Mercurial > projects > mde
view mde/gui/widget/TextWidget.d @ 119:d28aea50c6da
Basic edit cursor placement using the mouse.
Moved textContent.d's contents into TextWidget.d.
author | Diggory Hardy <diggory.hardy@gmail.com> |
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date | Thu, 01 Jan 2009 14:52:09 +0000 |
parents | b16a534f5302 |
children | 5b37d0400732 |
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/* LICENSE BLOCK Part of mde: a Modular D game-oriented Engine Copyright © 2007-2008 Diggory Hardy This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /** Simple text widgets. */ module mde.gui.widget.TextWidget; import mde.gui.widget.Widget; import mde.gui.exception; import mde.gui.renderer.IRenderer; import mde.content.AStringContent; import tango.util.log.Log : Log, Logger; private Logger logger; static this () { logger = Log.getLogger ("mde.gui.widget.TextWidget"); } /** Base text widget. */ class ATextWidget : AWidget { /** Set the adapter first: * adapter = mgr.renderer.getAdapter (...); */ protected this (IWidgetManager mgr, widgetID id, WidgetData data) { super (mgr, id, data); } /** Recalculates dims if the renderer changed. */ override bool setup (uint,uint flags) { if (flags & 1) { adapter.getDimensions (mw, mh); if (mw != w || mh != h) { w = mw; h = mh; return true; } } return false; } override void draw () { super.draw(); adapter.draw (x,y); } protected: IRenderer.TextAdapter adapter; } /** Basic text widget * * Displays data.strings[0] directly (no translation). */ class TextLabelWidget : ATextWidget { /** Constructor for a widget containing [fixed] content. * * Widget uses the initialisation data: * [widgetID, contentID, colour] * where contentID is an ID for the string ID of the contained content * and colour is an 8-bit-per-channel RGB colour of the form 0xRRGGBB. */ this (IWidgetManager mgr, widgetID id, WidgetData data) { WDCheck (data, 2, 1); adapter = mgr.renderer.getAdapter (data.ints[1]); adapter.text = data.strings[0]; super (mgr, id, data); } } /** Basic widget displaying a label from a content. * * Can display value, name, description or possibly other field of a content, dependent on * data.ints[1]. */ class ContentLabelWidget : ATextWidget { this (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) { content = c; WDCCheck (data, 3, 0, content); index = data.ints[1]; adapter = mgr.renderer.getAdapter (data.ints[2]); super (mgr, id,data); } override bool setup (uint n, uint flags) { if (!(flags & 3)) return false; // string or renderer (and possibly font) changed adapter.text = content.toString(index); return super.setup (n, 3); // force redimensioning } protected: IContent content; int index; } /// Just displays the value of a content. Generic − any IContent. class DisplayContentWidget : ATextWidget { this (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) { content = c; WDCMinCheck(data, 1,0, content); adapter = mgr.renderer.getAdapter (); adapter.text = content.toString(0); super (mgr, id, data); } protected: IContent content; } /// Text-box for editing a content's value. Generic − any AStringContent. class AStringContentWidget : ATextWidget { this (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) { content = cast(AStringContent) c; WDCMinCheck(data, 1,0, content); adapter = mgr.renderer.getAdapter (); adapter.text = content.toString(0); super (mgr, id, data); } override bool isWSizable () { return true; } override bool isHSizable () { return true; } /** On click, request keyboard input. */ override int clickEvent (wdabs cx, wdabs, ubyte, bool) { //adapter.index = content.editIndex; content.editIndex = adapter.setIndex (cx - x); mgr.requestRedraw; return 1; // get keyboard input via keyEvent } override void keyEvent (ushort s, char[] i) { adapter.text = content.keyStroke (s, i); adapter.index = content.editIndex; adapter.getDimensions (mw, mh); // NOTE: only passively change size: next resize will see new minimal size mgr.requestRedraw; } override void keyFocusLost () { adapter.text = content.endEdit; // update other users of content relying on callbacks adapter.index; mgr.requestRedraw; } protected: AStringContent content; }