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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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20
LibGUI/GScrollBar.cpp
View file

@ -1,4 +1,5 @@
#include <LibGUI/GScrollBar.h>
#include <LibGUI/GStyle.h>
#include <SharedGraphics/GraphicsBitmap.h>
#include <SharedGraphics/Painter.h>
@ -71,6 +72,11 @@ int GScrollBar::scrubbable_range_in_pixels() const
return height() - button_size() * 3;
}
bool GScrollBar::has_scrubber() const
{
return m_max != m_min;
}
Rect GScrollBar::scrubber_rect() const
{
int range_size = m_max - m_min;
@ -122,16 +128,14 @@ void GScrollBar::paint_event(GPaintEvent&)
painter.fill_rect(rect(), Color(164, 164, 164));
painter.draw_rect(up_button_rect(), Color::DarkGray, true);
painter.fill_rect_with_gradient(up_button_rect().shrunken(2, 2), Color::LightGray, Color::White);
GStyle::the().paint_button(painter, up_button_rect(), false);
painter.draw_bitmap(up_button_rect().location().translated(3, 3), *s_up_arrow_bitmap, Color::Black);
painter.draw_rect(down_button_rect(), Color::DarkGray, true);
painter.fill_rect_with_gradient(down_button_rect().shrunken(2, 2), Color::LightGray, Color::White);
GStyle::the().paint_button(painter, down_button_rect(), false);
painter.draw_bitmap(down_button_rect().location().translated(3, 3), *s_down_arrow_bitmap, Color::Black);
painter.draw_rect(scrubber_rect(), Color::White, true);
painter.fill_rect_with_gradient(scrubber_rect().shrunken(2, 2), Color::LightGray, Color::White);
if (has_scrubber())
GStyle::the().paint_button(painter, scrubber_rect(), m_scrubbing);
}
void GScrollBar::mousedown_event(GMouseEvent& event)
@ -154,11 +158,12 @@ void GScrollBar::mousedown_event(GMouseEvent& event)
set_value(value() + m_big_step);
return;
}
if (scrubber_rect().contains(event.position())) {
if (has_scrubber() && scrubber_rect().contains(event.position())) {
m_scrubbing = true;
m_scrub_start_value = value();
m_scrub_origin = event.position();
set_global_cursor_tracking(true);
update();
return;
}
}
@ -171,6 +176,7 @@ void GScrollBar::mouseup_event(GMouseEvent& event)
return;
m_scrubbing = false;
set_global_cursor_tracking(false);
update();
}
void GScrollBar::mousemove_event(GMouseEvent& event)