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1 #pragma once
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2
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3 #include "../SDK/cfg_var.h"
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4
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5 class _cfg_dropdown_history_base
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6 {
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7 const unsigned m_max;
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8 void build_list(pfc::ptr_list_t<char> & out);
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9 void parse_list(const pfc::ptr_list_t<char> & src);
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10 public:
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11 enum {separator = '\n'};
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12
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13 _cfg_dropdown_history_base(const GUID & varid, unsigned p_max = 10, const char * initial = "") : m_max(p_max), m_state(varid, initial) {}
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14 #ifdef FOOBAR2000_DESKTOP_WINDOWS
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15 void on_init(HWND ctrl, const char * initVal) {
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16 add_item(initVal); setup_dropdown(ctrl); uSetWindowText(ctrl, initVal);
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17 }
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18 void setup_dropdown(HWND wnd);
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19 void setup_dropdown_set_value(HWND wnd);
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20 void setup_dropdown(HWND wnd,UINT id) {setup_dropdown(GetDlgItem(wnd,id));}
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21 bool on_context(HWND wnd,LPARAM coords); //returns true when the content has changed
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22 bool add_item(const char * item, HWND combobox); //immediately adds the item to the combobox
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23 #endif
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24 bool add_item(const char * item); //returns true when the content has changed, false when not (the item was already on the list)
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25 bool is_empty();
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26
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27 void set_state(const char* val) { m_state = val; }
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28 void get_state(pfc::string_base& out) { out = m_state.get(); }
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29 private:
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30 cfg_string m_state;
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31 };
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32
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33 typedef _cfg_dropdown_history_base cfg_dropdown_history;
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34 typedef _cfg_dropdown_history_base cfg_dropdown_history_mt;
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35
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36 #ifdef FOOBAR2000_DESKTOP_WINDOWS
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37 // ATL-compatible message map entry macro for installing dropdown list context menus.
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38 #define DROPDOWN_HISTORY_HANDLER(ctrlID,var) \
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39 if(uMsg == WM_CONTEXTMENU) { \
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40 const HWND source = (HWND) wParam; \
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41 if (source != NULL && source == CWindow(hWnd).GetDlgItem(ctrlID)) { \
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42 var.on_context(source,lParam); \
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43 lResult = 0; \
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44 return TRUE; \
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45 } \
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46 }
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47
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48 #endif // FOOBAR2000_DESKTOP_WINDOWS
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