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comparison src/sys/win32/dark_theme.cc @ 379:5eaafed6c10b

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*: clang-format
author Paper <paper@tflc.us>
date Wed, 05 Nov 2025 12:59:46 -0500
parents 862d0d8619f6
children
comparison
equal deleted inserted replaced
378:5912dafc6e28 379:5eaafed6c10b
17 17
18 using Library = std::unique_ptr<HINSTANCE, LibraryDeconstructor>; 18 using Library = std::unique_ptr<HINSTANCE, LibraryDeconstructor>;
19 19
20 class Dwmapi { 20 class Dwmapi {
21 public: 21 public:
22 Dwmapi() { 22 Dwmapi()
23 {
23 /* load functions */ 24 /* load functions */
24 library.reset(::LoadLibraryW(L"dwmapi.dll")); 25 library.reset(::LoadLibraryW(L"dwmapi.dll"));
25 set_wind_attrib = reinterpret_cast<decltype(::DwmSetWindowAttribute)*>( 26 set_wind_attrib = reinterpret_cast<decltype(::DwmSetWindowAttribute) *>(
26 GetProcAddress(library.get(), "DwmSetWindowAttribute")); 27 GetProcAddress(library.get(), "DwmSetWindowAttribute"));
27 } 28 }
28 29
29 HRESULT SetWindowAttribute(HWND hWnd, DWORD key, LPCVOID data, DWORD sz_data) { 30 HRESULT SetWindowAttribute(HWND hWnd, DWORD key, LPCVOID data, DWORD sz_data)
31 {
30 if (!library.get()) 32 if (!library.get())
31 return E_POINTER; 33 return E_POINTER;
32 34
33 /* GCC throws a fit here because C++ lacks a "generic" function pointer type. 35 /* GCC throws a fit here because C++ lacks a "generic" function pointer type.
34 * Ignore. */ 36 * Ignore. */
38 return set_wind_attrib(hWnd, key, data, sz_data); 40 return set_wind_attrib(hWnd, key, data, sz_data);
39 } 41 }
40 42
41 protected: 43 protected:
42 Library library = nullptr; 44 Library library = nullptr;
43 decltype(::DwmSetWindowAttribute)* set_wind_attrib; 45 decltype(::DwmSetWindowAttribute) *set_wind_attrib;
44 }; 46 };
45 47
46 Dwmapi dwmapi; 48 Dwmapi dwmapi;
47 49
48 namespace win32 { 50 namespace win32 {
49 51
50 bool SetTitleBarToBlack(QWidget* win, bool enabled) { 52 bool SetTitleBarToBlack(QWidget *win, bool enabled)
53 {
51 /* 19 and 20 are *both* DWMWA_USE_IMMERSIVE_DARK_MODE. 54 /* 19 and 20 are *both* DWMWA_USE_IMMERSIVE_DARK_MODE.
52 * 55 *
53 * It's 20 on newer versions of windows (i.e. win11 and late win10), 56 * It's 20 on newer versions of windows (i.e. win11 and late win10),
54 * but it's 19 on very old versions of win10 nobody ought to be using anymore. 57 * but it's 19 on very old versions of win10 nobody ought to be using anymore.
55 */ 58 */
73 } 76 }
74 77
75 return b; 78 return b;
76 } 79 }
77 80
78 void SetTitleBarsToBlack(bool enabled) { 81 void SetTitleBarsToBlack(bool enabled)
79 for (QWidget* widget : qApp->topLevelWidgets()) { 82 {
83 for (QWidget *widget : qApp->topLevelWidgets()) {
80 SetTitleBarToBlack(widget, enabled); 84 SetTitleBarToBlack(widget, enabled);
81 } 85 }
82 } 86 }
83 87
84 bool DarkThemeAvailable() { 88 bool DarkThemeAvailable()
85 const auto& ver = QOperatingSystemVersion::current(); 89 {
90 const auto &ver = QOperatingSystemVersion::current();
86 return (ver.majorVersion() > 10) ? true : (ver.majorVersion() == 10 && ver.microVersion() >= 17763); 91 return (ver.majorVersion() > 10) ? true : (ver.majorVersion() == 10 && ver.microVersion() >= 17763);
87 } 92 }
88 93
89 bool IsInDarkTheme() { 94 bool IsInDarkTheme()
95 {
90 QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", 96 QSettings settings("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize",
91 QSettings::NativeFormat); 97 QSettings::NativeFormat);
92 return settings.value("AppsUseLightTheme", 1).toInt() == 0; 98 return settings.value("AppsUseLightTheme", 1).toInt() == 0;
93 } 99 }
94 100