gtk_widget_hide_all (dtw->commands_toolbox);
804 } else {
805 gtk_widget_show_all (dtw->commands_toolbox);
806 }
808 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
809 gtk_widget_hide_all (dtw->aux_toolbox);
810 } else {
811 // we cannot just show_all because that will show all tools' panels;
812 // this is a function from toolbox.cpp that shows only the current tool's panel
813 show_aux_toolbox (dtw->aux_toolbox);
814 }
816 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
817 gtk_widget_hide_all (dtw->tool_toolbox);
818 } else {
819 gtk_widget_show_all (dtw->tool_toolbox);
820 }
822 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
823 gtk_widget_hide_all (dtw->statusbar);
824 } else {
825 gtk_widget_show_all (dtw->statusbar);
826 }
828 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
829 gtk_widget_hide_all( dtw->panels );
830 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
831 if ( kids )
832 {
833 GList* last = g_list_last( kids );
834 if ( last )
835 {
836 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
837 gtk_statusbar_set_has_resize_grip( tail, TRUE );
838 }
839 g_list_free( kids );
840 }
841 } else {
842 gtk_widget_show_all( dtw->panels );
843 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
844 if ( kids )
845 {
846 GList* last = g_list_last( kids );
847 if ( last )
848 {
849 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
850 gtk_statusbar_set_has_resize_grip( tail, FALSE );
851 }
852 g_list_free( kids );
853 }
854 }
856 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
857 gtk_widget_hide_all (dtw->hscrollbar);
858 gtk_widget_hide_all (dtw->vscrollbar_box);
859 } else {
860 gtk_widget_show_all (dtw->hscrollbar);
861 gtk_widget_show_all (dtw->vscrollbar_box);
862 }
864 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
865 gtk_widget_hide_all (dtw->hruler);
866 gtk_widget_hide_all (dtw->vruler);
867 } else {
868 gtk_widget_show_all (dtw->hruler);
869 gtk_widget_show_all (dtw->vruler);
870 }
871 }
873 void
874 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
875 {
876 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
877 if (hb && GTK_IS_WIDGET(hb))
878 {
879 gtk_widget_grab_focus(GTK_WIDGET(hb));
880 }
881 }
883 void
884 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
885 {
886 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
887 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
888 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
889 gtk_adjustment_set_value (a, value);
890 }
891 }
893 bool
894 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
895 {
896 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
898 return gtk_toggle_button_get_active (b) != 0;
899 }
901 SPViewWidget *
902 sp_desktop_widget_new (SPNamedView *namedview)
903 {
904 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
906 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
907 dtw->ruler_origin = namedview->gridorigin;
909 dtw->desktop = new SPDesktop();
910 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
911 dtw->desktop->registerEditWidget (dtw->stub);
912 dtw->desktop->init (namedview, dtw->canvas);
913 inkscape_add_desktop (dtw->desktop);
915 dtw->selected_style->setDesktop(dtw->desktop);
917 /* Once desktop is set, we can update rulers */
918 sp_desktop_widget_update_rulers (dtw);
920 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
922 /* Listen on namedview modification */
923 g_signal_connect (G_OBJECT (namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
925 dtw->layer_selector->setDesktop(dtw->desktop);
927 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
928 gtk_widget_show_all (dtw->menubar);
929 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
931 sp_desktop_widget_layout (dtw);
933 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
934 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
935 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
937 return SP_VIEW_WIDGET (dtw);
938 }
940 void
941 SPDesktopWidget::viewSetPosition (NR::Point p)
942 {
943 NR::Point const origin = ( p - ruler_origin );
945 /// \todo fixme:
946 GTK_RULER(hruler)->position = origin[NR::X];
947 gtk_ruler_draw_pos (GTK_RULER (hruler));
948 GTK_RULER(vruler)->position = origin[NR::Y];
949 gtk_ruler_draw_pos (GTK_RULER (vruler));
950 }
952 void
953 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
954 {
955 NR::Rect const viewbox = dtw->canvas->getViewbox();
956 double const scale = dtw->desktop->current_zoom();
957 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
958 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
959 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
960 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
961 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
962 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
963 }
966 static void
967 sp_desktop_widget_namedview_modified (SPNamedView *nv, guint flags, SPDesktopWidget *dtw)
968 {
969 if (flags & SP_OBJECT_MODIFIED_FLAG) {
970 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
971 dtw->ruler_origin = nv->gridorigin;
973 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
974 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
976 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
977 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
979 sp_desktop_widget_update_rulers (dtw);
980 }
981 }
983 static void
984 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
985 {
986 if (dtw->update)
987 return;
989 dtw->update = 1;
991 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
992 sp_desktop_widget_update_rulers (dtw);
994 dtw->update = 0;
995 }
997 /* we make the desktop window with focus active, signal is connected in interface.c */
999 gint
1000 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1001 {
1002 inkscape_activate_desktop (dtw->desktop);
1004 /* give focus to canvas widget */
1005 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1007 return FALSE;
1008 }
1010 static gdouble
1011 sp_dtw_zoom_value_to_display (gdouble value)
1012 {
1013 return floor (pow (2, value) * 100.0 + 0.5);
1014 }
1016 static gdouble
1017 sp_dtw_zoom_display_to_value (gdouble value)
1018 {
1019 return log (value / 100.0) / log (2);
1020 }
1022 static gint
1023 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1024 {
1025 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1026 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1027 gdouble new_typed = atof (b);
1029 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1030 *new_val = new_scrolled;
1031 } else { // the new value is typed in
1032 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1033 }
1035 return TRUE;
1036 }
1038 static bool
1039 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1040 {
1041 gchar b[64];
1042 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1043 gtk_entry_set_text (GTK_ENTRY (spin), b);
1044 return TRUE;
1045 }
1047 static void
1048 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1049 {
1050 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1052 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1053 SPDesktop *desktop = dtw->desktop;
1055 NR::Rect const d = desktop->get_display_area();
1056 g_signal_handler_block (spin, dtw->zoom_update);
1057 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1058 g_signal_handler_unblock (spin, dtw->zoom_update);
1060 spinbutton_defocus (GTK_OBJECT (spin));
1061 }
1063 static void
1064 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1065 {
1066 GList *children, *iter;
1067 GtkWidget *item;
1068 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1070 children = gtk_container_get_children (GTK_CONTAINER (menu));
1071 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1072 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1073 }
1074 g_list_free (children);
1076 item = gtk_menu_item_new_with_label ("200%");
1077 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1078 gtk_widget_show (item);
1079 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1080 item = gtk_menu_item_new_with_label ("100%");
1081 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1082 gtk_widget_show (item);
1083 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1084 item = gtk_menu_item_new_with_label ("50%");
1085 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1086 gtk_widget_show (item);
1087 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1089 item = gtk_separator_menu_item_new ();
1090 gtk_widget_show (item);
1091 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1093 item = gtk_menu_item_new_with_label (_("Page"));
1094 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1095 gtk_widget_show (item);
1096 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1097 item = gtk_menu_item_new_with_label (_("Drawing"));
1098 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1099 gtk_widget_show (item);
1100 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1101 item = gtk_menu_item_new_with_label (_("Selection"));
1102 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1103 gtk_widget_show (item);
1104 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1105 }
1107 static void
1108 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1109 {
1110 NR::Rect const d = dt->get_display_area();
1111 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1112 }
1114 static void
1115 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1116 {
1117 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1118 }
1120 static void
1121 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1122 {
1123 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1124 }
1126 static void
1127 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1128 {
1129 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1130 }
1132 static void
1133 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1134 {
1135 static_cast<SPDesktop*>(data)->zoom_page();
1136 }
1138 static void
1139 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1140 {
1141 static_cast<SPDesktop*>(data)->zoom_drawing();
1142 }
1144 static void
1145 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1146 {
1147 static_cast<SPDesktop*>(data)->zoom_selection();
1148 }
1152 void
1153 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1154 {
1155 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1156 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1157 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1158 }
1160 void
1161 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1162 {
1163 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1164 gtk_widget_hide_all (dtw->hruler);
1165 gtk_widget_hide_all (dtw->vruler);
1166 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1167 } else {
1168 gtk_widget_show_all (dtw->hruler);
1169 gtk_widget_show_all (dtw->vruler);
1170 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1171 }
1172 }
1174 void
1175 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1176 {
1177 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1178 gtk_widget_hide_all (dtw->hscrollbar);
1179 gtk_widget_hide_all (dtw->vscrollbar_box);
1180 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1181 } else {
1182 gtk_widget_show_all (dtw->hscrollbar);
1183 gtk_widget_show_all (dtw->vscrollbar_box);
1184 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1185 }
1186 }
1188 /* Unused
1189 void
1190 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1191 {
1192 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1193 gtk_widget_hide_all (dtw->menubar);
1194 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1195 } else {
1196 gtk_widget_show_all (dtw->menubar);
1197 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1198 }
1199 }
1200 */
1202 static void
1203 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1204 {
1205 if ((l != adj->lower) ||
1206 (u != adj->upper) ||
1207 (ps != adj->page_size) ||
1208 (si != adj->step_increment) ||
1209 (pi != adj->page_increment)) {
1210 adj->lower = l;
1211 adj->upper = u;
1212 adj->page_size = ps;
1213 adj->step_increment = si;
1214 adj->page_increment = pi;
1215 gtk_adjustment_changed (adj);
1216 }
1217 }
1219 void
1220 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1221 {
1222 if (!dtw) return;
1223 if (dtw->update) return;
1224 dtw->update = 1;
1226 /* The desktop region we always show unconditionally */
1227 SPDocument *doc = dtw->desktop->doc();
1228 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1229 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1230 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1231 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1232 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1234 /* Canvas region we always show unconditionally */
1235 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1236 darea.max()[NR::Y] * -scale - 64),
1237 NR::Point(darea.max()[NR::X] * scale + 64,
1238 darea.min()[NR::Y] * -scale + 64));
1240 NR::Rect viewbox = dtw->canvas->getViewbox();
1242 /* Viewbox is always included into scrollable region */
1243 carea = NR::Rect::union_bounds(carea, viewbox);
1245 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1246 viewbox.dimensions()[NR::X],
1247 0.1 * viewbox.dimensions()[NR::X],
1248 viewbox.dimensions()[NR::X]);
1249 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1251 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1252 viewbox.dimensions()[NR::Y],
1253 0.1 * viewbox.dimensions()[NR::Y],
1254 viewbox.dimensions()[NR::Y]);
1255 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1257 dtw->update = 0;
1258 }
1261 /*
1262 Local Variables:
1263 mode:c++
1264 c-file-style:"stroustrup"
1265 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1266 indent-tabs-mode:nil
1267 fill-column:99
1268 End:
1269 */
1270 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :