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Diffstat (limited to 'src/selcue.cpp')
| -rw-r--r-- | src/selcue.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/selcue.cpp b/src/selcue.cpp new file mode 100644 index 000000000..845561d18 --- /dev/null +++ b/src/selcue.cpp @@ -0,0 +1,153 @@ +#define __SELCUE_C__ + +/* + * Helper object for showing selected items + * + * Authors: + * bulia byak <bulia@users.sf.net> + * Carl Hetherington <inkscape@carlh.net> + * + * Copyright (C) 2004 Authors + * + * Released under GNU GPL, read the file 'COPYING' for more information + */ + +#include "desktop-handles.h" +#include "selection.h" +#include "display/sp-canvas-util.h" +#include "display/sodipodi-ctrl.h" +#include "display/sodipodi-ctrlrect.h" +#include "libnrtype/Layout-TNG.h" +#include "text-editing.h" +#include "sp-text.h" +#include "sp-flowtext.h" +#include "prefs-utils.h" +#include "selcue.h" + +Inkscape::SelCue::SelCue(SPDesktop *desktop) + : _desktop(desktop) +{ + _selection = SP_DT_SELECTION(_desktop); + + _sel_changed_connection = _selection->connectChanged( + sigc::hide(sigc::mem_fun(*this, &Inkscape::SelCue::_updateItemBboxes)) + ); + + _sel_modified_connection = _selection->connectModified( + sigc::hide(sigc::hide(sigc::mem_fun(*this, &Inkscape::SelCue::_updateItemBboxes))) + ); + + _updateItemBboxes(); +} + +Inkscape::SelCue::~SelCue() +{ + _sel_changed_connection.disconnect(); + _sel_modified_connection.disconnect(); + + for (std::list<SPCanvasItem*>::iterator i = _item_bboxes.begin(); i != _item_bboxes.end(); i++) { + gtk_object_destroy(*i); + } + _item_bboxes.clear(); + + for (std::list<SPCanvasItem*>::iterator i = _text_baselines.begin(); i != _text_baselines.end(); i++) { + gtk_object_destroy(*i); + } + _text_baselines.clear(); +} + +void Inkscape::SelCue::_updateItemBboxes() +{ + for (std::list<SPCanvasItem*>::iterator i = _item_bboxes.begin(); i != _item_bboxes.end(); i++) { + gtk_object_destroy(*i); + } + _item_bboxes.clear(); + + for (std::list<SPCanvasItem*>::iterator i = _text_baselines.begin(); i != _text_baselines.end(); i++) { + gtk_object_destroy(*i); + } + _text_baselines.clear(); + + gint mode = prefs_get_int_attribute ("options.selcue", "value", MARK); + if (mode == NONE) { + return; + } + + g_return_if_fail(_selection != NULL); + + for (GSList const *l = _selection->itemList(); l != NULL; l = l->next) { + SPItem *item = (SPItem *) l->data; + + NR::Rect const b = sp_item_bbox_desktop(item); + + SPCanvasItem* box = NULL; + + if (mode == MARK) { + box = sp_canvas_item_new(SP_DT_CONTROLS(_desktop), + SP_TYPE_CTRL, + "mode", SP_CTRL_MODE_XOR, + "shape", SP_CTRL_SHAPE_DIAMOND, + "size", 5.0, + "filled", TRUE, + "fill_color", 0x000000ff, + "stroked", FALSE, + "stroke_color", 0x000000ff, + NULL); + sp_canvas_item_show(box); + SP_CTRL(box)->moveto(NR::Point(b.min()[NR::X], b.max()[NR::Y])); + + sp_canvas_item_move_to_z(box, 0); // just low enough to not get in the way of other draggable knots + + } else if (mode == BBOX) { + box = sp_canvas_item_new( + SP_DT_CONTROLS(_desktop), + SP_TYPE_CTRLRECT, + NULL + ); + + SP_CTRLRECT(box)->setRectangle(b); + SP_CTRLRECT(box)->setColor(0x000000a0, 0, 0); + SP_CTRLRECT(box)->setDashed(true); + + sp_canvas_item_move_to_z(box, 0); + } + + if (box) { + _item_bboxes.push_back(box); + } + + SPCanvasItem* baseline_point = NULL; + if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item)) { // visualize baseline + Inkscape::Text::Layout const *layout = te_get_layout(item); + if (layout != NULL) { + NR::Point a = layout->characterAnchorPoint(layout->begin()) * sp_item_i2d_affine(item); + baseline_point = sp_canvas_item_new(SP_DT_CONTROLS(_desktop), SP_TYPE_CTRL, + "mode", SP_CTRL_MODE_XOR, + "size", 4.0, + "filled", 0, + "stroked", 1, + "stroke_color", 0x000000ff, + NULL); + + sp_canvas_item_show(baseline_point); + SP_CTRL(baseline_point)->moveto(a); + sp_canvas_item_move_to_z(baseline_point, 0); + } + } + + if (baseline_point) { + _text_baselines.push_back(baseline_point); + } + } +} + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 : |