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 dtw->window = 0;
171 dtw->desktop = NULL;
173 dtw->tt = gtk_tooltips_new ();
175 /* Main table */
176 dtw->vbox = gtk_vbox_new (FALSE, 0);
177 gtk_container_add( GTK_CONTAINER(dtw), GTK_WIDGET(dtw->vbox) );
179 dtw->statusbar = gtk_hbox_new (FALSE, 0);
180 //gtk_widget_set_usize (dtw->statusbar, -1, BOTTOM_BAR_HEIGHT);
181 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->statusbar, FALSE, TRUE, 0);
183 {
184 using Inkscape::UI::Dialogs::SwatchesPanel;
186 SwatchesPanel* swatches = new SwatchesPanel();
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 w = gtk_frame_new (NULL);
252 gtk_table_attach (GTK_TABLE (tbl), w, 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
253 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
254 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
255 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
256 style->bg[GTK_STATE_NORMAL] = style->white;
257 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
258 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
259 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
260 gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (dtw->canvas));
262 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
263 GtkHBox *ss_ = dtw->selected_style->gobj();
264 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
265 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
267 // connect scrollbar signals
268 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
269 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
271 GtkWidget *statusbar_tail=gtk_statusbar_new();
272 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
273 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
275 // zoom status spinbutton
276 dtw->zoom_status = gtk_spin_button_new_with_range (log(SP_DESKTOP_ZOOM_MIN)/log(2), log(SP_DESKTOP_ZOOM_MAX)/log(2), 0.1);
277 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
278 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
279 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
280 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
281 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
282 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
283 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
284 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
285 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
286 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
287 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
288 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
290 // cursor coordinates
291 dtw->coord_status = gtk_table_new (5, 2, FALSE);
292 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
293 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
294 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
295 eventbox = gtk_event_box_new ();
296 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
297 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
298 GtkWidget *label_x = gtk_label_new("X:");
299 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
300 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
301 GtkWidget *label_y = gtk_label_new("Y:");
302 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
303 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
304 dtw->coord_status_x = gtk_label_new("0.0");
305 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
306 dtw->coord_status_y = gtk_label_new("0.0");
307 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
308 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
309 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
310 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
311 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
312 sp_set_font_size_smaller (dtw->coord_status);
313 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
315 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
316 // FIXME: need to unreference on container destruction to avoid leak
317 dtw->layer_selector->reference();
318 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
319 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
321 dtw->select_status_eventbox = gtk_event_box_new ();
322 dtw->select_status = gtk_label_new (NULL);
323 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
324 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
325 #endif
326 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
327 gtk_widget_set_size_request (dtw->select_status, 1, -1);
328 // display the initial welcome message in the statusbar
329 gtk_label_set_markup (GTK_LABEL (dtw->select_status), _("<b>Welcome to Inkscape!</b> Use shape or freehand tools to create objects; use selector (arrow) to move or transform them."));
330 // space label 2 pixels from left edge
331 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
332 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
333 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
335 gtk_widget_show_all (dtw->vbox);
336 }
338 /**
339 * Called before SPDesktopWidget destruction.
340 */
341 static void
342 sp_desktop_widget_destroy (GtkObject *object)
343 {
344 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
346 if (dtw->desktop) {
347 dtw->layer_selector->unreference();
348 inkscape_remove_desktop (dtw->desktop); // clears selection too
349 sp_signal_disconnect_by_data (G_OBJECT (dtw->desktop->namedview), dtw);
350 dtw->desktop->destroy();
351 Inkscape::GC::release (dtw->desktop);
352 dtw->desktop = NULL;
353 }
355 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
356 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
357 }
358 }
361 /**
362 * Set the title in the desktop-window (if desktop has an own window).
363 *
364 * The title has form file name: desktop number - Inkscape.
365 * The desktop number is only shown if it's 2 or higher,
366 */
367 void
368 SPDesktopWidget::updateTitle(gchar const* uri)
369 {
370 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
371 if (window) {
372 gchar const *fname = ( TRUE
373 ? uri
374 : g_basename(uri) );
375 GString *name = g_string_new ("");
376 if (this->desktop->number > 1) {
377 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
378 } else {
379 g_string_printf (name, _("%s - Inkscape"), fname);
380 }
381 gtk_window_set_title (window, name->str);
382 g_string_free (name, TRUE);
383 }
384 }
386 /**
387 * Callback to allocate space for desktop widget.
388 */
389 static void
390 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
391 {
392 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
394 if ((allocation->x == widget->allocation.x) &&
395 (allocation->y == widget->allocation.y) &&
396 (allocation->width == widget->allocation.width) &&
397 (allocation->height == widget->allocation.height)) {
398 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
399 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
400 return;
401 }
403 if (GTK_WIDGET_REALIZED (widget)) {
404 NR::Rect const area = dtw->desktop->get_display_area();
405 double zoom = dtw->desktop->current_zoom();
407 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
408 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
409 }
411 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
412 /* Calculate zoom per pixel */
413 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
414 /* Find new visible area */
415 NR::Rect newarea = dtw->desktop->get_display_area();
416 /* Calculate adjusted zoom */
417 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
418 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
419 } else {
420 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
421 }
423 } else {
424 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
425 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
426 }
427 // this->size_allocate (widget, allocation);
428 }
429 }
431 /**
432 * Callback to realize desktop widget.
433 */
434 static void
435 sp_desktop_widget_realize (GtkWidget *widget)
436 {
438 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
440 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
441 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
443 NRRect d;
444 d.x0 = 0.0;
445 d.y0 = 0.0;
446 d.x1 = sp_document_width (dtw->desktop->doc());
447 d.y1 = sp_document_height (dtw->desktop->doc());
449 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
451 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
453 /* Listen on namedview modification */
454 g_signal_connect (G_OBJECT (dtw->desktop->namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
455 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
457 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
458 }
460 /**
461 * Callback to handle desktop widget event.
462 */
463 static gint
464 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
465 {
466 if (event->type == GDK_BUTTON_PRESS) {
467 // defocus any spinbuttons
468 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
469 }
471 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
472 if (event->button.state & GDK_SHIFT_MASK) {
473 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
474 } else {
475 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
476 }
477 }
479 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
480 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
481 } else {
482 // The keypress events need to be passed to desktop handler explicitly,
483 // because otherwise the event contexts only receive keypresses when the mouse cursor
484 // is over the canvas. This redirection is only done for keypresses and only if there's no
485 // current item on the canvas, because item events and all mouse events are caught
486 // and passed on by the canvas acetate (I think). --bb
487 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
488 return sp_desktop_root_handler (NULL, event, dtw->desktop);
489 }
490 }
492 return FALSE;
493 }
495 void
496 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
497 {
498 /* update active desktop indicator */
499 }
501 void
502 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
503 {
504 /* update inactive desktop indicator */
505 }
507 /**
508 * Shuts down the desktop object for the view being closed. It checks
509 * to see if the document has been edited, and if so prompts the user
510 * to save, discard, or cancel. Returns TRUE if the shutdown operation
511 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
512 */
513 bool
514 SPDesktopWidget::shutdown()
515 {
516 g_assert(desktop != NULL);
517 if (inkscape_is_sole_desktop_for_document(*desktop)) {
518 SPDocument *doc = desktop->doc();
519 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
520 GtkWidget *dialog;
522 dialog = gtk_message_dialog_new(
523 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
524 GTK_DIALOG_DESTROY_WITH_PARENT,
525 GTK_MESSAGE_WARNING,
526 GTK_BUTTONS_NONE,
527 "Document modified");
529 gchar *markup;
530 /** \todo
531 * FIXME !!! obviously this will have problems if the document
532 * name contains markup characters
533 */
534 markup = g_strdup_printf(
535 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
536 "If you close without saving, your changes will be discarded."),
537 SP_DOCUMENT_NAME(doc));
539 /** \todo
540 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
541 * (and actually even
542 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
543 * until then, we will have to be a little bit evil here and
544 * poke at GtkMessageDialog::label, which is private...
545 */
547 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
548 g_free(markup);
550 GtkWidget *close_button;
551 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
552 gtk_widget_show(close_button);
553 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
555 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
556 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
557 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
559 gint response;
560 response = gtk_dialog_run(GTK_DIALOG(dialog));
561 gtk_widget_destroy(dialog);
563 switch (response) {
564 case GTK_RESPONSE_YES:
565 sp_document_ref(doc);
566 if (sp_file_save_document(doc)) {
567 sp_document_unref(doc);
568 } else { // save dialog cancelled or save failed
569 sp_document_unref(doc);
570 return TRUE;
571 }
572 break;
573 case GTK_RESPONSE_NO:
574 break;
575 default: // cancel pressed, or dialog was closed
576 return TRUE;
577 break;
578 }
579 }
580 /* Code to check data loss */
581 bool allow_data_loss = FALSE;
582 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
583 GtkWidget *dialog;
585 dialog = gtk_message_dialog_new(
586 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
587 GTK_DIALOG_DESTROY_WITH_PARENT,
588 GTK_MESSAGE_WARNING,
589 GTK_BUTTONS_NONE,
590 "Document modified");
592 gchar *markup;
593 /** \todo
594 * FIXME !!! obviously this will have problems if the document
595 * name contains markup characters
596 */
597 markup = g_strdup_printf(
598 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
599 "Do you want to save this file in another format?"),
600 SP_DOCUMENT_NAME(doc),
601 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
603 /** \todo
604 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
605 * (and actually even
606 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
607 * until then, we will have to be a little bit evil here and
608 * poke at GtkMessageDialog::label, which is private...
609 */
611 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
612 g_free(markup);
614 GtkWidget *close_button;
615 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
616 gtk_widget_show(close_button);
617 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
619 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
620 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
621 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
623 gint response;
624 response = gtk_dialog_run(GTK_DIALOG(dialog));
625 gtk_widget_destroy(dialog);
627 switch (response) {
628 case GTK_RESPONSE_YES:
629 sp_document_ref(doc);
630 if (sp_file_save_dialog(doc)) {
631 sp_document_unref(doc);
632 } else { // save dialog cancelled or save failed
633 sp_document_unref(doc);
634 return TRUE;
635 }
636 break;
637 case GTK_RESPONSE_NO:
638 allow_data_loss = TRUE;
639 break;
640 default: // cancel pressed, or dialog was closed
641 return TRUE;
642 break;
643 }
644 }
645 }
647 return FALSE;
648 }
650 /**
651 * \pre this->desktop->main != 0
652 */
653 void
654 SPDesktopWidget::requestCanvasUpdate() {
655 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
656 }
658 void
659 SPDesktopWidget::setCoordinateStatus(NR::Point p)
660 {
661 gchar *cstr;
662 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
663 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
664 g_free(cstr);
665 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
666 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
667 g_free(cstr);
668 }
670 void
671 SPDesktopWidget::letZoomGrabFocus()
672 {
673 if (zoom_status)
674 gtk_widget_grab_focus (zoom_status);
675 }
677 void
678 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
679 {
680 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
681 if (window)
682 {
683 gtk_window_get_size (window, &w, &h);
684 gtk_window_get_position (window, &x, &y);
685 }
686 }
688 void
689 SPDesktopWidget::setWindowPosition (NR::Point p)
690 {
691 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
692 if (window)
693 {
694 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
695 }
696 }
698 void
699 SPDesktopWidget::setWindowSize (gint w, gint h)
700 {
701 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
702 if (window)
703 {
704 gtk_window_set_default_size (window, w, h);
705 gtk_window_reshow_with_initial_size (window);
706 }
707 }
709 /**
710 * \note transientizing does not work on windows; when you minimize a document
711 * and then open it back, only its transient emerges and you cannot access
712 * the document window.
713 */
714 void
715 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
716 {
717 #ifndef WIN32
718 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
719 if (w)
720 {
721 gtk_window_set_transient_for (GTK_WINDOW(p), w);
723 /*
724 * This enables "aggressive" transientization,
725 * i.e. dialogs always emerging on top when you switch documents. Note
726 * however that this breaks "click to raise" policy of a window
727 * manager because the switched-to document will be raised at once
728 * (so that its transients also could raise)
729 */
730 if (transient_policy == 2)
732 // without this, a transient window not always emerges on top
733 gtk_window_present (w);
734 }
735 #endif
736 }
738 void
739 SPDesktopWidget::presentWindow()
740 {
741 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
742 if (w)
743 gtk_window_present (w);
744 }
746 bool
747 SPDesktopWidget::warnDialog (gchar* text)
748 {
749 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
750 if (w)
751 {
752 GtkWidget *dialog = gtk_message_dialog_new(
753 w,
754 GTK_DIALOG_DESTROY_WITH_PARENT,
755 GTK_MESSAGE_WARNING,
756 GTK_BUTTONS_YES_NO,
757 text);
758 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
759 gtk_widget_destroy(dialog);
760 if (response == GTK_RESPONSE_YES)
761 return true;
762 }
763 return false;
764 }
766 void
767 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
768 {
769 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
770 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
771 if (GTK_IS_WINDOW(topw)) {
772 if (dtw->desktop->is_fullscreen) {
773 dtw->desktop->is_fullscreen = FALSE;
774 gtk_window_unfullscreen(topw);
775 sp_desktop_widget_layout (dtw);
776 } else {
777 dtw->desktop->is_fullscreen = TRUE;
778 gtk_window_fullscreen(topw);
779 sp_desktop_widget_layout (dtw);
780 }
781 }
782 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
783 }
785 /**
786 * Hide whatever the user does not want to see in the window
787 */
788 void
789 sp_desktop_widget_layout (SPDesktopWidget *dtw)
790 {
791 bool fullscreen = dtw->desktop->is_fullscreen;
793 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
794 gtk_widget_hide_all (dtw->menubar);
795 } else {
796 gtk_widget_show_all (dtw->menubar);
797 }
799 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
800 gtk_widget_hide_all (dtw->commands_toolbox);
801 } else {
802 gtk_widget_show_all (dtw->commands_toolbox);
803 }
805 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
806 gtk_widget_hide_all (dtw->aux_toolbox);
807 } else {
808 // we cannot just show_all because that will show all tools' panels;
809 // this is a function from toolbox.cpp that shows only the current tool's panel
810 show_aux_toolbox (dtw->aux_toolbox);
811 }
813 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
814 gtk_widget_hide_all (dtw->tool_toolbox);
815 } else {
816 gtk_widget_show_all (dtw->tool_toolbox);
817 }
819 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
820 gtk_widget_hide_all (dtw->statusbar);
821 } else {
822 gtk_widget_show_all (dtw->statusbar);
823 }
825 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
826 gtk_widget_hide_all( dtw->panels );
827 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
828 if ( kids )
829 {
830 GList* last = g_list_last( kids );
831 if ( last )
832 {
833 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
834 gtk_statusbar_set_has_resize_grip( tail, TRUE );
835 }
836 g_list_free( kids );
837 }
838 } else {
839 gtk_widget_show_all( dtw->panels );
840 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
841 if ( kids )
842 {
843 GList* last = g_list_last( kids );
844 if ( last )
845 {
846 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
847 gtk_statusbar_set_has_resize_grip( tail, FALSE );
848 }
849 g_list_free( kids );
850 }
851 }
853 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
854 gtk_widget_hide_all (dtw->hscrollbar);
855 gtk_widget_hide_all (dtw->vscrollbar_box);
856 } else {
857 gtk_widget_show_all (dtw->hscrollbar);
858 gtk_widget_show_all (dtw->vscrollbar_box);
859 }
861 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
862 gtk_widget_hide_all (dtw->hruler);
863 gtk_widget_hide_all (dtw->vruler);
864 } else {
865 gtk_widget_show_all (dtw->hruler);
866 gtk_widget_show_all (dtw->vruler);
867 }
868 }
870 void
871 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
872 {
873 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
874 if (hb && GTK_IS_WIDGET(hb))
875 {
876 gtk_widget_grab_focus(GTK_WIDGET(hb));
877 }
878 }
880 void
881 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
882 {
883 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
884 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
885 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
886 gtk_adjustment_set_value (a, value);
887 }
888 }
890 bool
891 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
892 {
893 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
895 return gtk_toggle_button_get_active (b) != 0;
896 }
898 SPViewWidget *
899 sp_desktop_widget_new (SPNamedView *namedview)
900 {
901 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
903 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
904 dtw->ruler_origin = namedview->gridorigin;
906 dtw->desktop = new SPDesktop();
907 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
908 dtw->desktop->registerEditWidget (dtw->stub);
909 dtw->desktop->init (namedview, dtw->canvas);
910 inkscape_add_desktop (dtw->desktop);
912 // Add the shape geometry to libavoid for autorouting connectors.
913 // This needs desktop set for its spacing preferences.
914 init_avoided_shape_geometry(dtw->desktop);
916 dtw->selected_style->setDesktop(dtw->desktop);
918 /* Once desktop is set, we can update rulers */
919 sp_desktop_widget_update_rulers (dtw);
921 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
923 /* Listen on namedview modification */
924 g_signal_connect (G_OBJECT (namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
926 dtw->layer_selector->setDesktop(dtw->desktop);
928 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
929 gtk_widget_show_all (dtw->menubar);
930 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
932 sp_desktop_widget_layout (dtw);
934 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
935 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
936 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
938 return SP_VIEW_WIDGET (dtw);
939 }
941 void
942 SPDesktopWidget::viewSetPosition (NR::Point p)
943 {
944 NR::Point const origin = ( p - ruler_origin );
946 /// \todo fixme:
947 GTK_RULER(hruler)->position = origin[NR::X];
948 gtk_ruler_draw_pos (GTK_RULER (hruler));
949 GTK_RULER(vruler)->position = origin[NR::Y];
950 gtk_ruler_draw_pos (GTK_RULER (vruler));
951 }
953 void
954 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
955 {
956 NR::Rect const viewbox = dtw->canvas->getViewbox();
957 double const scale = dtw->desktop->current_zoom();
958 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
959 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
960 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
961 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
962 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
963 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
964 }
967 static void
968 sp_desktop_widget_namedview_modified (SPNamedView *nv, guint flags, SPDesktopWidget *dtw)
969 {
970 if (flags & SP_OBJECT_MODIFIED_FLAG) {
971 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
972 dtw->ruler_origin = nv->gridorigin;
974 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
975 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
977 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
978 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
980 sp_desktop_widget_update_rulers (dtw);
981 }
982 }
984 static void
985 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
986 {
987 if (dtw->update)
988 return;
990 dtw->update = 1;
992 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
993 sp_desktop_widget_update_rulers (dtw);
995 dtw->update = 0;
996 }
998 /* we make the desktop window with focus active, signal is connected in interface.c */
1000 gint
1001 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1002 {
1003 inkscape_activate_desktop (dtw->desktop);
1005 /* give focus to canvas widget */
1006 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1008 return FALSE;
1009 }
1011 static gdouble
1012 sp_dtw_zoom_value_to_display (gdouble value)
1013 {
1014 return floor (pow (2, value) * 100.0 + 0.5);
1015 }
1017 static gdouble
1018 sp_dtw_zoom_display_to_value (gdouble value)
1019 {
1020 return log (value / 100.0) / log (2);
1021 }
1023 static gint
1024 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1025 {
1026 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1027 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1028 gdouble new_typed = atof (b);
1030 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1031 *new_val = new_scrolled;
1032 } else { // the new value is typed in
1033 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1034 }
1036 return TRUE;
1037 }
1039 static bool
1040 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1041 {
1042 gchar b[64];
1043 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1044 gtk_entry_set_text (GTK_ENTRY (spin), b);
1045 return TRUE;
1046 }
1048 static void
1049 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1050 {
1051 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1053 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1054 SPDesktop *desktop = dtw->desktop;
1056 NR::Rect const d = desktop->get_display_area();
1057 g_signal_handler_block (spin, dtw->zoom_update);
1058 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1059 g_signal_handler_unblock (spin, dtw->zoom_update);
1061 spinbutton_defocus (GTK_OBJECT (spin));
1062 }
1064 static void
1065 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1066 {
1067 GList *children, *iter;
1068 GtkWidget *item;
1069 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1071 children = gtk_container_get_children (GTK_CONTAINER (menu));
1072 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1073 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1074 }
1075 g_list_free (children);
1077 item = gtk_menu_item_new_with_label ("200%");
1078 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1079 gtk_widget_show (item);
1080 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1081 item = gtk_menu_item_new_with_label ("100%");
1082 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1083 gtk_widget_show (item);
1084 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1085 item = gtk_menu_item_new_with_label ("50%");
1086 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1087 gtk_widget_show (item);
1088 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1090 item = gtk_separator_menu_item_new ();
1091 gtk_widget_show (item);
1092 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1094 item = gtk_menu_item_new_with_label (_("Page"));
1095 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1096 gtk_widget_show (item);
1097 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1098 item = gtk_menu_item_new_with_label (_("Drawing"));
1099 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1100 gtk_widget_show (item);
1101 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1102 item = gtk_menu_item_new_with_label (_("Selection"));
1103 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1104 gtk_widget_show (item);
1105 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1106 }
1108 static void
1109 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1110 {
1111 NR::Rect const d = dt->get_display_area();
1112 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1113 }
1115 static void
1116 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1117 {
1118 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1119 }
1121 static void
1122 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1123 {
1124 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1125 }
1127 static void
1128 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1129 {
1130 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1131 }
1133 static void
1134 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1135 {
1136 static_cast<SPDesktop*>(data)->zoom_page();
1137 }
1139 static void
1140 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1141 {
1142 static_cast<SPDesktop*>(data)->zoom_drawing();
1143 }
1145 static void
1146 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1147 {
1148 static_cast<SPDesktop*>(data)->zoom_selection();
1149 }
1153 void
1154 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1155 {
1156 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1157 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1158 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1159 }
1161 void
1162 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1163 {
1164 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1165 gtk_widget_hide_all (dtw->hruler);
1166 gtk_widget_hide_all (dtw->vruler);
1167 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1168 } else {
1169 gtk_widget_show_all (dtw->hruler);
1170 gtk_widget_show_all (dtw->vruler);
1171 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1172 }
1173 }
1175 void
1176 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1177 {
1178 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1179 gtk_widget_hide_all (dtw->hscrollbar);
1180 gtk_widget_hide_all (dtw->vscrollbar_box);
1181 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1182 } else {
1183 gtk_widget_show_all (dtw->hscrollbar);
1184 gtk_widget_show_all (dtw->vscrollbar_box);
1185 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1186 }
1187 }
1189 /* Unused
1190 void
1191 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1192 {
1193 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1194 gtk_widget_hide_all (dtw->menubar);
1195 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1196 } else {
1197 gtk_widget_show_all (dtw->menubar);
1198 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1199 }
1200 }
1201 */
1203 static void
1204 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1205 {
1206 if ((l != adj->lower) ||
1207 (u != adj->upper) ||
1208 (ps != adj->page_size) ||
1209 (si != adj->step_increment) ||
1210 (pi != adj->page_increment)) {
1211 adj->lower = l;
1212 adj->upper = u;
1213 adj->page_size = ps;
1214 adj->step_increment = si;
1215 adj->page_increment = pi;
1216 gtk_adjustment_changed (adj);
1217 }
1218 }
1220 void
1221 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1222 {
1223 if (!dtw) return;
1224 if (dtw->update) return;
1225 dtw->update = 1;
1227 /* The desktop region we always show unconditionally */
1228 SPDocument *doc = dtw->desktop->doc();
1229 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1230 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1231 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1232 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1233 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1235 /* Canvas region we always show unconditionally */
1236 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1237 darea.max()[NR::Y] * -scale - 64),
1238 NR::Point(darea.max()[NR::X] * scale + 64,
1239 darea.min()[NR::Y] * -scale + 64));
1241 NR::Rect viewbox = dtw->canvas->getViewbox();
1243 /* Viewbox is always included into scrollable region */
1244 carea = NR::Rect::union_bounds(carea, viewbox);
1246 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1247 viewbox.dimensions()[NR::X],
1248 0.1 * viewbox.dimensions()[NR::X],
1249 viewbox.dimensions()[NR::X]);
1250 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1252 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1253 viewbox.dimensions()[NR::Y],
1254 0.1 * viewbox.dimensions()[NR::Y],
1255 viewbox.dimensions()[NR::Y]);
1256 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1258 dtw->update = 0;
1259 }
1262 /*
1263 Local Variables:
1264 mode:c++
1265 c-file-style:"stroustrup"
1266 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1267 indent-tabs-mode:nil
1268 fill-column:99
1269 End:
1270 */
1271 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :