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GSlider: Add support for vertical sliders.

You now have to pass an Orientation to the GSlider constructor. It's not
possible to change the orientation after construction.

Added some vertical GSliders to the WidgetGallery demo for testing. :^)
This commit is contained in:
Andreas Kling 2019-07-20 16:52:39 +02:00
parent 8ab1923abe
commit c59b053ad6
5 changed files with 70 additions and 41 deletions

View file

@ -4,11 +4,16 @@
class GSlider : public GWidget {
public:
enum class KnobSizeMode { Fixed, Proportional };
enum class KnobSizeMode {
Fixed,
Proportional,
};
explicit GSlider(GWidget*);
GSlider(Orientation, GWidget*);
virtual ~GSlider() override;
Orientation orientation() const { return m_orientation; }
int value() const { return m_value; }
int min() const { return m_min; }
int max() const { return m_max; }
@ -22,12 +27,18 @@ public:
void set_knob_size_mode(KnobSizeMode mode) { m_knob_size_mode = mode; }
KnobSizeMode knob_size_mode() const { return m_knob_size_mode; }
int track_height() const { return 2; }
int knob_fixed_width() const { return 8; }
int knob_height() const { return 20; }
int track_size() const { return 2; }
int knob_fixed_primary_size() const { return 8; }
int knob_secondary_size() const { return 20; }
Rect knob_rect() const;
Rect inner_rect() const { return rect().shrunken(20, 0); }
Rect inner_rect() const
{
if (orientation() == Orientation::Horizontal)
return rect().shrunken(20, 0);
return rect().shrunken(0, 20);
}
Function<void(int)> on_value_changed;
@ -45,11 +56,10 @@ private:
int m_value { 0 };
int m_min { 0 };
int m_max { 100 };
bool m_knob_hovered { false };
bool m_dragging { false };
int m_drag_origin_value { 0 };
Point m_drag_origin;
KnobSizeMode m_knob_size_mode { KnobSizeMode::Fixed };
Orientation m_orientation { Orientation::Horizontal };
};