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LibGUI: Add a GFrame class that can be inherited by framey widgets.

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This will gather the code for painting sunken/raised frames etc in a single
place and make it easier add a bit of pleasant shading to UI's. :^)
This commit is contained in:
Andreas Kling 2019-03-28 15:30:29 +01:00
parent b6c5bd3d28
commit cb296ffede
7 changed files with 110 additions and 12 deletions
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43
LibGUI/GFrame.cpp Normal file
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#include <LibGUI/GFrame.h>
#include <LibGUI/GStyle.h>
#include <SharedGraphics/Painter.h>
GFrame::GFrame(GWidget* parent)
: GWidget(parent)
{
}
GFrame::~GFrame()
{
}
void GFrame::paint_event(GPaintEvent& event)
{
if (m_shape == Shape::NoFrame)
return;
Painter painter(*this);
painter.set_clip_rect(event.rect());
auto rect = this->rect();
Color top_left_color;
Color bottom_right_color;
if (m_shadow == Shadow::Raised) {
top_left_color = Color::White;
bottom_right_color = Color::MidGray;
} else if (m_shadow == Shadow::Sunken) {
top_left_color = Color::MidGray;
bottom_right_color = Color::White;
} else if (m_shadow == Shadow::Plain) {
top_left_color = Color::MidGray;
bottom_right_color = Color::MidGray;
}
painter.draw_line(rect.top_left(), rect.top_right(), top_left_color);
painter.draw_line(rect.bottom_left(), rect.bottom_right(), bottom_right_color);
painter.draw_line(rect.top_left().translated(0, 1), rect.bottom_left().translated(0, -1), top_left_color);
painter.draw_line(rect.top_right(), rect.bottom_right().translated(0, -1), bottom_right_color);
}