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1 #pragma once
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2
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3 #include "CDialogResizeHelperCompat.h"
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4 #include <vector>
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5
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6 // ==========================================================
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7 // CDialogResizeHelper
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8 // ==========================================================
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9 // Usage:
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10 // Put CDialogResizeHelper member in your dialog class
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11 // Initialize with controls sizing info table, array of CDialogResizeHelper::Param
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12 // Put CHAIN_MSG_MAP_MEMBER(m_resizer) before your dialog message handlers
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13 // CDialogResizeHelper will do its own message handling without marking messages as handled, that is, your handlers of the same messages will be allowed to run.
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14 // CRect minMaxRange specifies allowed size min (left&top) and max (right&bottom) values, in DLU not pixels.
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15 // ==========================================================
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16
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17 class CDialogResizeHelper : public CMessageMap {
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18 public:
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19
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20 typedef CDialogResizeHelperCompat::param ParamOld;
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21
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22 struct Param {
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23 uint32_t id;
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24 float snapLeft, snapTop, snapRight, snapBottom;
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25 };
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26 private:
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27 void AddSizeGrip();
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28 public:
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29 inline void set_min_size(unsigned x, unsigned y) { min_x = x; min_y = y; }
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30 inline void set_max_size(unsigned x, unsigned y) { max_x = x; max_y = y; }
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31
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32 bool m_autoSizeGrip = true;
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33
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34 BEGIN_MSG_MAP_EX(CDialogResizeHelper)
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35 if (uMsg == WM_INITDIALOG) OnInitDialog(hWnd);
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36 MSG_WM_SIZE(OnSize)
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37 MSG_WM_DESTROY(OnDestroy)
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38 MSG_WM_GETMINMAXINFO(OnGetMinMaxInfo)
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39 END_MSG_MAP()
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40
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41 template<typename TParam, size_t paramCount> CDialogResizeHelper(const TParam(&src)[paramCount], CRect const& minMaxRange = CRect(0, 0, 0, 0)) {
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42 InitTable(src, paramCount);
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43 InitMinMax(minMaxRange);
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44 }
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45
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46 void InitTable(const Param* table, size_t tableSize);
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47 void InitTable(const ParamOld * table, size_t tableSize);
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48 void InitMinMax(const CRect & range);
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49
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50 bool EvalRect(UINT id, CRect & out) const;
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51
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52 //! initData.id may be null, if so specify a non null window handle.
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53 void AddControl( Param const & initData, CWindow wnd = NULL );
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54 bool RemoveControl( CWindow wnd );
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55 bool HaveControl(CWindow wnd) const;
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56 private:
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57 struct runtime_t {
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58 HWND userHWND = 0;
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59 CRect origRect;
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60 CSize origWindowSize;
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61 Param initData = {};
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62 };
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63
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64 CSize CurrentSize() const;
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65 CWindow ResolveWnd( runtime_t const & rt ) const;
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66
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67 CRect _EvalRect(runtime_t const & rt, CSize wndSize) const;
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68 void OnGetMinMaxInfo(LPMINMAXINFO lpMMI) const;
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69 void OnSize(UINT nType, CSize size);
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70 void OnInitDialog(CWindow thisWnd);
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71 void OnDestroy();
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72
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73
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74 std::vector<runtime_t> m_runtime;
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75 std::vector<Param> m_initData;
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76
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77 CWindow m_thisWnd, m_sizeGrip;
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78 unsigned min_x, min_y, max_x, max_y;
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79 }; |
