1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/*
* colourcombo.cpp - colour selection combo box
* Program: kalarm
* Copyright (c) 2001 - 2003, 2005 by David Jarvie <software@astrojar.org.uk>
*
* Some code taken from tdelibs/tdeui/kcolorcombo.cpp in the KDE libraries:
* Copyright (C) 1997 Martin Jones (mjones@kde.org)
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <tqpainter.h>
#include <tdelocale.h>
#include <kcolordialog.h>
#include "kalarm/preferences.h"
#include "colourcombo.moc"
ColourCombo::ColourCombo(TQWidget* parent, const char* name, const TQColor& defaultColour)
: TQComboBox(parent, name),
mColourList(Preferences::messageColours()),
mSelectedColour(defaultColour),
mCustomColour(255, 255, 255),
mReadOnly(false),
mDisabled(false)
{
addColours();
connect(this, TQT_SIGNAL(activated(int)), TQT_SLOT(slotActivated(int)));
connect(this, TQT_SIGNAL(highlighted(int)), TQT_SLOT(slotHighlighted(int)));
Preferences::connect(TQT_SIGNAL(preferencesChanged()), TQT_TQOBJECT(this), TQT_SLOT(slotPreferencesChanged()));
}
void ColourCombo::setColour(const TQColor& colour)
{
mSelectedColour = colour;
addColours();
}
/******************************************************************************
* Set a new colour selection.
*/
void ColourCombo::setColours(const ColourList& colours)
{
mColourList = colours;
if (mSelectedColour != mCustomColour
&& !mColourList.contains(mSelectedColour))
{
// The current colour has been deleted
mSelectedColour = mColourList.count() ? mColourList.first() : mCustomColour;
}
addColours();
}
/******************************************************************************
* Called when the user changes the preference settings.
* If the colour list has changed, update the colours displayed.
*/
void ColourCombo::slotPreferencesChanged()
{
const ColourList& prefColours = Preferences::messageColours();
if (prefColours != mColourList)
setColours(prefColours); // update the display with the new colours
}
/******************************************************************************
* Enable or disable the control.
* If it is disabled, its colour is set to the dialog background colour.
*/
void ColourCombo::setEnabled(bool enable)
{
if (enable && mDisabled)
{
mDisabled = false;
setColour(mSelectedColour);
}
else if (!enable && !mDisabled)
{
mSelectedColour = color();
int end = count();
if (end > 1)
{
// Add a dialog background colour item
TQPixmap pm = *pixmap(1);
pm.fill(paletteBackgroundColor());
insertItem(pm);
setCurrentItem(end);
}
mDisabled = true;
}
TQComboBox::setEnabled(enable);
}
void ColourCombo::slotActivated(int index)
{
if (index)
mSelectedColour = mColourList[index - 1];
else
{
if (KColorDialog::getColor(mCustomColour, this) == TQDialog::Accepted)
{
TQRect rect;
drawCustomItem(rect, false);
}
mSelectedColour = mCustomColour;
}
emit activated(mSelectedColour);
}
void ColourCombo::slotHighlighted(int index)
{
mSelectedColour = index ? mColourList[index - 1] : mCustomColour;
emit highlighted(mSelectedColour);
}
/******************************************************************************
* Initialise the items in the combo box to one for each colour in the list.
*/
void ColourCombo::addColours()
{
clear();
for (ColourList::const_iterator it = mColourList.begin(); ; ++it)
{
if (it == mColourList.end())
{
mCustomColour = mSelectedColour;
break;
}
if (mSelectedColour == *it)
break;
}
TQRect rect;
drawCustomItem(rect, true);
TQPainter painter;
TQPixmap pixmap(rect.width(), rect.height());
int i = 1;
for (ColourList::const_iterator it = mColourList.begin(); it != mColourList.end(); ++i, ++it)
{
painter.begin(&pixmap);
TQBrush brush(*it);
painter.fillRect(rect, brush);
painter.end();
insertItem(pixmap);
pixmap.detach();
if (*it == mSelectedColour.rgb())
setCurrentItem(i);
}
}
void ColourCombo::drawCustomItem(TQRect& rect, bool insert)
{
TQPen pen;
if (tqGray(mCustomColour.rgb()) < 128)
pen.setColor(TQt::white);
else
pen.setColor(TQt::black);
TQPainter painter;
TQFontMetrics fm = TQFontMetrics(painter.font());
rect.setRect(0, 0, width(), fm.height() + 4);
TQPixmap pixmap(rect.width(), rect.height());
painter.begin(&pixmap);
TQBrush brush(mCustomColour);
painter.fillRect(rect, brush);
painter.setPen(pen);
painter.drawText(2, fm.ascent() + 2, i18n("Custom..."));
painter.end();
if (insert)
insertItem(pixmap);
else
changeItem(pixmap, 0);
pixmap.detach();
}
void ColourCombo::setReadOnly(bool ro)
{
mReadOnly = ro;
}
void ColourCombo::resizeEvent(TQResizeEvent* re)
{
TQComboBox::resizeEvent(re);
addColours();
}
void ColourCombo::mousePressEvent(TQMouseEvent* e)
{
if (mReadOnly)
{
// Swallow up the event if it's the left button
if (e->button() == TQt::LeftButton)
return;
}
TQComboBox::mousePressEvent(e);
}
void ColourCombo::mouseReleaseEvent(TQMouseEvent* e)
{
if (!mReadOnly)
TQComboBox::mouseReleaseEvent(e);
}
void ColourCombo::mouseMoveEvent(TQMouseEvent* e)
{
if (!mReadOnly)
TQComboBox::mouseMoveEvent(e);
}
void ColourCombo::keyPressEvent(TQKeyEvent* e)
{
if (!mReadOnly || e->key() == TQt::Key_Escape)
TQComboBox::keyPressEvent(e);
}
void ColourCombo::keyReleaseEvent(TQKeyEvent* e)
{
if (!mReadOnly)
TQComboBox::keyReleaseEvent(e);
}
|
