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authorMartin Owens <doctormo@gmail.com>2014-03-27 01:33:44 +0000
committerMartin Owens <doctormo@gmail.com>2014-03-27 01:33:44 +0000
commit5a4fb2325f60d292b47330f540b26a3279341c90 (patch)
treed2aa7967be25450b83e625025366c618101ae49f /src/rect-context.cpp
parentThe Polar Arrange Tab of the Arrange Dialog now hides the parametric (diff)
parentRemove Snap menu item and improve grid menu item text (diff)
downloadinkscape-5a4fb2325f60d292b47330f540b26a3279341c90.tar.gz
inkscape-5a4fb2325f60d292b47330f540b26a3279341c90.zip
Commit a merge to trunk, with probabal errors
(bzr r11073.1.36)
Diffstat (limited to 'src/rect-context.cpp')
-rw-r--r--src/rect-context.cpp600
1 files changed, 0 insertions, 600 deletions
diff --git a/src/rect-context.cpp b/src/rect-context.cpp
deleted file mode 100644
index 86c466df7..000000000
--- a/src/rect-context.cpp
+++ /dev/null
@@ -1,600 +0,0 @@
-/*
- * Rectangle drawing context
- *
- * Author:
- * Lauris Kaplinski <lauris@kaplinski.com>
- * bulia byak <buliabyak@users.sf.net>
- * Jon A. Cruz <jon@joncruz.org>
- * Abhishek Sharma
- *
- * Copyright (C) 2006 Johan Engelen <johan@shouraizou.nl>
- * Copyright (C) 2000-2005 authors
- * Copyright (C) 2000-2001 Ximian, Inc.
- *
- * Released under GNU GPL, read the file 'COPYING' for more information
- */
-
-#include "config.h"
-
-#include <gdk/gdkkeysyms.h>
-#include <cstring>
-#include <string>
-
-#include "macros.h"
-#include "display/sp-canvas.h"
-#include "sp-rect.h"
-#include "document.h"
-#include "document-undo.h"
-#include "sp-namedview.h"
-#include "selection.h"
-#include "selection-chemistry.h"
-#include "desktop-handles.h"
-#include "snap.h"
-#include "desktop.h"
-#include "desktop-style.h"
-#include "message-context.h"
-#include "pixmaps/cursor-rect.xpm"
-#include "rect-context.h"
-#include "sp-metrics.h"
-#include <glibmm/i18n.h>
-#include "object-edit.h"
-#include "xml/repr.h"
-#include "xml/node-event-vector.h"
-#include "preferences.h"
-#include "context-fns.h"
-#include "shape-editor.h"
-#include "verbs.h"
-#include "display/sp-canvas-item.h"
-
-#if !GTK_CHECK_VERSION(2,22,0)
-#include "compat-key-syms.h"
-#endif
-
-using Inkscape::DocumentUndo;
-
-//static const double goldenratio = 1.61803398874989484820; // golden ratio
-
-static void sp_rect_context_class_init(SPRectContextClass *klass);
-static void sp_rect_context_init(SPRectContext *rect_context);
-static void sp_rect_context_dispose(GObject *object);
-
-static void sp_rect_context_setup(SPEventContext *ec);
-static void sp_rect_context_finish(SPEventContext *ec);
-static void sp_rect_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *val);
-
-static gint sp_rect_context_root_handler(SPEventContext *event_context, GdkEvent *event);
-static gint sp_rect_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event);
-
-static void sp_rect_drag(SPRectContext &rc, Geom::Point const pt, guint state);
-static void sp_rect_finish(SPRectContext *rc);
-static void sp_rect_cancel(SPRectContext *rc);
-
-static SPEventContextClass *parent_class;
-
-
-GType sp_rect_context_get_type()
-{
- static GType type = 0;
- if (!type) {
- GTypeInfo info = {
- sizeof(SPRectContextClass),
- NULL, NULL,
- (GClassInitFunc) sp_rect_context_class_init,
- NULL, NULL,
- sizeof(SPRectContext),
- 4,
- (GInstanceInitFunc) sp_rect_context_init,
- NULL, /* value_table */
- };
- type = g_type_register_static(SP_TYPE_EVENT_CONTEXT, "SPRectContext", &info, (GTypeFlags) 0);
- }
- return type;
-}
-
-static void sp_rect_context_class_init(SPRectContextClass *klass)
-{
- GObjectClass *object_class = (GObjectClass *) klass;
- SPEventContextClass *event_context_class = (SPEventContextClass *) klass;
-
- parent_class = (SPEventContextClass *) g_type_class_peek_parent(klass);
-
- object_class->dispose = sp_rect_context_dispose;
-
- event_context_class->setup = sp_rect_context_setup;
- event_context_class->finish = sp_rect_context_finish;
- event_context_class->set = sp_rect_context_set;
- event_context_class->root_handler = sp_rect_context_root_handler;
- event_context_class->item_handler = sp_rect_context_item_handler;
-}
-
-static void sp_rect_context_init(SPRectContext *rect_context)
-{
- SPEventContext *event_context = SP_EVENT_CONTEXT(rect_context);
-
- event_context->cursor_shape = cursor_rect_xpm;
- event_context->hot_x = 4;
- event_context->hot_y = 4;
- event_context->xp = 0;
- event_context->yp = 0;
- event_context->tolerance = 0;
- event_context->within_tolerance = false;
- event_context->item_to_select = NULL;
- event_context->tool_url = "/tools/shapes/rect";
-
- rect_context->item = NULL;
-
- rect_context->rx = 0.0;
- rect_context->ry = 0.0;
-
- new (&rect_context->sel_changed_connection) sigc::connection();
-}
-
-static void sp_rect_context_finish(SPEventContext *ec)
-{
- SPRectContext *rc = SP_RECT_CONTEXT(ec);
- SPDesktop *desktop = ec->desktop;
-
- sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate), GDK_CURRENT_TIME);
- sp_rect_finish(rc);
- rc->sel_changed_connection.disconnect();
-
- if (((SPEventContextClass *) parent_class)->finish) {
- ((SPEventContextClass *) parent_class)->finish(ec);
- }
-}
-
-
-static void sp_rect_context_dispose(GObject *object)
-{
- SPRectContext *rc = SP_RECT_CONTEXT(object);
- SPEventContext *ec = SP_EVENT_CONTEXT(object);
-
- ec->enableGrDrag(false);
-
- rc->sel_changed_connection.disconnect();
- rc->sel_changed_connection.~connection();
-
- delete ec->shape_editor;
- ec->shape_editor = NULL;
-
- /* fixme: This is necessary because we do not grab */
- if (rc->item) {
- sp_rect_finish(rc);
- }
-
- if (rc->_message_context) {
- delete rc->_message_context;
- }
-
- G_OBJECT_CLASS(parent_class)->dispose(object);
-}
-
-/**
- * Callback that processes the "changed" signal on the selection;
- * destroys old and creates new knotholder.
- */
-void sp_rect_context_selection_changed(Inkscape::Selection *selection, gpointer data)
-{
- SPRectContext *rc = SP_RECT_CONTEXT(data);
- SPEventContext *ec = SP_EVENT_CONTEXT(rc);
-
- ec->shape_editor->unset_item(SH_KNOTHOLDER);
- SPItem *item = selection->singleItem();
- ec->shape_editor->set_item(item, SH_KNOTHOLDER);
-}
-
-static void sp_rect_context_setup(SPEventContext *ec)
-{
- SPRectContext *rc = SP_RECT_CONTEXT(ec);
-
- if (((SPEventContextClass *) parent_class)->setup) {
- ((SPEventContextClass *) parent_class)->setup(ec);
- }
-
- ec->shape_editor = new ShapeEditor(ec->desktop);
-
- SPItem *item = sp_desktop_selection(ec->desktop)->singleItem();
- if (item) {
- ec->shape_editor->set_item(item, SH_KNOTHOLDER);
- }
-
- rc->sel_changed_connection.disconnect();
- rc->sel_changed_connection = sp_desktop_selection(ec->desktop)->connectChanged(
- sigc::bind(sigc::ptr_fun(&sp_rect_context_selection_changed), (gpointer)rc)
- );
-
- sp_event_context_read(ec, "rx");
- sp_event_context_read(ec, "ry");
-
- Inkscape::Preferences *prefs = Inkscape::Preferences::get();
- if (prefs->getBool("/tools/shapes/selcue")) {
- ec->enableSelectionCue();
- }
-
- if (prefs->getBool("/tools/shapes/gradientdrag")) {
- ec->enableGrDrag();
- }
-
- rc->_message_context = new Inkscape::MessageContext((ec->desktop)->messageStack());
-}
-
-static void sp_rect_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *val)
-{
- SPRectContext *rc = SP_RECT_CONTEXT(ec);
-
- /* fixme: Proper error handling for non-numeric data. Use a locale-independent function like
- * g_ascii_strtod (or a thin wrapper that does the right thing for invalid values inf/nan). */
- Glib::ustring name = val->getEntryName();
- if ( name == "rx" ) {
- rc->rx = val->getDoubleLimited(); // prevents NaN and +/-Inf from messing up
- } else if ( name == "ry" ) {
- rc->ry = val->getDoubleLimited();
- }
-}
-
-static gint sp_rect_context_item_handler(SPEventContext *event_context, SPItem *item, GdkEvent *event)
-{
- SPDesktop *desktop = event_context->desktop;
-
- gint ret = FALSE;
-
- switch (event->type) {
- case GDK_BUTTON_PRESS:
- if ( event->button.button == 1 && !event_context->space_panning) {
- Inkscape::setup_for_drag_start(desktop, event_context, event);
- ret = TRUE;
- }
- break;
- // motion and release are always on root (why?)
- default:
- break;
- }
-
- if (((SPEventContextClass *) parent_class)->item_handler) {
- ret = ((SPEventContextClass *) parent_class)->item_handler(event_context, item, event);
- }
-
- return ret;
-}
-
-static gint sp_rect_context_root_handler(SPEventContext *event_context, GdkEvent *event)
-{
- static bool dragging;
-
- SPDesktop *desktop = event_context->desktop;
- Inkscape::Selection *selection = sp_desktop_selection (desktop);
-
- SPRectContext *rc = SP_RECT_CONTEXT(event_context);
- Inkscape::Preferences *prefs = Inkscape::Preferences::get();
-
- event_context->tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100);
-
- gint ret = FALSE;
- switch (event->type) {
- case GDK_BUTTON_PRESS:
- if (event->button.button == 1 && !event_context->space_panning) {
- Geom::Point const button_w(event->button.x,
- event->button.y);
-
- // save drag origin
- event_context->xp = (gint) button_w[Geom::X];
- event_context->yp = (gint) button_w[Geom::Y];
- event_context->within_tolerance = true;
-
- // remember clicked item, disregarding groups, honoring Alt
- event_context->item_to_select = sp_event_context_find_item (desktop, button_w, event->button.state & GDK_MOD1_MASK, TRUE);
-
- dragging = true;
-
- /* Position center */
- Geom::Point button_dt(desktop->w2d(button_w));
- rc->center = button_dt;
-
- /* Snap center */
- SnapManager &m = desktop->namedview->snap_manager;
- m.setup(desktop);
- m.freeSnapReturnByRef(button_dt, Inkscape::SNAPSOURCE_NODE_HANDLE);
- m.unSetup();
- rc->center = button_dt;
-
- sp_canvas_item_grab(SP_CANVAS_ITEM(desktop->acetate),
- ( GDK_KEY_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_POINTER_MOTION_MASK |
- GDK_POINTER_MOTION_HINT_MASK |
- GDK_BUTTON_PRESS_MASK ),
- NULL, event->button.time);
-
- ret = TRUE;
- }
- break;
- case GDK_MOTION_NOTIFY:
- if ( dragging
- && (event->motion.state & GDK_BUTTON1_MASK) && !event_context->space_panning)
- {
- if ( event_context->within_tolerance
- && ( abs( (gint) event->motion.x - event_context->xp ) < event_context->tolerance )
- && ( abs( (gint) event->motion.y - event_context->yp ) < event_context->tolerance ) ) {
- break; // do not drag if we're within tolerance from origin
- }
- // Once the user has moved farther than tolerance from the original location
- // (indicating they intend to draw, not click), then always process the
- // motion notify coordinates as given (no snapping back to origin)
- event_context->within_tolerance = false;
-
- Geom::Point const motion_w(event->motion.x, event->motion.y);
- Geom::Point motion_dt(desktop->w2d(motion_w));
-
- sp_rect_drag(*rc, motion_dt, event->motion.state); // this will also handle the snapping
- gobble_motion_events(GDK_BUTTON1_MASK);
- ret = TRUE;
- } else if (!sp_event_context_knot_mouseover(rc)) {
- SnapManager &m = desktop->namedview->snap_manager;
- m.setup(desktop);
-
- Geom::Point const motion_w(event->motion.x, event->motion.y);
- Geom::Point motion_dt(desktop->w2d(motion_w));
-
- m.preSnap(Inkscape::SnapCandidatePoint(motion_dt, Inkscape::SNAPSOURCE_NODE_HANDLE));
- m.unSetup();
- }
- break;
- case GDK_BUTTON_RELEASE:
- event_context->xp = event_context->yp = 0;
- if (event->button.button == 1 && !event_context->space_panning) {
- dragging = false;
- sp_event_context_discard_delayed_snap_event(event_context);
-
- if (!event_context->within_tolerance) {
- // we've been dragging, finish the rect
- sp_rect_finish(rc);
- } else if (event_context->item_to_select) {
- // no dragging, select clicked item if any
- if (event->button.state & GDK_SHIFT_MASK) {
- selection->toggle(event_context->item_to_select);
- } else {
- selection->set(event_context->item_to_select);
- }
- } else {
- // click in an empty space
- selection->clear();
- }
-
- event_context->item_to_select = NULL;
- ret = TRUE;
- sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
- event->button.time);
- }
- break;
- case GDK_KEY_PRESS:
- switch (get_group0_keyval (&event->key)) {
- case GDK_KEY_Alt_L:
- case GDK_KEY_Alt_R:
- case GDK_KEY_Control_L:
- case GDK_KEY_Control_R:
- case GDK_KEY_Shift_L:
- case GDK_KEY_Shift_R:
- case GDK_KEY_Meta_L: // Meta is when you press Shift+Alt (at least on my machine)
- case GDK_KEY_Meta_R:
- if (!dragging){
- sp_event_show_modifier_tip (event_context->defaultMessageContext(), event,
- _("<b>Ctrl</b>: make square or integer-ratio rect, lock a rounded corner circular"),
- _("<b>Shift</b>: draw around the starting point"),
- NULL);
- }
- break;
- case GDK_KEY_Up:
- case GDK_KEY_Down:
- case GDK_KEY_KP_Up:
- case GDK_KEY_KP_Down:
- // prevent the zoom field from activation
- if (!MOD__CTRL_ONLY)
- ret = TRUE;
- break;
-
- case GDK_KEY_x:
- case GDK_KEY_X:
- if (MOD__ALT_ONLY) {
- desktop->setToolboxFocusTo ("altx-rect");
- ret = TRUE;
- }
- break;
-
- case GDK_KEY_g:
- case GDK_KEY_G:
- if (MOD__SHIFT_ONLY) {
- sp_selection_to_guides(desktop);
- ret = true;
- }
- break;
-
- case GDK_KEY_Escape:
- if (dragging) {
- dragging = false;
- sp_event_context_discard_delayed_snap_event(event_context);
- // if drawing, cancel, otherwise pass it up for deselecting
- sp_rect_cancel(rc);
- ret = TRUE;
- }
- break;
-
- case GDK_KEY_space:
- if (dragging) {
- sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate),
- event->button.time);
- dragging = false;
- sp_event_context_discard_delayed_snap_event(event_context);
- if (!event_context->within_tolerance) {
- // we've been dragging, finish the rect
- sp_rect_finish(rc);
- }
- // do not return true, so that space would work switching to selector
- }
- break;
-
- default:
- break;
- }
- break;
- case GDK_KEY_RELEASE:
- switch (get_group0_keyval (&event->key)) {
- case GDK_KEY_Alt_L:
- case GDK_KEY_Alt_R:
- case GDK_KEY_Control_L:
- case GDK_KEY_Control_R:
- case GDK_KEY_Shift_L:
- case GDK_KEY_Shift_R:
- case GDK_KEY_Meta_L: // Meta is when you press Shift+Alt
- case GDK_KEY_Meta_R:
- event_context->defaultMessageContext()->clear();
- break;
- default:
- break;
- }
- break;
- default:
- break;
- }
-
- if (!ret) {
- if (((SPEventContextClass *) parent_class)->root_handler) {
- ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
- }
- }
-
- return ret;
-}
-
-static void sp_rect_drag(SPRectContext &rc, Geom::Point const pt, guint state)
-{
- SPDesktop *desktop = SP_EVENT_CONTEXT(&rc)->desktop;
-
- if (!rc.item) {
-
- if (Inkscape::have_viable_layer(desktop, rc._message_context) == false) {
- return;
- }
-
- // Create object
- Inkscape::XML::Document *xml_doc = SP_EVENT_CONTEXT_DOCUMENT(&rc)->getReprDoc();
- Inkscape::XML::Node *repr = xml_doc->createElement("svg:rect");
-
- // Set style
- sp_desktop_apply_style_tool (desktop, repr, "/tools/shapes/rect", false);
-
- rc.item = (SPItem *) desktop->currentLayer()->appendChildRepr(repr);
- Inkscape::GC::release(repr);
- rc.item->transform = SP_ITEM(desktop->currentLayer())->i2doc_affine().inverse();
- rc.item->updateRepr();
-
- desktop->canvas->forceFullRedrawAfterInterruptions(5);
- }
-
- Geom::Rect const r = Inkscape::snap_rectangular_box(desktop, rc.item, pt, rc.center, state);
-
- sp_rect_position_set(SP_RECT(rc.item), r.min()[Geom::X], r.min()[Geom::Y], r.dimensions()[Geom::X], r.dimensions()[Geom::Y]);
- if ( rc.rx != 0.0 ) {
- sp_rect_set_rx (SP_RECT(rc.item), TRUE, rc.rx);
- }
- if ( rc.ry != 0.0 ) {
- if (rc.rx == 0.0)
- sp_rect_set_ry (SP_RECT(rc.item), TRUE, CLAMP(rc.ry, 0, MIN(r.dimensions()[Geom::X], r.dimensions()[Geom::Y])/2));
- else
- sp_rect_set_ry (SP_RECT(rc.item), TRUE, CLAMP(rc.ry, 0, r.dimensions()[Geom::Y]));
- }
-
- // status text
- double rdimx = r.dimensions()[Geom::X];
- double rdimy = r.dimensions()[Geom::Y];
- GString *xs = SP_PX_TO_METRIC_STRING(rdimx, desktop->namedview->getDefaultMetric());
- GString *ys = SP_PX_TO_METRIC_STRING(rdimy, desktop->namedview->getDefaultMetric());
- if (state & GDK_CONTROL_MASK) {
- int ratio_x, ratio_y;
- bool is_golden_ratio = false;
- if (fabs (rdimx) > fabs (rdimy)) {
- if (fabs(rdimx / rdimy - goldenratio) < 1e-6) {
- is_golden_ratio = true;
- }
- ratio_x = (int) rint (rdimx / rdimy);
- ratio_y = 1;
- } else {
- if (fabs(rdimy / rdimx - goldenratio) < 1e-6) {
- is_golden_ratio = true;
- }
- ratio_x = 1;
- ratio_y = (int) rint (rdimy / rdimx);
- }
- if (!is_golden_ratio) {
- rc._message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("<b>Rectangle</b>: %s &#215; %s (constrained to ratio %d:%d); with <b>Shift</b> to draw around the starting point"), xs->str, ys->str, ratio_x, ratio_y);
- } else {
- if (ratio_y == 1) {
- rc._message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("<b>Rectangle</b>: %s &#215; %s (constrained to golden ratio 1.618 : 1); with <b>Shift</b> to draw around the starting point"), xs->str, ys->str);
- } else {
- rc._message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("<b>Rectangle</b>: %s &#215; %s (constrained to golden ratio 1 : 1.618); with <b>Shift</b> to draw around the starting point"), xs->str, ys->str);
- }
- }
- } else {
- rc._message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("<b>Rectangle</b>: %s &#215; %s; with <b>Ctrl</b> to make square or integer-ratio rectangle; with <b>Shift</b> to draw around the starting point"), xs->str, ys->str);
- }
- g_string_free(xs, FALSE);
- g_string_free(ys, FALSE);
-}
-
-static void sp_rect_finish(SPRectContext *rc)
-{
- rc->_message_context->clear();
-
- if ( rc->item != NULL ) {
- SPRect *rect = SP_RECT(rc->item);
- if (rect->width.computed == 0 || rect->height.computed == 0) {
- sp_rect_cancel(rc); // Don't allow the creating of zero sized rectangle, for example when the start and and point snap to the snap grid point
- return;
- }
-
- SPDesktop *desktop = SP_EVENT_CONTEXT_DESKTOP(rc);
-
- SP_OBJECT(rc->item)->updateRepr();
-
- desktop->canvas->endForcedFullRedraws();
-
- sp_desktop_selection(desktop)->set(rc->item);
- DocumentUndo::done(sp_desktop_document(desktop), SP_VERB_CONTEXT_RECT,
- _("Create rectangle"));
-
- rc->item = NULL;
- }
-}
-
-static void sp_rect_cancel(SPRectContext *rc)
-{
- SPDesktop *desktop = SP_EVENT_CONTEXT(rc)->desktop;
-
- sp_desktop_selection(desktop)->clear();
- sp_canvas_item_ungrab(SP_CANVAS_ITEM(desktop->acetate), 0);
-
- if (rc->item != NULL) {
- SP_OBJECT(rc->item)->deleteObject();
- rc->item = NULL;
- }
-
- rc->within_tolerance = false;
- rc->xp = 0;
- rc->yp = 0;
- rc->item_to_select = NULL;
-
- desktop->canvas->endForcedFullRedraws();
-
- DocumentUndo::cancel(sp_desktop_document(desktop));
-}
-
-
-/*
- Local Variables:
- mode:c++
- c-file-style:"stroustrup"
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
- indent-tabs-mode:nil
- fill-column:99
- End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :