moving trunk for module inkscape

(bzr r1)

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 :