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
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/***************************************************************************
gradientselection.cpp - description
-------------------
begin : Wed Jul 12 2000
copyright : (C) 2000 by Artur Rataj
email : art@zeus.polsl.gliwice.pl
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <tqlayout.h>
#include <tqframe.h>
#include <tqradiobutton.h>
#include <tqcolor.h>
#include <tdelocale.h>
#include "main.h"
#include "gradientselection.h"
GradientSelection::GradientSelection(TQWidget *parent, const char *name ) : TQWidget(parent,name) {
TQGridLayout* topLayout = new TQGridLayout(this, 2, 2, 0);
TQHBoxLayout* layout = new TQHBoxLayout(0);
layout->setMargin(3);
xyColorSelector = new KXYColorSelector(this);
connect(xyColorSelector, TQT_SIGNAL( valueChanged(int, int) ),
TQT_SLOT( slotXyColorSelectorPosChanged(int, int) ));
layout->addWidget(xyColorSelector);
topLayout->addLayout(layout, 0, 0);
topLayout->setRowStretch(0, 10);
topLayout->setRowStretch(1, 0);
TQVBoxLayout* xyColorSelectorLayout = new TQVBoxLayout();
TQHBoxLayout* checkBoxLayout = new TQHBoxLayout();
checkBoxLayout->setMargin(0);
variableCheckBox = new TQCheckBox(i18n( "Variable" ), this);
variableGlobalComponent = false;
connect(variableCheckBox, TQT_SIGNAL( toggled(bool) ), TQT_SLOT( slotSetVariableGlobalComponent(bool) ));
checkBoxLayout->addSpacing(2);
checkBoxLayout->addWidget(variableCheckBox);
xyColorSelectorLayout->addLayout(checkBoxLayout);
xyColorSelectorLayout->addStretch(10);
TQHBoxLayout* buttonsLayout = new TQHBoxLayout();
synchronizeColorButton = new TQPushButton(i18n( "Synchronize" ), this);
connect(synchronizeColorButton, TQT_SIGNAL( clicked() ), TQT_SLOT( slotSynchronizeColor() ));
buttonsLayout->addSpacing(2);
buttonsLayout->addWidget(synchronizeColorButton);
buttonsLayout->addStretch(10);
xyColorSelectorLayout->addLayout(buttonsLayout);
xyColorSelectorLayout->addSpacing(2);
topLayout->addLayout(xyColorSelectorLayout, 1, 0);
zColorSelector = new KZColorSelector(TQt::Vertical, this);
connect(zColorSelector, TQT_SIGNAL( valueChanged(int) ),
TQT_SLOT( slotZColorSelectorPosChanged(int) ));
zColorSelector->setFixedWidth(36);
topLayout->addWidget(zColorSelector, 0, 1);
TQVBoxLayout* zColorSelectorLayout = new TQVBoxLayout(0);
connect(&hsvButtons, TQT_SIGNAL( clicked(int) ), TQT_SLOT( slotSetColorSelectionMode(int) ));
TQRadioButton* hRadioButton = new TQRadioButton("H", this);
hsvButtons.insert(hRadioButton, H_COMPONENT);
zColorSelectorLayout->addWidget(hRadioButton);
TQRadioButton* sRadioButton = new TQRadioButton("S", this);
hsvButtons.insert(sRadioButton, S_COMPONENT);
zColorSelectorLayout->addWidget(sRadioButton);
TQRadioButton* vRadioButton = new TQRadioButton("V", this);
hsvButtons.insert(vRadioButton, V_COMPONENT);
vRadioButton->toggle();
zColorSelectorLayout->addWidget(vRadioButton);
topLayout->addLayout(zColorSelectorLayout, 1, 1);
color.setComponents(RGB_MAX_COMPONENT_VALUE, RGB_MAX_COMPONENT_VALUE, RGB_MAX_COMPONENT_VALUE);
hComponent = -1;
sComponent = 0;
vComponent = HSV_MAX_V_VALUE;
slotIgnoreSetValue(false);
slotSetColorSelectionMode(V_COMPONENT);
}
GradientSelection::~GradientSelection(){
}
void GradientSelection::slotSetValue(Color* color) {
if(!ignoreSetValue && !color->equals( this->color )) {
this->color = *color;
int newHComponent;
int newSComponent;
int newVComponent;
TQColor hsvColor(this->color.component(Color::RED_INDEX),
this->color.component(Color::GREEN_INDEX),
this->color.component(Color::BLUE_INDEX));
hsvColor.hsv(&newHComponent, &newSComponent, &newVComponent);
hComponent = newHComponent;
sComponent = newSComponent;
vComponent = newVComponent;
updateXyColorSelector(false);
updateZColorSelector();
}
}
void GradientSelection::slotIgnoreSetValue(bool ignore) {
ignoreSetValue = ignore;
}
void GradientSelection::updateXyColorSelector(const bool modeChanged) {
int xPos;
int yPos;
int component;
switch(zColorSelectorComponentIndex) {
case H_COMPONENT:
xPos = (int)(vComponent*( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 )/
HSV_MAX_V_VALUE + 0.5);
yPos = (int)(sComponent*( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 )/
HSV_MAX_S_VALUE + 0.5);
component = hComponent;
break;
case S_COMPONENT:
xPos = (int)(hComponent*( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 )/
HSV_MAX_H_VALUE + 0.5);
yPos = (int)(vComponent*( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 )/
HSV_MAX_V_VALUE + 0.5);
if(variableGlobalComponent)
component = sComponent;
else
component = 240;
break;
case V_COMPONENT:
xPos = (int)(hComponent*( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 )/
HSV_MAX_H_VALUE + 0.5);
yPos = (int)(sComponent*( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 )/
HSV_MAX_S_VALUE + 0.5);
if(variableGlobalComponent)
component = vComponent;
else
component = 192;
break;
default:
xPos = 0;
yPos = 0;
component = 0;
break;
}
if(xPos < 0)
xPos = 0;
if(yPos < 0)
yPos = 0;
if(modeChanged || xyColorSelector->globalComponent() != component) {
xyColorSelector->setGlobalComponent(component);
xyColorSelector->updateContents();
}
xyColorSelector->setValues(xPos, yPos);
}
void GradientSelection::updateZColorSelector() {
zColorSelector->setBaseColorHsv(hComponent, sComponent, vComponent);
zColorSelector->updatePointerPos();
zColorSelector->updateContents();
}
void GradientSelection::slotSetColorSelectionMode(int mode) {
zColorSelectorComponentIndex = mode;
xyColorSelector->setType(zColorSelectorComponentIndex);
updateXyColorSelector(true);
switch(zColorSelectorComponentIndex) {
case H_COMPONENT:
zColorSelector->setType(KZColorSelector::TYPE_H);
variableCheckBox->setEnabled(false);
break;
case S_COMPONENT:
zColorSelector->setType(KZColorSelector::TYPE_S);
variableCheckBox->setEnabled(true);
break;
case V_COMPONENT:
zColorSelector->setType(KZColorSelector::TYPE_V);
variableCheckBox->setEnabled(true);
break;
}
updateZColorSelector();
}
void GradientSelection::slotSetVariableGlobalComponent(bool variable) {
variableGlobalComponent = variable;
updateXyColorSelector(false);
}
void GradientSelection::slotXyColorSelectorPosChanged(int x, int y) {
switch(zColorSelectorComponentIndex) {
case H_COMPONENT:
vComponent = (int)(x*1.0*HSV_MAX_V_VALUE/( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 ) + 0.5);
sComponent = (int)(y*1.0*HSV_MAX_S_VALUE/( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 ) + 0.5);
break;
case S_COMPONENT:
hComponent = (int)(x*1.0*HSV_MAX_H_VALUE/( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 ) + 0.5);
vComponent = (int)(y*1.0*HSV_MAX_V_VALUE/( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 ) + 0.5);
break;
case V_COMPONENT:
hComponent = (int)(x*1.0*HSV_MAX_H_VALUE/( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 ) + 0.5);
sComponent = (int)(y*1.0*HSV_MAX_S_VALUE/( KXYColorSelector::COMPONENT_SELECTION_RESOLUTION - 1 ) + 0.5);
break;
}
TQColor rgbColor;
rgbColor.setHsv(hComponent, sComponent, vComponent);
color.setComponents(rgbColor.red(), rgbColor.green(), rgbColor.blue());
updateZColorSelector();
emit valueChanged(&color);
}
void GradientSelection::slotZColorSelectorPosChanged(int y) {
bool repaintZColorSelector = false;
switch(zColorSelectorComponentIndex) {
case H_COMPONENT:
hComponent = y;
break;
case S_COMPONENT:
sComponent = y;
break;
case V_COMPONENT:
vComponent = y;
break;
}
TQColor rgbColor;
rgbColor.setHsv(hComponent, sComponent, vComponent);
color.setComponents(rgbColor.red(), rgbColor.green(), rgbColor.blue());
updateXyColorSelector(false);
if(repaintZColorSelector)
updateZColorSelector();
emit valueChanged(&color);
}
void GradientSelection::slotSynchronizeColor() {
emit synchronizeColor();
}
void GradientSelection::enableSynchronizeColorButton(bool enable) {
synchronizeColorButton->setEnabled(enable);
}
#include "gradientselection.moc"
|
