668 lines
20 KiB
C++
668 lines
20 KiB
C++
#include "precompiled.h"
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/*
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* wxJavaScript - scrollwnd.cpp
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*
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* Copyright (c) 2002-2007 Franky Braem and the wxJavaScript project
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*
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* Project Info: http://www.wxjavascript.net or http://wxjs.sourceforge.net
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* $Id: scrollwnd.cpp 810 2007-07-13 20:07:05Z fbraem $
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*/
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#include <wx/wx.h>
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/***
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* <file>control/scrolwin</file>
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* <module>gui</module>
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* <class name="wxScrolledWindow" prototype="@wxPanel">
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* The wxScrolledWindow class manages scrolling for its client area, transforming
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* the coordinates according to the scrollbar positions, and setting the scroll positions,
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* thumb sizes and ranges according to the area in view.
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* </class>
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*/
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#include "../../common/main.h"
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#include "../../ext/wxjs_ext.h"
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#include "../misc/size.h"
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#include "scrollwnd.h"
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#include "panel.h"
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#include "window.h"
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#include "../errors.h"
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using namespace wxjs;
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using namespace wxjs::gui;
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WXJS_INIT_CLASS(ScrolledWindow, "wxScrolledWindow", 1)
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/***
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* <properties>
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* <property name="retained" type="Boolean" readonly="Y">
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* Motif only: true if the window has a backing bitmap
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* </property>
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* <property name="scrollPixelsPerUnit" type="Array" readonly="Y">
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* Get the number of pixels per scroll unit (line), in each direction, as set
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* by @wxScrolledWindow#setScrollbars. A value of zero indicates no scrolling
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* in that direction.
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* </property>
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* <property name="viewStart" type="Array" readonly="Y">
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* Get the position at which the visible portion of the window starts.
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* </property>
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* <property name="virtualSize" type="Array" readonly="Y">
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* Gets the size in device units of the scrollable window area
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* (as opposed to the client size, which is the area of the window currently
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* visible)
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* </property>
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* </properties>
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*/
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WXJS_BEGIN_PROPERTY_MAP(ScrolledWindow)
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WXJS_READONLY_PROPERTY(P_RETAINED, "retained")
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WXJS_READONLY_PROPERTY(P_SCROLL_PIXELS_PER_UNIT, "scrollPixelsPerUnit")
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WXJS_READONLY_PROPERTY(P_VIEW_START, "viewStart")
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WXJS_READONLY_PROPERTY(P_VIRTUAL_SIZE, "virtualSize")
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WXJS_END_PROPERTY_MAP()
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bool ScrolledWindow::GetProperty(wxScrolledWindow *p,
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JSContext *cx,
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JSObject* WXUNUSED(obj),
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int id,
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jsval *vp)
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{
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switch (id)
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{
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case P_RETAINED:
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*vp = ToJS(cx, p->IsRetained());
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break;
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case P_SCROLL_PIXELS_PER_UNIT:
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{
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int x = 0;
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int y = 0;
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p->GetScrollPixelsPerUnit(&x, &y);
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JSObject *objArr = JS_NewArrayObject(cx, 2, NULL);
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*vp = OBJECT_TO_JSVAL(objArr);
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jsval element = ToJS(cx, x);
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JS_SetElement(cx, objArr, 0, &element);
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element = ToJS(cx, y);
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JS_SetElement(cx, objArr, 1, &element);
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}
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case P_VIEW_START:
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{
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int x = 0;
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int y = 0;
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p->GetViewStart(&x, &y);
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JSObject *objArr = JS_NewArrayObject(cx, 2, NULL);
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*vp = OBJECT_TO_JSVAL(objArr);
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jsval element = ToJS(cx, x);
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JS_SetElement(cx, objArr, 0, &element);
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element = ToJS(cx, y);
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JS_SetElement(cx, objArr, 1, &element);
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}
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case P_VIRTUAL_SIZE:
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{
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int x = 0;
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int y = 0;
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p->GetVirtualSize(&x, &y);
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JSObject *objArr = JS_NewArrayObject(cx, 2, NULL);
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*vp = OBJECT_TO_JSVAL(objArr);
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jsval element = ToJS(cx, x);
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JS_SetElement(cx, objArr, 0, &element);
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element = ToJS(cx, y);
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JS_SetElement(cx, objArr, 1, &element);
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}
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}
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return true;
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}
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bool ScrolledWindow::AddProperty(wxScrolledWindow *p,
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JSContext* WXUNUSED(cx),
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JSObject* WXUNUSED(obj),
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const wxString &prop,
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jsval* WXUNUSED(vp))
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{
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if ( WindowEventHandler::ConnectEvent(p, prop, true) )
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return true;
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PanelEventHandler::ConnectEvent(p, prop, true);
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return true;
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}
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bool ScrolledWindow::DeleteProperty(wxScrolledWindow *p,
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JSContext* WXUNUSED(cx),
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JSObject* WXUNUSED(obj),
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const wxString &prop)
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{
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if ( WindowEventHandler::ConnectEvent(p, prop, false) )
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return true;
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PanelEventHandler::ConnectEvent(p, prop, false);
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return true;
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}
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/***
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* <ctor>
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* <function />
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* <function>
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* <arg name="Parent" type="@wxWindow">The parent window</arg>
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* <arg name="Id" type="Integer">A windows identifier.
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* Use -1 when you don't need it.</arg>
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* <arg name="Position" type="@wxPoint" default="wxDefaultPosition">
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* The position of the control on the given parent</arg>
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* <arg name="Size" type="@wxSize" default="wxDefaultSize">
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* The size of the control</arg>
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* <arg name="Style" type="Integer"
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* default="wxWindow.HSCROLL + wxWindow.VSCROLL">
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* The style of the control
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* </arg>
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* </function>
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* <desc>
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* Constructs a new wxScrolledWindow object.
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* </desc>
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* </ctor>
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*/
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wxScrolledWindow* ScrolledWindow::Construct(JSContext *cx,
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JSObject *obj,
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uintN argc,
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jsval *argv,
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bool WXUNUSED(constructing))
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{
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wxScrolledWindow *p = new wxScrolledWindow();
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SetPrivate(cx, obj, p);
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if ( argc > 0 )
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{
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jsval rval;
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if ( ! create(cx, obj, argc, argv, &rval) )
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return NULL;
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}
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return p;
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}
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WXJS_BEGIN_METHOD_MAP(ScrolledWindow)
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WXJS_METHOD("calcScrolledPosition", calcScrolledPosition, 2)
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WXJS_METHOD("calcUnscrolledPosition", calcUnscrolledPosition, 2)
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WXJS_METHOD("enableScrolling", enableScrolling, 2)
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WXJS_METHOD("scroll", scroll, 2)
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WXJS_METHOD("setScrollbars", setScrollbars, 4)
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WXJS_METHOD("setScrollRate", setScrollRate, 2)
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WXJS_METHOD("setTargetWindow", setTargetWindow, 1)
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WXJS_END_METHOD_MAP()
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/***
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* <method name="create">
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* <function>
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* <arg name="Parent" type="@wxWindow">The parent window</arg>
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* <arg name="Id" type="Integer">A windows identifier.
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* Use -1 when you don't need it.</arg>
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* <arg name="Position" type="@wxPoint" default="wxDefaultPosition">
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* The position of the control on the given parent</arg>
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* <arg name="Size" type="@wxSize" default="wxDefaultSize">
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* The size of the control</arg>
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* <arg name="Style" type="Integer"
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* default="wxWindow.HSCROLL + wxWindow.VSCROLL">
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* The style of the control
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* </arg>
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* </function>
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* <desc>
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* Constructs a new wxScrolledWindow object.
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* </desc>
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* </method>
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*/
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JSBool ScrolledWindow::create(JSContext *cx,
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JSObject *obj,
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uintN argc,
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jsval *argv,
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jsval *rval)
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{
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wxScrolledWindow *p = GetPrivate(cx, obj);
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*rval = JSVAL_FALSE;
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const wxPoint *pt = &wxDefaultPosition;
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const wxSize *size = &wxDefaultSize;
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int style = wxHSCROLL + wxVSCROLL;
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int id = -1;
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if ( argc > 5 )
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argc = 5;
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switch(argc)
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{
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case 5:
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if ( ! FromJS(cx, argv[4], style) )
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{
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JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 5, "Integer");
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return JS_FALSE;
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}
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// Walk through
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case 4:
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size = Size::GetPrivate(cx, argv[3]);
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if ( size == NULL )
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{
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JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 4, "wxSize");
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return JS_FALSE;
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}
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// Walk through
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case 3:
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pt = wxjs::ext::GetPoint(cx, argv[2]);
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if ( pt == NULL )
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{
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JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 3, "wxPoint");
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return JS_FALSE;
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}
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// Walk through
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case 2:
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if ( ! FromJS(cx, argv[1], id) )
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{
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JS_ReportError(cx, WXJS_INVALID_ARG_TYPE, 2, "Integer");
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return JS_FALSE;
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}
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// Walk through
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default:
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wxWindow *parent = Window::GetPrivate(cx, argv[0]);
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if ( parent == NULL )
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{
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JS_ReportError(cx, WXJS_NO_PARENT_ERROR, GetClass()->name);
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return JS_FALSE;
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}
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JavaScriptClientData *clntParent =
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dynamic_cast<JavaScriptClientData *>(parent->GetClientObject());
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if ( clntParent == NULL )
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{
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JS_ReportError(cx, WXJS_NO_PARENT_ERROR, GetClass()->name);
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return JS_FALSE;
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}
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JS_SetParent(cx, obj, clntParent->GetObject());
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if ( p->Create(parent, id, *pt, *size, style) )
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{
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*rval = JSVAL_TRUE;
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p->SetClientObject(new JavaScriptClientData(cx, obj, true, false));
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}
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}
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return JS_TRUE;
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}
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/***
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* <method name="calcScrolledPosition">
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* <function returns="Array">
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* <arg name="x" type="Integer" />
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* <arg name="y" type="Integer" />
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* </function>
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* <desc>
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* Translates the logical coordinates to the device ones.
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* </desc>
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* </method>
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*/
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JSBool ScrolledWindow::calcScrolledPosition(JSContext* cx,
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JSObject* obj,
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uintN WXUNUSED(argc),
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jsval* argv,
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jsval* rval)
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{
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wxScrolledWindow *p = GetPrivate(cx, obj);
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if ( p == NULL )
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return JS_FALSE;
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int x = 0;
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int y = 0;
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int xx = 0;
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int yy = 0;
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if ( FromJS(cx, argv[0], x)
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&& FromJS(cx, argv[1], y) )
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{
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p->CalcScrolledPosition(x, y, &xx, &yy);
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}
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JSObject *objArr = JS_NewArrayObject(cx, 2, NULL);
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*rval = OBJECT_TO_JSVAL(objArr);
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jsval element = ToJS(cx, xx);
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JS_SetElement(cx, objArr, 0, &element);
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element = ToJS(cx, yy);
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JS_SetElement(cx, objArr, 1, &element);
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return JS_TRUE;
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}
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/***
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* <method name="calcUnscrolledPosition">
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* <function returns="Array">
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* <arg name="x" type="Integer" />
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* <arg name="y" type="Integer" />
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* </function>
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* <desc>
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* Translates the device coordinates to the logical ones.
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* </desc>
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* </method>
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*/
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JSBool ScrolledWindow::calcUnscrolledPosition(JSContext *cx,
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JSObject *obj,
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uintN WXUNUSED(argc),
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jsval *argv,
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jsval *rval)
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{
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wxScrolledWindow *p = GetPrivate(cx, obj);
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if ( p == NULL )
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return JS_FALSE;
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int x = 0;
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int y = 0;
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int xx = 0;
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int yy = 0;
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if ( FromJS(cx, argv[0], x)
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&& FromJS(cx, argv[1], y) )
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{
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p->CalcUnscrolledPosition(x, y, &xx, &yy);
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}
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JSObject *objArr = JS_NewArrayObject(cx, 2, NULL);
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*rval = OBJECT_TO_JSVAL(objArr);
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jsval element = ToJS(cx, xx);
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JS_SetElement(cx, objArr, 0, &element);
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element = ToJS(cx, yy);
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JS_SetElement(cx, objArr, 1, &element);
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return JS_TRUE;
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}
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/***
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* <method name="enableScrolling">
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* <function>
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* <arg name="xScrolling" type="Boolean" />
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* <arg name="yScrolling" type="Boolean" />
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* </function>
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* <desc>
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* Enable or disable physical scrolling in the given direction.
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* Physical scrolling is the physical transfer of bits up or down the
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* screen when a scroll event occurs. If the application scrolls by a
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* variable amount (e.g. if there are different font sizes)
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* then physical scrolling will not work, and you should switch it off.
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* Note that you will have to reposition child windows yourself, if physical
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* scrolling is disabled.
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* <blockquote>
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* Physical scrolling may not be available on all platforms. Where it is
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* available, it is enabled by default.
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* </blockquote>
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* </desc>
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* </method>
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*/
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JSBool ScrolledWindow::enableScrolling(JSContext *cx,
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JSObject *obj,
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uintN WXUNUSED(argc),
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jsval *argv,
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jsval* WXUNUSED(rval))
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{
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wxScrolledWindow *p = GetPrivate(cx, obj);
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if ( p == NULL )
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return JS_FALSE;
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bool xScrolling = true;
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bool yScrolling = true;
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if ( FromJS(cx, argv[0], xScrolling)
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&& FromJS(cx, argv[1], yScrolling) )
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{
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p->EnableScrolling(xScrolling, yScrolling);
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}
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return JS_TRUE;
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}
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/***
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* <method name="getView">
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* <function returns="Array" />
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* <desc>
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* Get the number of pixels per scroll unit (line), in each direction, as set
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* by @wxScrolledWindow#setScrollbars. A value of zero indicates no scrolling
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* in that direction.
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* </desc>
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* </method>
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*/
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JSBool ScrolledWindow::getScrollPixelsPerUnit(JSContext *cx,
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JSObject *obj,
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uintN WXUNUSED(argc),
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jsval* WXUNUSED(argv),
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jsval *rval)
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{
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wxScrolledWindow *p = GetPrivate(cx, obj);
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if ( p == NULL )
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return JS_FALSE;
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int x = 0;
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int y = 0;
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p->GetScrollPixelsPerUnit(&x, &y);
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JSObject *objArr = JS_NewArrayObject(cx, 2, NULL);
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*rval = OBJECT_TO_JSVAL(objArr);
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jsval element = ToJS(cx, x);
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JS_SetElement(cx, objArr, 0, &element);
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element = ToJS(cx, y);
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JS_SetElement(cx, objArr, 1, &element);
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return JS_TRUE;
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}
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/***
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* <method name="scroll">
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* <function>
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* <arg name="x" type="Integer">The x position to scroll to</arg>
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* <arg name="y" type="Integer">The y position to scroll to</arg>
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* </function>
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* <desc>
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* Scrolls a window so the view start is at the given point.
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* <blockquote>
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* The positions are in scroll units, not pixels, so to convert to pixels
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* you will have to multiply by the number of pixels per scroll increment.
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* If either parameter is -1,
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* that position will be ignored (no change in that direction).
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* </blockquote>
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* </desc>
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* </method>
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*/
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JSBool ScrolledWindow::scroll(JSContext *cx,
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JSObject *obj,
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uintN WXUNUSED(argc),
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jsval *argv,
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jsval* WXUNUSED(rval))
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{
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wxScrolledWindow *p = GetPrivate(cx, obj);
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if ( p == NULL )
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return JS_FALSE;
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int x = 0;
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int y = 0;
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if ( FromJS(cx, argv[0], x)
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&& FromJS(cx, argv[1], y) )
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{
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p->Scroll(x, y);
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}
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return JS_TRUE;
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}
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/***
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* <method name="setScrollbars">
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* <function>
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* <arg name="pixelsPerUnitX" type="Integer">
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* Pixels per scroll unit in the horizontal direction.
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* </arg>
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* <arg name="pixelsPerUnitY" type="Integer">
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* Pixels per scroll unit in the vertical direction.
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* </arg>
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* <arg name="noUnitsX" type="Integer">
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* Number of units in the horizontal direction.
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* </arg>
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* <arg name="noUnitsY" type="Integer">
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* Number of units in the vertical direction.
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* </arg>
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* <arg name="xPos" type="Integer" default="0">
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* Position to initialize the scrollbars in the horizontal direction,
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* in scroll units.
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|
* </arg>
|
|
* <arg name="yPos" type="Integer" default="0">
|
|
* Position to initialize the scrollbars in the vertical direction,
|
|
* in scroll units.
|
|
* </arg>
|
|
* <arg name="noRefresh" type="Integer" default="false">
|
|
* Will not refresh window if true.
|
|
* </arg>
|
|
* </function>
|
|
* <desc>
|
|
* Sets up vertical and/or horizontal scrollbars.
|
|
* <blockquote>
|
|
* The first pair of parameters give the number of pixels per 'scroll step',
|
|
* i.e. amount moved when the up or down scroll arrows are pressed.
|
|
* The second pair gives the length of scrollbar in scroll steps, which sets
|
|
* the size of the virtual window.
|
|
* xPos and yPos optionally specify a position to scroll to immediately.
|
|
* For example, the following gives a window horizontal and vertical
|
|
* scrollbars with 20 pixels per scroll step, and a size of 50 steps
|
|
* (1000 pixels) in each direction.
|
|
* <code class="whjs">
|
|
* window.setScrollbars(20, 20, 50, 50);
|
|
* </code>
|
|
* wxScrolledWindow manages the page size itself, using the current client
|
|
* window size as the page size.
|
|
* </blockquote>
|
|
* </desc>
|
|
* </method>
|
|
*/
|
|
JSBool ScrolledWindow::setScrollbars(JSContext *cx,
|
|
JSObject *obj,
|
|
uintN argc,
|
|
jsval *argv,
|
|
jsval* WXUNUSED(rval))
|
|
{
|
|
wxScrolledWindow *p = GetPrivate(cx, obj);
|
|
if ( p == NULL )
|
|
return JS_FALSE;
|
|
|
|
int pixelsPerUnitX;
|
|
int pixelsPerUnitY;
|
|
int noUnitsX;
|
|
int noUnitsY;
|
|
int xPos = 0;
|
|
int yPos = 0;
|
|
bool noRefresh = false;
|
|
|
|
if ( argc > 7 )
|
|
argc = 7;
|
|
switch(argc)
|
|
{
|
|
case 7:
|
|
if ( ! FromJS(cx, argv[6], noRefresh) )
|
|
break;
|
|
// fall trough
|
|
case 6:
|
|
if ( ! FromJS(cx, argv[5], yPos) )
|
|
break;
|
|
// fall through
|
|
case 5:
|
|
if ( ! FromJS(cx, argv[4], xPos) )
|
|
break;
|
|
// fall through
|
|
default:
|
|
{
|
|
if ( FromJS(cx, argv[0], pixelsPerUnitX)
|
|
&& FromJS(cx, argv[1], pixelsPerUnitY)
|
|
&& FromJS(cx, argv[2], noUnitsX)
|
|
&& FromJS(cx, argv[3], noUnitsY) )
|
|
{
|
|
p->SetScrollbars(pixelsPerUnitX, pixelsPerUnitY,
|
|
noUnitsX, noUnitsY, xPos, yPos, noRefresh);
|
|
}
|
|
}
|
|
}
|
|
return JS_TRUE;
|
|
}
|
|
|
|
/***
|
|
* <method name="setScrollRate">
|
|
* <function>
|
|
* <arg name="xStep" type="Integer" />
|
|
* <arg name="yStep" type="Integer" />
|
|
* </function>
|
|
* <desc>
|
|
* Set the horizontal and vertical scrolling increment only.
|
|
* See the pixelsPerUnit parameter in @wxScrolledWindow#setScrollbars.
|
|
* </desc>
|
|
* </method>
|
|
*/
|
|
JSBool ScrolledWindow::setScrollRate(JSContext *cx,
|
|
JSObject *obj,
|
|
uintN WXUNUSED(argc),
|
|
jsval *argv,
|
|
jsval* WXUNUSED(rval))
|
|
{
|
|
wxScrolledWindow *p = GetPrivate(cx, obj);
|
|
if ( p == NULL )
|
|
return JS_FALSE;
|
|
|
|
int x = 0;
|
|
int y = 0;
|
|
|
|
if ( FromJS(cx, argv[0], x)
|
|
&& FromJS(cx, argv[1], y) )
|
|
{
|
|
p->SetScrollRate(x, y);
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|
|
|
|
/***
|
|
* <method name="setTargetWindow">
|
|
* <function>
|
|
* <arg name="Window" type="@wxWindow" />
|
|
* </function>
|
|
* <desc>
|
|
* Call this function to tell wxScrolledWindow to perform the actual scrolling
|
|
* on a different window (and not on itself).
|
|
* </desc>
|
|
* </method>
|
|
*/
|
|
JSBool ScrolledWindow::setTargetWindow(JSContext *cx,
|
|
JSObject *obj,
|
|
uintN WXUNUSED(argc),
|
|
jsval *argv,
|
|
jsval* WXUNUSED(rval))
|
|
{
|
|
wxScrolledWindow *p = GetPrivate(cx, obj);
|
|
if ( p == NULL )
|
|
return JS_FALSE;
|
|
|
|
wxWindow *win = Window::GetPrivate(cx, argv[0]);
|
|
if ( win )
|
|
{
|
|
p->SetTargetWindow(win);
|
|
}
|
|
|
|
return JS_TRUE;
|
|
}
|