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d12857fc36
This is done by dispatching a (synchronous) "EnabledChange" event that can be picked up in change_event(). Use this event to kick widgets out of their "being pressed"-type modes if the user is interacting with them while the state is programmatically changed.
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#pragma once
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#include <LibGUI/GWidget.h>
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class GSlider : public GWidget {
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public:
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explicit GSlider(GWidget*);
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virtual ~GSlider() override;
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int value() const { return m_value; }
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int min() const { return m_min; }
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int max() const { return m_max; }
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void set_range(int min, int max);
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void set_value(int);
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void set_min(int min) { set_range(min, max()); }
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void set_max(int max) { set_range(min(), max); }
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int track_height() const { return 2; }
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int knob_width() const { return 8; }
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int knob_height() const { return 20; }
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Rect knob_rect() const;
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Rect inner_rect() const { return rect().shrunken(20, 0); }
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Function<void(int)> on_value_changed;
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protected:
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virtual void paint_event(GPaintEvent&) override;
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virtual void mousedown_event(GMouseEvent&) override;
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virtual void mousemove_event(GMouseEvent&) override;
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virtual void mouseup_event(GMouseEvent&) override;
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virtual void leave_event(CEvent&) override;
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virtual void change_event(GEvent&) override;
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private:
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void set_knob_hovered(bool);
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int m_value { 0 };
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int m_min { 0 };
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int m_max { 100 };
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bool m_knob_hovered { false };
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bool m_dragging { false };
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int m_drag_origin_value { 0 };
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Point m_drag_origin;
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};
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