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/*
* Copyright (C) 2025 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2025 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-tk-lib
* Created on: 3 авг. 2017 г.
*
* lsp-tk-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-tk-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-tk-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_TK_WIDGETS_SCROLLBAR_H_
#define LSP_PLUG_IN_TK_WIDGETS_SCROLLBAR_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
// Style definition
namespace style
{
typedef struct ScrollBarColors
{
prop::Color sButtonColor;
prop::Color sButtonActiveColor;
prop::Color sIncColor;
prop::Color sIncActiveColor;
prop::Color sDecColor;
prop::Color sDecActiveColor;
prop::Color sBorderColor;
prop::Color sBorderGapColor;
prop::Color sSliderColor;
prop::Color sSliderBorderColor;
prop::Color sSliderActiveColor;
prop::Color sTextColor;
prop::Color sTextActiveColor;
void listener(tk::prop::Listener *listener);
bool property_changed(Property *prop);
} ScrollBarColors;
enum ScrollBarState
{
SCROLLBAR_NORMAL = 0,
SCROLLBAR_INACTIVE = 1 << 0,
SCROLLBAR_TOTAL = 1 << 1
};
LSP_TK_STYLE_DEF_BEGIN(ScrollBar, Widget)
ScrollBarColors vColors[SCROLLBAR_TOTAL];
prop::RangeFloat sValue;
prop::StepFloat sStep;
prop::StepFloat sAccelStep;
prop::SizeConstraints sConstraints;
prop::Orientation sOrientation;
prop::Pointer sSliderPointer;
prop::Pointer sIncPointer;
prop::Pointer sDecPointer;
prop::Integer sBorderRadius;
prop::Integer sBorderSize;
prop::Integer sBorderGap;
prop::Integer sSliderBorderSize;
prop::Boolean sInvertMouseHScroll;
prop::Boolean sInvertMouseVScroll;
prop::Boolean sActive;
LSP_TK_STYLE_DEF_END
}
/**
* Scroll bar implementation
*/
class ScrollBar: public Widget
{
public:
static const w_class_t metadata;
protected:
enum flags_t
{
F_ACTIVITY_BITS = 5,
F_BTN_UP_ACTIVE = 1 << 0,
F_BTN_DOWN_ACTIVE = 1 << 1,
F_SLIDER_ACTIVE = 1 << 2,
F_SPARE_UP_ACTIVE = 1 << 3,
F_SPARE_DOWN_ACTIVE = 1 << 4,
F_TRG_BTN_UP_ACTIVE = F_BTN_UP_ACTIVE << F_ACTIVITY_BITS,
F_TRG_BTN_DOWN_ACTIVE = F_BTN_DOWN_ACTIVE << F_ACTIVITY_BITS,
F_TRG_SLIDER_ACTIVE = F_SLIDER_ACTIVE << F_ACTIVITY_BITS,
F_TRG_SPARE_UP_ACTIVE = F_SPARE_UP_ACTIVE << F_ACTIVITY_BITS,
F_TRG_SPARE_DOWN_ACTIVE = F_SPARE_DOWN_ACTIVE << F_ACTIVITY_BITS,
F_FILL = 1 << (F_ACTIVITY_BITS << 1),
F_OUTSIDE = 1 << ((F_ACTIVITY_BITS << 1) + 1),
F_PRECISION = 1 << ((F_ACTIVITY_BITS << 1) + 2),
F_ACTIVITY_MASK = F_BTN_UP_ACTIVE | F_BTN_DOWN_ACTIVE | F_SLIDER_ACTIVE | F_SPARE_UP_ACTIVE | F_SPARE_DOWN_ACTIVE,
F_TRG_ACTIVITY_MASK = F_ACTIVITY_MASK << F_ACTIVITY_BITS,
F_ALL_ACTIVITY_MASK = F_ACTIVITY_MASK | F_TRG_ACTIVITY_MASK
};
enum scb_flags_t
{
SCB_0 = style::SCROLLBAR_NORMAL,
SCB_1 = style::SCROLLBAR_INACTIVE,
SCB_TOTAL = style::SCROLLBAR_TOTAL
};
protected:
size_t nXFlags;
size_t nButtons;
size_t nKeys;
ssize_t nLastV;
float fLastValue;
float fCurrValue;
ws::rectangle_t sIncButton;
ws::rectangle_t sDecButton;
ws::rectangle_t sSpareSpace;
ws::rectangle_t sSlider;
style::ScrollBarColors vColors[style::SCROLLBAR_TOTAL];
prop::RangeFloat sValue;
prop::StepFloat sStep;
prop::StepFloat sAccelStep;
prop::SizeConstraints sConstraints;
prop::Orientation sOrientation;
prop::Pointer sSliderPointer;
prop::Pointer sIncPointer;
prop::Pointer sDecPointer;
prop::Integer sBorderRadius;
prop::Integer sBorderSize;
prop::Integer sBorderGap;
prop::Integer sSliderBorderSize;
prop::Boolean sInvertMouseHScroll;
prop::Boolean sInvertMouseVScroll;
prop::Boolean sActive;
Timer sTimer;
protected:
size_t check_mouse_over(ssize_t x, ssize_t y);
void do_destroy();
void update_by_timer();
void update_slider();
void launch_timer();
void cancel_timer();
style::ScrollBarColors *select_colors();
protected:
static status_t slot_on_change(Widget *sender, void *ptr, void *data);
static status_t slot_begin_edit(Widget *sender, void *ptr, void *data);
static status_t slot_end_edit(Widget *sender, void *ptr, void *data);
static status_t timer_handler(ws::timestamp_t sched, ws::timestamp_t time, void *arg);
protected:
virtual void size_request(ws::size_limit_t *r) override;
virtual void property_changed(Property *prop) override;
virtual void realize(const ws::rectangle_t *r) override;
public:
explicit ScrollBar(Display *dpy);
ScrollBar(const ScrollBar &) = delete;
ScrollBar(ScrollBar &&) = delete;
virtual ~ScrollBar() override;
ScrollBar & operator = (const ScrollBar &) = delete;
ScrollBar & operator = (ScrollBar &&) = delete;
virtual status_t init() override;
virtual void destroy() override;
public:
LSP_TK_PROPERTY(Color, button_color, &vColors[SCB_0].sButtonColor)
LSP_TK_PROPERTY(Color, button_active_color, &vColors[SCB_0].sButtonActiveColor)
LSP_TK_PROPERTY(Color, inc_color, &vColors[SCB_0].sIncColor)
LSP_TK_PROPERTY(Color, inc_active_color, &vColors[SCB_0].sIncActiveColor)
LSP_TK_PROPERTY(Color, dec_color, &vColors[SCB_0].sDecColor)
LSP_TK_PROPERTY(Color, dec_active_color, &vColors[SCB_0].sDecActiveColor)
LSP_TK_PROPERTY(Color, slider_color, &vColors[SCB_0].sSliderColor)
LSP_TK_PROPERTY(Color, slider_border_color, &vColors[SCB_0].sSliderBorderColor)
LSP_TK_PROPERTY(Color, slider_active_color, &vColors[SCB_0].sSliderActiveColor)
LSP_TK_PROPERTY(Color, border_color, &vColors[SCB_0].sBorderColor)
LSP_TK_PROPERTY(Color, border_gap_color, &vColors[SCB_0].sBorderGapColor)
LSP_TK_PROPERTY(Color, text_color, &vColors[SCB_0].sTextColor)
LSP_TK_PROPERTY(Color, text_active_color, &vColors[SCB_0].sTextActiveColor)
LSP_TK_PROPERTY(Color, inactive_button_color, &vColors[SCB_1].sButtonColor)
LSP_TK_PROPERTY(Color, inactive_button_active_color, &vColors[SCB_1].sButtonActiveColor)
LSP_TK_PROPERTY(Color, inactive_inc_color, &vColors[SCB_1].sIncColor)
LSP_TK_PROPERTY(Color, inactive_inc_active_color, &vColors[SCB_1].sIncActiveColor)
LSP_TK_PROPERTY(Color, inactive_dec_color, &vColors[SCB_1].sDecColor)
LSP_TK_PROPERTY(Color, inactive_dec_active_color, &vColors[SCB_1].sDecActiveColor)
LSP_TK_PROPERTY(Color, inactive_slider_color, &vColors[SCB_1].sSliderColor)
LSP_TK_PROPERTY(Color, inactive_slider_border_color, &vColors[SCB_1].sSliderBorderColor)
LSP_TK_PROPERTY(Color, inactive_slider_active_color, &vColors[SCB_1].sSliderActiveColor)
LSP_TK_PROPERTY(Color, inactive_border_color, &vColors[SCB_1].sBorderColor)
LSP_TK_PROPERTY(Color, inactive_border_gap_color, &vColors[SCB_1].sBorderGapColor)
LSP_TK_PROPERTY(Color, inactive_text_color, &vColors[SCB_1].sTextColor)
LSP_TK_PROPERTY(Color, inactive_text_active_color, &vColors[SCB_1].sTextActiveColor)
LSP_TK_PROPERTY(RangeFloat, value, &sValue)
LSP_TK_PROPERTY(StepFloat, step, &sStep)
LSP_TK_PROPERTY(StepFloat, accel_step, &sAccelStep)
LSP_TK_PROPERTY(SizeConstraints, constraints, &sConstraints)
LSP_TK_PROPERTY(Orientation, orientation, &sOrientation)
LSP_TK_PROPERTY(Pointer, slider_pointer, &sSliderPointer)
LSP_TK_PROPERTY(Pointer, inc_pointer, &sIncPointer)
LSP_TK_PROPERTY(Pointer, dec_pointer, &sDecPointer)
LSP_TK_PROPERTY(Integer, border_radius, &sBorderRadius)
LSP_TK_PROPERTY(Integer, border_size, &sBorderSize)
LSP_TK_PROPERTY(Integer, border_gap_size, &sBorderGap)
LSP_TK_PROPERTY(Integer, slider_border_size, &sSliderBorderSize)
LSP_TK_PROPERTY(Boolean, invert_mouse_hscroll, &sInvertMouseHScroll)
LSP_TK_PROPERTY(Boolean, invert_mouse_vscroll, &sInvertMouseVScroll)
LSP_TK_PROPERTY(Boolean, active, &sActive)
public:
virtual status_t on_mouse_down(const ws::event_t *e) override;
virtual status_t on_mouse_up(const ws::event_t *e) override;
virtual status_t on_key_down(const ws::event_t *e) override;
virtual status_t on_key_up(const ws::event_t *e) override;
virtual status_t on_mouse_move(const ws::event_t *e) override;
virtual status_t on_mouse_scroll(const ws::event_t *e) override;
virtual status_t on_mouse_pointer(pointer_event_t *e) override;
virtual void draw(ws::ISurface *s) override;
public:
virtual status_t on_begin_edit();
virtual status_t on_change();
virtual status_t on_end_edit();
};
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_WIDGETS_SCROLLBAR_H_ */
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