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1 #pragma once
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2 #include <functional>
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3 #include <list>
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4
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5 namespace DarkMode {
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6 // Is dark mode supported on this system or not?
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7 bool IsSupportedSystem();
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8 // Is system in dark mode or not?
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9 bool QueryUserOption();
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10
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11 // Darken menus etc app-wide
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12 void SetAppDarkMode(bool bDark);
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13 // Darken window title bar
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14 void UpdateTitleBar(HWND wnd, bool bDark );
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15 void ApplyDarkThemeCtrl(HWND ctrl, bool bDark, const wchar_t * ThemeID = L"Explorer");
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16 void ApplyDarkThemeCtrl2(HWND ctrl, bool bDark, const wchar_t* ThemeID_light = L"Explorer", const wchar_t* ThemeID_dark = L"DarkMode_Explorer");
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17 void AllowDarkModeForWindow(HWND wnd, bool bDark);
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18
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19 // One-shot version of darkening function for editboxes
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20 void DarkenEditLite(HWND ctrl);
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21 // One-shot version of darkening function for comboboxes
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22 void DarkenComboLite(HWND ctrl);
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23
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24 // Returns if the dialog appears to be using dark mode (text brighter than background)
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25 bool IsDialogDark(HWND dlg, UINT msgSend = WM_CTLCOLORDLG);
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26 // Returns if the DC appears to be using dark mode (text brighter than background)
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27 bool IsDCDark(HDC dc);
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28
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29 // Returns if these colors (text, background) look like dark theme
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30 bool IsThemeDark(COLORREF text, COLORREF background);
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31
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32 COLORREF GetSysColor(int, bool bDark = true);
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33
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34 LRESULT CustomDrawToolbar(NMHDR*);
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35 // Custom draw handler that paints registered darkened controls.
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36 // Can be used with NOTIFY_CODE_HANDLER() directly
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37 LRESULT OnCustomDraw(int, NMHDR*, BOOL & bHandled);
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38
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39 // Handle WM_NCPAINT drawing dark frame
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40 void NCPaintDarkFrame(HWND ctrl, HRGN rgn);
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41
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42 bool IsHighContrast();
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43
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44 // msgSetDarkMode
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45 // return 1 if understood, 0 otherwise
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46 // WPARAM = 0, DISABLE dark mode
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47 // WPARAM = 1, ENABLE dark mode
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48 // WPARAM = -1, query if supported
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49 UINT msgSetDarkMode();
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50
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51 //! CHooks class: entrypoint class for all Dark Mode hacks. \n
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52 //! Usage: Keep CHooks m_dark = detectDarkMode(); as a member of your window class, replacing detectDarkMode() with your own function returning dark mode on/off state. \n
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53 //! When initializing your window (WM_CREATE, WM_INITDIALOG), call m_dark.AddDialogWithControls(m_hWnd); \n
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54 //! AddDialogWithControls() walks all child windows of your window; call other individual methods to finetune handling of Dark Mode if that's not acceptable in your case.
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55 class CHooks {
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56 public:
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57 CHooks(bool enabled = false) : m_dark(enabled) {}
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58 CHooks(const CHooks&) = delete;
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59 void operator=(const CHooks&) = delete;
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60
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61 void AddDialog(HWND);
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62 void AddTabCtrl(HWND);
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63 void AddComboBox(HWND);
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64 void AddComboBoxEx(HWND);
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65 void AddButton(HWND);
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66 void AddEditBox(HWND);
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67 void AddPopup(HWND);
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68 void AddStatusBar(HWND);
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69 void AddScrollBar(HWND);
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70 void AddToolBar(HWND, bool bExplorerTheme = true);
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71 void AddReBar(HWND);
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72 void AddStatic(HWND);
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73 void AddUpDown(HWND);
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74 void AddListBox(HWND);
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75 void AddListView(HWND);
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76 void AddTreeView(HWND);
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77 void AddPPListControl(HWND);
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78
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79
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80 // SetWindowTheme with DarkMode_Explorer <=> Explorer
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81 void AddGeneric(HWND, const wchar_t * name = L"explorer");
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82 // SetWindowTheme(wnd, L"", L"") for dark, Explorer theme for normal
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83 void AddClassic(HWND, const wchar_t* normalTheme = L"explorer");
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84
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85 void AddCtrlAuto(HWND);
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86 void AddCtrlMsg(HWND);
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87
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88 void AddDialogWithControls(HWND);
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89 void AddControls(HWND wndParent);
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90
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91 void SetDark(bool v = true);
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92 bool IsDark() const { return m_dark; }
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93 operator bool() const { return m_dark; }
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94
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95 ~CHooks() { clear(); }
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96 void clear();
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97
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98 void AddApp();
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99 private:
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100 template<typename obj_t> void addObj(obj_t* arg) {
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101 m_apply.push_back([arg, this] { arg->SetDark(m_dark); });
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102 m_cleanup.push_back([arg] { delete arg; });
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103 }
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104 void addOp(std::function<void()> f) { f(); m_apply.push_back(f); }
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105 bool m_dark = false;
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106 std::list<std::function<void()> > m_apply;
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107 std::list<std::function<void()> > m_cleanup;
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108
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109 void flushMoveToBack();
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110 std::list<HWND> m_lstMoveToBack;
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111 };
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112 }
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