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diff --git a/src/desktop-events.cpp b/src/desktop-events.cpp
index bab39d332b6bddd84a49890b6efe2ccb0ffb6e94..f7697a6c06d4ebe93dc7ffa5ae5897986c876566 100644 (file)
--- a/src/desktop-events.cpp
+++ b/src/desktop-events.cpp
-#define __SP_DESKTOP_EVENTS_C__
-
-/*
- * Event handlers for SPDesktop
- *
- * Author:
+/** @file
+ * @brief Event handlers for SPDesktop
+ */
+/* Author:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 1999-2002 Lauris Kaplinski
+ * Copyright (C) 1999-2010 Others
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
+#include <map>
+#include <string>
+#include <2geom/line.h>
+#include <glibmm/i18n.h>
+
+#include "desktop.h"
+#include "desktop-handles.h"
+#include "dialogs/dialog-events.h"
+#include "display/canvas-axonomgrid.h"
+#include "display/canvas-grid.h"
#include "display/guideline.h"
+#include "display/snap-indicator.h"
+#include "document.h"
+#include "event-context.h"
+#include "helper/action.h"
#include "helper/unit-menu.h"
#include "helper/units.h"
-#include "desktop.h"
-#include "document.h"
+#include "message-context.h"
+#include "preferences.h"
+#include "snap.h"
#include "sp-guide.h"
+#include "sp-metrics.h"
#include "sp-namedview.h"
-#include "desktop-handles.h"
-#include "event-context.h"
+#include "tools-switch.h"
+#include "ui/dialog/guides.h"
#include "widgets/desktop-widget.h"
-#include "sp-metrics.h"
-#include <glibmm/i18n.h>
-#include "dialogs/dialog-events.h"
-#include "message-context.h"
#include "xml/repr.h"
-#include "dialogs/guidelinedialog.h"
-
-/* Root item handler */
-
-int sp_desktop_root_handler(SPCanvasItem *item, GdkEvent *event, SPDesktop *desktop)
-{
- return sp_event_context_root_handler(desktop->event_context, event);
-}
+static void snoop_extended(GdkEvent* event, SPDesktop *desktop);
+static void init_extended();
-/*
- * fixme: this conatins a hack, to deal with deleting a view, which is
- * completely on another view, in which case active_desktop will not be updated
- *
- */
+/* Root item handler */
-int sp_desktop_item_handler(SPCanvasItem *item, GdkEvent *event, gpointer data)
+int sp_desktop_root_handler(SPCanvasItem */*item*/, GdkEvent *event, SPDesktop *desktop)
{
- gpointer ddata = gtk_object_get_data(GTK_OBJECT(item->canvas), "SPDesktop");
- g_return_val_if_fail(ddata != NULL, FALSE);
+ static bool watch = false;
+ static bool first = true;
- SPDesktop *desktop = static_cast<SPDesktop*>(ddata);
+ if ( first ) {
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ if ( prefs->getBool("/options/useextinput/value", true)
+ && prefs->getBool("/options/switchonextinput/value") ) {
+ watch = true;
+ init_extended();
+ }
+ first = false;
+ }
+ if ( watch ) {
+ snoop_extended(event, desktop);
+ }
- return sp_event_context_item_handler(desktop->event_context, SP_ITEM(data), event);
+ return sp_event_context_root_handler(desktop->event_context, event);
}
-
static gint sp_dt_ruler_event(GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw, bool horiz)
{
static bool dragging = false;
static SPCanvasItem *guide = NULL;
+ static Geom::Point normal;
int wx, wy;
SPDesktop *desktop = dtw->desktop;
Inkscape::XML::Node *repr = SP_OBJECT_REPR(desktop->namedview);
gdk_window_get_pointer(GTK_WIDGET(dtw->canvas)->window, &wx, &wy, NULL);
- NR::Point const event_win(wx, wy);
+ Geom::Point const event_win(wx, wy);
+
+ gint width, height;
+ gdk_window_get_geometry(GTK_WIDGET(dtw->canvas)->window, NULL /*x*/, NULL /*y*/, &width, &height, NULL/*depth*/);
switch (event->type) {
- case GDK_BUTTON_PRESS:
+ case GDK_BUTTON_PRESS:
if (event->button.button == 1) {
dragging = true;
- NR::Point const event_w(sp_canvas_window_to_world(dtw->canvas, event_win));
- NR::Point const event_dt(desktop->w2d(event_w));
+
+ Geom::Point const event_w(sp_canvas_window_to_world(dtw->canvas, event_win));
+ Geom::Point const event_dt(desktop->w2d(event_w));
// explicitly show guidelines; if I draw a guide, I want them on
sp_repr_set_boolean(repr, "showguides", TRUE);
sp_repr_set_boolean(repr, "inkscape:guide-bbox", TRUE);
- double const guide_pos_dt = event_dt[ horiz
- ? NR::Y
- : NR::X ];
- guide = sp_guideline_new(desktop->guides, guide_pos_dt, !horiz);
+ // calculate the normal of the guidelines when dragged from the edges of rulers.
+ Geom::Point normal_bl_to_tr(-1.,1.); //bottomleft to topright
+ Geom::Point normal_tr_to_bl(1.,1.); //topright to bottomleft
+ normal_bl_to_tr.normalize();
+ normal_tr_to_bl.normalize();
+ Inkscape::CanvasGrid * grid = sp_namedview_get_first_enabled_grid(desktop->namedview);
+ if ( grid && grid->getGridType() == Inkscape::GRID_AXONOMETRIC ) {
+ Inkscape::CanvasAxonomGrid *axonomgrid = dynamic_cast<Inkscape::CanvasAxonomGrid *>(grid);
+ if (event->button.state & GDK_CONTROL_MASK) {
+ // guidelines normal to gridlines
+ normal_bl_to_tr = Geom::Point::polar(-axonomgrid->angle_rad[0], 1.0);
+ normal_tr_to_bl = Geom::Point::polar(axonomgrid->angle_rad[2], 1.0);
+ } else {
+ normal_bl_to_tr = rot90(Geom::Point::polar(axonomgrid->angle_rad[2], 1.0));
+ normal_tr_to_bl = rot90(Geom::Point::polar(-axonomgrid->angle_rad[0], 1.0));
+ }
+ }
+ if (horiz) {
+ if (wx < 50) {
+ normal = normal_bl_to_tr;
+ } else if (wx > width - 50) {
+ normal = normal_tr_to_bl;
+ } else {
+ normal = Geom::Point(0.,1.);
+ }
+ } else {
+ if (wy < 50) {
+ normal = normal_bl_to_tr;
+ } else if (wy > height - 50) {
+ normal = normal_tr_to_bl;
+ } else {
+ normal = Geom::Point(1.,0.);
+ }
+ }
+
+ guide = sp_guideline_new(desktop->guides, event_dt, normal);
sp_guideline_set_color(SP_GUIDELINE(guide), desktop->namedview->guidehicolor);
gdk_pointer_grab(widget->window, FALSE,
- (GdkEventMask)(GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK),
+ (GdkEventMask)(GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK ),
NULL, NULL,
event->button.time);
}
break;
- case GDK_MOTION_NOTIFY:
+ case GDK_MOTION_NOTIFY:
if (dragging) {
- NR::Point const event_w(sp_canvas_window_to_world(dtw->canvas, event_win));
- NR::Point const event_dt(desktop->w2d(event_w));
- double const guide_pos_dt = event_dt[ horiz
- ? NR::Y
- : NR::X ];
- sp_guideline_set_position(SP_GUIDELINE(guide), guide_pos_dt);
- desktop->set_coordinate_status(event_dt);
- desktop->setPosition (event_dt);
+ Geom::Point const event_w(sp_canvas_window_to_world(dtw->canvas, event_win));
+ Geom::Point event_dt(desktop->w2d(event_w));
+
+ if (!(event->motion.state & GDK_SHIFT_MASK)) {
+ SnapManager &m = desktop->namedview->snap_manager;
+ m.setup(desktop);
+ // We only have a temporary guide which is not stored in our document yet.
+ // Because the guide snapper only looks in the document for guides to snap to,
+ // we don't have to worry about a guide snapping to itself here
+ m.guideFreeSnap(event_dt, normal, SP_DRAG_MOVE_ORIGIN);
+ m.unSetup();
+ }
+
+ sp_guideline_set_position(SP_GUIDELINE(guide), from_2geom(event_dt));
+ desktop->set_coordinate_status(to_2geom(event_dt));
+ desktop->setPosition(to_2geom(event_dt));
}
break;
- case GDK_BUTTON_RELEASE:
+ case GDK_BUTTON_RELEASE:
if (dragging && event->button.button == 1) {
+ sp_event_context_discard_delayed_snap_event(desktop->event_context);
+
gdk_pointer_ungrab(event->button.time);
- NR::Point const event_w(sp_canvas_window_to_world(dtw->canvas, event_win));
- NR::Point const event_dt(desktop->w2d(event_w));
+ Geom::Point const event_w(sp_canvas_window_to_world(dtw->canvas, event_win));
+ Geom::Point event_dt(desktop->w2d(event_w));
+
+ if (!(event->button.state & GDK_SHIFT_MASK)) {
+ SnapManager &m = desktop->namedview->snap_manager;
+ m.setup(desktop);
+ // We only have a temporary guide which is not stored in our document yet.
+ // Because the guide snapper only looks in the document for guides to snap to,
+ // we don't have to worry about a guide snapping to itself here
+ m.guideFreeSnap(event_dt, normal, SP_DRAG_MOVE_ORIGIN);
+ m.unSetup();
+ }
+
dragging = false;
+
gtk_object_destroy(GTK_OBJECT(guide));
guide = NULL;
- if ( ( horiz
- ? wy
- : wx )
- >= 0 )
- {
- Inkscape::XML::Node *repr = sp_repr_new("sodipodi:guide");
- repr->setAttribute("orientation", (horiz) ? "horizontal" : "vertical");
- double const guide_pos_dt = event_dt[ horiz
- ? NR::Y
- : NR::X ];
- sp_repr_set_svg_double(repr, "position", guide_pos_dt);
+ if ((horiz ? wy : wx) >= 0) {
+ Inkscape::XML::Document *xml_doc = sp_document_repr_doc(desktop->doc());
+ Inkscape::XML::Node *repr = xml_doc->createElement("sodipodi:guide");
+ sp_repr_set_point(repr, "orientation", normal);
+ sp_repr_set_point(repr, "position", from_2geom(event_dt));
SP_OBJECT_REPR(desktop->namedview)->appendChild(repr);
Inkscape::GC::release(repr);
- sp_document_done(sp_desktop_document(desktop));
+ sp_document_done(sp_desktop_document(desktop), SP_VERB_NONE,
+ _("Create guide"));
}
- desktop->set_coordinate_status(event_dt);
+ desktop->set_coordinate_status(from_2geom(event_dt));
}
- default:
+ default:
break;
}
@@ -136,19 +201,30 @@ static gint sp_dt_ruler_event(GtkWidget *widget, GdkEvent *event, SPDesktopWidge
int sp_dt_hruler_event(GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
{
+ if (event->type == GDK_MOTION_NOTIFY) {
+ sp_event_context_snap_delay_handler(dtw->desktop->event_context, (gpointer) widget, (gpointer) dtw, (GdkEventMotion *)event, DelayedSnapEvent::GUIDE_HRULER);
+ }
return sp_dt_ruler_event(widget, event, dtw, true);
}
int sp_dt_vruler_event(GtkWidget *widget, GdkEvent *event, SPDesktopWidget *dtw)
{
+ if (event->type == GDK_MOTION_NOTIFY) {
+ sp_event_context_snap_delay_handler(dtw->desktop->event_context, (gpointer) widget, (gpointer) dtw, (GdkEventMotion *)event, DelayedSnapEvent::GUIDE_VRULER);
+ }
return sp_dt_ruler_event(widget, event, dtw, false);
}
-/* Guides */
+static Geom::Point drag_origin;
+static SPGuideDragType drag_type = SP_DRAG_NONE;
+//static bool reset_drag_origin = false; // when Ctrl is pressed while dragging, this is used to trigger resetting of the
+// // drag origin to that location so that constrained movement is more intuitive
+
+// Min distance from anchor to initiate rotation, measured in screenpixels
+#define tol 40.0
gint sp_dt_guide_event(SPCanvasItem *item, GdkEvent *event, gpointer data)
{
- static bool dragging = false;
static bool moved = false;
gint ret = FALSE;
SPDesktop *desktop = static_cast<SPDesktop*>(gtk_object_get_data(GTK_OBJECT(item->canvas), "SPDesktop"));
switch (event->type) {
- case GDK_2BUTTON_PRESS:
+ case GDK_2BUTTON_PRESS:
if (event->button.button == 1) {
- dragging = false;
+ drag_type = SP_DRAG_NONE;
+ sp_event_context_discard_delayed_snap_event(desktop->event_context);
sp_canvas_item_ungrab(item, event->button.time);
Inkscape::UI::Dialogs::GuidelinePropertiesDialog::showDialog(guide, desktop);
ret = TRUE;
}
break;
- case GDK_BUTTON_PRESS:
+ case GDK_BUTTON_PRESS:
if (event->button.button == 1) {
- dragging = true;
- sp_canvas_item_grab(item,
- ( GDK_BUTTON_RELEASE_MASK |
- GDK_BUTTON_PRESS_MASK |
- GDK_POINTER_MOTION_MASK |
- GDK_POINTER_MOTION_HINT_MASK ),
- NULL,
- event->button.time);
+ Geom::Point const event_w(event->button.x, event->button.y);
+ Geom::Point const event_dt(desktop->w2d(event_w));
+
+ // Due to the tolerance allowed when grabbing a guide, event_dt will generally
+ // be close to the guide but not just exactly on it. The drag origin calculated
+ // here must be exactly on the guide line though, otherwise
+ // small errors will occur once we snap, see
+ // https://bugs.launchpad.net/inkscape/+bug/333762
+ drag_origin = Geom::projection(event_dt, Geom::Line(guide->point_on_line, guide->angle()));
+
+ if (event->button.state & GDK_SHIFT_MASK) {
+ // with shift we rotate the guide
+ drag_type = SP_DRAG_ROTATE;
+ } else {
+ if (event->button.state & GDK_CONTROL_MASK) {
+ drag_type = SP_DRAG_MOVE_ORIGIN;
+ } else {
+ drag_type = SP_DRAG_TRANSLATE;
+ }
+ }
+
+ if (drag_type == SP_DRAG_ROTATE || drag_type == SP_DRAG_TRANSLATE) {
+ sp_canvas_item_grab(item,
+ ( GDK_BUTTON_RELEASE_MASK |
+ GDK_BUTTON_PRESS_MASK |
+ GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK ),
+ NULL,
+ event->button.time);
+ }
ret = TRUE;
}
break;
- case GDK_MOTION_NOTIFY:
- if (dragging) {
- NR::Point const motion_w(event->motion.x,
- event->motion.y);
- NR::Point const motion_dt(desktop->w2d(motion_w));
- sp_guide_moveto(*guide, sp_guide_position_from_pt(guide, motion_dt), false);
+ case GDK_MOTION_NOTIFY:
+ if (drag_type != SP_DRAG_NONE) {
+ Geom::Point const motion_w(event->motion.x,
+ event->motion.y);
+ Geom::Point motion_dt(desktop->w2d(motion_w));
+
+ sp_event_context_snap_delay_handler(desktop->event_context, (gpointer) item, data, (GdkEventMotion *)event, DelayedSnapEvent::GUIDE_HANDLER);
+
+ // This is for snapping while dragging existing guidelines. New guidelines,
+ // which are dragged off the ruler, are being snapped in sp_dt_ruler_event
+ SnapManager &m = desktop->namedview->snap_manager;
+ m.setup(desktop, true, NULL, NULL, guide);
+ if (drag_type == SP_DRAG_MOVE_ORIGIN) {
+ // If we snap in guideConstrainedSnap() below, then motion_dt will
+ // be forced to be on the guide. If we don't snap however, then
+ // the origin should still be constrained to the guide. So let's do
+ // that explicitly first:
+ Geom::Line line(guide->point_on_line, guide->angle());
+ Geom::Coord t = line.nearestPoint(motion_dt);
+ motion_dt = line.pointAt(t);
+ if (!(event->motion.state & GDK_SHIFT_MASK)) {
+ m.guideConstrainedSnap(motion_dt, *guide);
+ }
+ } else if (!((drag_type == SP_DRAG_ROTATE) && (event->motion.state & GDK_CONTROL_MASK))) {
+ // cannot use shift here to disable snapping, because we already use it for rotating the guide
+ m.guideFreeSnap(motion_dt, guide->normal_to_line, drag_type);
+ }
+ m.unSetup();
+
+ switch (drag_type) {
+ case SP_DRAG_TRANSLATE:
+ {
+ sp_guide_moveto(*guide, motion_dt, false);
+ break;
+ }
+ case SP_DRAG_ROTATE:
+ {
+ Geom::Point pt = motion_dt - guide->point_on_line;
+ double angle = std::atan2(pt[Geom::Y], pt[Geom::X]);
+ if (event->motion.state & GDK_CONTROL_MASK) {
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ unsigned const snaps = abs(prefs->getInt("/options/rotationsnapsperpi/value", 12));
+ if (snaps) {
+ double sections = floor(angle * snaps / M_PI + .5);
+ angle = (M_PI / snaps) * sections;
+ }
+ }
+ sp_guide_set_normal(*guide, Geom::Point(1,0) * Geom::Rotate(angle + M_PI_2), false);
+ break;
+ }
+ case SP_DRAG_MOVE_ORIGIN:
+ {
+ sp_guide_moveto(*guide, motion_dt, false);
+ break;
+ }
+ case SP_DRAG_NONE:
+ g_assert_not_reached();
+ break;
+ }
moved = true;
- desktop->set_coordinate_status(motion_dt);
- desktop->setPosition (motion_dt);
+ desktop->set_coordinate_status(from_2geom(motion_dt));
+ desktop->setPosition(from_2geom(motion_dt));
+
ret = TRUE;
}
break;
- case GDK_BUTTON_RELEASE:
- if (dragging && event->button.button == 1) {
+ case GDK_BUTTON_RELEASE:
+ if (drag_type != SP_DRAG_NONE && event->button.button == 1) {
+ sp_event_context_discard_delayed_snap_event(desktop->event_context);
+
if (moved) {
- NR::Point const event_w(event->button.x,
- event->button.y);
- NR::Point const event_dt(desktop->w2d(event_w));
+ Geom::Point const event_w(event->button.x,
+ event->button.y);
+ Geom::Point event_dt(desktop->w2d(event_w));
+
+ SnapManager &m = desktop->namedview->snap_manager;
+ m.setup(desktop, true, NULL, NULL, guide);
+ if (drag_type == SP_DRAG_MOVE_ORIGIN) {
+ // If we snap in guideConstrainedSnap() below, then motion_dt will
+ // be forced to be on the guide. If we don't snap however, then
+ // the origin should still be constrained to the guide. So let's
+ // do that explicitly first:
+ Geom::Line line(guide->point_on_line, guide->angle());
+ Geom::Coord t = line.nearestPoint(event_dt);
+ event_dt = line.pointAt(t);
+ if (!(event->button.state & GDK_SHIFT_MASK)) {
+ m.guideConstrainedSnap(event_dt, *guide);
+ }
+ } else if (!((drag_type == SP_DRAG_ROTATE) && (event->motion.state & GDK_CONTROL_MASK))) {
+ // cannot use shift here to disable snapping, because we already use it for rotating the guide
+ m.guideFreeSnap(event_dt, guide->normal_to_line, drag_type);
+ }
+ m.unSetup();
+
if (sp_canvas_world_pt_inside_window(item->canvas, event_w)) {
- sp_guide_moveto(*guide, sp_guide_position_from_pt(guide, event_dt), true);
+ switch (drag_type) {
+ case SP_DRAG_TRANSLATE:
+ {
+ sp_guide_moveto(*guide, event_dt, true);
+ break;
+ }
+ case SP_DRAG_ROTATE:
+ {
+ Geom::Point pt = event_dt - guide->point_on_line;
+ double angle = std::atan2(pt[Geom::Y], pt[Geom::X]);
+ if (event->motion.state & GDK_CONTROL_MASK) {
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ unsigned const snaps = abs(prefs->getInt("/options/rotationsnapsperpi/value", 12));
+ if (snaps) {
+ double sections = floor(angle * snaps / M_PI + .5);
+ angle = (M_PI / snaps) * sections;
+ }
+ }
+ sp_guide_set_normal(*guide, Geom::Point(1,0) * Geom::Rotate(angle + M_PI_2), true);
+ break;
+ }
+ case SP_DRAG_MOVE_ORIGIN:
+ {
+ sp_guide_moveto(*guide, event_dt, true);
+ break;
+ }
+ case SP_DRAG_NONE:
+ g_assert_not_reached();
+ break;
+ }
+ sp_document_done(sp_desktop_document(desktop), SP_VERB_NONE,
+ _("Move guide"));
} else {
/* Undo movement of any attached shapes. */
- sp_guide_moveto(*guide, guide->position, false);
+ sp_guide_moveto(*guide, guide->point_on_line, false);
+ sp_guide_set_normal(*guide, guide->normal_to_line, false);
sp_guide_remove(guide);
+ sp_document_done(sp_desktop_document(desktop), SP_VERB_NONE,
+ _("Delete guide"));
}
moved = false;
- sp_document_done(sp_desktop_document(desktop));
- desktop->set_coordinate_status(event_dt);
- desktop->setPosition (event_dt);
+ desktop->set_coordinate_status(from_2geom(event_dt));
+ desktop->setPosition (from_2geom(event_dt));
}
- dragging = false;
+ drag_type = SP_DRAG_NONE;
sp_canvas_item_ungrab(item, event->button.time);
ret=TRUE;
}
- case GDK_ENTER_NOTIFY:
- {
-
+ case GDK_ENTER_NOTIFY:
+ {
sp_guideline_set_color(SP_GUIDELINE(item), guide->hicolor);
- GString *position_string = SP_PX_TO_METRIC_STRING(guide->position, desktop->namedview->getDefaultMetric());
- char *guide_description = sp_guide_description(guide);
+ // set move or rotate cursor
+ Geom::Point const event_w(event->crossing.x, event->crossing.y);
+ Geom::Point const event_dt(desktop->w2d(event_w));
- desktop->guidesMessageContext()->setF(Inkscape::NORMAL_MESSAGE, _("%s at %s"), guide_description, position_string->str);
+ if ((event->crossing.state & GDK_SHIFT_MASK) && (drag_type != SP_DRAG_MOVE_ORIGIN)) {
+ GdkCursor *guide_cursor;
+ guide_cursor = gdk_cursor_new (GDK_EXCHANGE);
+ gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, guide_cursor);
+ gdk_cursor_unref(guide_cursor);
+ }
+ char *guide_description = sp_guide_description(guide);
+ desktop->guidesMessageContext()->setF(Inkscape::NORMAL_MESSAGE, _("<b>Guideline</b>: %s"), guide_description);
g_free(guide_description);
- g_string_free(position_string, TRUE);
break;
- }
- case GDK_LEAVE_NOTIFY:
+ }
+ case GDK_LEAVE_NOTIFY:
sp_guideline_set_color(SP_GUIDELINE(item), guide->color);
+
+ // restore event context's cursor
+ gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, desktop->event_context->cursor);
+
desktop->guidesMessageContext()->clear();
break;
- default:
+ case GDK_KEY_PRESS:
+ switch (get_group0_keyval (&event->key)) {
+ case GDK_Delete:
+ case GDK_KP_Delete:
+ case GDK_BackSpace:
+ {
+ SPDocument *doc = SP_OBJECT_DOCUMENT(guide);
+ sp_guide_remove(guide);
+ sp_document_done(doc, SP_VERB_NONE, _("Delete guide"));
+ ret = TRUE;
+ sp_event_context_discard_delayed_snap_event(desktop->event_context);
+ break;
+ }
+ case GDK_Shift_L:
+ case GDK_Shift_R:
+ if (drag_type != SP_DRAG_MOVE_ORIGIN) {
+ GdkCursor *guide_cursor;
+ guide_cursor = gdk_cursor_new (GDK_EXCHANGE);
+ gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, guide_cursor);
+ gdk_cursor_unref(guide_cursor);
+ ret = TRUE;
+ break;
+ }
+
+ default:
+ // do nothing;
+ break;
+ }
break;
+ case GDK_KEY_RELEASE:
+ switch (get_group0_keyval (&event->key)) {
+ case GDK_Shift_L:
+ case GDK_Shift_R:
+ GdkCursor *guide_cursor;
+ guide_cursor = gdk_cursor_new (GDK_EXCHANGE);
+ gdk_window_set_cursor(GTK_WIDGET(sp_desktop_canvas(desktop))->window, guide_cursor);
+ gdk_cursor_unref(guide_cursor);
+ break;
+ default:
+ // do nothing;
+ break;
+ }
+ default:
+ break;
}
return ret;
}
+//static std::map<GdkInputSource, std::string> switchMap;
+static std::map<std::string, int> toolToUse;
+static std::string lastName;
+static GdkInputSource lastType = GDK_SOURCE_MOUSE;
+
+static void init_extended()
+{
+ std::string avoidName = "pad";
+ GList* devices = gdk_devices_list();
+ if ( devices ) {
+ for ( GList* curr = devices; curr; curr = g_list_next(curr) ) {
+ GdkDevice* dev = reinterpret_cast<GdkDevice*>(curr->data);
+ if ( dev->name
+ && (avoidName != dev->name)
+ && (dev->source != GDK_SOURCE_MOUSE) ) {
+// g_message("Adding '%s' as [%d]", dev->name, dev->source);
+
+ // Set the initial tool for the device
+ switch ( dev->source ) {
+ case GDK_SOURCE_PEN:
+ toolToUse[dev->name] = TOOLS_CALLIGRAPHIC;
+ break;
+ case GDK_SOURCE_ERASER:
+ toolToUse[dev->name] = TOOLS_ERASER;
+ break;
+ case GDK_SOURCE_CURSOR:
+ toolToUse[dev->name] = TOOLS_SELECT;
+ break;
+ default:
+ ; // do not add
+ }
+// } else if (dev->name) {
+// g_message("Skippn '%s' as [%s]", dev->name, dev->source);
+ }
+ }
+ }
+}
+
+
+void snoop_extended(GdkEvent* event, SPDesktop *desktop)
+{
+ GdkInputSource source = GDK_SOURCE_MOUSE;
+ std::string name;
+
+ switch ( event->type ) {
+ case GDK_MOTION_NOTIFY:
+ {
+ GdkEventMotion* event2 = reinterpret_cast<GdkEventMotion*>(event);
+ if ( event2->device ) {
+ source = event2->device->source;
+ name = event2->device->name;
+ }
+ }
+ break;
+
+ case GDK_BUTTON_PRESS:
+ case GDK_2BUTTON_PRESS:
+ case GDK_3BUTTON_PRESS:
+ case GDK_BUTTON_RELEASE:
+ {
+ GdkEventButton* event2 = reinterpret_cast<GdkEventButton*>(event);
+ if ( event2->device ) {
+ source = event2->device->source;
+ name = event2->device->name;
+ }
+ }
+ break;
+
+ case GDK_SCROLL:
+ {
+ GdkEventScroll* event2 = reinterpret_cast<GdkEventScroll*>(event);
+ if ( event2->device ) {
+ source = event2->device->source;
+ name = event2->device->name;
+ }
+ }
+ break;
+
+ case GDK_PROXIMITY_IN:
+ case GDK_PROXIMITY_OUT:
+ {
+ GdkEventProximity* event2 = reinterpret_cast<GdkEventProximity*>(event);
+ if ( event2->device ) {
+ source = event2->device->source;
+ name = event2->device->name;
+ }
+ }
+ break;
+
+ default:
+ ;
+ }
+
+ if (!name.empty()) {
+ if ( lastType != source || lastName != name ) {
+ // The device switched. See if it is one we 'count'
+ //g_message("Changed device %s -> %s", lastName.c_str(), name.c_str());
+ std::map<std::string, int>::iterator it = toolToUse.find(lastName);
+ if (it != toolToUse.end()) {
+ // Save the tool currently selected for next time the input
+ // device shows up.
+ it->second = tools_active(desktop);
+ }
+
+ it = toolToUse.find(name);
+ if (it != toolToUse.end() ) {
+ tools_switch(desktop, it->second);
+ }
+
+ lastName = name;
+ lastType = source;
+ }
+ }
+}
+
+
/*
Local Variables:
fill-column:99
End:
*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :