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Code Issues Activity Actions

Add a CheckBox widget.

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This commit is contained in:
Andreas Kling 2018-10-12 14:15:14 +02:00
parent c7463aad11
commit 16576112b0
13 changed files with 177 additions and 36 deletions
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84
Widgets/CheckBox.cpp Normal file
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@ -0,0 +1,84 @@
#include "CheckBox.h"
#include "Painter.h"
#include "CBitmap.h"
#include <cstdio>
CheckBox::CheckBox(Widget* parent)
: Widget(parent)
{
}
CheckBox::~CheckBox()
{
}
void CheckBox::setCaption(String&& caption)
{
if (caption == m_caption)
return;
m_caption = std::move(caption);
update();
}
void CheckBox::setIsChecked(bool b)
{
if (m_isChecked == b)
return;
m_isChecked = b;
update();
}
static const char* uncheckedBitmap = {
"############"
"# #"
"# #"
"# #"
"# #"
"# #"
"# #"
"# #"
"# #"
"# #"
"# #"
"############"
};
static const char* checkedBitmap = {
"############"
"# #"
"# # # #"
"# # # #"
"# # # #"
"# ## #"
"# ## #"
"# # # #"
"# # # #"
"# # # #"
"# #"
"############"
};
void CheckBox::onPaint(PaintEvent&)
{
Painter painter(*this);
auto bitmap = CBitmap::createFromASCII(isChecked() ? checkedBitmap : uncheckedBitmap, 12, 12);
auto textRect = rect();
textRect.setLeft(bitmap->width() + 4);
textRect.setTop(height() / 2 - bitmap->height() / 2);
painter.fillRect(rect(), backgroundColor());
painter.drawBitmap({ 2, textRect.y() }, *bitmap, Color(0, 0, 0));
if (!caption().isEmpty()) {
painter.drawText(textRect, caption(), Painter::TextAlignment::TopLeft, Color(0, 0, 0));
}
}
void CheckBox::onMouseDown(MouseEvent& event)
{
printf("CheckBox::onMouseDown: x=%d, y=%d, button=%u\n", event.x(), event.y(), (unsigned)event.button());
setIsChecked(!isChecked());
}