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LibGUI: Share code for widget rendering styles in a GStyle class.

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Since GScrollBar wants its internal buttons to look like GButtons,
let's share the painting code between them.
This commit is contained in:
Andreas Kling 2019-02-10 07:11:01 +01:00
parent 9ea2131adf
commit e354c08c98
9 changed files with 88 additions and 40 deletions
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31
LibGUI/GButton.cpp
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@ -1,5 +1,6 @@
#include "GButton.h"
#include <SharedGraphics/Painter.h>
#include <LibGUI/GStyle.h>
//#define GBUTTON_DEBUG
@ -23,37 +24,9 @@ void GButton::set_caption(String&& caption)
void GButton::paint_event(GPaintEvent&)
{
Color button_color = Color::LightGray;
Color highlight_color = Color::White;
Color shadow_color = Color(96, 96, 96);
Painter painter(*this);
painter.draw_rect(rect(), Color::Black, true);
if (m_being_pressed) {
// Base
painter.fill_rect(rect().shrunken(2, 2), button_color);
// Sunken shadow
painter.draw_line({ 1, 1 }, { width() - 2, 1 }, shadow_color);
painter.draw_line({ 1, 2 }, {1, height() - 2 }, shadow_color);
} else {
// Base
painter.fill_rect({ 3, 3, width() - 5, height() - 5 }, button_color);
painter.fill_rect_with_gradient({ 3, 3, width() - 5, height() - 5 }, button_color, Color::White);
// White highlight
painter.draw_line({ 1, 1 }, { width() - 2, 1 }, highlight_color);
painter.draw_line({ 1, 2 }, { width() - 3, 2 }, highlight_color);
painter.draw_line({ 1, 3 }, { 1, height() - 2 }, highlight_color);
painter.draw_line({ 2, 3 }, { 2, height() - 3 }, highlight_color);
// Gray shadow
painter.draw_line({ width() - 2, 1 }, { width() - 2, height() - 4 }, shadow_color);
painter.draw_line({ width() - 3, 2 }, { width() - 3, height() - 4 }, shadow_color);
painter.draw_line({ 1, height() - 2 }, { width() - 2, height() - 2 }, shadow_color);
painter.draw_line({ 2, height() - 3 }, { width() - 2, height() - 3 }, shadow_color);
}
GStyle::the().paint_button(painter, rect(), m_being_pressed);
if (!caption().is_empty() || m_icon) {
auto content_rect = rect();