reference_guides/v0.1.0/check__box_8h_source.html

#pragma once

#include "appearance.h"

#include "button_base.h"

#include "check_state.h"

#include "visual_styles/check_box_state.h"


namespace xtd {

  namespace forms {

    class forms_export_ check_box : public button_base {

    public:

      check_box();


      virtual forms::appearance appearance() const {return appearance_;}

      virtual check_box& appearance(forms::appearance appearance);


      virtual bool auto_check() const {return auto_check_;}

      virtual check_box& auto_check(bool auto_check);


      virtual content_alignment check_align() const {return check_align_;}

      virtual check_box& check_align(content_alignment check_align);


      virtual bool checked() const {return checked_;}

      virtual check_box& checked(bool checked);


      virtual forms::check_state check_state() const {return check_state_;}

      virtual check_box& check_state(forms::check_state check_state);


      drawing::size default_size() const override {return {104, 25};}


      virtual bool three_state() const {return three_state_;}

      virtual check_box& three_state(bool three_state);


      event<check_box, event_handler> appearance_changed;


      event<check_box, event_handler> checked_changed;


      event<check_box, event_handler> check_state_changed;


    protected:

      forms::create_params create_params() const override;


      drawing::size measure_control() const override;


      virtual void on_appearance_changed(const event_args& e) {

        appearance_changed(*this, e);

        if (flat_style_ != xtd::forms::flat_style::system) invalidate();

      }


      virtual void on_checked_changed(const event_args& e) {

        if (flat_style_ != xtd::forms::flat_style::system && enabled()) {

          if (check_state_ == xtd::forms::check_state::unchecked) state_ = xtd::forms::visual_styles::check_box_state::unchecked_normal;

          else if (check_state_ == xtd::forms::check_state::checked) state_ = xtd::forms::visual_styles::check_box_state::checked_normal;

          else if (check_state_ == xtd::forms::check_state::indeterminate) state_ = xtd::forms::visual_styles::check_box_state::mixed_normal;

        }

        checked_changed(*this, e);

        if (flat_style_ != xtd::forms::flat_style::system) invalidate();

      }


      virtual void on_check_state_changed(const event_args& e) {

        if (flat_style_ != xtd::forms::flat_style::system && enabled()) {

          if (check_state_ == xtd::forms::check_state::unchecked) state_ = xtd::forms::visual_styles::check_box_state::unchecked_normal;

          else if (check_state_ == xtd::forms::check_state::checked) state_ = xtd::forms::visual_styles::check_box_state::checked_normal;

          else if (check_state_ == xtd::forms::check_state::indeterminate) state_ = xtd::forms::visual_styles::check_box_state::mixed_normal;

        }

        check_state_changed(*this, e);

        if (flat_style_ != xtd::forms::flat_style::system) invalidate();

      }


      void on_enabled_changed(const event_args& e) override {

        if (flat_style_ != xtd::forms::flat_style::system) {

          if (check_state_ == xtd::forms::check_state::unchecked) state_ = enabled() ? xtd::forms::visual_styles::check_box_state::unchecked_normal : xtd::forms::visual_styles::check_box_state::unchecked_disabled;

          else if (check_state_ == xtd::forms::check_state::checked) state_ = enabled() ? xtd::forms::visual_styles::check_box_state::checked_normal : xtd::forms::visual_styles::check_box_state::checked_disabled;

          else if (check_state_ == xtd::forms::check_state::indeterminate) state_ = enabled() ? xtd::forms::visual_styles::check_box_state::mixed_normal : xtd::forms::visual_styles::check_box_state::mixed_disabled;

        }

        button_base::on_enabled_changed(e);

      }


      void on_handle_created(const event_args& e) override;


      void on_mouse_down(const mouse_event_args& e) override {

        if (flat_style_ != xtd::forms::flat_style::system && enabled()) {

          if (check_state_ == xtd::forms::check_state::unchecked) state_ = xtd::forms::visual_styles::check_box_state::unchecked_pressed;

          else if (check_state_ == xtd::forms::check_state::checked) state_ = xtd::forms::visual_styles::check_box_state::checked_pressed;

          else if (check_state_ == xtd::forms::check_state::indeterminate) state_ = xtd::forms::visual_styles::check_box_state::mixed_pressed;

        }

        button_base::on_mouse_down(e);

      }


      void on_mouse_enter(const event_args& e) override {

        if (flat_style_ != xtd::forms::flat_style::system && enabled()) {

          if (check_state_ == xtd::forms::check_state::unchecked) state_ =  (mouse_buttons_ & mouse_buttons::left) == mouse_buttons::left ? xtd::forms::visual_styles::check_box_state::unchecked_pressed : xtd::forms::visual_styles::check_box_state::unchecked_hot;

          else if (check_state_ == xtd::forms::check_state::checked) state_ = (mouse_buttons_ & mouse_buttons::left) == mouse_buttons::left ? xtd::forms::visual_styles::check_box_state::checked_pressed : xtd::forms::visual_styles::check_box_state::checked_hot;

          else if (check_state_ == xtd::forms::check_state::indeterminate) state_ = (mouse_buttons_ & mouse_buttons::left) == mouse_buttons::left ? xtd::forms::visual_styles::check_box_state::mixed_pressed : xtd::forms::visual_styles::check_box_state::mixed_hot;

        }

        button_base::on_mouse_enter(e);

      }


      void on_mouse_leave(const event_args& e) override {

        if (flat_style_ != xtd::forms::flat_style::system && enabled()) {

          if (check_state_ == xtd::forms::check_state::unchecked) state_ = xtd::forms::visual_styles::check_box_state::unchecked_normal;

          else if (check_state_ == xtd::forms::check_state::checked) state_ = xtd::forms::visual_styles::check_box_state::checked_normal;

          else if (check_state_ == xtd::forms::check_state::indeterminate) state_ = xtd::forms::visual_styles::check_box_state::mixed_normal;

        }

        button_base::on_mouse_leave(e);

      }


      void on_mouse_up(const mouse_event_args& e) override {

        if (flat_style_ != xtd::forms::flat_style::system && enabled() && (state_ == xtd::forms::visual_styles::check_box_state::unchecked_pressed || state_ == xtd::forms::visual_styles::check_box_state::checked_pressed || state_ == xtd::forms::visual_styles::check_box_state::mixed_pressed)) {

          if (check_state_ == xtd::forms::check_state::unchecked) state_ = xtd::forms::visual_styles::check_box_state::unchecked_hot;

          else if (check_state_ == xtd::forms::check_state::checked) state_ = xtd::forms::visual_styles::check_box_state::checked_hot;

          else if (check_state_ == xtd::forms::check_state::indeterminate) state_ = xtd::forms::visual_styles::check_box_state::mixed_hot;

        }

        button_base::on_mouse_up(e);

      }


      void on_paint(paint_event_args& e) override;


      void wnd_proc(message& message) override;

      virtual void wm_mouse_double_click(message& message);

      virtual void wm_mouse_down(message& message);

      virtual void wm_mouse_up(message& message);


      forms::appearance appearance_ = forms::appearance::normal;

      bool auto_check_ = true;

      bool three_state_ = 0;

      bool checked_ = false;

      content_alignment check_align_ = content_alignment::middle_left;

      forms::check_state check_state_ = forms::check_state::unchecked;

      xtd::forms::visual_styles::check_box_state state_ = xtd::forms::visual_styles::check_box_state::unchecked_normal;

    };

  }

}

appearance.h
Contains xtd::forms::appearance enum class.

button_base.h
Contains xtd::forms::button_base class.

check_box_state.h
Contains xtd::forms::visual_styles::check_box_state enum class.

check_state.h
Contains xtd::forms::check_state enum class.

xtd::drawing::size
Stores an ordered pair of integers, which specify a height and width.
Definition: size.h:25

xtd::event_args
Represents the base class for classes that contain event data, and provides a value to use for events...
Definition: event_args.h:18

xtd::event
Represents an event.
Definition: event.h:21

xtd::forms::button_base
Implements the basic functionality common to button controls.
Definition: button_base.h:26

xtd::forms::check_box
Represents a Windows check_box.
Definition: check_box.h:52

xtd::forms::check_box::on_handle_created
void on_handle_created(const event_args &e) override
Raises the control::handle_created event.

xtd::forms::check_box::on_check_state_changed
virtual void on_check_state_changed(const event_args &e)
Raises the check_box::check_state_changed event.
Definition: check_box.h:195

xtd::forms::check_box::on_mouse_up
void on_mouse_up(const mouse_event_args &e) override
Raises the control::mouse_up event.
Definition: check_box.h:243

xtd::forms::check_box::check_align
virtual content_alignment check_align() const
Gets the horizontal and vertical alignment of the check mark on a check_box control.
Definition: check_box.h:87

xtd::forms::check_box::on_mouse_leave
void on_mouse_leave(const event_args &e) override
Raises the control::mouse_leave event.
Definition: check_box.h:234

xtd::forms::check_box::on_mouse_down
void on_mouse_down(const mouse_event_args &e) override
Raises the control::mouse_down event.
Definition: check_box.h:216

xtd::forms::check_box::auto_check
virtual check_box & auto_check(bool auto_check)
Sets a value indicating whether the checked or check_state values and the check_box's appearance are ...

xtd::forms::check_box::on_appearance_changed
virtual void on_appearance_changed(const event_args &e)
Raises the check_box::appearance_changed event.
Definition: check_box.h:172

xtd::forms::check_box::measure_control
drawing::size measure_control() const override
Measure this control.

xtd::forms::check_box::appearance
virtual forms::appearance appearance() const
Gets the value that determines the appearance of a check_box control.
Definition: check_box.h:67

xtd::forms::check_box::check_state
virtual check_box & check_state(forms::check_state check_state)
Sets the state of the check_box.

xtd::forms::check_box::auto_check
virtual bool auto_check() const
Gets a value indicating whether the checked or check_state values and the check_box's appearance are ...
Definition: check_box.h:79

xtd::forms::check_box::check_align
virtual check_box & check_align(content_alignment check_align)
Sets the horizontal and vertical alignment of the check mark on a check_box control.

xtd::forms::check_box::on_checked_changed
virtual void on_checked_changed(const event_args &e)
Raises the check_box::checked_changed event.
Definition: check_box.h:181

xtd::forms::check_box::on_mouse_enter
void on_mouse_enter(const event_args &e) override
Raises the control::mouse_enter event.
Definition: check_box.h:225

xtd::forms::check_box::create_params
forms::create_params create_params() const override
Gets the required creation parameters when the control handle is created.

xtd::forms::check_box::default_size
drawing::size default_size() const override
Gets the default size of the control.
Definition: check_box.h:132

xtd::forms::check_box::three_state
virtual check_box & three_state(bool three_state)
Gets a value indicating whether the check_box will allow three check states rather than two.

xtd::forms::check_box::on_paint
void on_paint(paint_event_args &e) override
Raises the control::paint event.

xtd::forms::check_box::on_enabled_changed
void on_enabled_changed(const event_args &e) override
Raises the control::enabled_changed event.
Definition: check_box.h:205

xtd::forms::check_box::check_state
virtual forms::check_state check_state() const
Gets the state of the check_box.
Definition: check_box.h:116

xtd::forms::check_box::check_box
check_box()
Initializes a new instance of the CheckBox class.

xtd::forms::check_box::three_state
virtual bool three_state() const
Gets a value indicating whether the check_box will allow three check states rather than two.
Definition: check_box.h:140

xtd::forms::check_box::appearance
virtual check_box & appearance(forms::appearance appearance)
Gets the value that determines the appearance of a check_box control.

xtd::forms::check_box::checked
virtual check_box & checked(bool checked)
Sets a value indicating whether the check_box is in the checked state.

xtd::forms::check_box::checked
virtual bool checked() const
Gets a value indicating whether the check_box is in the checked state.
Definition: check_box.h:98

xtd::forms::message
Implements a Windows message.
Definition: message.h:25

xtd::forms::mouse_event_args
Provides data for the xtd::forms::control::mouse_up, xtd::forms::control::mouse_down,...
Definition: mouse_event_args.h:29

xtd::forms::paint_event_args
Provides data for the paint event.
Definition: paint_event_args.h:26

xtd::forms::check_box::appearance_changed
event< check_box, event_handler > appearance_changed
Occurs when the value of the appearance property changes.
Definition: check_box.h:148

xtd::forms::check_box::check_state_changed
event< check_box, event_handler > check_state_changed
Occurs when the value of the check_state property changes.
Definition: check_box.h:156

xtd::forms::check_box::checked_changed
event< check_box, event_handler > checked_changed
Occurs when the value of the checked property changes.
Definition: check_box.h:152

forms_export_
#define forms_export_
Define shared library export.
Definition: forms_export.h:13

xtd::console_key::e
@ e
The E key.

xtd::forms::check_state
check_state
Specifies the state of a control, such as a check box, that can be checked, unchecked,...
Definition: check_state.h:19

xtd::forms::visual_styles::check_box_state
check_box_state
Specifies the visual state of a check box that is drawn with visual styles.
Definition: check_box_state.h:20

xtd::forms::content_alignment
content_alignment
Specifies alignment of content on the drawing surface.
Definition: content_alignment.h:17

xtd::forms::appearance
appearance
Specifies the appearance of a control.
Definition: appearance.h:18

xtd::forms::check_state::checked
@ checked
The control is checked.

xtd::forms::check_state::indeterminate
@ indeterminate
The control is indeterminate. An indeterminate control generally has a shaded appearance.

xtd::forms::check_state::unchecked
@ unchecked
The control is unchecked.

xtd::forms::visual_styles::check_box_state::mixed_normal
@ mixed_normal
The check box is three-state.

xtd::forms::visual_styles::check_box_state::mixed_pressed
@ mixed_pressed
The check box is three-state and pressed.

xtd::forms::visual_styles::check_box_state::unchecked_normal
@ unchecked_normal
The check box is unchecked.

xtd::forms::visual_styles::check_box_state::checked_normal
@ checked_normal
The check box is checked.

xtd::forms::visual_styles::check_box_state::checked_disabled
@ checked_disabled
The check box is checked and disabled.

xtd::forms::visual_styles::check_box_state::unchecked_pressed
@ unchecked_pressed
The check box is unchecked and pressed.

xtd::forms::visual_styles::check_box_state::mixed_hot
@ mixed_hot
The check box is three-state and hot.

xtd::forms::visual_styles::check_box_state::checked_hot
@ checked_hot
The check box is checked and hot.

xtd::forms::visual_styles::check_box_state::unchecked_hot
@ unchecked_hot
The check box is unchecked and hot.

xtd::forms::visual_styles::check_box_state::unchecked_disabled
@ unchecked_disabled
The check box is unchecked and disabled.

xtd::forms::visual_styles::check_box_state::checked_pressed
@ checked_pressed
The check box is checked and pressed.

xtd::forms::visual_styles::check_box_state::mixed_disabled
@ mixed_disabled
The check box is three-state and disabled.

xtd::forms::flat_style::system
@ system
The appearance of the control is determined by the user's operating system.

xtd::forms
The xtd::forms namespace contains classes for creating Windows-based applications that take full adva...
Definition: about_box.h:13

xtd
The xtd namespace contains all fundamental classes to access Hardware, Os, System,...
Definition: system_report.h:17