50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
#include "colorbutton.h"
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#include "project/undo.h"
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#include <QColorDialog>
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ColorButton::ColorButton(QWidget *parent)
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: QPushButton(parent), color(Qt::white) {
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set_button_color();
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connect(this, SIGNAL(clicked(bool)), this, SLOT(open_dialog()));
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}
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QColor ColorButton::get_color() {
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return color;
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}
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void ColorButton::set_color(QColor c) {
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color = c;
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set_button_color();
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}
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void ColorButton::set_button_color() {
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QPalette pal = palette();
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pal.setColor(QPalette::Button, color);
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setPalette(pal);
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emit color_changed();
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}
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void ColorButton::open_dialog() {
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QColor old_color = color;
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QColor new_color = QColorDialog::getColor(color, NULL);
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if (new_color.isValid() && old_color != new_color) {
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ColorCommand* command = new ColorCommand(this, old_color, new_color);
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undo_stack.push(command);
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set_button_color();
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}
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}
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ColorCommand::ColorCommand(ColorButton* s, QColor o, QColor n)
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: sender(s), old_color(o), new_color(n) {}
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void ColorCommand::undo() {
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sender->set_color(old_color);
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}
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void ColorCommand::redo() {
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sender->set_color(new_color);
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}
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