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;
162 GtkWidget *hbox;
163 GtkWidget *eventbox;
164 GtkStyle *style;
166 widget = GTK_WIDGET (dtw);
168 dtw->window = 0;
170 dtw->desktop = NULL;
172 dtw->tt = gtk_tooltips_new ();
174 /* Main table */
175 dtw->vbox = gtk_vbox_new (FALSE, 0);
176 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
178 dtw->statusbar = gtk_hbox_new (FALSE, 0);
179 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
180 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
182 {
183 using Inkscape::UI::Dialogs::SwatchesPanel;
185 SwatchesPanel* swatches = new SwatchesPanel();
186 swatches->setOrientation( Gtk::ANCHOR_SOUTH );
187 dtw->panels = GTK_WIDGET(swatches->gobj());
188 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
189 }
191 hbox = gtk_hbox_new (FALSE, 0);
192 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
193 gtk_widget_show (hbox);
195 dtw->aux_toolbox = sp_aux_toolbox_new ();
196 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
198 dtw->commands_toolbox = sp_commands_toolbox_new ();
199 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
201 dtw->tool_toolbox = sp_tool_toolbox_new ();
202 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
204 tbl = gtk_table_new (4, 3, FALSE);
205 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
207 /* Horizontal ruler */
208 eventbox = gtk_event_box_new ();
209 dtw->hruler = sp_hruler_new ();
210 dtw->hruler_box = eventbox;
211 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
212 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
213 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
214 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
215 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
216 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
217 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
219 /* Vertical ruler */
220 eventbox = gtk_event_box_new ();
221 dtw->vruler = sp_vruler_new ();
222 dtw->vruler_box = eventbox;
223 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
224 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
225 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
226 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
227 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
228 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
229 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
231 /* Horizontal scrollbar */
232 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
233 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
234 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
235 /* Vertical scrollbar and the sticky zoom button */
236 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
237 dtw->sticky_zoom = sp_button_new_from_data ( GTK_ICON_SIZE_MENU,
238 SP_BUTTON_TYPE_TOGGLE,
239 NULL,
240 "sticky_zoom",
241 _("Zoom drawing if window size changes"),
242 dtw->tt);
243 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
244 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
245 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
246 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
247 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
248 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
250 /* Canvas */
251 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
252 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
253 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
254 style->bg[GTK_STATE_NORMAL] = style->white;
255 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
256 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
257 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
258 gtk_table_attach (GTK_TABLE (tbl), GTK_WIDGET (dtw->canvas), 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
260 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
261 GtkHBox *ss_ = dtw->selected_style->gobj();
262 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
263 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
265 // connect scrollbar signals
266 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
267 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
269 GtkWidget *statusbar_tail=gtk_statusbar_new();
270 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
271 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
273 // zoom status spinbutton
274 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);
275 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
276 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
277 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
278 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
279 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
280 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
281 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
282 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
283 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
284 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
285 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
286 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
288 // cursor coordinates
289 dtw->coord_status = gtk_table_new (5, 2, FALSE);
290 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
291 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
292 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
293 eventbox = gtk_event_box_new ();
294 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
295 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
296 GtkWidget *label_x = gtk_label_new("X:");
297 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
298 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
299 GtkWidget *label_y = gtk_label_new("Y:");
300 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
301 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
302 dtw->coord_status_x = gtk_label_new("0.0");
303 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
304 dtw->coord_status_y = gtk_label_new("0.0");
305 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
306 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
307 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
308 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
309 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
310 sp_set_font_size_smaller (dtw->coord_status);
311 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
313 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
314 // FIXME: need to unreference on container destruction to avoid leak
315 dtw->layer_selector->reference();
316 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
317 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
319 dtw->select_status_eventbox = gtk_event_box_new ();
320 dtw->select_status = gtk_label_new (NULL);
321 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
322 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
323 #endif
324 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
325 gtk_widget_set_size_request (dtw->select_status, 1, -1);
326 // display the initial welcome message in the statusbar
327 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."));
328 // space label 2 pixels from left edge
329 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
330 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
331 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
333 gtk_widget_show_all (dtw->vbox);
334 }
336 /**
337 * Called before SPDesktopWidget destruction.
338 */
339 static void
340 sp_desktop_widget_destroy (GtkObject *object)
341 {
342 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
344 if (dtw->desktop) {
345 dtw->layer_selector->unreference();
346 inkscape_remove_desktop (dtw->desktop); // clears selection too
347 sp_signal_disconnect_by_data (G_OBJECT (dtw->desktop->namedview), dtw);
348 dtw->desktop->destroy();
349 Inkscape::GC::release (dtw->desktop);
350 dtw->desktop = NULL;
351 }
353 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
354 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
355 }
356 }
359 /**
360 * Set the title in the desktop-window (if desktop has an own window).
361 *
362 * The title has form file name: desktop number - Inkscape.
363 * The desktop number is only shown if it's 2 or higher,
364 */
365 void
366 SPDesktopWidget::updateTitle(gchar const* uri)
367 {
368 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
369 if (window) {
370 gchar const *fname = ( TRUE
371 ? uri
372 : g_basename(uri) );
373 GString *name = g_string_new ("");
374 if (this->desktop->number > 1) {
375 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
376 } else {
377 g_string_printf (name, _("%s - Inkscape"), fname);
378 }
379 gtk_window_set_title (window, name->str);
380 g_string_free (name, TRUE);
381 }
382 }
384 /**
385 * Callback to allocate space for desktop widget.
386 */
387 static void
388 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
389 {
390 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
392 if ((allocation->x == widget->allocation.x) &&
393 (allocation->y == widget->allocation.y) &&
394 (allocation->width == widget->allocation.width) &&
395 (allocation->height == widget->allocation.height)) {
396 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
397 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
398 return;
399 }
401 if (GTK_WIDGET_REALIZED (widget)) {
402 NR::Rect const area = dtw->desktop->get_display_area();
403 double zoom = dtw->desktop->current_zoom();
405 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
406 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
407 }
409 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
410 /* Calculate zoom per pixel */
411 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
412 /* Find new visible area */
413 NR::Rect newarea = dtw->desktop->get_display_area();
414 /* Calculate adjusted zoom */
415 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
416 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
417 } else {
418 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
419 }
421 } else {
422 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
423 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
424 }
425 // this->size_allocate (widget, allocation);
426 }
427 }
429 /**
430 * Callback to realize desktop widget.
431 */
432 static void
433 sp_desktop_widget_realize (GtkWidget *widget)
434 {
436 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
438 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
439 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
441 NRRect d;
442 d.x0 = 0.0;
443 d.y0 = 0.0;
444 d.x1 = sp_document_width (dtw->desktop->doc());
445 d.y1 = sp_document_height (dtw->desktop->doc());
447 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
449 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
451 /* Listen on namedview modification */
452 g_signal_connect (G_OBJECT (dtw->desktop->namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
453 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
455 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
456 }
458 /**
459 * Callback to handle desktop widget event.
460 */
461 static gint
462 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
463 {
464 if (event->type == GDK_BUTTON_PRESS) {
465 // defocus any spinbuttons
466 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
467 }
469 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
470 if (event->button.state & GDK_SHIFT_MASK) {
471 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
472 } else {
473 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
474 }
475 }
477 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
478 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
479 } else {
480 // The keypress events need to be passed to desktop handler explicitly,
481 // because otherwise the event contexts only receive keypresses when the mouse cursor
482 // is over the canvas. This redirection is only done for keypresses and only if there's no
483 // current item on the canvas, because item events and all mouse events are caught
484 // and passed on by the canvas acetate (I think). --bb
485 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
486 return sp_desktop_root_handler (NULL, event, dtw->desktop);
487 }
488 }
490 return FALSE;
491 }
493 void
494 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
495 {
496 /* update active desktop indicator */
497 }
499 void
500 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
501 {
502 /* update inactive desktop indicator */
503 }
505 /**
506 * Shuts down the desktop object for the view being closed. It checks
507 * to see if the document has been edited, and if so prompts the user
508 * to save, discard, or cancel. Returns TRUE if the shutdown operation
509 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
510 */
511 bool
512 SPDesktopWidget::shutdown()
513 {
514 g_assert(desktop != NULL);
515 if (inkscape_is_sole_desktop_for_document(*desktop)) {
516 SPDocument *doc = desktop->doc();
517 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
518 GtkWidget *dialog;
520 dialog = gtk_message_dialog_new(
521 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
522 GTK_DIALOG_DESTROY_WITH_PARENT,
523 GTK_MESSAGE_WARNING,
524 GTK_BUTTONS_NONE,
525 "Document modified");
527 gchar *markup;
528 /** \todo
529 * FIXME !!! obviously this will have problems if the document
530 * name contains markup characters
531 */
532 markup = g_strdup_printf(
533 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
534 "If you close without saving, your changes will be discarded."),
535 SP_DOCUMENT_NAME(doc));
537 /** \todo
538 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
539 * (and actually even
540 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
541 * until then, we will have to be a little bit evil here and
542 * poke at GtkMessageDialog::label, which is private...
543 */
545 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
546 g_free(markup);
548 GtkWidget *close_button;
549 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
550 gtk_widget_show(close_button);
551 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
553 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
554 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
555 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
557 gint response;
558 response = gtk_dialog_run(GTK_DIALOG(dialog));
559 gtk_widget_destroy(dialog);
561 switch (response) {
562 case GTK_RESPONSE_YES:
563 sp_document_ref(doc);
564 if (sp_file_save_document(doc)) {
565 sp_document_unref(doc);
566 } else { // save dialog cancelled or save failed
567 sp_document_unref(doc);
568 return TRUE;
569 }
570 break;
571 case GTK_RESPONSE_NO:
572 break;
573 default: // cancel pressed, or dialog was closed
574 return TRUE;
575 break;
576 }
577 }
578 /* Code to check data loss */
579 bool allow_data_loss = FALSE;
580 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
581 GtkWidget *dialog;
583 dialog = gtk_message_dialog_new(
584 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
585 GTK_DIALOG_DESTROY_WITH_PARENT,
586 GTK_MESSAGE_WARNING,
587 GTK_BUTTONS_NONE,
588 "Document modified");
590 gchar *markup;
591 /** \todo
592 * FIXME !!! obviously this will have problems if the document
593 * name contains markup characters
594 */
595 markup = g_strdup_printf(
596 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
597 "Do you want to save this file in another format?"),
598 SP_DOCUMENT_NAME(doc),
599 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
601 /** \todo
602 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
603 * (and actually even
604 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
605 * until then, we will have to be a little bit evil here and
606 * poke at GtkMessageDialog::label, which is private...
607 */
609 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
610 g_free(markup);
612 GtkWidget *close_button;
613 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
614 gtk_widget_show(close_button);
615 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
617 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
618 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
619 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
621 gint response;
622 response = gtk_dialog_run(GTK_DIALOG(dialog));
623 gtk_widget_destroy(dialog);
625 switch (response) {
626 case GTK_RESPONSE_YES:
627 sp_document_ref(doc);
628 if (sp_file_save_dialog(doc)) {
629 sp_document_unref(doc);
630 } else { // save dialog cancelled or save failed
631 sp_document_unref(doc);
632 return TRUE;
633 }
634 break;
635 case GTK_RESPONSE_NO:
636 allow_data_loss = TRUE;
637 break;
638 default: // cancel pressed, or dialog was closed
639 return TRUE;
640 break;
641 }
642 }
643 }
645 return FALSE;
646 }
648 /**
649 * \pre this->desktop->main != 0
650 */
651 void
652 SPDesktopWidget::requestCanvasUpdate() {
653 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
654 }
656 void
657 SPDesktopWidget::setCoordinateStatus(NR::Point p)
658 {
659 gchar *cstr;
660 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
661 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
662 g_free(cstr);
663 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
664 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
665 g_free(cstr);
666 }
668 void
669 SPDesktopWidget::letZoomGrabFocus()
670 {
671 if (zoom_status)
672 gtk_widget_grab_focus (zoom_status);
673 }
675 void
676 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
677 {
678 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
679 if (window)
680 {
681 gtk_window_get_size (window, &w, &h);
682 gtk_window_get_position (window, &x, &y);
683 }
684 }
686 void
687 SPDesktopWidget::setWindowPosition (NR::Point p)
688 {
689 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
690 if (window)
691 {
692 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
693 }
694 }
696 void
697 SPDesktopWidget::setWindowSize (gint w, gint h)
698 {
699 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
700 if (window)
701 {
702 gtk_window_set_default_size (window, w, h);
703 gtk_window_reshow_with_initial_size (window);
704 }
705 }
707 /**
708 * \note transientizing does not work on windows; when you minimize a document
709 * and then open it back, only its transient emerges and you cannot access
710 * the document window.
711 */
712 void
713 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
714 {
715 #ifndef WIN32
716 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
717 if (w)
718 {
719 gtk_window_set_transient_for (GTK_WINDOW(p), w);
721 /*
722 * This enables "aggressive" transientization,
723 * i.e. dialogs always emerging on top when you switch documents. Note
724 * however that this breaks "click to raise" policy of a window
725 * manager because the switched-to document will be raised at once
726 * (so that its transients also could raise)
727 */
728 if (transient_policy == 2)
730 // without this, a transient window not always emerges on top
731 gtk_window_present (w);
732 }
733 #endif
734 }
736 void
737 SPDesktopWidget::presentWindow()
738 {
739 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
740 if (w)
741 gtk_window_present (w);
742 }
744 bool
745 SPDesktopWidget::warnDialog (gchar* text)
746 {
747 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
748 if (w)
749 {
750 GtkWidget *dialog = gtk_message_dialog_new(
751 w,
752 GTK_DIALOG_DESTROY_WITH_PARENT,
753 GTK_MESSAGE_WARNING,
754 GTK_BUTTONS_YES_NO,
755 text);
756 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
757 gtk_widget_destroy(dialog);
758 if (response == GTK_RESPONSE_YES)
759 return true;
760 }
761 return false;
762 }
764 void
765 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
766 {
767 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
768 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
769 if (GTK_IS_WINDOW(topw)) {
770 if (dtw->desktop->is_fullscreen) {
771 dtw->desktop->is_fullscreen = FALSE;
772 gtk_window_unfullscreen(topw);
773 sp_desktop_widget_layout (dtw);
774 } else {
775 dtw->desktop->is_fullscreen = TRUE;
776 gtk_window_fullscreen(topw);
777 sp_desktop_widget_layout (dtw);
778 }
779 }
780 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
781 }
783 /**
784 * Hide whatever the user does not want to see in the window
785 */
786 void
787 sp_desktop_widget_layout (SPDesktopWidget *dtw)
788 {
789 bool fullscreen = dtw->desktop->is_fullscreen;
791 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
792 gtk_widget_hide_all (dtw->menubar);
793 } else {
794 gtk_widget_show_all (dtw->menubar);
795 }
797 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
798 gtk_widget_hide_all (dtw->commands_toolbox);
799 } else {
800 gtk_widget_show_all (dtw->commands_toolbox);
801 }
803 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
804 gtk_widget_hide_all (dtw->aux_toolbox);
805 } else {
806 // we cannot just show_all because that will show all tools' panels;
807 // this is a function from toolbox.cpp that shows only the current tool's panel
808 show_aux_toolbox (dtw->aux_toolbox);
809 }
811 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
812 gtk_widget_hide_all (dtw->tool_toolbox);
813 } else {
814 gtk_widget_show_all (dtw->tool_toolbox);
815 }
817 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
818 gtk_widget_hide_all (dtw->statusbar);
819 } else {
820 gtk_widget_show_all (dtw->statusbar);
821 }
823 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
824 gtk_widget_hide_all( dtw->panels );
825 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
826 if ( kids )
827 {
828 GList* last = g_list_last( kids );
829 if ( last )
830 {
831 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
832 gtk_statusbar_set_has_resize_grip( tail, TRUE );
833 }
834 g_list_free( kids );
835 }
836 } else {
837 gtk_widget_show_all( dtw->panels );
838 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
839 if ( kids )
840 {
841 GList* last = g_list_last( kids );
842 if ( last )
843 {
844 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
845 gtk_statusbar_set_has_resize_grip( tail, FALSE );
846 }
847 g_list_free( kids );
848 }
849 }
851 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
852 gtk_widget_hide_all (dtw->hscrollbar);
853 gtk_widget_hide_all (dtw->vscrollbar_box);
854 } else {
855 gtk_widget_show_all (dtw->hscrollbar);
856 gtk_widget_show_all (dtw->vscrollbar_box);
857 }
859 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
860 gtk_widget_hide_all (dtw->hruler);
861 gtk_widget_hide_all (dtw->vruler);
862 } else {
863 gtk_widget_show_all (dtw->hruler);
864 gtk_widget_show_all (dtw->vruler);
865 }
866 }
868 void
869 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
870 {
871 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
872 if (hb && GTK_IS_WIDGET(hb))
873 {
874 gtk_widget_grab_focus(GTK_WIDGET(hb));
875 }
876 }
878 void
879 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
880 {
881 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
882 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
883 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
884 gtk_adjustment_set_value (a, value);
885 }
886 }
888 bool
889 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
890 {
891 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
893 return gtk_toggle_button_get_active (b) != 0;
894 }
896 SPViewWidget *
897 sp_desktop_widget_new (SPNamedView *namedview)
898 {
899 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
901 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
902 dtw->ruler_origin = namedview->gridorigin;
904 dtw->desktop = new SPDesktop();
905 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
906 dtw->desktop->registerEditWidget (dtw->stub);
907 dtw->desktop->init (namedview, dtw->canvas);
908 inkscape_add_desktop (dtw->desktop);
910 // Add the shape geometry to libavoid for autorouting connectors.
911 // This needs desktop set for its spacing preferences.
912 init_avoided_shape_geometry(dtw->desktop);
914 dtw->selected_style->setDesktop(dtw->desktop);
916 /* Once desktop is set, we can update rulers */
917 sp_desktop_widget_update_rulers (dtw);
919 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
921 /* Listen on namedview modification */
922 g_signal_connect (G_OBJECT (namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
924 dtw->layer_selector->setDesktop(dtw->desktop);
926 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
927 gtk_widget_show_all (dtw->menubar);
928 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
930 sp_desktop_widget_layout (dtw);
932 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
933 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
934 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
936 return SP_VIEW_WIDGET (dtw);
937 }
939 void
940 SPDesktopWidget::viewSetPosition (NR::Point p)
941 {
942 NR::Point const origin = ( p - ruler_origin );
944 /// \todo fixme:
945 GTK_RULER(hruler)->position = origin[NR::X];
946 gtk_ruler_draw_pos (GTK_RULER (hruler));
947 GTK_RULER(vruler)->position = origin[NR::Y];
948 gtk_ruler_draw_pos (GTK_RULER (vruler));
949 }
951 void
952 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
953 {
954 NR::Rect const viewbox = dtw->canvas->getViewbox();
955 double const scale = dtw->desktop->current_zoom();
956 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
957 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
958 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
959 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
960 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
961 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
962 }
965 static void
966 sp_desktop_widget_namedview_modified (SPNamedView *nv, guint flags, SPDesktopWidget *dtw)
967 {
968 if (flags & SP_OBJECT_MODIFIED_FLAG) {
969 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
970 dtw->ruler_origin = nv->gridorigin;
972 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
973 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
975 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
976 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
978 sp_desktop_widget_update_rulers (dtw);
979 }
980 }
982 static void
983 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
984 {
985 if (dtw->update)
986 return;
988 dtw->update = 1;
990 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
991 sp_desktop_widget_update_rulers (dtw);
993 dtw->update = 0;
994 }
996 /* we make the desktop window with focus active, signal is connected in interface.c */
998 gint
999 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1000 {
1001 inkscape_activate_desktop (dtw->desktop);
1003 /* give focus to canvas widget */
1004 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1006 return FALSE;
1007 }
1009 static gdouble
1010 sp_dtw_zoom_value_to_display (gdouble value)
1011 {
1012 return floor (pow (2, value) * 100.0 + 0.5);
1013 }
1015 static gdouble
1016 sp_dtw_zoom_display_to_value (gdouble value)
1017 {
1018 return log (value / 100.0) / log (2);
1019 }
1021 static gint
1022 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1023 {
1024 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1025 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1026 gdouble new_typed = atof (b);
1028 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1029 *new_val = new_scrolled;
1030 } else { // the new value is typed in
1031 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1032 }
1034 return TRUE;
1035 }
1037 static bool
1038 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1039 {
1040 gchar b[64];
1041 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1042 gtk_entry_set_text (GTK_ENTRY (spin), b);
1043 return TRUE;
1044 }
1046 static void
1047 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1048 {
1049 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1051 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1052 SPDesktop *desktop = dtw->desktop;
1054 NR::Rect const d = desktop->get_display_area();
1055 g_signal_handler_block (spin, dtw->zoom_update);
1056 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1057 g_signal_handler_unblock (spin, dtw->zoom_update);
1059 spinbutton_defocus (GTK_OBJECT (spin));
1060 }
1062 static void
1063 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1064 {
1065 GList *children, *iter;
1066 GtkWidget *item;
1067 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1069 children = gtk_container_get_children (GTK_CONTAINER (menu));
1070 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1071 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1072 }
1073 g_list_free (children);
1075 item = gtk_menu_item_new_with_label ("200%");
1076 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1077 gtk_widget_show (item);
1078 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1079 item = gtk_menu_item_new_with_label ("100%");
1080 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1081 gtk_widget_show (item);
1082 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1083 item = gtk_menu_item_new_with_label ("50%");
1084 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1085 gtk_widget_show (item);
1086 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1088 item = gtk_separator_menu_item_new ();
1089 gtk_widget_show (item);
1090 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1092 item = gtk_menu_item_new_with_label (_("Page"));
1093 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1094 gtk_widget_show (item);
1095 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1096 item = gtk_menu_item_new_with_label (_("Drawing"));
1097 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1098 gtk_widget_show (item);
1099 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1100 item = gtk_menu_item_new_with_label (_("Selection"));
1101 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1102 gtk_widget_show (item);
1103 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1104 }
1106 static void
1107 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1108 {
1109 NR::Rect const d = dt->get_display_area();
1110 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1111 }
1113 static void
1114 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1115 {
1116 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1117 }
1119 static void
1120 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1121 {
1122 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1123 }
1125 static void
1126 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1127 {
1128 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1129 }
1131 static void
1132 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1133 {
1134 static_cast<SPDesktop*>(data)->zoom_page();
1135 }
1137 static void
1138 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1139 {
1140 static_cast<SPDesktop*>(data)->zoom_drawing();
1141 }
1143 static void
1144 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1145 {
1146 static_cast<SPDesktop*>(data)->zoom_selection();
1147 }
1151 void
1152 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1153 {
1154 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1155 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1156 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1157 }
1159 void
1160 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1161 {
1162 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1163 gtk_widget_hide_all (dtw->hruler);
1164 gtk_widget_hide_all (dtw->vruler);
1165 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1166 } else {
1167 gtk_widget_show_all (dtw->hruler);
1168 gtk_widget_show_all (dtw->vruler);
1169 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1170 }
1171 }
1173 void
1174 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1175 {
1176 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1177 gtk_widget_hide_all (dtw->hscrollbar);
1178 gtk_widget_hide_all (dtw->vscrollbar_box);
1179 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1180 } else {
1181 gtk_widget_show_all (dtw->hscrollbar);
1182 gtk_widget_show_all (dtw->vscrollbar_box);
1183 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1184 }
1185 }
1187 /* Unused
1188 void
1189 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1190 {
1191 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1192 gtk_widget_hide_all (dtw->menubar);
1193 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1194 } else {
1195 gtk_widget_show_all (dtw->menubar);
1196 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1197 }
1198 }
1199 */
1201 static void
1202 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1203 {
1204 if ((l != adj->lower) ||
1205 (u != adj->upper) ||
1206 (ps != adj->page_size) ||
1207 (si != adj->step_increment) ||
1208 (pi != adj->page_increment)) {
1209 adj->lower = l;
1210 adj->upper = u;
1211 adj->page_size = ps;
1212 adj->step_increment = si;
1213 adj->page_increment = pi;
1214 gtk_adjustment_changed (adj);
1215 }
1216 }
1218 void
1219 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1220 {
1221 if (!dtw) return;
1222 if (dtw->update) return;
1223 dtw->update = 1;
1225 /* The desktop region we always show unconditionally */
1226 SPDocument *doc = dtw->desktop->doc();
1227 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1228 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1229 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1230 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1231 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1233 /* Canvas region we always show unconditionally */
1234 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1235 darea.max()[NR::Y] * -scale - 64),
1236 NR::Point(darea.max()[NR::X] * scale + 64,
1237 darea.min()[NR::Y] * -scale + 64));
1239 NR::Rect viewbox = dtw->canvas->getViewbox();
1241 /* Viewbox is always included into scrollable region */
1242 carea = NR::Rect::union_bounds(carea, viewbox);
1244 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1245 viewbox.dimensions()[NR::X],
1246 0.1 * viewbox.dimensions()[NR::X],
1247 viewbox.dimensions()[NR::X]);
1248 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1250 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1251 viewbox.dimensions()[NR::Y],
1252 0.1 * viewbox.dimensions()[NR::Y],
1253 viewbox.dimensions()[NR::Y]);
1254 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1256 dtw->update = 0;
1257 }
1260 /*
1261 Local Variables:
1262 mode:c++
1263 c-file-style:"stroustrup"
1264 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1265 indent-tabs-mode:nil
1266 fill-column:99
1267 End:
1268 */
1269 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :