1 #define __SELCUE_C__
3 /*
4 * Helper object for showing selected items
5 *
6 * Authors:
7 * bulia byak <bulia@users.sf.net>
8 * Carl Hetherington <inkscape@carlh.net>
9 *
10 * Copyright (C) 2004 Authors
11 *
12 * Released under GNU GPL, read the file 'COPYING' for more information
13 */
15 #include "desktop-handles.h"
16 #include "selection.h"
17 #include "display/sp-canvas-util.h"
18 #include "display/sodipodi-ctrl.h"
19 #include "display/sodipodi-ctrlrect.h"
20 #include "libnrtype/Layout-TNG.h"
21 #include "text-editing.h"
22 #include "sp-text.h"
23 #include "sp-flowtext.h"
24 #include "prefs-utils.h"
25 #include "selcue.h"
27 Inkscape::SelCue::SelCue(SPDesktop *desktop)
28 : _desktop(desktop)
29 {
30 _selection = SP_DT_SELECTION(_desktop);
32 _sel_changed_connection = _selection->connectChanged(
33 sigc::hide(sigc::mem_fun(*this, &Inkscape::SelCue::_updateItemBboxes))
34 );
36 _sel_modified_connection = _selection->connectModified(
37 sigc::hide(sigc::hide(sigc::mem_fun(*this, &Inkscape::SelCue::_updateItemBboxes)))
38 );
40 _updateItemBboxes();
41 }
43 Inkscape::SelCue::~SelCue()
44 {
45 _sel_changed_connection.disconnect();
46 _sel_modified_connection.disconnect();
48 for (std::list<SPCanvasItem*>::iterator i = _item_bboxes.begin(); i != _item_bboxes.end(); i++) {
49 gtk_object_destroy(*i);
50 }
51 _item_bboxes.clear();
53 for (std::list<SPCanvasItem*>::iterator i = _text_baselines.begin(); i != _text_baselines.end(); i++) {
54 gtk_object_destroy(*i);
55 }
56 _text_baselines.clear();
57 }
59 void Inkscape::SelCue::_updateItemBboxes()
60 {
61 for (std::list<SPCanvasItem*>::iterator i = _item_bboxes.begin(); i != _item_bboxes.end(); i++) {
62 gtk_object_destroy(*i);
63 }
64 _item_bboxes.clear();
66 for (std::list<SPCanvasItem*>::iterator i = _text_baselines.begin(); i != _text_baselines.end(); i++) {
67 gtk_object_destroy(*i);
68 }
69 _text_baselines.clear();
71 gint mode = prefs_get_int_attribute ("options.selcue", "value", MARK);
72 if (mode == NONE) {
73 return;
74 }
76 g_return_if_fail(_selection != NULL);
78 for (GSList const *l = _selection->itemList(); l != NULL; l = l->next) {
79 SPItem *item = (SPItem *) l->data;
81 NR::Rect const b = sp_item_bbox_desktop(item);
83 SPCanvasItem* box = NULL;
85 if (mode == MARK) {
86 box = sp_canvas_item_new(SP_DT_CONTROLS(_desktop),
87 SP_TYPE_CTRL,
88 "mode", SP_CTRL_MODE_XOR,
89 "shape", SP_CTRL_SHAPE_DIAMOND,
90 "size", 5.0,
91 "filled", TRUE,
92 "fill_color", 0x000000ff,
93 "stroked", FALSE,
94 "stroke_color", 0x000000ff,
95 NULL);
96 sp_canvas_item_show(box);
97 SP_CTRL(box)->moveto(NR::Point(b.min()[NR::X], b.max()[NR::Y]));
99 sp_canvas_item_move_to_z(box, 0); // just low enough to not get in the way of other draggable knots
101 } else if (mode == BBOX) {
102 box = sp_canvas_item_new(
103 SP_DT_CONTROLS(_desktop),
104 SP_TYPE_CTRLRECT,
105 NULL
106 );
108 SP_CTRLRECT(box)->setRectangle(b);
109 SP_CTRLRECT(box)->setColor(0x000000a0, 0, 0);
110 SP_CTRLRECT(box)->setDashed(true);
112 sp_canvas_item_move_to_z(box, 0);
113 }
115 if (box) {
116 _item_bboxes.push_back(box);
117 }
119 SPCanvasItem* baseline_point = NULL;
120 if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item)) { // visualize baseline
121 Inkscape::Text::Layout const *layout = te_get_layout(item);
122 if (layout != NULL) {
123 NR::Point a = layout->characterAnchorPoint(layout->begin()) * sp_item_i2d_affine(item);
124 baseline_point = sp_canvas_item_new(SP_DT_CONTROLS(_desktop), SP_TYPE_CTRL,
125 "mode", SP_CTRL_MODE_XOR,
126 "size", 4.0,
127 "filled", 0,
128 "stroked", 1,
129 "stroke_color", 0x000000ff,
130 NULL);
132 sp_canvas_item_show(baseline_point);
133 SP_CTRL(baseline_point)->moveto(a);
134 sp_canvas_item_move_to_z(baseline_point, 0);
135 }
136 }
138 if (baseline_point) {
139 _text_baselines.push_back(baseline_point);
140 }
141 }
142 }
144 /*
145 Local Variables:
146 mode:c++
147 c-file-style:"stroustrup"
148 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
149 indent-tabs-mode:nil
150 fill-column:99
151 End:
152 */
153 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :