diff options
Diffstat (limited to 'src/select-context.cpp')
| -rw-r--r-- | src/select-context.cpp | 823 |
1 files changed, 823 insertions, 0 deletions
diff --git a/src/select-context.cpp b/src/select-context.cpp new file mode 100644 index 000000000..bda4012c7 --- /dev/null +++ b/src/select-context.cpp @@ -0,0 +1,823 @@ +#define __SP_SELECT_CONTEXT_C__ + +/* + * Selection and transformation context + * + * Author: + * Lauris Kaplinski <lauris@kaplinski.com> + * bulia byak <buliabyak@users.sf.net> + * + * Copyright (C) 1999-2005 authors + * + * Released under GNU GPL, read the file 'COPYING' for more information + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif +#include <gdk/gdkkeysyms.h> +#include "macros.h" +#include "rubberband.h" +#include "document.h" +#include "selection.h" +#include "seltrans-handles.h" +#include "sp-cursor.h" +#include "pixmaps/cursor-select-m.xpm" +#include "pixmaps/cursor-select-d.xpm" +#include "pixmaps/handles.xpm" +#include <glibmm/i18n.h> + +#include "select-context.h" +#include "selection-chemistry.h" +#include "desktop.h" +#include "desktop-handles.h" +#include "sp-root.h" +#include "prefs-utils.h" +#include "tools-switch.h" +#include "message-stack.h" +#include "selection-describer.h" +#include "seltrans.h" + +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); + +static void sp_select_context_setup(SPEventContext *ec); +static void sp_select_context_set(SPEventContext *ec, gchar const *key, gchar const *val); +static gint sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event); +static gint sp_select_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event); + +static SPEventContextClass *parent_class; + +static GdkCursor *CursorSelectMouseover = NULL; +static GdkCursor *CursorSelectDragging = NULL; +GdkPixbuf *handles[13]; + +static gint rb_escaped = 0; // if non-zero, rubberband was canceled by esc, so the next button release should not deselect +static gint drag_escaped = 0; // if non-zero, drag was canceled by esc + +static gint xp = 0, yp = 0; // where drag started +static gint tolerance = 0; +static bool within_tolerance = false; + +GtkType +sp_select_context_get_type(void) +{ + static GType type = 0; + if (!type) { + GTypeInfo info = { + sizeof(SPSelectContextClass), + NULL, NULL, + (GClassInitFunc) sp_select_context_class_init, + NULL, NULL, + sizeof(SPSelectContext), + 4, + (GInstanceInitFunc) sp_select_context_init, + NULL, /* value_table */ + }; + type = g_type_register_static(SP_TYPE_EVENT_CONTEXT, "SPSelectContext", &info, (GTypeFlags)0); + } + return type; +} + +static void +sp_select_context_class_init(SPSelectContextClass *klass) +{ + GObjectClass *object_class = (GObjectClass *) klass; + SPEventContextClass *event_context_class = (SPEventContextClass *) klass; + + parent_class = (SPEventContextClass*)g_type_class_peek_parent(klass); + + object_class->dispose = sp_select_context_dispose; + + event_context_class->setup = sp_select_context_setup; + 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; + + // cursors in select context + CursorSelectMouseover = sp_cursor_new_from_xpm(cursor_select_m_xpm , 1, 1); + CursorSelectDragging = sp_cursor_new_from_xpm(cursor_select_d_xpm , 1, 1); + // selection handles + handles[0] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_scale_nw_xpm); + handles[1] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_scale_ne_xpm); + handles[2] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_scale_h_xpm); + handles[3] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_scale_v_xpm); + handles[4] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_nw_xpm); + handles[5] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_n_xpm); + handles[6] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_ne_xpm); + handles[7] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_e_xpm); + handles[8] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_se_xpm); + handles[9] = gdk_pixbuf_new_from_xpm_data((gchar const **)handle_rotate_s_xpm); + 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 +sp_select_context_dispose(GObject *object) +{ + SPSelectContext *sc = SP_SELECT_CONTEXT(object); + SPEventContext * ec = SP_EVENT_CONTEXT (object); + + ec->enableGrDrag(false); + + if (sc->grabbed) { + sp_canvas_item_ungrab(sc->grabbed, GDK_CURRENT_TIME); + sc->grabbed = NULL; + } + + delete sc->_seltrans; + sc->_seltrans = NULL; + delete sc->_describer; + sc->_describer = NULL; + + if (CursorSelectDragging) { + gdk_cursor_unref (CursorSelectDragging); + CursorSelectDragging = NULL; + } + if (CursorSelectMouseover) { + gdk_cursor_unref (CursorSelectMouseover); + CursorSelectMouseover = NULL; + } + + G_OBJECT_CLASS(parent_class)->dispose(object); +} + +static void +sp_select_context_setup(SPEventContext *ec) +{ + SPSelectContext *select_context = SP_SELECT_CONTEXT(ec); + + if (((SPEventContextClass *) parent_class)->setup) { + ((SPEventContextClass *) parent_class)->setup(ec); + } + + SPDesktop *desktop = ec->desktop; + + select_context->_describer = new Inkscape::SelectionDescriber(desktop->selection, desktop->messageStack()); + + select_context->_seltrans = new Inkscape::SelTrans(desktop); + + sp_event_context_read(ec, "show"); + sp_event_context_read(ec, "transform"); + + if (prefs_get_int_attribute("tools.select", "gradientdrag", 0) != 0) { + ec->enableGrDrag(); + } +} + +static void +sp_select_context_set(SPEventContext *ec, gchar const *key, gchar const *val) +{ + SPSelectContext *sc = SP_SELECT_CONTEXT(ec); + + if (!strcmp(key, "show")) { + if (val && !strcmp(val, "outline")) { + sc->_seltrans->setShow(Inkscape::SelTrans::SHOW_OUTLINE); + } else { + sc->_seltrans->setShow(Inkscape::SelTrans::SHOW_CONTENT); + } + } +} + +static bool +sp_select_context_abort(SPEventContext *event_context) +{ + SPDesktop *desktop = event_context->desktop; + SPSelectContext *sc = SP_SELECT_CONTEXT(event_context); + Inkscape::SelTrans *seltrans = sc->_seltrans; + + if (sc->dragging) { + if (sc->moved) { // cancel dragging an object + seltrans->ungrab(); + sc->moved = FALSE; + sc->dragging = FALSE; + 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_DT_DOCUMENT(desktop)); + } + + sp_object_unref( SP_OBJECT(sc->item), NULL); + } else if (sc->button_press_ctrl) { + // 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_DT_DOCUMENT(desktop)); + } + sc->item = NULL; + + SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Move canceled.")); + return true; + } + } else { + NR::Maybe<NR::Rect> const b = Inkscape::Rubberband::get()->getRectangle(); + if (b != NR::Nothing()) { + Inkscape::Rubberband::get()->stop(); + rb_escaped = 1; + SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Selection canceled.")); + return true; + } + } + return false; +} + +bool +key_is_a_modifier (guint key) { + return (key == GDK_Alt_L || + key == GDK_Alt_R || + key == GDK_Control_L || + key == GDK_Control_R || + key == GDK_Shift_L || + key == GDK_Shift_R || + key == GDK_Meta_L || // Meta is when you press Shift+Alt (at least on my machine) + key == GDK_Meta_R); +} + +void +sp_select_context_up_one_layer(SPDesktop *desktop) +{ + /* Click in empty place, go up one level -- but don't leave a layer to root. + * + * (Rationale: we don't usually allow users to go to the root, since that + * detracts from the layer metaphor: objects at the root level can in front + * of or behind layers. Whereas it's fine to go to the root if editing + * a document that has no layers (e.g. a non-Inkscape document).) + * + * Once we support editing SVG "islands" (e.g. <svg> embedded in an xhtml + * document), we might consider further restricting the below to disallow + * leaving a layer to go to a non-layer. + */ + SPObject *const current_layer = desktop->currentLayer(); + if (current_layer) { + SPObject *const parent = SP_OBJECT_PARENT(current_layer); + if ( parent + && ( SP_OBJECT_PARENT(parent) + || !( SP_IS_GROUP(current_layer) + && ( SPGroup::LAYER + == SP_GROUP(current_layer)->layerMode() ) ) ) ) + { + desktop->setCurrentLayer(parent); + if (SP_IS_GROUP(current_layer) && SPGroup::LAYER != SP_GROUP(current_layer)->layerMode()) + SP_DT_SELECTION(desktop)->set(current_layer); + } + } +} + +static gint +sp_select_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event) +{ + gint ret = FALSE; + + SPDesktop *desktop = event_context->desktop; + SPSelectContext *sc = SP_SELECT_CONTEXT(event_context); + Inkscape::SelTrans *seltrans = sc->_seltrans; + + tolerance = prefs_get_int_attribute_limited("options.dragtolerance", "value", 0, 0, 100); + + // make sure we still have valid objects to move around + if (sc->item && SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))==NULL) { + sp_select_context_abort(event_context); + } + + switch (event->type) { + case GDK_BUTTON_PRESS: + if (event->button.button == 1) { + /* Left mousebutton */ + + // save drag origin + xp = (gint) event->button.x; + yp = (gint) event->button.y; + within_tolerance = true; + + // remember what modifiers were on before button press + sc->button_press_shift = (event->button.state & GDK_SHIFT_MASK) ? true : false; + sc->button_press_ctrl = (event->button.state & GDK_CONTROL_MASK) ? true : false; + sc->button_press_alt = (event->button.state & GDK_MOD1_MASK) ? true : false; + + if (event->button.state & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) { + // if shift or ctrl was pressed, do not move objects; + // pass the event to root handler which will perform rubberband, shift-click, ctrl-click, ctrl-drag + } else { + sc->dragging = TRUE; + sc->moved = FALSE; + + // remember the clicked item in sc->item: + sc->item = sp_event_context_find_item (desktop, + NR::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, FALSE); + sp_object_ref(sc->item, NULL); + + rb_escaped = drag_escaped = 0; + + sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->drawing), + GDK_KEY_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | + GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK, + NULL, event->button.time); + sc->grabbed = SP_CANVAS_ITEM(desktop->drawing); + + ret = TRUE; + } + } else if (event->button.button == 3) { + // right click; do not eat it so that right-click menu can appear, but cancel dragging & rubberband + sp_select_context_abort(event_context); + } + break; + + case GDK_ENTER_NOTIFY: + { + GdkCursor *cursor = gdk_cursor_new(GDK_FLEUR); + gdk_window_set_cursor(GTK_WIDGET(SP_DT_CANVAS(desktop))->window, cursor); + gdk_cursor_destroy(cursor); + break; + } + + case GDK_LEAVE_NOTIFY: + gdk_window_set_cursor(GTK_WIDGET(SP_DT_CANVAS(desktop))->window, event_context->cursor); + break; + + case GDK_KEY_PRESS: + if (get_group0_keyval (&event->key) == GDK_space) { + if (sc->dragging && sc->grabbed) { + /* stamping mode: show content mode moving */ + seltrans->stamp(); + ret = TRUE; + } + } + break; + + default: + break; + } + + if (!ret) { + if (((SPEventContextClass *) parent_class)->item_handler) + ret = ((SPEventContextClass *) parent_class)->item_handler(event_context, item, event); + } + + return ret; +} + +static gint +sp_select_context_root_handler(SPEventContext *event_context, GdkEvent *event) +{ + SPItem *item = NULL; + SPItem *item_at_point = NULL, *group_at_point = NULL, *item_in_group = NULL; + gint ret = FALSE; + + SPDesktop *desktop = event_context->desktop; + SPSelectContext *sc = SP_SELECT_CONTEXT(event_context); + Inkscape::SelTrans *seltrans = sc->_seltrans; + Inkscape::Selection *selection = SP_DT_SELECTION(desktop); + gdouble const nudge = prefs_get_double_attribute_limited("options.nudgedistance", "value", 2, 0, 1000); // in px + gdouble const offset = prefs_get_double_attribute_limited("options.defaultscale", "value", 2, 0, 1000); + tolerance = prefs_get_int_attribute_limited("options.dragtolerance", "value", 0, 0, 100); + int const snaps = prefs_get_int_attribute("options.rotationsnapsperpi", "value", 12); + + // make sure we still have valid objects to move around + if (sc->item && SP_OBJECT_DOCUMENT( SP_OBJECT(sc->item))==NULL) { + sp_select_context_abort(event_context); + } + + switch (event->type) { + case GDK_2BUTTON_PRESS: + if (event->button.button == 1) { + if (!selection->isEmpty()) { + SPItem *clicked_item = (SPItem *) selection->itemList()->data; + if (SP_IS_GROUP (clicked_item)) { // enter group + desktop->setCurrentLayer(reinterpret_cast<SPObject *>(clicked_item)); + SP_DT_SELECTION(desktop)->clear(); + sc->dragging = false; + } else { // switch tool + tools_switch_by_item (desktop, clicked_item); + } + } else { + sp_select_context_up_one_layer(desktop); + } + ret = TRUE; + } + break; + case GDK_BUTTON_PRESS: + if (event->button.button == 1) { + + // save drag origin + xp = (gint) event->button.x; + yp = (gint) event->button.y; + within_tolerance = true; + + NR::Point const button_pt(event->button.x, event->button.y); + NR::Point const p(desktop->w2d(button_pt)); + Inkscape::Rubberband::get()->start(desktop, p); + sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate), + GDK_KEY_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK, + NULL, event->button.time); + sc->grabbed = SP_CANVAS_ITEM(desktop->acetate); + + // remember what modifiers were on before button press + sc->button_press_shift = (event->button.state & GDK_SHIFT_MASK) ? true : false; + sc->button_press_ctrl = (event->button.state & GDK_CONTROL_MASK) ? true : false; + sc->button_press_alt = (event->button.state & GDK_MOD1_MASK) ? true : false; + + sc->moved = FALSE; + + rb_escaped = drag_escaped = 0; + + ret = TRUE; + } else if (event->button.button == 3) { + // right click; do not eat it so that right-click menu can appear, but cancel dragging & rubberband + sp_select_context_abort(event_context); + } + break; + + case GDK_MOTION_NOTIFY: + if (event->motion.state & GDK_BUTTON1_MASK) { + NR::Point const motion_pt(event->motion.x, event->motion.y); + NR::Point const p(desktop->w2d(motion_pt)); + + if ( within_tolerance + && ( abs( (gint) event->motion.x - xp ) < tolerance ) + && ( abs( (gint) event->motion.y - yp ) < tolerance ) ) { + break; // do not drag if we're within tolerance from origin + } + // Once the user has moved farther than tolerance from the original location + // (indicating they intend to move the object, not click), then always process the + // motion notify coordinates as given (no snapping back to origin) + within_tolerance = false; + + if (sc->button_press_ctrl || sc->button_press_alt) // if ctrl or alt was pressed and it's not click, we want to drag rather than rubberband + sc->dragging = TRUE; + + if (sc->dragging) { + /* User has dragged fast, so we get events on root (lauris)*/ + // not only that; we will end up here when ctrl-dragging as well + // and also when we started within tolerance, but trespassed tolerance outside of item + Inkscape::Rubberband::get()->stop(); + item_at_point = desktop->item_at_point(NR::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(NR::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(NR::Point(event->button.x, event->button.y), TRUE); + group_at_point = desktop->group_at_point(NR::Point(event->button.x, event->button.y)); + // if neither a group nor an item (possibly in a group) at point are selected, set selection to the item at point + if ((!item_in_group || !selection->includes(item_in_group)) && + (!group_at_point || !selection->includes(group_at_point)) + && !sc->button_press_alt) { + // select what is under cursor + if (!seltrans->isEmpty()) { + seltrans->resetState(); + } + // when simply ctrl-dragging, we don't want to go into groups + 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); + sc->moved = TRUE; + } + if (!seltrans->isEmpty()) + seltrans->moveTo(p, event->button.state); + if (desktop->scroll_to_point(&p)) + // unfortunately in complex drawings, gobbling results in losing grab of the object, for some mysterious reason + ; //gobble_motion_events(GDK_BUTTON1_MASK); + ret = TRUE; + } else { + sc->dragging = FALSE; + } + } else { + Inkscape::Rubberband::get()->move(p); + gobble_motion_events(GDK_BUTTON1_MASK); + } + } + break; + case GDK_BUTTON_RELEASE: + xp = yp = 0; + if ((event->button.button == 1) && (sc->grabbed)) { + if (sc->dragging) { + if (sc->moved) { + // item has been moved + seltrans->ungrab(); + sc->moved = FALSE; + } else if (sc->item && !drag_escaped) { + // item has not been moved -> simply a click, do selecting + if (!selection->isEmpty()) { + if (event->button.state & GDK_SHIFT_MASK) { + // with shift, toggle selection + seltrans->resetState(); + selection->toggle(sc->item); + } else { + // without shift, increase state (i.e. toggle scale/rotation handles) + if (selection->includes(sc->item)) { + seltrans->increaseState(); + } else { + seltrans->resetState(); + selection->set(sc->item); + } + } + } else { // simple or shift click, no previous selection + seltrans->resetState(); + selection->set(sc->item); + } + } + sc->dragging = FALSE; + if (sc->item) { + sp_object_unref( SP_OBJECT(sc->item), NULL); + } + sc->item = NULL; + } else { + NR::Maybe<NR::Rect> const b = Inkscape::Rubberband::get()->getRectangle(); + if (b != NR::Nothing() && !within_tolerance) { + // this was a rubberband drag + Inkscape::Rubberband::get()->stop(); + seltrans->resetState(); + // find out affected items: + GSList *items = sp_document_items_in_box(SP_DT_DOCUMENT(desktop), desktop->dkey, b.assume()); + if (event->button.state & GDK_SHIFT_MASK) { + // with shift, add to selection + selection->addList (items); + } else { + // without shift, simply select anew + selection->setList (items); + } + g_slist_free (items); + } else { // it was just a click, or a too small rubberband + Inkscape::Rubberband::get()->stop(); + if (sc->button_press_shift && !rb_escaped && !drag_escaped) { + // this was a shift-click, select what was clicked upon + + sc->button_press_shift = false; + + if (sc->button_press_ctrl) { + // go into groups, honoring Alt + item = sp_event_context_find_item (desktop, + NR::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, TRUE); + sc->button_press_ctrl = FALSE; + } else { + // don't go into groups, honoring Alt + item = sp_event_context_find_item (desktop, + NR::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, FALSE); + } + + if (item) { + selection->toggle(item); + item = NULL; + } + + } else if (sc->button_press_ctrl && !rb_escaped && !drag_escaped) { // ctrl-click + + sc->button_press_ctrl = FALSE; + + item = sp_event_context_find_item (desktop, + NR::Point(event->button.x, event->button.y), event->button.state & GDK_MOD1_MASK, TRUE); + + if (item) { + if (selection->includes(item)) { + seltrans->increaseState(); + } else { + seltrans->resetState(); + selection->set(item); + } + item = NULL; + } + + } else { // click without shift, simply deselect, unless with Alt or something was cancelled + if (!selection->isEmpty()) { + if (!(rb_escaped) && !(drag_escaped) && !(event->button.state & GDK_MOD1_MASK)) + selection->clear(); + rb_escaped = 0; + ret = TRUE; + } + } + } + ret = TRUE; + } + if (sc->grabbed) { + sp_canvas_item_ungrab(sc->grabbed, event->button.time); + sc->grabbed = NULL; + } + } + sc->button_press_shift = false; + sc->button_press_ctrl = false; + sc->button_press_alt = false; + break; + + case GDK_KEY_PRESS: // keybindings for select context + + if (!key_is_a_modifier (get_group0_keyval (&event->key))) { + event_context->defaultMessageContext()->clear(); + } else { + sp_event_show_modifier_tip (event_context->defaultMessageContext(), event, + _("<b>Ctrl</b>: select in groups, move hor/vert"), + _("<b>Shift</b>: toggle select, force rubberband, disable snapping"), + _("<b>Alt</b>: select under, move selected")); + break; + } + + switch (get_group0_keyval (&event->key)) { + case GDK_Left: // move selection left + case GDK_KP_Left: + case GDK_KP_4: + if (!MOD__CTRL) { // not ctrl + if (MOD__ALT) { // alt + if (MOD__SHIFT) sp_selection_move_screen(-10, 0); // shift + else sp_selection_move_screen(-1, 0); // no shift + } + else { // no alt + if (MOD__SHIFT) sp_selection_move(-10*nudge, 0); // shift + else sp_selection_move(-nudge, 0); // no shift + } + ret = TRUE; + } + break; + case GDK_Up: // move selection up + case GDK_KP_Up: + case GDK_KP_8: + if (!MOD__CTRL) { // not ctrl + if (MOD__ALT) { // alt + if (MOD__SHIFT) sp_selection_move_screen(0, 10); // shift + else sp_selection_move_screen(0, 1); // no shift + } + else { // no alt + if (MOD__SHIFT) sp_selection_move(0, 10*nudge); // shift + else sp_selection_move(0, nudge); // no shift + } + ret = TRUE; + } + break; + case GDK_Right: // move selection right + case GDK_KP_Right: + case GDK_KP_6: + if (!MOD__CTRL) { // not ctrl + if (MOD__ALT) { // alt + if (MOD__SHIFT) sp_selection_move_screen(10, 0); // shift + else sp_selection_move_screen(1, 0); // no shift + } + else { // no alt + if (MOD__SHIFT) sp_selection_move(10*nudge, 0); // shift + else sp_selection_move(nudge, 0); // no shift + } + ret = TRUE; + } + break; + case GDK_Down: // move selection down + case GDK_KP_Down: + case GDK_KP_2: + if (!MOD__CTRL) { // not ctrl + if (MOD__ALT) { // alt + if (MOD__SHIFT) sp_selection_move_screen(0, -10); // shift + else sp_selection_move_screen(0, -1); // no shift + } + else { // no alt + if (MOD__SHIFT) sp_selection_move(0, -10*nudge); // shift + else sp_selection_move(0, -nudge); // no shift + } + ret = TRUE; + } + break; + case GDK_Escape: + if (!sp_select_context_abort(event_context)) + selection->clear(); + ret = TRUE; + break; + case GDK_a: + case GDK_A: + if (MOD__CTRL_ONLY) { + sp_edit_select_all(); + ret = TRUE; + } + break; + case GDK_Tab: // Tab - cycle selection forward + if (!(MOD__CTRL_ONLY || (MOD__CTRL && MOD__SHIFT))) { + sp_selection_item_next(); + ret = TRUE; + } + break; + case GDK_ISO_Left_Tab: // Shift Tab - cycle selection backward + if (!(MOD__CTRL_ONLY || (MOD__CTRL && MOD__SHIFT))) { + sp_selection_item_prev(); + ret = TRUE; + } + break; + case GDK_space: + /* stamping mode: show outline mode moving */ + /* FIXME: Is next condition ok? (lauris) */ + if (sc->dragging && sc->grabbed) { + seltrans->stamp(); + ret = TRUE; + } + break; + case GDK_x: + case GDK_X: + if (MOD__ALT_ONLY) { + desktop->setToolboxFocusTo ("altx"); + ret = TRUE; + } + break; + case GDK_bracketleft: + if (MOD__ALT) { + sp_selection_rotate_screen(selection, 1); + } else if (MOD__CTRL) { + sp_selection_rotate(selection, 90); + } else if (snaps) { + sp_selection_rotate(selection, 180/snaps); + } + ret = TRUE; + break; + case GDK_bracketright: + if (MOD__ALT) { + sp_selection_rotate_screen(selection, -1); + } else if (MOD__CTRL) { + sp_selection_rotate(selection, -90); + } else if (snaps) { + sp_selection_rotate(selection, -180/snaps); + } + ret = TRUE; + break; + case GDK_less: + case GDK_comma: + if (MOD__ALT) { + sp_selection_scale_screen(selection, -2); + } else if (MOD__CTRL) { + sp_selection_scale_times(selection, 0.5); + } else { + sp_selection_scale(selection, -offset); + } + ret = TRUE; + break; + case GDK_greater: + case GDK_period: + if (MOD__ALT) { + sp_selection_scale_screen(selection, 2); + } else if (MOD__CTRL) { + sp_selection_scale_times(selection, 2); + } else { + sp_selection_scale(selection, offset); + } + ret = TRUE; + break; + case GDK_Return: + if (MOD__CTRL_ONLY) { + if (selection->singleItem()) { + SPItem *clicked_item = selection->singleItem(); + if (SP_IS_GROUP (clicked_item)) { // enter group + desktop->setCurrentLayer(reinterpret_cast<SPObject *>(clicked_item)); + SP_DT_SELECTION(desktop)->clear(); + } else { + SP_EVENT_CONTEXT(sc)->desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Selected object is not a group. Cannot enter.")); + } + } + ret = TRUE; + } + break; + case GDK_BackSpace: + if (MOD__CTRL_ONLY) { + sp_select_context_up_one_layer(desktop); + ret = TRUE; + } + break; + default: + break; + } + break; + case GDK_KEY_RELEASE: + if (key_is_a_modifier (get_group0_keyval (&event->key))) + event_context->defaultMessageContext()->clear(); + break; + default: + break; + } + + if (!ret) { + if (((SPEventContextClass *) parent_class)->root_handler) + ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event); + } + + return ret; +} + + +/* + 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 : |