da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include <gdk/gdkkeysyms.h>

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include <cstring>

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include <string>

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "pen-context.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "sp-namedview.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "sp-metrics.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "desktop.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "desktop-handles.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "selection.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "selection-chemistry.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "draw-anchor.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "message-stack.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "message-context.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "preferences.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "sp-path.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "display/sp-canvas.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "display/curve.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "pixmaps/cursor-pen.xpm"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "display/canvas-bpath.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "display/sp-ctrlline.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "display/sodipodi-ctrl.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include <glibmm/i18n.h>

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "libnr/nr-point-ops.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "helper/units.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "macros.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "context-fns.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm#include "tools-switch.h"

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void sp_pen_context_class_init(SPPenContextClass *klass);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void sp_pen_context_init(SPPenContext *pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void sp_pen_context_dispose(GObject *object);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void sp_pen_context_setup(SPEventContext *ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void sp_pen_context_finish(SPEventContext *ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void sp_pen_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *val);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint sp_pen_context_root_handler(SPEventContext *ec, GdkEvent *event);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint sp_pen_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void spdc_pen_set_initial_point(SPPenContext *pc, Geom::Point const p);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void spdc_pen_set_subsequent_point(SPPenContext *const pc, Geom::Point const p, bool statusbar, guint status = 0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void spdc_pen_set_ctrl(SPPenContext *pc, Geom::Point const p, guint state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void spdc_pen_finish_segment(SPPenContext *pc, Geom::Point p, guint state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void spdc_pen_finish(SPPenContext *pc, gboolean closed);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint pen_handle_button_press(SPPenContext *const pc, GdkEventButton const &bevent);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint pen_handle_motion_notify(SPPenContext *const pc, GdkEventMotion const &mevent);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint pen_handle_button_release(SPPenContext *const pc, GdkEventButton const &revent);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint pen_handle_2button_press(SPPenContext *const pc, GdkEventButton const &bevent);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint pen_handle_key_press(SPPenContext *const pc, GdkEvent *event);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void spdc_reset_colors(SPPenContext *pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void pen_disable_events(SPPenContext *const pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void pen_enable_events(SPPenContext *const pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic Geom::Point pen_drag_origin_w(0, 0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic bool pen_within_tolerance = false;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic SPDrawContextClass *pen_parent_class;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic int pen_next_paraxial_direction(const SPPenContext *const pc, Geom::Point const &pt, Geom::Point const &origin, guint state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void pen_set_to_nearest_horiz_vert(const SPPenContext *const pc, Geom::Point &pt, guint const state, bool snap);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic int pen_last_paraxial_dir = 0; // last used direction in horizontal/vertical mode; 0 = horizontal, 1 = vertical

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_get_type(void)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm static GType type = 0;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!type) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm GTypeInfo info = {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sizeof(SPPenContextClass),

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm NULL, NULL,

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm (GClassInitFunc) sp_pen_context_class_init,

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm NULL, NULL,

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sizeof(SPPenContext),

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm 4,

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm (GInstanceInitFunc) sp_pen_context_init,

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm NULL, /* value_table */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm };

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm type = g_type_register_static(SP_TYPE_DRAW_CONTEXT, "SPPenContext", &info, (GTypeFlags)0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return type;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_class_init(SPPenContextClass *klass)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm GObjectClass *object_class;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPEventContextClass *event_context_class;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm object_class = (GObjectClass *) klass;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm event_context_class = (SPEventContextClass *) klass;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_parent_class = (SPDrawContextClass*)g_type_class_peek_parent(klass);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm object_class->dispose = sp_pen_context_dispose;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm event_context_class->setup = sp_pen_context_setup;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm event_context_class->finish = sp_pen_context_finish;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm event_context_class->set = sp_pen_context_set;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm event_context_class->root_handler = sp_pen_context_root_handler;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm event_context_class->item_handler = sp_pen_context_item_handler;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_init(SPPenContext *pc)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPEventContext *event_context = SP_EVENT_CONTEXT(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm event_context->cursor_shape = cursor_pen_xpm;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm event_context->hot_x = 4;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm event_context->hot_y = 4;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->npoints = 0;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->mode = SP_PEN_CONTEXT_MODE_CLICK;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_POINT;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->c0 = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->c1 = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->cl0 = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->cl1 = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->events_disabled = 0;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->num_clicks = 0;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->waiting_LPE = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->waiting_item = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_dispose(GObject *object)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPPenContext *pc;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc = SP_PEN_CONTEXT(object);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->c0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gtk_object_destroy(GTK_OBJECT(pc->c0));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->c0 = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->c1) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gtk_object_destroy(GTK_OBJECT(pc->c1));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->c1 = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->cl0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gtk_object_destroy(GTK_OBJECT(pc->cl0));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->cl0 = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->cl1) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gtk_object_destroy(GTK_OBJECT(pc->cl1));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->cl1 = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm G_OBJECT_CLASS(pen_parent_class)->dispose(object);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->expecting_clicks_for_LPE > 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // we received too few clicks to sanely set the parameter path so we remove the LPE from the item

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_lpe_item_remove_current_path_effect(pc->waiting_item, false);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_set_polyline_mode(SPPenContext *const pc) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Inkscape::Preferences *prefs = Inkscape::Preferences::get();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm guint mode = prefs->getInt("/tools/freehand/pen/freehand-mode", 0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->polylines_only = (mode == 2 || mode == 3);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->polylines_paraxial = (mode == 3);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_setup(SPEventContext *ec)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPPenContext *pc;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc = SP_PEN_CONTEXT(ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (((SPEventContextClass *) pen_parent_class)->setup) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ((SPEventContextClass *) pen_parent_class)->setup(ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Pen indicators */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->c0 = sp_canvas_item_new(sp_desktop_controls(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRL, "shape", SP_CTRL_SHAPE_CIRCLE,

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm "size", 4.0, "filled", 0, "fill_color", 0xff00007f, "stroked", 1, "stroke_color", 0x0000ff7f, NULL);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->c1 = sp_canvas_item_new(sp_desktop_controls(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRL, "shape", SP_CTRL_SHAPE_CIRCLE,

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm "size", 4.0, "filled", 0, "fill_color", 0xff00007f, "stroked", 1, "stroke_color", 0x0000ff7f, NULL);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->cl0 = sp_canvas_item_new(sp_desktop_controls(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRLLINE, NULL);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_ctrlline_set_rgba32(SP_CTRLLINE(pc->cl0), 0x0000007f);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->cl1 = sp_canvas_item_new(sp_desktop_controls(SP_EVENT_CONTEXT_DESKTOP(ec)), SP_TYPE_CTRLLINE, NULL);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_ctrlline_set_rgba32(SP_CTRLLINE(pc->cl1), 0x0000007f);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->c0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->c1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->cl0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->cl1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_event_context_read(ec, "mode");

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->anchor_statusbar = false;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_pen_context_set_polyline_mode(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Inkscape::Preferences *prefs = Inkscape::Preferences::get();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (prefs->getBool("/tools/freehand/pen/selcue")) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ec->enableSelectionCue();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_cancel (SPPenContext *const pc)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->num_clicks = 0;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_STOP;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_reset_colors(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->c0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->c1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->cl0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->cl1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->_message_context->clear();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->_message_context->flash(Inkscape::NORMAL_MESSAGE, _("Drawing cancelled"));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_end_forced_full_redraws(pc->desktop->canvas);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_finish(SPEventContext *ec)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPPenContext *pc = SP_PEN_CONTEXT(ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_event_context_discard_delayed_snap_event(ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->npoints != 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_cancel (pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (((SPEventContextClass *) pen_parent_class)->finish) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ((SPEventContextClass *) pen_parent_class)->finish(ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *val)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPPenContext *pc = SP_PEN_CONTEXT(ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Glib::ustring name = val->getEntryName();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (name == "mode") {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( val->getString() == "drag" ) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->mode = SP_PEN_CONTEXT_MODE_DRAG;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->mode = SP_PEN_CONTEXT_MODE_CLICK;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmspdc_endpoint_snap(SPPenContext const *const pc, Geom::Point &p, guint const state)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ((state & GDK_CONTROL_MASK) && !pc->polylines_paraxial) { //CTRL enables angular snapping

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->npoints > 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap_rotation(pc, p, pc->p[0], state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // We cannot use shift here to disable snapping because the shift-key is already used

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // to toggle the paraxial direction; if the user wants to disable snapping (s)he will

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // have to use the %-key, the menu, or the snap toolbar

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ((pc->npoints > 0) && pc->polylines_paraxial) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // snap constrained

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_set_to_nearest_horiz_vert(pc, p, state, true);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // snap freely

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap_free(pc, p, state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmspdc_endpoint_snap_handle(SPPenContext const *const pc, Geom::Point &p, guint const state)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_return_if_fail(( pc->npoints == 2 ||

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->npoints == 5 ));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ((state & GDK_CONTROL_MASK)) { //CTRL enables angular snapping

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap_rotation(pc, p, pc->p[pc->npoints - 2], state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!(state & GDK_SHIFT_MASK)) { //SHIFT disables all snapping, except the angular snapping above

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap_free(pc, p, state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_item_handler(SPEventContext *ec, SPItem *item, GdkEvent *event)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPPenContext *const pc = SP_PEN_CONTEXT(ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gint ret = FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (event->type) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_BUTTON_PRESS:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = pen_handle_button_press(pc, event->button);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_BUTTON_RELEASE:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = pen_handle_button_release(pc, event->button);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!ret) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (((SPEventContextClass *) pen_parent_class)->item_handler)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = ((SPEventContextClass *) pen_parent_class)->item_handler(ec, item, event);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return ret;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmsp_pen_context_root_handler(SPEventContext *ec, GdkEvent *event)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPPenContext *const pc = SP_PEN_CONTEXT(ec);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gint ret = FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (event->type) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_BUTTON_PRESS:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = pen_handle_button_press(pc, event->button);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_MOTION_NOTIFY:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = pen_handle_motion_notify(pc, event->motion);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_BUTTON_RELEASE:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = pen_handle_button_release(pc, event->button);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_2BUTTON_PRESS:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = pen_handle_2button_press(pc, event->button);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KEY_PRESS:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = pen_handle_key_press(pc, event);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!ret) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gint (*const parent_root_handler)(SPEventContext *, GdkEvent *)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm = ((SPEventContextClass *) pen_parent_class)->root_handler;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (parent_root_handler) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = parent_root_handler(ec, event);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return ret;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint pen_handle_button_press(SPPenContext *const pc, GdkEventButton const &bevent)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->events_disabled) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // skip event processing if events are disabled

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPDrawContext * const dc = SP_DRAW_CONTEXT(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPDesktop * const desktop = SP_EVENT_CONTEXT_DESKTOP(dc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point const event_w(bevent.x, bevent.y);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point event_dt(desktop->w2d(event_w));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPEventContext *event_context = SP_EVENT_CONTEXT(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gint ret = FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (bevent.button == 1 && !event_context->space_panning

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // make sure this is not the last click for a waiting LPE (otherwise we want to finish the path)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm && pc->expecting_clicks_for_LPE != 1) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (Inkscape::have_viable_layer(desktop, dc->_message_context) == false) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!pc->grab ) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Grab mouse, so release will not pass unnoticed */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->grab = SP_CANVAS_ITEM(desktop->acetate);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_grab(pc->grab, ( GDK_KEY_PRESS_MASK | GDK_BUTTON_PRESS_MASK |

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm GDK_BUTTON_RELEASE_MASK |

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm GDK_POINTER_MOTION_MASK ),

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm NULL, bevent.time);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_drag_origin_w = event_w;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_within_tolerance = true;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Test whether we hit any anchor. */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPDrawAnchor * const anchor = spdc_test_inside(pc, event_w);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (pc->mode) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_MODE_CLICK:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* In click mode we add point on release */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (pc->state) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_POINT:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CONTROL:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CLOSE:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_STOP:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* This is allowed, if we just canceled curve */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_POINT;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_MODE_DRAG:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (pc->state) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_STOP:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* This is allowed, if we just canceled curve */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_POINT:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->npoints == 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point p;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ((bevent.state & GDK_CONTROL_MASK) && (pc->polylines_only || pc->polylines_paraxial)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm p = event_dt;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!(bevent.state & GDK_SHIFT_MASK)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SnapManager &m = desktop->namedview->snap_manager;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.setup(desktop);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.freeSnapReturnByRef(p, Inkscape::SNAPSOURCE_NODE_HANDLE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.unSetup();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_create_single_dot(event_context, p, "/tools/freehand/pen", bevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // TODO: Perhaps it would be nicer to rearrange the following case

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // distinction so that the case of a waiting LPE is treated separately

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Set start anchor */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->sa = anchor;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (anchor && !sp_pen_context_has_waiting_LPE(pc)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Adjust point to anchor if needed; if we have a waiting LPE, we need

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm p = anchor->dp;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Continuing selected path"));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // This is the first click of a new curve; deselect item so that

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // this curve is not combined with it (unless it is drawn from its

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // anchor, which is handled by the sibling branch above)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Inkscape::Selection * const selection = sp_desktop_selection(desktop);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!(bevent.state & GDK_SHIFT_MASK) || sp_pen_context_has_waiting_LPE(pc)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* if we have a waiting LPE, we need a fresh path to be created

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm selection->clear();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Creating new path"));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else if (selection->singleItem() && SP_IS_PATH(selection->singleItem())) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm desktop->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Appending to selected path"));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Create green anchor */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm p = event_dt;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap(pc, p, bevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_anchor = sp_draw_anchor_new(pc, pc->green_curve, TRUE, p);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_initial_point(pc, p);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Set end anchor */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->ea = anchor;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point p;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (anchor) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm p = anchor->dp;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // we hit an anchor, will finish the curve (either with or without closing)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // in release handler

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_CLOSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->green_anchor && pc->green_anchor->active) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // we clicked on the current curve start, so close it even if

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // we drag a handle away from it

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm dc->green_closed = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm p = event_dt;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap(pc, p, bevent.state); /* Snap node only if not hitting anchor. */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_subsequent_point(pc, p, true);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = pc->polylines_only ? SP_PEN_CONTEXT_POINT : SP_PEN_CONTEXT_CONTROL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CONTROL:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_warning("Button down in CONTROL state");

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CLOSE:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_warning("Button down in CLOSE state");

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else if (pc->expecting_clicks_for_LPE == 1 && pc->npoints != 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // when the last click for a waiting LPE occurs we want to finish the path

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish_segment(pc, event_dt, bevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->green_closed) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // finishing at the start anchor, close curve

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish(pc, TRUE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // finishing at some other anchor, finish curve but not close

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish(pc, FALSE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else if (bevent.button == 3 && pc->npoints != 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // right click - finish path

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish(pc, FALSE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->expecting_clicks_for_LPE > 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm --pc->expecting_clicks_for_LPE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return ret;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_handle_motion_notify(SPPenContext *const pc, GdkEventMotion const &mevent)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gint ret = FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPEventContext *event_context = SP_EVENT_CONTEXT(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPDesktop * const dt = SP_EVENT_CONTEXT_DESKTOP(event_context);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (event_context->space_panning || mevent.state & GDK_BUTTON2_MASK || mevent.state & GDK_BUTTON3_MASK) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // allow scrolling

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->events_disabled) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // skip motion events if pen events are disabled

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point const event_w(mevent.x,

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm mevent.y);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pen_within_tolerance) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Inkscape::Preferences *prefs = Inkscape::Preferences::get();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gint const tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( Geom::LInfty( event_w - pen_drag_origin_w ) < tolerance ) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return FALSE; // Do not drag if we're within tolerance from origin.

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // Once the user has moved farther than tolerance from the original location

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // (indicating they intend to move the object, not click), then always process the

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // motion notify coordinates as given (no snapping back to origin)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_within_tolerance = false;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Find desktop coordinates */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point p = dt->w2d(event_w);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Test, whether we hit any anchor */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPDrawAnchor *anchor = spdc_test_inside(pc, event_w);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (pc->mode) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_MODE_CLICK:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (pc->state) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_POINT:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( pc->npoints != 0 ) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Only set point, if we are already appending */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap(pc, p, mevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_subsequent_point(pc, p, true);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else if (!sp_event_context_knot_mouseover(pc)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SnapManager &m = dt->namedview->snap_manager;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.setup(dt);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.preSnap(Inkscape::SnapCandidatePoint(p, Inkscape::SNAPSOURCE_NODE_HANDLE));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.unSetup();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CONTROL:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CLOSE:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Placing controls is last operation in CLOSE state */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap(pc, p, mevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_ctrl(pc, p, mevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_STOP:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* This is perfectly valid */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_MODE_DRAG:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (pc->state) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_POINT:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( pc->npoints > 0 ) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Only set point, if we are already appending */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!anchor) { /* Snap node only if not hitting anchor */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap(pc, p, mevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_subsequent_point(pc, p, true, mevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_subsequent_point(pc, anchor->dp, false, mevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (anchor && !pc->anchor_statusbar) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->_message_context->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> or <b>click and drag</b> to close and finish the path."));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->anchor_statusbar = true;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else if (!anchor && pc->anchor_statusbar) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->_message_context->clear();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->anchor_statusbar = false;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (anchor && !pc->anchor_statusbar) {

ea8dd7683dd12883474f6cf9b5f424f8ed831166Kris pc->_message_context->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> or <b>click and drag</b> to continue the path from this point."));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->anchor_statusbar = true;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else if (!anchor && pc->anchor_statusbar) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->_message_context->clear();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->anchor_statusbar = false;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!sp_event_context_knot_mouseover(pc)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SnapManager &m = dt->namedview->snap_manager;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.setup(dt);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.preSnap(Inkscape::SnapCandidatePoint(p, Inkscape::SNAPSOURCE_NODE_HANDLE));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.unSetup();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CONTROL:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CLOSE:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Placing controls is last operation in CLOSE state */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // snap the handle

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap_handle(pc, p, mevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!pc->polylines_only) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_ctrl(pc, p, mevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_ctrl(pc, pc->p[1], mevent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gobble_motion_events(GDK_BUTTON1_MASK);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_STOP:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* This is perfectly valid */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!sp_event_context_knot_mouseover(pc)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SnapManager &m = dt->namedview->snap_manager;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.setup(dt);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.preSnap(Inkscape::SnapCandidatePoint(p, Inkscape::SNAPSOURCE_NODE_HANDLE));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm m.unSetup();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return ret;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_handle_button_release(SPPenContext *const pc, GdkEventButton const &revent)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->events_disabled) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // skip event processing if events are disabled

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gint ret = FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPEventContext *event_context = SP_EVENT_CONTEXT(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( revent.button == 1 && !event_context->space_panning) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPDrawContext *dc = SP_DRAW_CONTEXT (pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point const event_w(revent.x,

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm revent.y);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Find desktop coordinates */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point p = pc->desktop->w2d(event_w);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Test whether we hit any anchor. */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPDrawAnchor *anchor = spdc_test_inside(pc, event_w);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (pc->mode) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_MODE_CLICK:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (pc->state) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_POINT:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( pc->npoints == 0 ) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Start new thread only with button release */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (anchor) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm p = anchor->dp;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->sa = anchor;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_initial_point(pc, p);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Set end anchor here */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->ea = anchor;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (anchor) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm p = anchor->dp;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_CONTROL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CONTROL:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* End current segment */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap(pc, p, revent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish_segment(pc, p, revent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_POINT;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CLOSE:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* End current segment */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!anchor) { /* Snap node only if not hitting anchor */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap(pc, p, revent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish_segment(pc, p, revent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish(pc, TRUE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_POINT;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_STOP:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* This is allowed, if we just canceled curve */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_POINT;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_MODE_DRAG:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (pc->state) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_POINT:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CONTROL:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap(pc, p, revent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish_segment(pc, p, revent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_CLOSE:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_endpoint_snap(pc, p, revent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish_segment(pc, p, revent.state);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->green_closed) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // finishing at the start anchor, close curve

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish(pc, TRUE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // finishing at some other anchor, finish curve but not close

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish(pc, FALSE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case SP_PEN_CONTEXT_STOP:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* This is allowed, if we just cancelled curve */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_POINT;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->grab) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Release grab now */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_ungrab(pc->grab, revent.time);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->grab = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm dc->green_closed = FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // TODO: can we be sure that the path was created correctly?

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // TODO: should we offer an option to collect the clicks in a list?

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->expecting_clicks_for_LPE == 0 && sp_pen_context_has_waiting_LPE(pc)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_pen_context_set_polyline_mode(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPEventContext *ec = SP_EVENT_CONTEXT(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Inkscape::Selection *selection = sp_desktop_selection (ec->desktop);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->waiting_LPE) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // we have an already created LPE waiting for a path

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->waiting_LPE->acceptParamPath(SP_PATH(selection->singleItem()));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm selection->add(SP_OBJECT(pc->waiting_item));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->waiting_LPE = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // the case that we need to create a new LPE and apply it to the just-drawn path is

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // handled in spdc_check_for_and_apply_waiting_LPE() in draw-context.cpp

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return ret;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_handle_2button_press(SPPenContext *const pc, GdkEventButton const &bevent)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gint ret = FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // only end on LMB double click. Otherwise horizontal scrolling causes ending of the path

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->npoints != 0 && bevent.button == 1) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish(pc, FALSE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return ret;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_redraw_all (SPPenContext *const pc)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // green

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->green_bpaths) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // remove old piecewise green canvasitems

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm while (pc->green_bpaths) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gtk_object_destroy(GTK_OBJECT(pc->green_bpaths->data));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_bpaths = g_slist_remove(pc->green_bpaths, pc->green_bpaths->data);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // one canvas bpath for all of green_curve

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPCanvasItem *cshape = sp_canvas_bpath_new(sp_desktop_sketch(pc->desktop), pc->green_curve);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(cshape), pc->green_color, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_bpath_set_fill(SP_CANVAS_BPATH(cshape), 0, SP_WIND_RULE_NONZERO);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_bpaths = g_slist_prepend(pc->green_bpaths, cshape);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->green_anchor)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SP_CTRL(pc->green_anchor->ctrl)->moveto(pc->green_anchor->dp);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->red_curve->reset();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->red_curve->moveto(pc->p[0]);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->red_curve->curveto(pc->p[1], pc->p[2], pc->p[3]);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), pc->red_curve);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // handles

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->p[0] != pc->p[1]) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SP_CTRL(pc->c1)->moveto(pc->p[1]);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_ctrlline_set_coords(SP_CTRLLINE(pc->cl1), pc->p[0], pc->p[1]);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_show (pc->c1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_show (pc->cl1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide (pc->c1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide (pc->cl1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Curve const * last_seg = pc->green_curve->last_segment();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (last_seg) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::CubicBezier const * cubic = dynamic_cast<Geom::CubicBezier const *>( last_seg );

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( cubic &&

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm (*cubic)[2] != to_2geom(pc->p[0]) )

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point p2 = (*cubic)[2];

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SP_CTRL(pc->c0)->moveto(p2);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_ctrlline_set_coords(SP_CTRLLINE(pc->cl0), p2, pc->p[0]);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_show (pc->c0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_show (pc->cl0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide (pc->c0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide (pc->cl0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_lastpoint_move (SPPenContext *const pc, gdouble x, gdouble y)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->npoints != 5)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // green

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!pc->green_curve->is_empty()) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_curve->last_point_additive_move( Geom::Point(x,y) );

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // start anchor too

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->green_anchor) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_anchor->dp += Geom::Point(x, y);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // red

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[0] += Geom::Point(x, y);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[1] += Geom::Point(x, y);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_redraw_all(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_lastpoint_move_screen (SPPenContext *const pc, gdouble x, gdouble y)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_lastpoint_move (pc, x / pc->desktop->current_zoom(), y / pc->desktop->current_zoom());

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_lastpoint_tocurve (SPPenContext *const pc)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->npoints != 5)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::CubicBezier const * cubic = dynamic_cast<Geom::CubicBezier const *>( pc->green_curve->last_segment() );

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( cubic ) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[1] = pc->p[0] + (Geom::Point)( (*cubic)[3] - (*cubic)[2] );

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[1] = pc->p[0] + (1./3)*(pc->p[3] - pc->p[0]);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_redraw_all(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_lastpoint_toline (SPPenContext *const pc)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->npoints != 5)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[1] = pc->p[0];

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_redraw_all(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic gint

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmpen_handle_key_press(SPPenContext *const pc, GdkEvent *event)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gint ret = FALSE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Inkscape::Preferences *prefs = Inkscape::Preferences::get();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gdouble const nudge = prefs->getDoubleLimited("/options/nudgedistance/value", 2, 0, 1000, "px"); // in px

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm switch (get_group0_keyval (&event->key)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_Left: // move last point left

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_Left:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_4:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!MOD__CTRL) { // not ctrl

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__ALT) { // alt

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT) pen_lastpoint_move_screen(pc, -10, 0); // shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else pen_lastpoint_move_screen(pc, -1, 0); // no shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else { // no alt

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT) pen_lastpoint_move(pc, -10*nudge, 0); // shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else pen_lastpoint_move(pc, -nudge, 0); // no shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_Up: // move last point up

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_Up:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_8:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!MOD__CTRL) { // not ctrl

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__ALT) { // alt

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT) pen_lastpoint_move_screen(pc, 0, 10); // shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else pen_lastpoint_move_screen(pc, 0, 1); // no shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else { // no alt

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT) pen_lastpoint_move(pc, 0, 10*nudge); // shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else pen_lastpoint_move(pc, 0, nudge); // no shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_Right: // move last point right

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_Right:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_6:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!MOD__CTRL) { // not ctrl

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__ALT) { // alt

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT) pen_lastpoint_move_screen(pc, 10, 0); // shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else pen_lastpoint_move_screen(pc, 1, 0); // no shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else { // no alt

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT) pen_lastpoint_move(pc, 10*nudge, 0); // shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else pen_lastpoint_move(pc, nudge, 0); // no shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_Down: // move last point down

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_Down:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_2:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!MOD__CTRL) { // not ctrl

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__ALT) { // alt

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT) pen_lastpoint_move_screen(pc, 0, -10); // shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else pen_lastpoint_move_screen(pc, 0, -1); // no shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else { // no alt

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT) pen_lastpoint_move(pc, 0, -10*nudge); // shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm else pen_lastpoint_move(pc, 0, -nudge); // no shift

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_U:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_u:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT_ONLY) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_lastpoint_tocurve(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_L:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_l:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT_ONLY) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_lastpoint_toline(pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_Return:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_Enter:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->npoints != 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_finish(pc, FALSE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_Escape:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->npoints != 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // if drawing, cancel, otherwise pass it up for deselecting

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_cancel (pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_z:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_Z:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__CTRL_ONLY && pc->npoints != 0) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // if drawing, cancel, otherwise pass it up for undo

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_cancel (pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_g:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_G:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (MOD__SHIFT_ONLY) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_selection_to_guides(SP_EVENT_CONTEXT(pc)->desktop);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = true;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_BackSpace:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_Delete:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm case GDK_KP_Delete:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( pc->green_curve->is_empty() || (pc->green_curve->last_segment() == NULL) ) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (!pc->red_curve->is_empty()) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_cancel (pc);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // do nothing; this event should be handled upstream

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Reset red curve */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->red_curve->reset();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Destroy topmost green bpath */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->green_bpaths) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->green_bpaths->data)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gtk_object_destroy(GTK_OBJECT(pc->green_bpaths->data));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_bpaths = g_slist_remove(pc->green_bpaths, pc->green_bpaths->data);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Get last segment */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( pc->green_curve->is_empty() ) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_warning("pen_handle_key_press, case GDK_KP_Delete: Green curve is empty");

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // The code below assumes that pc->green_curve has only ONE path !

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Curve const * crv = pc->green_curve->last_segment();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[0] = crv->initialPoint();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ( Geom::CubicBezier const * cubic = dynamic_cast<Geom::CubicBezier const *>(crv)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[1] = (*cubic)[1];

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm } else {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[1] = pc->p[0];

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point const pt(( pc->npoints < 4

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ? (Geom::Point)(crv->finalPoint())

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm : pc->p[3] ));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->npoints = 2;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_curve->backspace();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->c0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->c1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->cl0);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_item_hide(pc->cl1);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->state = SP_PEN_CONTEXT_POINT;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm spdc_pen_set_subsequent_point(pc, pt, true);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pen_last_paraxial_dir = !pen_last_paraxial_dir;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm ret = TRUE;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm default:

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm break;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm return ret;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmspdc_reset_colors(SPPenContext *pc)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Red */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->red_curve->reset();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), NULL);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Blue */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->blue_curve->reset();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->blue_bpath), NULL);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* Green */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm while (pc->green_bpaths) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm gtk_object_destroy(GTK_OBJECT(pc->green_bpaths->data));

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_bpaths = g_slist_remove(pc->green_bpaths, pc->green_bpaths->data);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_curve->reset();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->green_anchor) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->green_anchor = sp_draw_anchor_destroy(pc->green_anchor);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm }

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->sa = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->ea = NULL;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->npoints = 0;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->red_curve_is_valid = false;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmspdc_pen_set_initial_point(SPPenContext *const pc, Geom::Point const p)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_assert( pc->npoints == 0 );

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[0] = p;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[1] = p;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->npoints = 2;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_bpath_set_bpath(SP_CANVAS_BPATH(pc->red_bpath), NULL);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm sp_canvas_force_full_redraw_after_interruptions(pc->desktop->canvas, 5);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmspdc_pen_set_angle_distance_status_message(SPPenContext *const pc, Geom::Point const p, int pc_point_to_compare, gchar const *message)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_assert(pc != NULL);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_assert((pc_point_to_compare == 0) || (pc_point_to_compare == 3)); // exclude control handles

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_assert(message != NULL);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm SPDesktop *desktop = SP_EVENT_CONTEXT(pc)->desktop;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point rel = p - pc->p[pc_point_to_compare];

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm GString *dist = SP_PX_TO_METRIC_STRING(Geom::L2(rel), desktop->namedview->getDefaultMetric());

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm double angle = atan2(rel[Geom::Y], rel[Geom::X]) * 180 / M_PI;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Inkscape::Preferences *prefs = Inkscape::Preferences::get();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (prefs->getBool("/options/compassangledisplay/value", 0) != 0)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm angle = angle_to_compass (angle);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->_message_context->setF(Inkscape::IMMEDIATE_MESSAGE, message, angle, dist->str);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_string_free(dist, FALSE);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm}

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmstatic void

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrmspdc_pen_set_subsequent_point(SPPenContext *const pc, Geom::Point const p, bool statusbar, guint status)

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm{

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm g_assert( pc->npoints != 0 );

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm /* todo: Check callers to see whether 2 <= npoints is guaranteed. */

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[2] = p;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[3] = p;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->p[4] = p;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->npoints = 5;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->red_curve->reset();

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm bool is_curve;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm pc->red_curve->moveto(pc->p[0]);

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if (pc->polylines_paraxial && !statusbar) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // we are drawing horizontal/vertical lines and hit an anchor;

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm Geom::Point const origin = pc->p[0];

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // if the previous point and the anchor are not aligned either horizontally or vertically...

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm if ((abs(p[Geom::X] - origin[Geom::X]) > 1e-9) && (abs(p[Geom::Y] - origin[Geom::Y]) > 1e-9)) {

da58597f9f9ecb17c4f545c4483a844a363bcc27pjrm // ...then we should draw an L-shaped path, consisting of two paraxial segments