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comparison dwtx/novocode/ishell/internal/TitleBarButton.d @ 188:e3780acbbf80

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Added ported sources from Novocode, thanks to WasserDragoon
author Frank Benoit <benoit@tionex.de>
date Sun, 26 Oct 2008 14:54:39 +0100
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children 71ca5bcf2307
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187:293a2f22f944 188:e3780acbbf80
1 /*******************************************************************************
2 * Copyright (c) 2005 Stefan Zeiger and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.novocode.com/legal/epl-v10.html
7 *
8 * Contributors:
9 * Stefan Zeiger (szeiger@novocode.com) - initial API and implementation
10 *******************************************************************************/
11
12 module dwtx.novocode.ishell.internal.TitleBarButton;
13
14 import dwt.DWT;
15 import dwt.graphics.Color;
16 import dwt.graphics.GC;
17 import dwt.graphics.Point;
18 import dwt.widgets.Display;
19 import dwt.widgets.Event;
20 import dwt.widgets.Listener;
21 import dwt.widgets.Shell;
22
23 import dwtx.novocode.ishell.InternalShell;
24 import dwtx.novocode.ishell.internal.CustomDrawnButton;
25
26
27 /**
28 * A title bar button for an InternalShell.
29 *
30 * @author Stefan Zeiger (szeiger@novocode.com)
31 * @since Jan 30, 2005
32 * @version $Id: TitleBarButton.java 322 2005-02-26 20:31:26 +0000 (Sat, 26 Feb 2005) szeiger $
33 */
34
35 class TitleBarButton : CustomDrawnButton
36 {
37 private Color highlightShadowColor, lightShadowColor, normalShadowColor, darkShadowColor;
38 private Color gradEndColor, inactiveGradEndColor, widgetBackgroundColor, widgetForegroundColor;
39 private int style;
40 private Shell shell;
41 private Display display;
42 private InternalShell ishell;
43 private int leftOff, rightOff;
44 private Listener activateListener, deactivateListener;
45
46 this(InternalShell parent, int style)
47 {
48 super(parent, DWT.NO_FOCUS | DWT.NO_BACKGROUND);
49 this.style = style;
50 this.shell = getShell();
51 this.display = getDisplay();
52 this.ishell = parent;
53
54 highlightShadowColor = display.getSystemColor(DWT.COLOR_WIDGET_HIGHLIGHT_SHADOW);
55 lightShadowColor = display.getSystemColor(DWT.COLOR_WIDGET_LIGHT_SHADOW);
56 normalShadowColor = display.getSystemColor(DWT.COLOR_WIDGET_NORMAL_SHADOW);
57 darkShadowColor = display.getSystemColor(DWT.COLOR_WIDGET_DARK_SHADOW);
58 gradEndColor = display.getSystemColor(DWT.COLOR_TITLE_BACKGROUND_GRADIENT);
59 inactiveGradEndColor = display.getSystemColor(DWT.COLOR_TITLE_INACTIVE_BACKGROUND_GRADIENT);
60 widgetBackgroundColor = display.getSystemColor(DWT.COLOR_WIDGET_BACKGROUND);
61 widgetForegroundColor = display.getSystemColor(DWT.COLOR_WIDGET_FOREGROUND);
62
63 if((style & (DWT.CLOSE | DWT.MAX)) !is 0) rightOff = 2;
64 else leftOff = 2;
65
66 activateListener = dgListener(&onActivateListener);
67 deactivateListener = dgListener(&onDeactivateListener);
68 shell.addListener(DWT.Activate, activateListener);
69 shell.addListener(DWT.Deactivate, deactivateListener);
70
71 addListener(DWT.Dispose, dgListener(&onDispose));
72 }
73
74
75 private void onActivateListener(Event event)
76 {
77 redraw();
78 }
79
80
81 private void onDeactivateListener(Event event)
82 {
83 redraw();
84 }
85
86
87 private void onDispose(Event event)
88 {
89 shell.removeListener(DWT.Activate, activateListener);
90 shell.removeListener(DWT.Deactivate, deactivateListener);
91 }
92
93
94 public int getStyle()
95 {
96 return style;
97 }
98
99
100 protected void onPaint(Event event, bool pressed)
101 {
102 Point size = getSize();
103 bool active = (shell is display.getActiveShell() && ishell.isActiveShell());
104 GC gc = event.gc;
105
106 gc.setBackground(active ? gradEndColor : inactiveGradEndColor);
107 gc.fillRectangle(0, 0, size.x, size.y);
108 gc.setBackground(widgetBackgroundColor);
109 gc.fillRectangle(2, 4, size.x-4, size.y-6);
110
111 Color tloColor, tliColor, broColor, briColor;
112 int pOff;
113 if(pressed)
114 {
115 tloColor = darkShadowColor;
116 tliColor = normalShadowColor;
117 broColor = highlightShadowColor;
118 briColor = lightShadowColor;
119 pOff = 1;
120 }
121 else
122 {
123 tloColor = highlightShadowColor;
124 tliColor = lightShadowColor;
125 broColor = darkShadowColor;
126 briColor = normalShadowColor;
127 pOff = 0;
128 }
129
130 drawBevelRect(gc, leftOff, 2, size.x-1-leftOff-rightOff, size.y-5, tloColor, broColor);
131 drawBevelRect(gc, 1+leftOff, 3, size.x-3-leftOff-rightOff, size.y-7, tliColor, briColor);
132
133 if(isEnabled())
134 {
135 gc.setForeground(widgetForegroundColor);
136 drawImage(gc, size, pOff);
137 }
138 else
139 {
140 gc.setForeground(highlightShadowColor);
141 drawImage(gc, size, 1);
142 gc.setForeground(normalShadowColor);
143 drawImage(gc, size, 0);
144 }
145 }
146
147
148 private void drawImage(GC gc, Point size, int pOff)
149 {
150 if((style & DWT.CLOSE) !is 0) drawCloseImage(gc, size, pOff);
151 else if((style & DWT.MAX) !is 0)
152 {
153 if(ishell.getMaximized()) drawRestoreImage(gc, size, pOff);
154 else drawMaximizeImage(gc, size, pOff);
155 }
156 else if((style & DWT.MIN) !is 0) drawMinimizeImage(gc, size, pOff);
157 }
158
159
160 private static void drawBevelRect(GC gc, int x, int y, int w, int h, Color topleft, Color bottomright)
161 {
162 gc.setForeground(bottomright);
163 gc.drawLine(x + w, y, x + w, y + h);
164 gc.drawLine(x, y + h, x + w, y + h);
165
166 gc.setForeground(topleft);
167 gc.drawLine(x, y, x + w - 1, y);
168 gc.drawLine(x, y, x, y + h - 1);
169 }
170
171
172 private void drawCloseImage(GC gc, Point size, int pOff)
173 {
174 gc.drawLine(pOff+leftOff+4, pOff+5, pOff+size.x-leftOff-rightOff-6, pOff+size.y-7);
175 gc.drawLine(pOff+leftOff+5, pOff+5, pOff+size.x-leftOff-rightOff-5, pOff+size.y-7);
176 gc.drawLine(pOff+leftOff+4, pOff+size.y-7, pOff+size.x-leftOff-rightOff-6, pOff+5);
177 gc.drawLine(pOff+leftOff+5, pOff+size.y-7, pOff+size.x-leftOff-rightOff-5, pOff+5);
178 }
179
180
181 private void drawRestoreImage(GC gc, Point size, int pOff)
182 {
183 gc.drawRectangle(pOff+leftOff+3, pOff+7, size.x-leftOff-rightOff-11, size.y-13);
184 gc.drawLine(pOff+leftOff+4, pOff+8, pOff+size.x-leftOff-rightOff-9, pOff+8);
185 gc.drawLine(pOff+leftOff+6, pOff+5, pOff+size.x-leftOff-rightOff-7, pOff+5);
186 gc.drawLine(pOff+leftOff+5, pOff+4, pOff+size.x-leftOff-rightOff-6, pOff+4);
187 gc.drawLine(pOff+size.x-leftOff-rightOff-7, pOff+size.y-9, pOff+size.x-leftOff-rightOff-6, pOff+size.y-9);
188 gc.drawLine(pOff+size.x-leftOff-rightOff-6, pOff+size.y-10, pOff+size.x-leftOff-rightOff-6, pOff+5);
189 gc.drawLine(pOff+leftOff+5, pOff+5, pOff+leftOff+5, pOff+6);
190 }
191
192
193 private void drawMaximizeImage(GC gc, Point size, int pOff)
194 {
195 gc.drawRectangle(pOff+leftOff+3, pOff+4, size.x-leftOff-rightOff-8, size.y-10);
196 gc.drawLine(pOff+leftOff+4, pOff+5, pOff+size.x-leftOff-rightOff-6, pOff+5);
197 }
198
199
200 private void drawMinimizeImage(GC gc, Point size, int pOff)
201 {
202 gc.drawLine(pOff+leftOff+4, pOff+size.y-6, pOff+size.x-leftOff-rightOff-5, pOff+size.y-6);
203 gc.drawLine(pOff+leftOff+4, pOff+size.y-7, pOff+size.x-leftOff-rightOff-5, pOff+size.y-7);
204 }
205 }