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Move LibGUI/GStyle to SharedGraphics/StylePainter.

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I want to paint some buttons in WindowServer where we don't have LibGUI.
This commit is contained in:
Andreas Kling 2019-03-28 17:32:38 +01:00
parent d12b6b8677
commit c7ab643883
13 changed files with 47 additions and 46 deletions
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106
SharedGraphics/StylePainter.cpp Normal file
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#include <SharedGraphics/StylePainter.h>
#include <LibGUI/GPainter.h>
static StylePainter* s_the;
StylePainter& StylePainter::the()
{
if (!s_the)
s_the = new StylePainter;
return *s_the;
}
StylePainter::StylePainter()
{
}
static void paint_button_new(Painter& painter, const Rect& rect, bool pressed)
{
Color button_color = Color::from_rgb(0xc0c0c0);
Color highlight_color1 = Color::from_rgb(0xffffff);
Color highlight_color2 = Color::from_rgb(0xdfdfdf);
Color shadow_color1 = Color::from_rgb(0x808080);
Color shadow_color2 = Color::from_rgb(0x404040);
PainterStateSaver saver(painter);
painter.translate(rect.location());
if (pressed) {
// Base
painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 2 }, button_color);
painter.draw_rect(rect, shadow_color2);
// Sunken shadow
painter.draw_line({ 1, 1 }, { rect.width() - 2, 1 }, shadow_color1);
painter.draw_line({ 1, 2 }, {1, rect.height() - 2 }, shadow_color1);
} else {
// Base
painter.fill_rect({ 2, 2, rect.width() - 4, rect.height() - 4 }, button_color);
// Outer highlight
painter.draw_line({ 0, 0 }, { rect.width() - 2, 0 }, highlight_color2);
painter.draw_line({ 0, 1 }, { 0, rect.height() - 2 }, highlight_color2);
// Inner highlight
painter.draw_line({ 1, 1 }, { rect.width() - 3, 1 }, highlight_color1);
painter.draw_line({ 1, 2 }, { 1, rect.height() - 3 }, highlight_color1);
// Outer shadow
painter.draw_line({ 0, rect.height() - 1 }, { rect.width() - 1, rect.height() - 1 }, shadow_color2);
painter.draw_line({ rect.width() - 1, 0 }, { rect.width() - 1, rect.height() - 2 }, shadow_color2);
// Inner shadow
painter.draw_line({ 1, rect.height() - 2 }, { rect.width() - 2, rect.height() - 2 }, shadow_color1);
painter.draw_line({ rect.width() - 2, 1 }, { rect.width() - 2, rect.height() - 3 }, shadow_color1);
}
}
void StylePainter::paint_button(Painter& painter, const Rect& rect, ButtonStyle button_style, bool pressed, bool hovered)
{
if (button_style == ButtonStyle::Normal)
return paint_button_new(painter, rect, pressed);
Color button_color = Color::LightGray;
Color highlight_color = Color::White;
Color shadow_color = Color(96, 96, 96);
if (button_style == ButtonStyle::OldNormal)
painter.draw_rect(rect, Color::Black);
PainterStateSaver saver(painter);
painter.translate(rect.location());
if (pressed) {
// Base
painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 2 }, button_color);
// Sunken shadow
painter.draw_line({ 1, 1 }, { rect.width() - 2, 1 }, shadow_color);
painter.draw_line({ 1, 2 }, {1, rect.height() - 2 }, shadow_color);
// Bottom highlight
painter.draw_line({ rect.width() - 2, 1 }, { rect.width() - 2, rect.height() - 3 }, highlight_color);
painter.draw_line({ 1, rect.height() - 2 }, { rect.width() - 2, rect.height() - 2 }, highlight_color);
} else if (button_style == ButtonStyle::OldNormal || (button_style == ButtonStyle::CoolBar && hovered)) {
// Base
painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 2 }, button_color);
// White highlight
painter.draw_line({ 1, 1 }, { rect.width() - 2, 1 }, highlight_color);
painter.draw_line({ 1, 2 }, { 1, rect.height() - 2 }, highlight_color);
// Gray shadow
painter.draw_line({ rect.width() - 2, 1 }, { rect.width() - 2, rect.height() - 3 }, shadow_color);
painter.draw_line({ 1, rect.height() - 2 }, { rect.width() - 2, rect.height() - 2 }, shadow_color);
}
}
void StylePainter::paint_surface(Painter& painter, const Rect& rect)
{
painter.fill_rect({ rect.x(), rect.y() + 1, rect.width(), rect.height() - 2 }, Color::LightGray);
painter.draw_line(rect.top_left(), rect.top_right(), Color::White);
painter.draw_line(rect.bottom_left(), rect.bottom_right(), Color::MidGray);
painter.draw_line(rect.top_left().translated(0, 1), rect.bottom_left().translated(0, -1), Color::White);
painter.draw_line(rect.top_right(), rect.bottom_right().translated(0, -1), Color::MidGray);
}