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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: 8 нояб. 2022 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_CONTAINERS_TABCONTROL_H_
#define LSP_PLUG_IN_TK_WIDGETS_CONTAINERS_TABCONTROL_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
namespace lsp
{
namespace tk
{
// Style definition
namespace style
{
LSP_TK_STYLE_DEF_BEGIN(TabControl, WidgetContainer)
prop::Color sBorderColor;
prop::Color sHeadingColor;
prop::Color sHeadingSpacingColor;
prop::Color sHeadingGapColor;
prop::Integer sBorderSize;
prop::Integer sBorderRadius;
prop::Integer sTabSpacing;
prop::Integer sHeadingSpacing;
prop::Integer sHeadingGap;
prop::Float sHeadingGapBrightness;
prop::Embedding sEmbedding;
prop::Layout sHeading;
prop::SizeConstraints sSizeConstraints;
prop::Boolean sTabJoint;
prop::Boolean sHeadingFill;
prop::Boolean sHeadingSpacingFill;
prop::Boolean sAggregateSize;
prop::Pointer sTabPointer; // Tab pointer
LSP_TK_STYLE_DEF_END
} /* namespae style */
/**
* Tab control, implements a single widget container that aligns the child widget
* according to the layout settings. The container ignores allocation() property
* of the child widget.
*/
class TabControl: public WidgetContainer
{
public:
static const w_class_t metadata;
protected:
typedef struct tab_t
{
ws::rectangle_t bounds; // Bounding box area
ws::rectangle_t text; // Text area
tk::Tab *widget;
size_t border; // Border size
} tab_t;
protected:
lltl::darray<tab_t> vVisible; // List of visible tab headings
ws::rectangle_t sArea; // Internal area for drawing the widget
ws::rectangle_t sBounds; // External area for drawing widget
ws::rectangle_t sTabArea; // Location of tab area
ws::rectangle_t sHead[2]; // Heading rectangles
ws::rectangle_t sHeadSpacing; // Heading spacing
ws::rectangle_t sHeadGap; // Heading gap
ssize_t nTabShift; // Tab shift
size_t nMBState; // Mouse button state
tk::Tab *pEventTab; // Current event tab
prop::Color sBorderColor;
prop::Color sHeadingColor;
prop::Color sHeadingSpacingColor;
prop::Color sHeadingGapColor;
prop::Integer sBorderSize;
prop::Integer sBorderRadius;
prop::Integer sTabSpacing;
prop::Integer sHeadingSpacing;
prop::Integer sHeadingGap;
prop::Float sHeadingGapBrightness;
prop::Embedding sEmbedding;
prop::Layout sHeading;
prop::SizeConstraints sSizeConstraints;
prop::Boolean sTabJoint;
prop::Boolean sHeadingFill;
prop::Boolean sHeadingSpacingFill;
prop::Boolean sAggregateSize;
prop::Pointer sTabPointer; // Tab pointer
prop::WidgetList<Tab> vWidgets;
prop::WidgetPtr<Tab> sSelected;
prop::CollectionListener sIListener;
protected:
void allocate_tabs(size_t *max_tab_border, ws::rectangle_t *area, lltl::darray<tab_t> *tabs);
tk::Tab *current_tab();
bool scroll_item(ssize_t increment);
tk::Tab *find_tab(ssize_t x, ssize_t y);
void draw_tab(ws::ISurface *s, const tab_t *tab, bool selected, bool hover, const ws::rectangle_t *area);
void draw_tab_text(ws::ISurface *s, const tab_t *tab, bool selected, bool hover, const ws::rectangle_t *area);
void do_destroy();
protected:
static void on_add_widget(void *obj, Property *prop, void *w);
static void on_remove_widget(void *obj, Property *prop, void *w);
static status_t slot_on_change(Widget *sender, void *ptr, void *data);
static status_t slot_on_submit(Widget *sender, void *ptr, void *data);
protected:
virtual void property_changed(Property *prop) override;
virtual void size_request(ws::size_limit_t *r) override;
virtual void realize(const ws::rectangle_t *r) override;
public:
explicit TabControl(Display *dpy);
TabControl(const TabControl &) = delete;
TabControl(TabControl &&) = delete;
virtual ~TabControl() override;
TabControl & operator = (const TabControl &) = delete;
TabControl & operator = (TabControl &&) = delete;
virtual status_t init() override;
virtual void destroy() override;
public:
LSP_TK_PROPERTY(Color, border_color, &sBorderColor)
LSP_TK_PROPERTY(Color, heading_color, &sHeadingColor)
LSP_TK_PROPERTY(Color, heading_spacing_color, &sHeadingSpacingColor)
LSP_TK_PROPERTY(Color, heading_gap_color, &sHeadingGapColor)
LSP_TK_PROPERTY(Integer, border_size, &sBorderSize)
LSP_TK_PROPERTY(Integer, border_radius, &sBorderRadius)
LSP_TK_PROPERTY(Integer, tab_spacing, &sTabSpacing)
LSP_TK_PROPERTY(Integer, heading_spacing, &sHeadingSpacing)
LSP_TK_PROPERTY(Integer, heading_gap, &sHeadingGap)
LSP_TK_PROPERTY(Float, heading_gap_brightness, &sHeadingGapBrightness)
LSP_TK_PROPERTY(Embedding, embedding, &sEmbedding)
LSP_TK_PROPERTY(Layout, heading, &sHeading)
LSP_TK_PROPERTY(SizeConstraints, constraints, &sSizeConstraints)
LSP_TK_PROPERTY(Boolean, tab_joint, &sTabJoint)
LSP_TK_PROPERTY(Boolean, heading_fill, &sHeadingFill)
LSP_TK_PROPERTY(Boolean, heading_spacing_fill, &sHeadingSpacingFill)
LSP_TK_PROPERTY(Pointer, mouse_pointer, &sTabPointer)
LSP_TK_PROPERTY(WidgetPtr<Tab>, selected, &sSelected)
LSP_TK_PROPERTY(WidgetList<Tab>, widgets, &vWidgets)
public:
virtual Widget *find_widget(ssize_t x, ssize_t y) override;
virtual void render(ws::ISurface *s, const ws::rectangle_t *area, bool force) override;
virtual status_t add(Widget *child) override;
virtual status_t remove(Widget *child) override;
virtual status_t remove_all() override;
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_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_out(const ws::event_t *e) override;
virtual status_t on_key_down(const ws::event_t *e) override;
virtual status_t on_mouse_pointer(pointer_event_t *e) override;
public:
virtual status_t on_change();
virtual status_t on_submit();
};
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_WIDGETS_CONTAINERS_TABCONTROL_H_ */
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