summaryrefslogtreecommitdiffstats
path: root/kcalc/kcalc_button.cpp
blob: 277e5bd95355af5268d849a47c7e3007fcb894c3 (plain)
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
/*
    kCalculator, a simple scientific calculator for KDE

    Copyright (C) 1996-2000 Bernd Johannes Wuebben
                            wuebben@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 <tqsimplerichtext.h>
#include <tqtooltip.h>
#include <tqpainter.h>


#include "tqdom.h"

#include "kcalc_button.h"


KCalcButton::KCalcButton(TQWidget * parent, const char * name)
  : KPushButton(parent, name), _show_accel_mode(false),
    _mode_flags(ModeNormal)
{
  setAutoDefault(false);
}

KCalcButton::KCalcButton(const TQString &label, TQWidget * parent,
			 const char * name, const TQString &tooltip)
  : KPushButton(label, parent, name), _show_accel_mode(false), _mode_flags(ModeNormal)
{
  setAutoDefault(false);
  addMode(ModeNormal, label, tooltip);
}

void KCalcButton::addMode(ButtonModeFlags mode, TQString label, TQString tooltip, bool is_label_richtext)
{
  if (_mode.contains(mode)) _mode.remove(mode);

  _mode[mode] = ButtonMode(label, tooltip, is_label_richtext);

  // Need to put each button into default mode first
  if(mode == ModeNormal) slotSetMode(ModeNormal, true);
}

void KCalcButton::slotSetMode(ButtonModeFlags mode, bool flag)
{
  ButtonModeFlags new_mode;

  if (flag) { // if the specified mode is to be set (i.e. flag = true)
  	new_mode = ButtonModeFlags(_mode_flags | mode);
  } else if (_mode_flags && mode) { // if the specified mode is to be cleared (i.e. flag = false)
  	new_mode = ButtonModeFlags(_mode_flags - mode);
  } else {
  	return; // nothing to do
  }

  if (_mode.contains(new_mode)) {
    // save accel, because setting label erases accel
    TQKeySequence _accel = accel();

    if(_mode[new_mode].is_label_richtext)
      _label = _mode[new_mode].label;
    else
      setText(_mode[new_mode].label);
	TQToolTip::remove(this);
    TQToolTip::add(this, _mode[new_mode].tooltip);
    _mode_flags = new_mode;

    // restore accel
    setAccel(_accel);
  }

  // this is necessary for people pressing CTRL and changing mode at
  // the same time...
  if (_show_accel_mode) slotSetAccelDisplayMode(true);
  
  update();
}

static TQString escape(TQString str)
{
  str.replace('&', "&&");
  return str;
}


void KCalcButton::slotSetAccelDisplayMode(bool flag)
{
  _show_accel_mode = flag;

  // save accel, because setting label erases accel
  TQKeySequence _accel = accel();
  
  if (flag == true) {
    setText(escape(TQString(accel())));
  } else {
    setText(_mode[_mode_flags].label);
  }

  // restore accel
  setAccel(_accel);
}

void KCalcButton::paintLabel(TQPainter *paint)
{
  if (_mode[_mode_flags].is_label_richtext) {
    TQSimpleRichText _text(_label, font());
    _text.draw(paint, width()/2-_text.width()/2, 0, tqchildrenRegion(), tqcolorGroup());
  } else {
    KPushButton::drawButtonLabel(paint);
  }
}

void KCalcButton::drawButtonLabel(TQPainter *paint)
{
  if (_show_accel_mode) {
    KPushButton::drawButtonLabel(paint);
  } else if (_mode.contains(_mode_flags)) {
    paintLabel(paint);
  }
}


void KSquareButton::paintLabel(TQPainter *paint)
{
  int w = width();
  int w2 = w/2 - 13;
  int h = height();
  int h2 = h/2 - 7;
  // in some KDE-styles (.NET, Phase,...) we have to set the painter back to the right color
  paint->setPen(foregroundColor());
  // these statements are for the improved
  // representation of the sqrt function
  paint->drawLine(w2, 11 + h2, w2 + 2, 7 + h2);
  paint->drawLine(w2 + 2, 7 + h2, w2 + 4, 14 + h2);
  paint->drawLine(w2 + 4, 14 + h2, w2 + 6, 1 + h2);
  paint->drawLine(w2 + 6, 1 + h2, w2 + 27, 1 + h2);
  paint->drawLine(w2 + 27, 1 + h2, w2 + 27, 4 + h2);
  // add a three for the cube root
  if (_mode_flags & ModeInverse) {
    paint->drawText(w2-2, 9 + h2, TQString("�"));
  }
}

void KSquareButton::drawButtonLabel(TQPainter *paint)
{
  if (_show_accel_mode) {
    KPushButton::drawButtonLabel(paint);
  } else if (_mode.contains(_mode_flags)) {
    paintLabel(paint);
  }
}

#include "kcalc_button.moc"