Code

GSoC C++-ificiation merge and cleanup.
[inkscape.git] / src / select-context.cpp
index aed594feeaaece89eeb7ee3644b1527b093001f0..febcc282d7b2f5a349b1cc893bd1dc948d5000f3 100644 (file)
@@ -1,11 +1,10 @@
-#define __SP_SELECT_CONTEXT_C__
-
 /*
  * Selection and transformation context
  *
  * Authors:
  *   Lauris Kaplinski <lauris@kaplinski.com>
  *   bulia byak <buliabyak@users.sf.net>
+ *   Abhishek Sharma
  *
  * Copyright (C) 2006      Johan Engelen <johan@shouraizou.nl>
  * Copyright (C) 1999-2005 Authors
@@ -42,6 +41,8 @@
 #include "seltrans.h"
 #include "box3d.h"
 
+using Inkscape::DocumentUndo;
+
 static void sp_select_context_class_init(SPSelectContextClass *klass);
 static void sp_select_context_init(SPSelectContext *select_context);
 static void sp_select_context_dispose(GObject *object);
@@ -98,6 +99,18 @@ sp_select_context_class_init(SPSelectContextClass *klass)
     event_context_class->set = sp_select_context_set;
     event_context_class->root_handler = sp_select_context_root_handler;
     event_context_class->item_handler = sp_select_context_item_handler;
+}
+
+static void
+sp_select_context_init(SPSelectContext *sc)
+{
+    sc->dragging = FALSE;
+    sc->moved = FALSE;
+    sc->button_press_shift = false;
+    sc->button_press_ctrl = false;
+    sc->button_press_alt = false;
+    sc->_seltrans = NULL;
+    sc->_describer = NULL;
 
     // cursors in select context
     CursorSelectMouseover = sp_cursor_new_from_xpm(cursor_select_m_xpm , 1, 1);
@@ -116,19 +129,6 @@ sp_select_context_class_init(SPSelectContextClass *klass)
     handles[10] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_sw_xpm);
     handles[11] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_w_xpm);
     handles[12] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_center_xpm);
-
-}
-
-static void
-sp_select_context_init(SPSelectContext *sc)
-{
-    sc->dragging = FALSE;
-    sc->moved = FALSE;
-    sc->button_press_shift = false;
-    sc->button_press_ctrl = false;
-    sc->button_press_alt = false;
-    sc->_seltrans = NULL;
-    sc->_describer = NULL;
 }
 
 static void
@@ -172,7 +172,12 @@ sp_select_context_setup(SPEventContext *ec)
 
     SPDesktop *desktop = ec->desktop;
 
-    select_context->_describer = new Inkscape::SelectionDescriber(desktop->selection, desktop->messageStack());
+    select_context->_describer = new Inkscape::SelectionDescriber(
+                desktop->selection, 
+                desktop->messageStack(),
+                _("Click selection to toggle scale/rotation handles"),
+                _("No objects selected. Click, Shift+click, or drag around objects to select.")
+        );
 
     select_context->_seltrans = new Inkscape::SelTrans(desktop);
 
@@ -212,13 +217,13 @@ sp_select_context_abort(SPEventContext *event_context)
             seltrans->ungrab();
             sc->moved = FALSE;
             sc->dragging = FALSE;
-            sp_event_context_snap_window_closed(event_context);
+            sp_event_context_discard_delayed_snap_event(event_context);
             drag_escaped = 1;
 
             if (sc->item) {
                 // only undo if the item is still valid
                 if (SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))) {
-                    sp_document_undo(sp_desktop_document(desktop));
+                    DocumentUndo::undo(sp_desktop_document(desktop));
                 }
 
                 sp_object_unref( SP_OBJECT(sc->item), NULL);
@@ -226,7 +231,7 @@ sp_select_context_abort(SPEventContext *event_context)
                 // NOTE:  This is a workaround to a bug.
                 // When the ctrl key is held, sc->item is not defined
                 // so in this case (only), we skip the object doc check
-                sp_document_undo(sp_desktop_document(desktop));
+                DocumentUndo::undo(sp_desktop_document(desktop));
             }
             sc->item = NULL;
 
@@ -324,9 +329,10 @@ sp_select_context_item_handler(SPEventContext *event_context, SPItem *item, GdkE
                     // pass the event to root handler which will perform rubberband, shift-click, ctrl-click, ctrl-drag
                 } else {
                     sc->dragging = TRUE;
-                    sp_event_context_snap_window_open(event_context);
                     sc->moved = FALSE;
 
+                    gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, CursorSelectDragging);
+
                     sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 5);
 
                     // remember the clicked item in sc->item:
@@ -362,16 +368,14 @@ sp_select_context_item_handler(SPEventContext *event_context, SPItem *item, GdkE
 
         case GDK_ENTER_NOTIFY:
         {
-            if (!desktop->isWaitingCursor()) {
-                GdkCursor *cursor = gdk_cursor_new(GDK_FLEUR);
-                gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, cursor);
-                gdk_cursor_destroy(cursor);
+            if (!desktop->isWaitingCursor() && !sc->dragging) {
+                gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, CursorSelectMouseover);
             }
             break;
         }
 
         case GDK_LEAVE_NOTIFY:
-            if (!desktop->isWaitingCursor())
+            if (!desktop->isWaitingCursor() && !sc->dragging)
                 gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, event_context->cursor);
             break;
 
@@ -424,7 +428,7 @@ sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                         desktop->setCurrentLayer(reinterpret_cast<SPObject *>(clicked_item));
                         sp_desktop_selection(desktop)->clear();
                         sc->dragging = false;
-                        sp_event_context_snap_window_closed(event_context);
+                        sp_event_context_discard_delayed_snap_event(event_context);
 
                         sp_canvas_end_forced_full_redraws(desktop->canvas);
                     } else { // switch tool
@@ -495,10 +499,8 @@ sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                 if (sc->button_press_ctrl || (sc->button_press_alt && !sc->button_press_shift && !selection->isEmpty())) {
                     // if it's not click and ctrl or alt was pressed (the latter with some selection
                     // but not with shift) we want to drag rather than rubberband
-                       if (sc->dragging == FALSE) {
-                               sp_event_context_snap_window_open(event_context);
-                       }
-                       sc->dragging = TRUE;
+                       sc->dragging = TRUE;
+                    gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, CursorSelectDragging);
 
                     sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 5);
                 }
@@ -509,14 +511,14 @@ sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                     // and also when we started within tolerance, but trespassed tolerance outside of item
                     Inkscape::Rubberband::get(desktop)->stop();
                     SP_EVENT_CONTEXT(sc)->defaultMessageContext()->clear();
-                    item_at_point = desktop->item_at_point(Geom::Point(event->button.x, event->button.y), FALSE);
+                    item_at_point = desktop->getItemAtPoint(Geom::Point(event->button.x, event->button.y), FALSE);
                     if (!item_at_point) // if no item at this point, try at the click point (bug 1012200)
-                        item_at_point = desktop->item_at_point(Geom::Point(xp, yp), FALSE);
+                        item_at_point = desktop->getItemAtPoint(Geom::Point(xp, yp), FALSE);
                     if (item_at_point || sc->moved || sc->button_press_alt) {
                         // drag only if starting from an item, or if something is already grabbed, or if alt-dragging
                         if (!sc->moved) {
-                            item_in_group = desktop->item_at_point(Geom::Point(event->button.x, event->button.y), TRUE);
-                            group_at_point = desktop->group_at_point(Geom::Point(event->button.x, event->button.y));
+                            item_in_group = desktop->getItemAtPoint(Geom::Point(event->button.x, event->button.y), TRUE);
+                            group_at_point = desktop->getGroupAtPoint(Geom::Point(event->button.x, event->button.y));
                             if (SP_IS_LAYER(selection->single()))
                                 group_at_point = SP_GROUP(selection->single());
 
@@ -539,7 +541,7 @@ sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                                 if (item_at_point && !selection->includes(item_at_point))
                                     selection->set(item_at_point);
                             } // otherwise, do not change selection so that dragging selected-within-group items, as well as alt-dragging, is possible
-                            seltrans->grab(p, -1, -1, FALSE);
+                            seltrans->grab(p, -1, -1, FALSE, TRUE);
                             sc->moved = TRUE;
                         }
                         if (!seltrans->isEmpty())
@@ -549,7 +551,7 @@ sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                         ret = TRUE;
                     } else {
                         sc->dragging = FALSE;
-                        sp_event_context_snap_window_closed(event_context);
+                        sp_event_context_discard_delayed_snap_event(event_context);
                         sp_canvas_end_forced_full_redraws(desktop->canvas);
                     }
                 } else {
@@ -598,7 +600,8 @@ sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                         }
                     }
                     sc->dragging = FALSE;
-                    sp_event_context_snap_window_closed(event_context);
+                    gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, CursorSelectMouseover);
+                    sp_event_context_discard_delayed_snap_event(event_context);
                     sp_canvas_end_forced_full_redraws(desktop->canvas);
 
                     if (sc->item) {
@@ -606,15 +609,15 @@ sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                     }
                     sc->item = NULL;
                 } else {
-                    Inkscape::Rubberband::Rubberband *r = Inkscape::Rubberband::get(desktop);
+                    Inkscape::Rubberband *r = Inkscape::Rubberband::get(desktop);
                     if (r->is_started() && !within_tolerance) {
                         // this was a rubberband drag
                         GSList *items = NULL;
                         if (r->getMode() == RUBBERBAND_MODE_RECT) {
                             Geom::OptRect const b = r->getRectangle();
-                            items = sp_document_items_in_box(sp_desktop_document(desktop), desktop->dkey, *b);
+                            items = sp_desktop_document(desktop)->getItemsInBox(desktop->dkey, *b);
                         } else if (r->getMode() == RUBBERBAND_MODE_TOUCHPATH) {
-                            items = sp_document_items_at_points(sp_desktop_document(desktop), desktop->dkey, r->getPoints());
+                            items = sp_desktop_document(desktop)->getItemsAtPoints(desktop->dkey, r->getPoints());
                         }
 
                         seltrans->resetState();
@@ -727,9 +730,7 @@ sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event)
                                                 _("<b>Alt</b>: click to select under; drag to move selected or select by touch"));
                     // if Alt and nonempty selection, show moving cursor ("move selected"):
                     if (alt && !selection->isEmpty() && !desktop->isWaitingCursor()) {
-                        GdkCursor *cursor = gdk_cursor_new(GDK_FLEUR);
-                        gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, cursor);
-                        gdk_cursor_destroy(cursor);
+                        gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, CursorSelectDragging);
                     }
                     //*/
                     break;