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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: 6 июл. 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_SIMPLE_LABEL_H_
#define LSP_PLUG_IN_TK_WIDGETS_SIMPLE_LABEL_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(Label, Widget)
prop::TextLayout sTextLayout; // Text layout
prop::TextAdjust sTextAdjust; // Text adjustment
prop::Font sFont; // Font parameters
prop::Color sColor; // Font color
prop::Color sHoverColor; // Hover color
prop::Boolean sHover; // Hover enable
prop::String sText; // Text to display
prop::SizeConstraints sConstraints; // Size constraints
prop::Padding sIPadding; // Internal padding
LSP_TK_STYLE_DEF_END
}
class Label: public Widget
{
public:
static const w_class_t metadata;
private:
friend class MultiLabel;
protected:
enum state_t
{
F_MOUSE_IN = 1 << 0,
F_MOUSE_DOWN = 1 << 1,
F_MOUSE_IGN = 1 << 2,
};
typedef struct estimation_t
{
float scaling;
float fscaling;
ws::size_limit_t *r;
ws::font_parameters_t fp;
ws::text_parameters_t tp;
} estimation_t;
protected:
size_t nMFlags;
size_t nState;
prop::TextLayout sTextLayout; // Text layout
prop::TextAdjust sTextAdjust; // Text adjustment
prop::Font sFont; // Font parameters
prop::Color sColor; // Font color
prop::Color sHoverColor; // Hover color
prop::Boolean sHover; // Hover enable
prop::String sText; // Text to display
prop::SizeConstraints sConstraints; // Size constraints
prop::Padding sIPadding; // Internal padding
prop::WidgetPtr<Menu> sPopup; // Popup menu
lltl::parray<prop::String> vEstimations; // Estimation string
protected:
static status_t slot_on_submit(Widget *sender, void *ptr, void *data);
static status_t slot_on_before_popup(Widget *sender, void *ptr, void *data);
static status_t slot_on_popup(Widget *sender, void *ptr, void *data);
protected:
void estimate_string_size(estimation_t *e, tk::String *s);
void estimate_string_size(estimation_t *e, const LSPString *s);
static bool contains_digit(const LSPString *s);
static void set_all_digits(LSPString *s, lsp_wchar_t new_ch);
virtual void size_request(ws::size_limit_t *r) override;
virtual void property_changed(Property *prop) override;
public:
explicit Label(Display *dpy);
Label(const Label &) = delete;
Label(Label &&) = delete;
virtual ~Label() override;
Label & operator = (const Label &) = delete;
Label & operator = (Label &&) = delete;
virtual status_t init() override;
public:
LSP_TK_PROPERTY(TextLayout, text_layout, &sTextLayout)
LSP_TK_PROPERTY(TextAdjust, text_adjust, &sTextAdjust)
LSP_TK_PROPERTY(Font, font, &sFont)
LSP_TK_PROPERTY(Color, color, &sColor)
LSP_TK_PROPERTY(Color, hover_color, &sHoverColor)
LSP_TK_PROPERTY(Boolean, hover, &sHover)
LSP_TK_PROPERTY(String, text, &sText)
LSP_TK_PROPERTY(SizeConstraints, constraints, &sConstraints)
LSP_TK_PROPERTY(Padding, ipadding, &sIPadding)
LSP_TK_PROPERTY(WidgetPtr<Menu>, popup, &sPopup)
public:
void clear_text_estimations();
tk::String *add_text_estimation();
public:
virtual void draw(ws::ISurface *s) override;
virtual status_t on_mouse_in(const ws::event_t *e) override;
virtual status_t on_mouse_out(const ws::event_t *e) override;
virtual status_t on_mouse_move(const ws::event_t *e) 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;
public:
virtual status_t on_before_popup(Menu *menu);
virtual status_t on_popup(Menu *menu);
virtual status_t on_submit();
};
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_WIDGETS_SIMPLE_LABEL_H_ */
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