diff options
Diffstat (limited to 'src/rect-context.cpp')
| -rw-r--r-- | src/rect-context.cpp | 527 |
1 files changed, 0 insertions, 527 deletions
diff --git a/src/rect-context.cpp b/src/rect-context.cpp deleted file mode 100644 index 95a7f1f2d..000000000 --- a/src/rect-context.cpp +++ /dev/null @@ -1,527 +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 <glibmm/i18n.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" - -using Inkscape::DocumentUndo; - -#include "tool-factory.h" - -namespace Inkscape { -namespace UI { -namespace Tools { - -namespace { - ToolBase* createRectContext() { - return new RectTool(); - } - - bool rectContextRegistered = ToolFactory::instance().registerObject("/tools/shapes/rect", createRectContext); -} - -const std::string& RectTool::getPrefsPath() { - return RectTool::prefsPath; -} - -const std::string RectTool::prefsPath = "/tools/shapes/rect"; - -RectTool::RectTool() : ToolBase() { - this->cursor_shape = cursor_rect_xpm; - this->hot_x = 4; - this->hot_y = 4; - this->xp = 0; - this->yp = 0; - this->tolerance = 0; - this->within_tolerance = false; - this->item_to_select = NULL; - - this->rect = NULL; - - this->rx = 0.0; - this->ry = 0.0; -} - -void RectTool::finish() { - sp_canvas_item_ungrab(SP_CANVAS_ITEM(this->desktop->acetate), GDK_CURRENT_TIME); - - this->finishItem(); - this->sel_changed_connection.disconnect(); - - ToolBase::finish(); -} - -RectTool::~RectTool() { - this->enableGrDrag(false); - - this->sel_changed_connection.disconnect(); - - delete this->shape_editor; - this->shape_editor = NULL; - - /* fixme: This is necessary because we do not grab */ - if (this->rect) { - this->finishItem(); - } -} - -/** - * Callback that processes the "changed" signal on the selection; - * destroys old and creates new knotholder. - */ -void RectTool::selection_changed(Inkscape::Selection* selection) { - this->shape_editor->unset_item(SH_KNOTHOLDER); - this->shape_editor->set_item(selection->singleItem(), SH_KNOTHOLDER); -} - -void RectTool::setup() { - ToolBase::setup(); - - this->shape_editor = new ShapeEditor(this->desktop); - - SPItem *item = sp_desktop_selection(this->desktop)->singleItem(); - if (item) { - this->shape_editor->set_item(item, SH_KNOTHOLDER); - } - - this->sel_changed_connection.disconnect(); - this->sel_changed_connection = sp_desktop_selection(this->desktop)->connectChanged( - sigc::mem_fun(this, &RectTool::selection_changed) - ); - - sp_event_context_read(this, "rx"); - sp_event_context_read(this, "ry"); - - Inkscape::Preferences *prefs = Inkscape::Preferences::get(); - if (prefs->getBool("/tools/shapes/selcue")) { - this->enableSelectionCue(); - } - - if (prefs->getBool("/tools/shapes/gradientdrag")) { - this->enableGrDrag(); - } -} - -void RectTool::set(const Inkscape::Preferences::Entry& val) { - /* 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" ) { - this->rx = val.getDoubleLimited(); // prevents NaN and +/-Inf from messing up - } else if ( name == "ry" ) { - this->ry = val.getDoubleLimited(); - } -} - -bool RectTool::item_handler(SPItem* item, GdkEvent* event) { - gint ret = FALSE; - - switch (event->type) { - case GDK_BUTTON_PRESS: - if ( event->button.button == 1 && !this->space_panning) { - Inkscape::setup_for_drag_start(desktop, this, event); - ret = TRUE; - } - break; - // motion and release are always on root (why?) - default: - break; - } - - ret = ToolBase::item_handler(item, event); - - return ret; -} - -bool RectTool::root_handler(GdkEvent* event) { - static bool dragging; - - SPDesktop *desktop = this->desktop; - Inkscape::Selection *selection = sp_desktop_selection (desktop); - - Inkscape::Preferences *prefs = Inkscape::Preferences::get(); - - this->tolerance = prefs->getIntLimited("/options/dragtolerance/value", 0, 0, 100); - - gint ret = FALSE; - - switch (event->type) { - case GDK_BUTTON_PRESS: - if (event->button.button == 1 && !this->space_panning) { - Geom::Point const button_w(event->button.x, event->button.y); - - // save drag origin - this->xp = (gint) button_w[Geom::X]; - this->yp = (gint) button_w[Geom::Y]; - this->within_tolerance = true; - - // remember clicked item, disregarding groups, honoring Alt - this->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)); - this->center = button_dt; - - /* Snap center */ - SnapManager &m = desktop->namedview->snap_manager; - m.setup(desktop); - m.freeSnapReturnByRef(button_dt, Inkscape::SNAPSOURCE_NODE_HANDLE); - m.unSetup(); - this->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) && !this->space_panning) - { - if ( this->within_tolerance - && ( abs( (gint) event->motion.x - this->xp ) < this->tolerance ) - && ( abs( (gint) event->motion.y - this->yp ) < this->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) - this->within_tolerance = false; - - Geom::Point const motion_w(event->motion.x, event->motion.y); - Geom::Point motion_dt(desktop->w2d(motion_w)); - - this->drag(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(this)) { - 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: - this->xp = this->yp = 0; - if (event->button.button == 1 && !this->space_panning) { - dragging = false; - sp_event_context_discard_delayed_snap_event(this); - - if (!this->within_tolerance) { - // we've been dragging, finish the rect - this->finishItem(); - } else if (this->item_to_select) { - // no dragging, select clicked item if any - if (event->button.state & GDK_SHIFT_MASK) { - selection->toggle(this->item_to_select); - } else { - selection->set(this->item_to_select); - } - } else { - // click in an empty space - selection->clear(); - } - - this->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 (this->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(event)) - ret = TRUE; - break; - - case GDK_KEY_x: - case GDK_KEY_X: - if (MOD__ALT_ONLY(event)) { - desktop->setToolboxFocusTo ("altx-rect"); - ret = TRUE; - } - break; - - case GDK_KEY_g: - case GDK_KEY_G: - if (MOD__SHIFT_ONLY(event)) { - sp_selection_to_guides(desktop); - ret = true; - } - break; - - case GDK_KEY_Escape: - if (dragging) { - dragging = false; - sp_event_context_discard_delayed_snap_event(this); - // if drawing, cancel, otherwise pass it up for deselecting - this->cancel(); - 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(this); - - if (!this->within_tolerance) { - // we've been dragging, finish the rect - this->finishItem(); - } - // do not return true, so that space would work switching to selector - } - break; - - case GDK_KEY_Delete: - case GDK_KEY_KP_Delete: - case GDK_KEY_BackSpace: - ret = this->deleteSelectedDrag(MOD__CTRL_ONLY(event)); - 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: - this->defaultMessageContext()->clear(); - break; - default: - break; - } - break; - default: - break; - } - - if (!ret) { - ret = ToolBase::root_handler(event); - } - - return ret; -} - -void RectTool::drag(Geom::Point const pt, guint state) { - SPDesktop *desktop = this->desktop; - - if (!this->rect) { - if (Inkscape::have_viable_layer(desktop, this->message_context) == false) { - return; - } - - // Create object - Inkscape::XML::Document *xml_doc = this->desktop->doc()->getReprDoc(); - Inkscape::XML::Node *repr = xml_doc->createElement("svg:rect"); - - // Set style - sp_desktop_apply_style_tool (desktop, repr, "/tools/shapes/rect", false); - - this->rect = SP_RECT(desktop->currentLayer()->appendChildRepr(repr)); - Inkscape::GC::release(repr); - - this->rect->transform = SP_ITEM(desktop->currentLayer())->i2doc_affine().inverse(); - this->rect->updateRepr(); - - desktop->canvas->forceFullRedrawAfterInterruptions(5); - } - - Geom::Rect const r = Inkscape::snap_rectangular_box(desktop, this->rect, pt, this->center, state); - - this->rect->setPosition(r.min()[Geom::X], r.min()[Geom::Y], r.dimensions()[Geom::X], r.dimensions()[Geom::Y]); - - if (this->rx != 0.0) { - this->rect->setRx(true, this->rx); - } - - if (this->ry != 0.0) { - if (this->rx == 0.0) - this->rect->setRy(true, CLAMP(this->ry, 0, MIN(r.dimensions()[Geom::X], r.dimensions()[Geom::Y])/2)); - else - this->rect->setRy(true, CLAMP(this->ry, 0, r.dimensions()[Geom::Y])); - } - - // status text - double rdimx = r.dimensions()[Geom::X]; - double rdimy = r.dimensions()[Geom::Y]; - - Inkscape::Util::Quantity rdimx_q = Inkscape::Util::Quantity(rdimx, "px"); - Inkscape::Util::Quantity rdimy_q = Inkscape::Util::Quantity(rdimy, "px"); - GString *xs = g_string_new(rdimx_q.string(desktop->namedview->doc_units).c_str()); - GString *ys = g_string_new(rdimy_q.string(desktop->namedview->doc_units).c_str()); - - 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) { - this->message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("<b>Rectangle</b>: %s × %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) { - this->message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("<b>Rectangle</b>: %s × %s (constrained to golden ratio 1.618 : 1); with <b>Shift</b> to draw around the starting point"), xs->str, ys->str); - } else { - this->message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("<b>Rectangle</b>: %s × %s (constrained to golden ratio 1 : 1.618); with <b>Shift</b> to draw around the starting point"), xs->str, ys->str); - } - } - } else { - this->message_context->setF(Inkscape::IMMEDIATE_MESSAGE, _("<b>Rectangle</b>: %s × %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); -} - -void RectTool::finishItem() { - this->message_context->clear(); - - if (this->rect != NULL) { - if (this->rect->width.computed == 0 || this->rect->height.computed == 0) { - this->cancel(); // Don't allow the creating of zero sized rectangle, for example when the start and and point snap to the snap grid point - return; - } - - this->rect->updateRepr(); - this->rect->doWriteTransform(this->rect->getRepr(), this->rect->transform, NULL, true); - - this->desktop->canvas->endForcedFullRedraws(); - - sp_desktop_selection(this->desktop)->set(this->rect); - - DocumentUndo::done(sp_desktop_document(this->desktop), SP_VERB_CONTEXT_RECT, _("Create rectangle")); - - this->rect = NULL; - } -} - -void RectTool::cancel(){ - sp_desktop_selection(this->desktop)->clear(); - sp_canvas_item_ungrab(SP_CANVAS_ITEM(this->desktop->acetate), 0); - - if (this->rect != NULL) { - this->rect->deleteObject(); - this->rect = NULL; - } - - this->within_tolerance = false; - this->xp = 0; - this->yp = 0; - this->item_to_select = NULL; - - this->desktop->canvas->endForcedFullRedraws(); - - DocumentUndo::cancel(sp_desktop_document(this->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 : |
