154 lines
3.8 KiB
C#
154 lines
3.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
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* This file is part of OpenRA.
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*
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* OpenRA is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* OpenRA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#endregion
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using System.Drawing;
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using System;
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namespace OpenRA.Widgets
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{
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class TextFieldWidget : Widget
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{
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string TextBuffer = "";
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public int VisualHeight = 1;
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public TextFieldWidget()
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: base()
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{
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}
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public TextFieldWidget(Widget widget)
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:base(widget)
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{
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TextBuffer = (widget as TextFieldWidget).TextBuffer;
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}
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public override bool HandleInput(MouseInput mi)
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{
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// We get this first if we are focussed; if the click was somewhere else remove focus
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if (Chrome.selectedWidget == this && mi.Event == MouseInputEvent.Down && !GetEventBounds().Contains(mi.Location.X,mi.Location.Y))
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{
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Chrome.selectedWidget = null;
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return false;
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}
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// Are we able to handle this event?
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if (!Visible || !GetEventBounds().Contains(mi.Location.X,mi.Location.Y))
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return base.HandleInput(mi);
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if (base.HandleInput(mi))
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return true;
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if (mi.Event == MouseInputEvent.Down)
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{
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Focus();
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return true;
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}
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return false;
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}
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void Focus()
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{
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Chrome.selectedWidget = this;
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blinkCycle = 10;
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showCursor = true;
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}
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public override bool HandleKeyPress(System.Windows.Forms.KeyPressEventArgs e, Modifiers modifiers)
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{
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if (base.HandleKeyPress(e,modifiers))
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return true;
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// Only take input if we are selected
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if (Chrome.selectedWidget != this)
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return false;
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if (e.KeyChar == '\r')
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{
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if (TextBuffer.Length > 0)
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Game.IssueOrder( Order.Chat( TextBuffer ) );
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TextBuffer = "";
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}
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TypeChar(e.KeyChar);
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return true;
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}
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public void TypeChar(char c)
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{
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if (c == '\b' || c == 0x7f)
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{
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if (TextBuffer.Length > 0)
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TextBuffer = TextBuffer.Remove(TextBuffer.Length - 1);
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}
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else if (!char.IsControl(c))
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TextBuffer += c;
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}
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int blinkCycle = 10;
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bool showCursor = true;
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public override void Tick(World world)
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{
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if (--blinkCycle <= 0)
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{
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blinkCycle = 20;
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showCursor ^= true;
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}
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base.Tick(world);
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}
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public override void DrawInner(World world)
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{
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int margin = 5;
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var font = Game.chrome.renderer.RegularFont;
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var text = TextBuffer + ((showCursor && Chrome.selectedWidget == this) ? "|" : "");
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var textSize = font.Measure(TextBuffer);
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var pos = DrawPosition();
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WidgetUtils.DrawPanel("dialog3",
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new Rectangle(pos.X, pos.Y, Bounds.Width, Bounds.Height ) );
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// Inset text by the margin and center vertically
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var textPos = pos + new int2( margin, (Bounds.Height - textSize.Y)/2 - VisualHeight);
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// Right align and scissor when the text overflows
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if (textSize.X > Bounds.Width - 2*margin)
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{
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textPos += new int2(Bounds.Width - 2*margin - textSize.X,0);
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Game.chrome.renderer.Device.EnableScissor(pos.X + margin, pos.Y, Bounds.Width - 2*margin, Bounds.Bottom);
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}
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font.DrawText(text, textPos, Color.White);
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if (textSize.X > Bounds.Width - 2*margin)
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{
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Game.chrome.renderer.RgbaSpriteRenderer.Flush();
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Game.chrome.renderer.Device.DisableScissor();
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}
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}
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public override Widget Clone()
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{
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return new TextFieldWidget(this);
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}
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}
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} |