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Windows GUI: Dark mode for HTML view #857

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merged 1 commit into from
May 31, 2024
Merged

Windows GUI: Dark mode for HTML view #857

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27 changes: 24 additions & 3 deletions Source/GUI/VCL/GUI_Main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,21 @@ bool __fastcall TMainF::WindowsDarkModeEnabled()
return DarkModeEnabled;
}

//Function to inject a CSS style into html documents to make their look match the dark mode style
std::wstring __fastcall TMainF::InjectDarkModeHTMLStyle(const wchar_t* HTMLDocument) {
const wchar_t* InsertionPoint = wcsstr(HTMLDocument, L"<head>");
const wchar_t* StyleContent = L"<style>body { background-color: #1F1F1F; color: #FFFFFF; }</style>";

if (InsertionPoint != nullptr) {
size_t InsertionPos = InsertionPoint - HTMLDocument + wcslen(L"<head>");
std::wstring ModifiedHTML(HTMLDocument);
ModifiedHTML.insert(InsertionPos, StyleContent);
return ModifiedHTML;
} else {
return HTMLDocument;
}
}

//---------------------------------------------------------------------------

//***************************************************************************
Expand Down Expand Up @@ -460,7 +475,7 @@ void __fastcall TMainF::FormResize(TObject *Sender)
{
Page_Sheet_X_Web[KindOfStream]->Top =Page_Sheet_X[KindOfStream]->Top+1;
Page_Sheet_X_Web[KindOfStream]->Left=Page_Sheet_X[KindOfStream]->Width;
}
}
if (!Page_Sheet_X[KindOfStream+1]) //reached the bottom
{
//Bottom
Expand Down Expand Up @@ -904,6 +919,9 @@ void __fastcall TMainF::Refresh(TTabSheet *Page)
//Creating file
Ztring S1=I->Inform().c_str();
File F;
if (M_Options_Darkmode->Checked) {
S1=InjectDarkModeHTMLStyle(I->Inform().c_str());
}
if (FileName_Temp==__T(""))
{
FileName_Temp=FileName::TempFileName_Create(__T("MI_"));
Expand All @@ -920,9 +938,12 @@ void __fastcall TMainF::Refresh(TTabSheet *Page)
{
Ztring TempA; TempA=Prefs->Translate(__T("At least one file"));
Ztring Temp;
Temp+=L"about:<html><body>";
Temp+=L"about:<html><head></head><body>";
Temp+=TempA.To_Unicode();
Temp+=L"</body></html>";
if (M_Options_Darkmode->Checked) {
Temp=InjectDarkModeHTMLStyle(Temp.c_str());
}
Page_HTML_HTML->Navigate((MediaInfoNameSpace::Char*)Temp.c_str());
}
}
Expand Down Expand Up @@ -980,7 +1001,7 @@ void __fastcall TMainF::Refresh(TTabSheet *Page)
I->Option_Static(__T("Inform"), Prefs->Details[Prefs_Custom].Read());
Ztring S1=I->Inform();
if (S1.empty())
S1=Prefs->Translate(__T("At least one file")).c_str();
S1=Prefs->Translate(__T("At least one file")).c_str();

if (I->Option_Static(__T("Inform_Get"), __T("")) == __T("Graph_Svg"))
{
Expand Down
1 change: 1 addition & 0 deletions Source/GUI/VCL/GUI_Main.h
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Expand Up @@ -320,6 +320,7 @@ class TMainF : public TForm
const UnicodeString LIGHT_MODE_STYLE = "Windows"; // Name of style for light mode;
const UnicodeString DARK_MODE_STYLE = "Windows11 Modern Dark"; // Name of style for dark mode
bool __fastcall WindowsDarkModeEnabled();
std::wstring __fastcall InjectDarkModeHTMLStyle(const wchar_t* HTMLDocument);
public: // User declarations
MESSAGE void __fastcall HandleDropFiles (TMessage&);
BEGIN_MESSAGE_MAP
Expand Down
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