amirghadiri1987
114 lines
5.1 KiB
Plaintext
114 lines
5.1 KiB
Plaintext
//+------------------------------------------------------------------+
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//| ComboBox_New.mqh |
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//| Copyright 2000-2024, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#include "WndContainer.mqh"
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#include "Edit.mqh"
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#include "BmpButton.mqh"
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#include "ListView_New.mqh"
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//+------------------------------------------------------------------+
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//| Resources |
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//+------------------------------------------------------------------+
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//--- Can not place the same file into resource twice
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#resource "res\\DropOn.bmp" // image file
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#resource "res\\DropOff.bmp" // image file
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//+------------------------------------------------------------------+
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//| Class CComboBox |
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//| Usage: drop-down list |
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//+------------------------------------------------------------------+
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class CCombo : public CWndContainer
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{
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private:
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//--- dependent controls
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CEdit m_edit; // the entry field object
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CBmpButton m_drop; // the button object
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CListView m_list; // the drop-down list object
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int m_area_zorder;
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int m_button_zorder;
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int m_zorder;
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bool m_combobox_state;
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bool m_mouse_state;
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int m_item_height; // height of visible row
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int m_view_items; // number of visible rows in the drop-down list
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bool flage; // hidhe or show combobox
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public:
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CCombo(void);
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~CCombo(void);
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//--- create
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virtual bool Create(const long chart,const string name,const int subwin,const int x1,const int y1,const int x2,const int y2);
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//--- chart event handler
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virtual bool OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam);
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//--- fill
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bool AddItem(const string item,const long value=0);
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//--- set up
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void ListViewItems(const int value) { m_view_items=value; }
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//--- data
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virtual bool ItemAdd(const string item,const long value=0) { return(m_list.ItemAdd(item,value)); }
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virtual bool ItemInsert(const int index,const string item,const long value=0) { return(m_list.ItemInsert(index,item,value)); }
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virtual bool ItemUpdate(const int index,const string item,const long value=0) { return(m_list.ItemUpdate(index,item,value)); }
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virtual bool ItemDelete(const int index) { return(m_list.ItemDelete(index)); }
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virtual bool ItemsClear(void) { return(m_list.ItemsClear()); }
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virtual void SetBacgroundItem(color BcGI, color BcGITS) {m_list.SetBackGroundItem(BcGI,BcGITS);}
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CListView *GetListViewPointer(void) { return(::GetPointer(m_list)); }
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bool ComboBoxState(void) const { return(m_combobox_state); }
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void ComboBoxState(const bool state);
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void ChangeComboBoxListState(void);
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//--- data
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string Select(void) { return(m_edit.Text()); }
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bool Select(const int index);
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bool SelectByText(const string text);
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bool SelectByValue(const long value);
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//--- data (read only)
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long Value(void) { return(m_list.Value()); }
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//--- state
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virtual bool Show(void);
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virtual bool Hide(void);
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virtual void Reset(void);
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virtual void Delete(void);
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//--- (1) , (2)
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virtual void SetZorders(void);
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virtual void ResetZorders(void);
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//--- methods for working with files
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virtual bool Save(const int file_handle);
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virtual bool Load(const int file_handle);
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protected:
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//--- create dependent controls
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virtual bool CreateEdit(void);
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virtual bool CreateButton(void);
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virtual bool CreateList(void);
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//--- handlers of the dependent controls events
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virtual bool OnClickEdit(void);
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virtual bool OnClickButton(void);
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virtual bool OnChangeList(void);
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//--- show drop-down list
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bool ListShow(void);
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bool ListHide(void);
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void CheckListHide(const int id,int x,int y);
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private:
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bool OnClickButton(const string clicked_object);
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void CheckPressedOverButton(void);
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};
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CCombo::CCombo(void) : m_combobox_state(true)
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{
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m_zorder =0;
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m_area_zorder =1;
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m_button_zorder =2;
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}
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CCombo::~CCombo(void)
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{
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}
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bool CCombo::OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam)
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{
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return true;
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} |