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 swatches->Temp();
188 dtw->panels = GTK_WIDGET(swatches->gobj());
189 gtk_box_pack_end( GTK_BOX( dtw->vbox ), dtw->panels, FALSE, TRUE, 0 );
190 }
192 hbox = gtk_hbox_new (FALSE, 0);
193 gtk_box_pack_end (GTK_BOX (dtw->vbox), hbox, TRUE, TRUE, 0);
194 gtk_widget_show (hbox);
196 dtw->aux_toolbox = sp_aux_toolbox_new ();
197 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->aux_toolbox, FALSE, TRUE, 0);
199 dtw->commands_toolbox = sp_commands_toolbox_new ();
200 gtk_box_pack_end (GTK_BOX (dtw->vbox), dtw->commands_toolbox, FALSE, TRUE, 0);
202 dtw->tool_toolbox = sp_tool_toolbox_new ();
203 gtk_box_pack_start (GTK_BOX (hbox), dtw->tool_toolbox, FALSE, TRUE, 0);
205 tbl = gtk_table_new (4, 3, FALSE);
206 gtk_box_pack_start (GTK_BOX (hbox), tbl, TRUE, TRUE, 1);
208 /* Horizontal ruler */
209 eventbox = gtk_event_box_new ();
210 dtw->hruler = sp_hruler_new ();
211 dtw->hruler_box = eventbox;
212 sp_ruler_set_metric (GTK_RULER (dtw->hruler), SP_PT);
213 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
214 gtk_container_add (GTK_CONTAINER (eventbox), dtw->hruler);
215 gtk_table_attach (GTK_TABLE (tbl), eventbox, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), widget->style->xthickness, 0);
216 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_hruler_event), dtw);
217 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_hruler_event), dtw);
218 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_hruler_event), dtw);
220 /* Vertical ruler */
221 eventbox = gtk_event_box_new ();
222 dtw->vruler = sp_vruler_new ();
223 dtw->vruler_box = eventbox;
224 sp_ruler_set_metric (GTK_RULER (dtw->vruler), SP_PT);
225 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (&sp_unit_get_by_id(SP_UNIT_PT))), NULL);
226 gtk_container_add (GTK_CONTAINER (eventbox), GTK_WIDGET (dtw->vruler));
227 gtk_table_attach (GTK_TABLE (tbl), eventbox, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, widget->style->ythickness);
228 g_signal_connect (G_OBJECT (eventbox), "button_press_event", G_CALLBACK (sp_dt_vruler_event), dtw);
229 g_signal_connect (G_OBJECT (eventbox), "button_release_event", G_CALLBACK (sp_dt_vruler_event), dtw);
230 g_signal_connect (G_OBJECT (eventbox), "motion_notify_event", G_CALLBACK (sp_dt_vruler_event), dtw);
232 /* Horizontal scrollbar */
233 dtw->hadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
234 dtw->hscrollbar = gtk_hscrollbar_new (GTK_ADJUSTMENT (dtw->hadj));
235 gtk_table_attach (GTK_TABLE (tbl), dtw->hscrollbar, 1, 2, 2, 3, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_FILL), 0, 0);
236 /* Vertical scrollbar and the sticky zoom button */
237 dtw->vscrollbar_box = gtk_vbox_new (FALSE, 0);
238 dtw->sticky_zoom = sp_button_new_from_data ( GTK_ICON_SIZE_MENU,
239 SP_BUTTON_TYPE_TOGGLE,
240 NULL,
241 "sticky_zoom",
242 _("Zoom drawing if window size changes"),
243 dtw->tt);
244 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (dtw->sticky_zoom), prefs_get_int_attribute ("options.stickyzoom", "value", 0));
245 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->sticky_zoom, FALSE, FALSE, 0);
246 dtw->vadj = (GtkAdjustment *) gtk_adjustment_new (0.0, -4000.0, 4000.0, 10.0, 100.0, 4.0);
247 dtw->vscrollbar = gtk_vscrollbar_new (GTK_ADJUSTMENT (dtw->vadj));
248 gtk_box_pack_start (GTK_BOX (dtw->vscrollbar_box), dtw->vscrollbar, TRUE, TRUE, 0);
249 gtk_table_attach (GTK_TABLE (tbl), dtw->vscrollbar_box, 2, 3, 0, 2, (GtkAttachOptions)(GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
251 /* Canvas */
252 w = gtk_frame_new (NULL);
253 gtk_table_attach (GTK_TABLE (tbl), w, 1, 2, 1, 2, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 0, 0);
254 dtw->canvas = SP_CANVAS (sp_canvas_new_aa ());
255 GTK_WIDGET_SET_FLAGS (GTK_WIDGET (dtw->canvas), GTK_CAN_FOCUS);
256 style = gtk_style_copy (GTK_WIDGET (dtw->canvas)->style);
257 style->bg[GTK_STATE_NORMAL] = style->white;
258 gtk_widget_set_style (GTK_WIDGET (dtw->canvas), style);
259 gtk_widget_set_extension_events(GTK_WIDGET (dtw->canvas) , GDK_EXTENSION_EVENTS_ALL);
260 g_signal_connect (G_OBJECT (dtw->canvas), "event", G_CALLBACK (sp_desktop_widget_event), dtw);
261 gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (dtw->canvas));
263 dtw->selected_style = new Inkscape::UI::Widget::SelectedStyle(true);
264 GtkHBox *ss_ = dtw->selected_style->gobj();
265 gtk_box_pack_start (GTK_BOX (dtw->statusbar), GTK_WIDGET(ss_), FALSE, FALSE, 0);
266 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_vseparator_new(), FALSE, FALSE, 0);
268 // connect scrollbar signals
269 g_signal_connect (G_OBJECT (dtw->hadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
270 g_signal_connect (G_OBJECT (dtw->vadj), "value-changed", G_CALLBACK (sp_desktop_widget_adjustment_value_changed), dtw);
272 GtkWidget *statusbar_tail=gtk_statusbar_new();
273 gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(statusbar_tail), TRUE);
274 gtk_box_pack_end (GTK_BOX (dtw->statusbar), statusbar_tail, FALSE, FALSE, 0);
276 // zoom status spinbutton
277 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);
278 gtk_tooltips_set_tip (dtw->tt, dtw->zoom_status, _("Zoom"), NULL);
279 gtk_widget_set_size_request (dtw->zoom_status, STATUS_ZOOM_WIDTH, -1);
280 gtk_entry_set_width_chars (GTK_ENTRY (dtw->zoom_status), 6);
281 gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (dtw->zoom_status), FALSE);
282 gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (dtw->zoom_status), GTK_UPDATE_ALWAYS);
283 g_signal_connect (G_OBJECT (dtw->zoom_status), "input", G_CALLBACK (sp_dtw_zoom_input), dtw);
284 g_signal_connect (G_OBJECT (dtw->zoom_status), "output", G_CALLBACK (sp_dtw_zoom_output), dtw);
285 gtk_object_set_data (GTK_OBJECT (dtw->zoom_status), "dtw", dtw->canvas);
286 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "focus-in-event", GTK_SIGNAL_FUNC (spinbutton_focus_in), dtw->zoom_status);
287 gtk_signal_connect (GTK_OBJECT (dtw->zoom_status), "key-press-event", GTK_SIGNAL_FUNC (spinbutton_keypress), dtw->zoom_status);
288 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "value_changed", G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
289 dtw->zoom_update = g_signal_connect (G_OBJECT (dtw->zoom_status), "populate_popup", G_CALLBACK (sp_dtw_zoom_populate_popup), dtw);
291 // cursor coordinates
292 dtw->coord_status = gtk_table_new (5, 2, FALSE);
293 gtk_table_set_row_spacings(GTK_TABLE(dtw->coord_status), 0);
294 gtk_table_set_col_spacings(GTK_TABLE(dtw->coord_status), 2);
295 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_vseparator_new(), 0,1, 0,2, GTK_FILL, GTK_FILL, 0, 0);
296 eventbox = gtk_event_box_new ();
297 gtk_container_add (GTK_CONTAINER (eventbox), dtw->coord_status);
298 gtk_tooltips_set_tip (dtw->tt, eventbox, _("Cursor coordinates"), NULL);
299 GtkWidget *label_x = gtk_label_new("X:");
300 gtk_misc_set_alignment (GTK_MISC(label_x), 0.0, 0.5);
301 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_x, 1,2, 0,1, GTK_FILL, GTK_FILL, 0, 0);
302 GtkWidget *label_y = gtk_label_new("Y:");
303 gtk_misc_set_alignment (GTK_MISC(label_y), 0.0, 0.5);
304 gtk_table_attach(GTK_TABLE(dtw->coord_status), label_y, 1,2, 1,2, GTK_FILL, GTK_FILL, 0, 0);
305 dtw->coord_status_x = gtk_label_new("0.0");
306 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_x), 0.0, 0.5);
307 dtw->coord_status_y = gtk_label_new("0.0");
308 gtk_misc_set_alignment (GTK_MISC(dtw->coord_status_y), 0.0, 0.5);
309 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_x, 2,3, 0,1, GTK_FILL, GTK_FILL, 0, 0);
310 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->coord_status_y, 2,3, 1,2, GTK_FILL, GTK_FILL, 0, 0);
311 gtk_table_attach(GTK_TABLE(dtw->coord_status), gtk_label_new("Z:"), 3,4, 0,2, GTK_FILL, GTK_FILL, 0, 0);
312 gtk_table_attach(GTK_TABLE(dtw->coord_status), dtw->zoom_status, 4,5, 0,2, GTK_FILL, GTK_FILL, 0, 0);
313 sp_set_font_size_smaller (dtw->coord_status);
314 gtk_box_pack_end (GTK_BOX (statusbar_tail), eventbox, FALSE, FALSE, 1);
316 dtw->layer_selector = new Inkscape::Widgets::LayerSelector(NULL);
317 // FIXME: need to unreference on container destruction to avoid leak
318 dtw->layer_selector->reference();
319 //dtw->layer_selector->set_size_request(-1, SP_ICON_SIZE_BUTTON);
320 gtk_box_pack_start(GTK_BOX(dtw->statusbar), GTK_WIDGET(dtw->layer_selector->gobj()), FALSE, FALSE, 1);
322 dtw->select_status_eventbox = gtk_event_box_new ();
323 dtw->select_status = gtk_label_new (NULL);
324 #if GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6
325 gtk_label_set_ellipsize (GTK_LABEL(dtw->select_status), PANGO_ELLIPSIZE_END);
326 #endif
327 gtk_misc_set_alignment (GTK_MISC (dtw->select_status), 0.0, 0.5);
328 gtk_widget_set_size_request (dtw->select_status, 1, -1);
329 // display the initial welcome message in the statusbar
330 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."));
331 // space label 2 pixels from left edge
332 gtk_container_add (GTK_CONTAINER (dtw->select_status_eventbox), dtw->select_status);
333 gtk_box_pack_start (GTK_BOX (dtw->statusbar), gtk_hbox_new(FALSE, 0), FALSE, FALSE, 2);
334 gtk_box_pack_start (GTK_BOX (dtw->statusbar), dtw->select_status_eventbox, TRUE, TRUE, 0);
336 gtk_widget_show_all (dtw->vbox);
337 }
339 /**
340 * Called before SPDesktopWidget destruction.
341 */
342 static void
343 sp_desktop_widget_destroy (GtkObject *object)
344 {
345 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (object);
347 if (dtw->desktop) {
348 dtw->layer_selector->unreference();
349 inkscape_remove_desktop (dtw->desktop); // clears selection too
350 sp_signal_disconnect_by_data (G_OBJECT (dtw->desktop->namedview), dtw);
351 dtw->desktop->destroy();
352 Inkscape::GC::release (dtw->desktop);
353 dtw->desktop = NULL;
354 }
356 if (GTK_OBJECT_CLASS (dtw_parent_class)->destroy) {
357 (* GTK_OBJECT_CLASS (dtw_parent_class)->destroy) (object);
358 }
359 }
362 /**
363 * Set the title in the desktop-window (if desktop has an own window).
364 *
365 * The title has form file name: desktop number - Inkscape.
366 * The desktop number is only shown if it's 2 or higher,
367 */
368 void
369 SPDesktopWidget::updateTitle(gchar const* uri)
370 {
371 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
372 if (window) {
373 gchar const *fname = ( TRUE
374 ? uri
375 : g_basename(uri) );
376 GString *name = g_string_new ("");
377 if (this->desktop->number > 1) {
378 g_string_printf (name, _("%s: %d - Inkscape"), fname, this->desktop->number);
379 } else {
380 g_string_printf (name, _("%s - Inkscape"), fname);
381 }
382 gtk_window_set_title (window, name->str);
383 g_string_free (name, TRUE);
384 }
385 }
387 /**
388 * Callback to allocate space for desktop widget.
389 */
390 static void
391 sp_desktop_widget_size_allocate (GtkWidget *widget, GtkAllocation *allocation)
392 {
393 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
395 if ((allocation->x == widget->allocation.x) &&
396 (allocation->y == widget->allocation.y) &&
397 (allocation->width == widget->allocation.width) &&
398 (allocation->height == widget->allocation.height)) {
399 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate)
400 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
401 return;
402 }
404 if (GTK_WIDGET_REALIZED (widget)) {
405 NR::Rect const area = dtw->desktop->get_display_area();
406 double zoom = dtw->desktop->current_zoom();
408 if (GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate) {
409 GTK_WIDGET_CLASS(dtw_parent_class)->size_allocate (widget, allocation);
410 }
412 if (SP_BUTTON_IS_DOWN(dtw->sticky_zoom)) {
413 /* Calculate zoom per pixel */
414 double const zpsp = zoom / hypot (area.dimensions()[NR::X], area.dimensions()[NR::Y]);
415 /* Find new visible area */
416 NR::Rect newarea = dtw->desktop->get_display_area();
417 /* Calculate adjusted zoom */
418 zoom = zpsp * hypot(newarea.dimensions()[NR::X], newarea.dimensions()[NR::Y]);
419 dtw->desktop->zoom_absolute(newarea.midpoint()[NR::X], newarea.midpoint()[NR::Y], zoom);
420 } else {
421 dtw->desktop->zoom_absolute(area.midpoint()[NR::X], area.midpoint()[NR::Y], zoom);
422 }
424 } else {
425 if (GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate) {
426 GTK_WIDGET_CLASS (dtw_parent_class)->size_allocate (widget, allocation);
427 }
428 // this->size_allocate (widget, allocation);
429 }
430 }
432 /**
433 * Callback to realize desktop widget.
434 */
435 static void
436 sp_desktop_widget_realize (GtkWidget *widget)
437 {
439 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (widget);
441 if (GTK_WIDGET_CLASS (dtw_parent_class)->realize)
442 (* GTK_WIDGET_CLASS (dtw_parent_class)->realize) (widget);
444 NRRect d;
445 d.x0 = 0.0;
446 d.y0 = 0.0;
447 d.x1 = sp_document_width (dtw->desktop->doc());
448 d.y1 = sp_document_height (dtw->desktop->doc());
450 if ((fabs (d.x1 - d.x0) < 1.0) || (fabs (d.y1 - d.y0) < 1.0)) return;
452 dtw->desktop->set_display_area (d.x0, d.y0, d.x1, d.y1, 10);
454 /* Listen on namedview modification */
455 g_signal_connect (G_OBJECT (dtw->desktop->namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
456 sp_desktop_widget_namedview_modified (dtw->desktop->namedview, SP_OBJECT_MODIFIED_FLAG, dtw);
458 dtw->updateTitle(SP_DOCUMENT_NAME (dtw->desktop->doc()));
459 }
461 /**
462 * Callback to handle desktop widget event.
463 */
464 static gint
465 sp_desktop_widget_event (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
466 {
467 if (event->type == GDK_BUTTON_PRESS) {
468 // defocus any spinbuttons
469 gtk_widget_grab_focus (GTK_WIDGET(dtw->canvas));
470 }
472 if ((event->type == GDK_BUTTON_PRESS) && (event->button.button == 3)) {
473 if (event->button.state & GDK_SHIFT_MASK) {
474 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), TRUE);
475 } else {
476 sp_canvas_arena_set_sticky (SP_CANVAS_ARENA (dtw->desktop->drawing), FALSE);
477 }
478 }
480 if (GTK_WIDGET_CLASS (dtw_parent_class)->event) {
481 return (* GTK_WIDGET_CLASS (dtw_parent_class)->event) (widget, event);
482 } else {
483 // The keypress events need to be passed to desktop handler explicitly,
484 // because otherwise the event contexts only receive keypresses when the mouse cursor
485 // is over the canvas. This redirection is only done for keypresses and only if there's no
486 // current item on the canvas, because item events and all mouse events are caught
487 // and passed on by the canvas acetate (I think). --bb
488 if (event->type == GDK_KEY_PRESS && !dtw->canvas->current_item) {
489 return sp_desktop_root_handler (NULL, event, dtw->desktop);
490 }
491 }
493 return FALSE;
494 }
496 void
497 sp_dtw_desktop_activate (SPDesktopWidget *dtw)
498 {
499 /* update active desktop indicator */
500 }
502 void
503 sp_dtw_desktop_deactivate (SPDesktopWidget *dtw)
504 {
505 /* update inactive desktop indicator */
506 }
508 /**
509 * Shuts down the desktop object for the view being closed. It checks
510 * to see if the document has been edited, and if so prompts the user
511 * to save, discard, or cancel. Returns TRUE if the shutdown operation
512 * is cancelled or if the save is cancelled or fails, FALSE otherwise.
513 */
514 bool
515 SPDesktopWidget::shutdown()
516 {
517 g_assert(desktop != NULL);
518 if (inkscape_is_sole_desktop_for_document(*desktop)) {
519 SPDocument *doc = desktop->doc();
520 if (sp_document_repr_root(doc)->attribute("sodipodi:modified") != NULL) {
521 GtkWidget *dialog;
523 dialog = gtk_message_dialog_new(
524 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
525 GTK_DIALOG_DESTROY_WITH_PARENT,
526 GTK_MESSAGE_WARNING,
527 GTK_BUTTONS_NONE,
528 "Document modified");
530 gchar *markup;
531 /** \todo
532 * FIXME !!! obviously this will have problems if the document
533 * name contains markup characters
534 */
535 markup = g_strdup_printf(
536 _("<span weight=\"bold\" size=\"larger\">Save changes to document \"%s\" before closing?</span>\n\n"
537 "If you close without saving, your changes will be discarded."),
538 SP_DOCUMENT_NAME(doc));
540 /** \todo
541 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
542 * (and actually even
543 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
544 * until then, we will have to be a little bit evil here and
545 * poke at GtkMessageDialog::label, which is private...
546 */
548 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
549 g_free(markup);
551 GtkWidget *close_button;
552 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
553 gtk_widget_show(close_button);
554 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
556 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
557 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
558 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
560 gint response;
561 response = gtk_dialog_run(GTK_DIALOG(dialog));
562 gtk_widget_destroy(dialog);
564 switch (response) {
565 case GTK_RESPONSE_YES:
566 sp_document_ref(doc);
567 if (sp_file_save_document(doc)) {
568 sp_document_unref(doc);
569 } else { // save dialog cancelled or save failed
570 sp_document_unref(doc);
571 return TRUE;
572 }
573 break;
574 case GTK_RESPONSE_NO:
575 break;
576 default: // cancel pressed, or dialog was closed
577 return TRUE;
578 break;
579 }
580 }
581 /* Code to check data loss */
582 bool allow_data_loss = FALSE;
583 while (sp_document_repr_root(doc)->attribute("inkscape:dataloss") != NULL && allow_data_loss == FALSE) {
584 GtkWidget *dialog;
586 dialog = gtk_message_dialog_new(
587 GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this))),
588 GTK_DIALOG_DESTROY_WITH_PARENT,
589 GTK_MESSAGE_WARNING,
590 GTK_BUTTONS_NONE,
591 "Document modified");
593 gchar *markup;
594 /** \todo
595 * FIXME !!! obviously this will have problems if the document
596 * name contains markup characters
597 */
598 markup = g_strdup_printf(
599 _("<span weight=\"bold\" size=\"larger\">The file \"%s\" was saved with a format (%s) that may cause data loss!</span>\n\n"
600 "Do you want to save this file in another format?"),
601 SP_DOCUMENT_NAME(doc),
602 Inkscape::Extension::db.get(sp_document_repr_root(doc)->attribute("inkscape:output_extension"))->get_name());
604 /** \todo
605 * FIXME !!! Gtk 2.3+ gives us gtk_message_dialog_set_markup()
606 * (and actually even
607 * gtk_message_dialog_new_with_markup(..., format, ...)!) --
608 * until then, we will have to be a little bit evil here and
609 * poke at GtkMessageDialog::label, which is private...
610 */
612 gtk_label_set_markup(GTK_LABEL(GTK_MESSAGE_DIALOG(dialog)->label), markup);
613 g_free(markup);
615 GtkWidget *close_button;
616 close_button = gtk_button_new_with_mnemonic(_("Close _without saving"));
617 gtk_widget_show(close_button);
618 gtk_dialog_add_action_widget(GTK_DIALOG(dialog), close_button, GTK_RESPONSE_NO);
620 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
621 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_SAVE, GTK_RESPONSE_YES);
622 gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
624 gint response;
625 response = gtk_dialog_run(GTK_DIALOG(dialog));
626 gtk_widget_destroy(dialog);
628 switch (response) {
629 case GTK_RESPONSE_YES:
630 sp_document_ref(doc);
631 if (sp_file_save_dialog(doc)) {
632 sp_document_unref(doc);
633 } else { // save dialog cancelled or save failed
634 sp_document_unref(doc);
635 return TRUE;
636 }
637 break;
638 case GTK_RESPONSE_NO:
639 allow_data_loss = TRUE;
640 break;
641 default: // cancel pressed, or dialog was closed
642 return TRUE;
643 break;
644 }
645 }
646 }
648 return FALSE;
649 }
651 /**
652 * \pre this->desktop->main != 0
653 */
654 void
655 SPDesktopWidget::requestCanvasUpdate() {
656 gtk_widget_queue_draw (GTK_WIDGET (SP_CANVAS_ITEM (this->desktop->main)->canvas));
657 }
659 void
660 SPDesktopWidget::setCoordinateStatus(NR::Point p)
661 {
662 gchar *cstr;
663 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::X]);
664 gtk_label_set_text (GTK_LABEL (this->coord_status_x), cstr);
665 g_free(cstr);
666 cstr=g_strdup_printf("%6.2f", dt2r * p[NR::Y]);
667 gtk_label_set_text (GTK_LABEL (this->coord_status_y), cstr);
668 g_free(cstr);
669 }
671 void
672 SPDesktopWidget::letZoomGrabFocus()
673 {
674 if (zoom_status)
675 gtk_widget_grab_focus (zoom_status);
676 }
678 void
679 SPDesktopWidget::getWindowGeometry (gint &x, gint &y, gint &w, gint &h)
680 {
681 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
682 if (window)
683 {
684 gtk_window_get_size (window, &w, &h);
685 gtk_window_get_position (window, &x, &y);
686 }
687 }
689 void
690 SPDesktopWidget::setWindowPosition (NR::Point p)
691 {
692 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
693 if (window)
694 {
695 gtk_window_move (window, gint(round(p[NR::X])), gint(round(p[NR::Y])));
696 }
697 }
699 void
700 SPDesktopWidget::setWindowSize (gint w, gint h)
701 {
702 GtkWindow *window = GTK_WINDOW (gtk_object_get_data (GTK_OBJECT(this), "window"));
703 if (window)
704 {
705 gtk_window_set_default_size (window, w, h);
706 gtk_window_reshow_with_initial_size (window);
707 }
708 }
710 /**
711 * \note transientizing does not work on windows; when you minimize a document
712 * and then open it back, only its transient emerges and you cannot access
713 * the document window.
714 */
715 void
716 SPDesktopWidget::setWindowTransient (void *p, int transient_policy)
717 {
718 #ifndef WIN32
719 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
720 if (w)
721 {
722 gtk_window_set_transient_for (GTK_WINDOW(p), w);
724 /*
725 * This enables "aggressive" transientization,
726 * i.e. dialogs always emerging on top when you switch documents. Note
727 * however that this breaks "click to raise" policy of a window
728 * manager because the switched-to document will be raised at once
729 * (so that its transients also could raise)
730 */
731 if (transient_policy == 2)
733 // without this, a transient window not always emerges on top
734 gtk_window_present (w);
735 }
736 #endif
737 }
739 void
740 SPDesktopWidget::presentWindow()
741 {
742 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
743 if (w)
744 gtk_window_present (w);
745 }
747 bool
748 SPDesktopWidget::warnDialog (gchar* text)
749 {
750 GtkWindow *w =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(this)));
751 if (w)
752 {
753 GtkWidget *dialog = gtk_message_dialog_new(
754 w,
755 GTK_DIALOG_DESTROY_WITH_PARENT,
756 GTK_MESSAGE_WARNING,
757 GTK_BUTTONS_YES_NO,
758 text);
759 gint response = gtk_dialog_run(GTK_DIALOG(dialog));
760 gtk_widget_destroy(dialog);
761 if (response == GTK_RESPONSE_YES)
762 return true;
763 }
764 return false;
765 }
767 void
768 sp_desktop_widget_fullscreen(SPDesktopWidget *dtw)
769 {
770 #ifdef HAVE_GTK_WINDOW_FULLSCREEN
771 GtkWindow *topw = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(dtw->canvas)));
772 if (GTK_IS_WINDOW(topw)) {
773 if (dtw->desktop->is_fullscreen) {
774 dtw->desktop->is_fullscreen = FALSE;
775 gtk_window_unfullscreen(topw);
776 sp_desktop_widget_layout (dtw);
777 } else {
778 dtw->desktop->is_fullscreen = TRUE;
779 gtk_window_fullscreen(topw);
780 sp_desktop_widget_layout (dtw);
781 }
782 }
783 #endif /* HAVE_GTK_WINDOW_FULLSCREEN */
784 }
786 /**
787 * Hide whatever the user does not want to see in the window
788 */
789 void
790 sp_desktop_widget_layout (SPDesktopWidget *dtw)
791 {
792 bool fullscreen = dtw->desktop->is_fullscreen;
794 if (prefs_get_int_attribute (fullscreen ? "fullscreen.menu" : "window.menu", "state", 1) == 0) {
795 gtk_widget_hide_all (dtw->menubar);
796 } else {
797 gtk_widget_show_all (dtw->menubar);
798 }
800 if (prefs_get_int_attribute (fullscreen ? "fullscreen.commands" : "window.commands", "state", 1) == 0) {
801 gtk_widget_hide_all (dtw->commands_toolbox);
802 } else {
803 gtk_widget_show_all (dtw->commands_toolbox);
804 }
806 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toppanel" : "window.toppanel", "state", 1) == 0) {
807 gtk_widget_hide_all (dtw->aux_toolbox);
808 } else {
809 // we cannot just show_all because that will show all tools' panels;
810 // this is a function from toolbox.cpp that shows only the current tool's panel
811 show_aux_toolbox (dtw->aux_toolbox);
812 }
814 if (prefs_get_int_attribute (fullscreen ? "fullscreen.toolbox" : "window.toolbox", "state", 1) == 0) {
815 gtk_widget_hide_all (dtw->tool_toolbox);
816 } else {
817 gtk_widget_show_all (dtw->tool_toolbox);
818 }
820 if (prefs_get_int_attribute (fullscreen ? "fullscreen.statusbar" : "window.statusbar", "state", 1) == 0) {
821 gtk_widget_hide_all (dtw->statusbar);
822 } else {
823 gtk_widget_show_all (dtw->statusbar);
824 }
826 if (prefs_get_int_attribute (fullscreen ? "fullscreen.panels" : "window.panels", "state", 1) == 0) {
827 gtk_widget_hide_all( dtw->panels );
828 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
829 if ( kids )
830 {
831 GList* last = g_list_last( kids );
832 if ( last )
833 {
834 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
835 gtk_statusbar_set_has_resize_grip( tail, TRUE );
836 }
837 g_list_free( kids );
838 }
839 } else {
840 gtk_widget_show_all( dtw->panels );
841 GList* kids = gtk_container_get_children( GTK_CONTAINER( dtw->statusbar ) );
842 if ( kids )
843 {
844 GList* last = g_list_last( kids );
845 if ( last )
846 {
847 GtkStatusbar* tail = GTK_STATUSBAR( last->data );
848 gtk_statusbar_set_has_resize_grip( tail, FALSE );
849 }
850 g_list_free( kids );
851 }
852 }
854 if (prefs_get_int_attribute (fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1) == 0) {
855 gtk_widget_hide_all (dtw->hscrollbar);
856 gtk_widget_hide_all (dtw->vscrollbar_box);
857 } else {
858 gtk_widget_show_all (dtw->hscrollbar);
859 gtk_widget_show_all (dtw->vscrollbar_box);
860 }
862 if (prefs_get_int_attribute (fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1) == 0) {
863 gtk_widget_hide_all (dtw->hruler);
864 gtk_widget_hide_all (dtw->vruler);
865 } else {
866 gtk_widget_show_all (dtw->hruler);
867 gtk_widget_show_all (dtw->vruler);
868 }
869 }
871 void
872 SPDesktopWidget::setToolboxFocusTo (const gchar* label)
873 {
874 gpointer hb = sp_search_by_data_recursive(aux_toolbox, (gpointer) label);
875 if (hb && GTK_IS_WIDGET(hb))
876 {
877 gtk_widget_grab_focus(GTK_WIDGET(hb));
878 }
879 }
881 void
882 SPDesktopWidget::setToolboxAdjustmentValue (gchar const *id, double value)
883 {
884 gpointer hb = sp_search_by_data_recursive (aux_toolbox, (gpointer) id);
885 if (hb && GTK_IS_WIDGET(hb) && GTK_IS_SPIN_BUTTON(hb)) {
886 GtkAdjustment *a = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON(hb));
887 gtk_adjustment_set_value (a, value);
888 }
889 }
891 bool
892 SPDesktopWidget::isToolboxButtonActive (const gchar* id)
893 {
894 GtkToggleButton *b = (GtkToggleButton *) sp_search_by_data_recursive(aux_toolbox, (gpointer) id);
896 return gtk_toggle_button_get_active (b) != 0;
897 }
899 SPViewWidget *
900 sp_desktop_widget_new (SPNamedView *namedview)
901 {
902 SPDesktopWidget *dtw = (SPDesktopWidget*)gtk_type_new (SP_TYPE_DESKTOP_WIDGET);
904 dtw->dt2r = 1.0 / namedview->doc_units->unittobase;
905 dtw->ruler_origin = namedview->gridorigin;
907 dtw->desktop = new SPDesktop();
908 dtw->stub = new SPDesktopWidget::WidgetStub (dtw);
909 dtw->desktop->registerEditWidget (dtw->stub);
910 dtw->desktop->init (namedview, dtw->canvas);
911 inkscape_add_desktop (dtw->desktop);
913 // Add the shape geometry to libavoid for autorouting connectors.
914 // This needs desktop set for its spacing preferences.
915 init_avoided_shape_geometry(dtw->desktop);
917 dtw->selected_style->setDesktop(dtw->desktop);
919 /* Once desktop is set, we can update rulers */
920 sp_desktop_widget_update_rulers (dtw);
922 sp_view_widget_set_view (SP_VIEW_WIDGET (dtw), dtw->desktop);
924 /* Listen on namedview modification */
925 g_signal_connect (G_OBJECT (namedview), "modified", G_CALLBACK (sp_desktop_widget_namedview_modified), dtw);
927 dtw->layer_selector->setDesktop(dtw->desktop);
929 dtw->menubar = sp_ui_main_menubar (dtw->desktop);
930 gtk_widget_show_all (dtw->menubar);
931 gtk_box_pack_start (GTK_BOX (dtw->vbox), dtw->menubar, FALSE, FALSE, 0);
933 sp_desktop_widget_layout (dtw);
935 sp_tool_toolbox_set_desktop (dtw->tool_toolbox, dtw->desktop);
936 sp_aux_toolbox_set_desktop (dtw->aux_toolbox, dtw->desktop);
937 sp_commands_toolbox_set_desktop (dtw->commands_toolbox, dtw->desktop);
939 return SP_VIEW_WIDGET (dtw);
940 }
942 void
943 SPDesktopWidget::viewSetPosition (NR::Point p)
944 {
945 NR::Point const origin = ( p - ruler_origin );
947 /// \todo fixme:
948 GTK_RULER(hruler)->position = origin[NR::X];
949 gtk_ruler_draw_pos (GTK_RULER (hruler));
950 GTK_RULER(vruler)->position = origin[NR::Y];
951 gtk_ruler_draw_pos (GTK_RULER (vruler));
952 }
954 void
955 sp_desktop_widget_update_rulers (SPDesktopWidget *dtw)
956 {
957 NR::Rect const viewbox = dtw->canvas->getViewbox();
958 double const scale = dtw->desktop->current_zoom();
959 double s = viewbox.min()[NR::X] / scale - dtw->ruler_origin[NR::X];
960 double e = viewbox.max()[NR::X] / scale - dtw->ruler_origin[NR::X];
961 gtk_ruler_set_range(GTK_RULER(dtw->hruler), s, e, GTK_RULER(dtw->hruler)->position, (e - s));
962 s = viewbox.min()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
963 e = viewbox.max()[NR::Y] / -scale - dtw->ruler_origin[NR::Y];
964 gtk_ruler_set_range(GTK_RULER(dtw->vruler), s, e, GTK_RULER(dtw->vruler)->position, (e - s));
965 }
968 static void
969 sp_desktop_widget_namedview_modified (SPNamedView *nv, guint flags, SPDesktopWidget *dtw)
970 {
971 if (flags & SP_OBJECT_MODIFIED_FLAG) {
972 dtw->dt2r = 1.0 / nv->doc_units->unittobase;
973 dtw->ruler_origin = nv->gridorigin;
975 sp_ruler_set_metric (GTK_RULER (dtw->vruler), nv->getDefaultMetric());
976 sp_ruler_set_metric (GTK_RULER (dtw->hruler), nv->getDefaultMetric());
978 gtk_tooltips_set_tip (dtw->tt, dtw->hruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
979 gtk_tooltips_set_tip (dtw->tt, dtw->vruler_box, gettext(sp_unit_get_plural (nv->doc_units)), NULL);
981 sp_desktop_widget_update_rulers (dtw);
982 }
983 }
985 static void
986 sp_desktop_widget_adjustment_value_changed (GtkAdjustment *adj, SPDesktopWidget *dtw)
987 {
988 if (dtw->update)
989 return;
991 dtw->update = 1;
993 sp_canvas_scroll_to (dtw->canvas, dtw->hadj->value, dtw->vadj->value, FALSE);
994 sp_desktop_widget_update_rulers (dtw);
996 dtw->update = 0;
997 }
999 /* we make the desktop window with focus active, signal is connected in interface.c */
1001 gint
1002 sp_desktop_widget_set_focus (GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
1003 {
1004 inkscape_activate_desktop (dtw->desktop);
1006 /* give focus to canvas widget */
1007 gtk_widget_grab_focus (GTK_WIDGET (dtw->canvas));
1009 return FALSE;
1010 }
1012 static gdouble
1013 sp_dtw_zoom_value_to_display (gdouble value)
1014 {
1015 return floor (pow (2, value) * 100.0 + 0.5);
1016 }
1018 static gdouble
1019 sp_dtw_zoom_display_to_value (gdouble value)
1020 {
1021 return log (value / 100.0) / log (2);
1022 }
1024 static gint
1025 sp_dtw_zoom_input (GtkSpinButton *spin, gdouble *new_val, gpointer data)
1026 {
1027 gdouble new_scrolled = gtk_spin_button_get_value (spin);
1028 const gchar *b = gtk_entry_get_text (GTK_ENTRY (spin));
1029 gdouble new_typed = atof (b);
1031 if (sp_dtw_zoom_value_to_display (new_scrolled) == new_typed) { // the new value is set by scrolling
1032 *new_val = new_scrolled;
1033 } else { // the new value is typed in
1034 *new_val = sp_dtw_zoom_display_to_value (new_typed);
1035 }
1037 return TRUE;
1038 }
1040 static bool
1041 sp_dtw_zoom_output (GtkSpinButton *spin, gpointer data)
1042 {
1043 gchar b[64];
1044 g_snprintf (b, 64, "%4.0f%%", sp_dtw_zoom_value_to_display (gtk_spin_button_get_value (spin)));
1045 gtk_entry_set_text (GTK_ENTRY (spin), b);
1046 return TRUE;
1047 }
1049 static void
1050 sp_dtw_zoom_value_changed (GtkSpinButton *spin, gpointer data)
1051 {
1052 double const zoom_factor = pow (2, gtk_spin_button_get_value (spin));
1054 SPDesktopWidget *dtw = SP_DESKTOP_WIDGET (data);
1055 SPDesktop *desktop = dtw->desktop;
1057 NR::Rect const d = desktop->get_display_area();
1058 g_signal_handler_block (spin, dtw->zoom_update);
1059 desktop->zoom_absolute (d.midpoint()[NR::X], d.midpoint()[NR::Y], zoom_factor);
1060 g_signal_handler_unblock (spin, dtw->zoom_update);
1062 spinbutton_defocus (GTK_OBJECT (spin));
1063 }
1065 static void
1066 sp_dtw_zoom_populate_popup (GtkEntry *entry, GtkMenu *menu, gpointer data)
1067 {
1068 GList *children, *iter;
1069 GtkWidget *item;
1070 SPDesktop *dt = SP_DESKTOP_WIDGET (data)->desktop;
1072 children = gtk_container_get_children (GTK_CONTAINER (menu));
1073 for ( iter = children ; iter ; iter = g_list_next (iter)) {
1074 gtk_container_remove (GTK_CONTAINER (menu), GTK_WIDGET (iter->data));
1075 }
1076 g_list_free (children);
1078 item = gtk_menu_item_new_with_label ("200%");
1079 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_200), dt);
1080 gtk_widget_show (item);
1081 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1082 item = gtk_menu_item_new_with_label ("100%");
1083 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_100), dt);
1084 gtk_widget_show (item);
1085 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1086 item = gtk_menu_item_new_with_label ("50%");
1087 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_50), dt);
1088 gtk_widget_show (item);
1089 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1091 item = gtk_separator_menu_item_new ();
1092 gtk_widget_show (item);
1093 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1095 item = gtk_menu_item_new_with_label (_("Page"));
1096 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_page), dt);
1097 gtk_widget_show (item);
1098 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1099 item = gtk_menu_item_new_with_label (_("Drawing"));
1100 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_drawing), dt);
1101 gtk_widget_show (item);
1102 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1103 item = gtk_menu_item_new_with_label (_("Selection"));
1104 g_signal_connect (G_OBJECT (item), "activate", G_CALLBACK (sp_dtw_zoom_selection), dt);
1105 gtk_widget_show (item);
1106 gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
1107 }
1109 static void
1110 sp_dtw_zoom_menu_handler (SPDesktop *dt, gdouble factor)
1111 {
1112 NR::Rect const d = dt->get_display_area();
1113 dt->zoom_absolute(d.midpoint()[NR::X], d.midpoint()[NR::Y], factor);
1114 }
1116 static void
1117 sp_dtw_zoom_50 (GtkMenuItem *item, gpointer data)
1118 {
1119 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 0.5);
1120 }
1122 static void
1123 sp_dtw_zoom_100 (GtkMenuItem *item, gpointer data)
1124 {
1125 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 1.0);
1126 }
1128 static void
1129 sp_dtw_zoom_200 (GtkMenuItem *item, gpointer data)
1130 {
1131 sp_dtw_zoom_menu_handler (static_cast<SPDesktop*>(data), 2.0);
1132 }
1134 static void
1135 sp_dtw_zoom_page (GtkMenuItem *item, gpointer data)
1136 {
1137 static_cast<SPDesktop*>(data)->zoom_page();
1138 }
1140 static void
1141 sp_dtw_zoom_drawing (GtkMenuItem *item, gpointer data)
1142 {
1143 static_cast<SPDesktop*>(data)->zoom_drawing();
1144 }
1146 static void
1147 sp_dtw_zoom_selection (GtkMenuItem *item, gpointer data)
1148 {
1149 static_cast<SPDesktop*>(data)->zoom_selection();
1150 }
1154 void
1155 sp_desktop_widget_update_zoom (SPDesktopWidget *dtw)
1156 {
1157 g_signal_handlers_block_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1158 gtk_spin_button_set_value (GTK_SPIN_BUTTON (dtw->zoom_status), log(dtw->desktop->current_zoom()) / log(2));
1159 g_signal_handlers_unblock_by_func (G_OBJECT (dtw->zoom_status), (gpointer)G_CALLBACK (sp_dtw_zoom_value_changed), dtw);
1160 }
1162 void
1163 sp_desktop_widget_toggle_rulers (SPDesktopWidget *dtw)
1164 {
1165 if (GTK_WIDGET_VISIBLE (dtw->hruler)) {
1166 gtk_widget_hide_all (dtw->hruler);
1167 gtk_widget_hide_all (dtw->vruler);
1168 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 0);
1169 } else {
1170 gtk_widget_show_all (dtw->hruler);
1171 gtk_widget_show_all (dtw->vruler);
1172 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.rulers" : "window.rulers", "state", 1);
1173 }
1174 }
1176 void
1177 sp_desktop_widget_toggle_scrollbars (SPDesktopWidget *dtw)
1178 {
1179 if (GTK_WIDGET_VISIBLE (dtw->hscrollbar)) {
1180 gtk_widget_hide_all (dtw->hscrollbar);
1181 gtk_widget_hide_all (dtw->vscrollbar_box);
1182 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 0);
1183 } else {
1184 gtk_widget_show_all (dtw->hscrollbar);
1185 gtk_widget_show_all (dtw->vscrollbar_box);
1186 prefs_set_int_attribute (dtw->desktop->is_fullscreen ? "fullscreen.scrollbars" : "window.scrollbars", "state", 1);
1187 }
1188 }
1190 /* Unused
1191 void
1192 sp_spw_toggle_menubar (SPDesktopWidget *dtw, bool is_fullscreen)
1193 {
1194 if (GTK_WIDGET_VISIBLE (dtw->menubar)) {
1195 gtk_widget_hide_all (dtw->menubar);
1196 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 0);
1197 } else {
1198 gtk_widget_show_all (dtw->menubar);
1199 prefs_set_int_attribute (is_fullscreen ? "fullscreen.menu" : "window.menu", "state", 1);
1200 }
1201 }
1202 */
1204 static void
1205 set_adjustment (GtkAdjustment *adj, double l, double u, double ps, double si, double pi)
1206 {
1207 if ((l != adj->lower) ||
1208 (u != adj->upper) ||
1209 (ps != adj->page_size) ||
1210 (si != adj->step_increment) ||
1211 (pi != adj->page_increment)) {
1212 adj->lower = l;
1213 adj->upper = u;
1214 adj->page_size = ps;
1215 adj->step_increment = si;
1216 adj->page_increment = pi;
1217 gtk_adjustment_changed (adj);
1218 }
1219 }
1221 void
1222 sp_desktop_widget_update_scrollbars (SPDesktopWidget *dtw, double scale)
1223 {
1224 if (!dtw) return;
1225 if (dtw->update) return;
1226 dtw->update = 1;
1228 /* The desktop region we always show unconditionally */
1229 SPDocument *doc = dtw->desktop->doc();
1230 NR::Rect const r = sp_item_bbox_desktop(SP_ITEM(SP_DOCUMENT_ROOT(doc)));
1231 NR::Rect darea(NR::Point(MIN(r.min()[NR::X], -sp_document_width(doc)),
1232 MIN(r.min()[NR::Y], -sp_document_height(doc))),
1233 NR::Point(MAX(r.max()[NR::X], 2 * sp_document_width(doc)),
1234 MAX(r.max()[NR::Y], 2 * sp_document_height(doc))));
1236 /* Canvas region we always show unconditionally */
1237 NR::Rect carea(NR::Point(darea.min()[NR::X] * scale - 64,
1238 darea.max()[NR::Y] * -scale - 64),
1239 NR::Point(darea.max()[NR::X] * scale + 64,
1240 darea.min()[NR::Y] * -scale + 64));
1242 NR::Rect viewbox = dtw->canvas->getViewbox();
1244 /* Viewbox is always included into scrollable region */
1245 carea = NR::Rect::union_bounds(carea, viewbox);
1247 set_adjustment(dtw->hadj, carea.min()[NR::X], carea.max()[NR::X],
1248 viewbox.dimensions()[NR::X],
1249 0.1 * viewbox.dimensions()[NR::X],
1250 viewbox.dimensions()[NR::X]);
1251 gtk_adjustment_set_value(dtw->hadj, viewbox.min()[NR::X]);
1253 set_adjustment(dtw->vadj, carea.min()[NR::Y], carea.max()[NR::Y],
1254 viewbox.dimensions()[NR::Y],
1255 0.1 * viewbox.dimensions()[NR::Y],
1256 viewbox.dimensions()[NR::Y]);
1257 gtk_adjustment_set_value(dtw->vadj, viewbox.min()[NR::Y]);
1259 dtw->update = 0;
1260 }
1263 /*
1264 Local Variables:
1265 mode:c++
1266 c-file-style:"stroustrup"
1267 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1268 indent-tabs-mode:nil
1269 fill-column:99
1270 End:
1271 */
1272 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :