cmake-gui: Add field for generator platform selection

Extend the "first configure" dialog with a field for the user to select
a value for `CMAKE_GENERATOR_PLATFORM`.

Fixes: #17343

1 files changed, 8 insertions, 0 deletions

diff --git a/Source/QtDialog/FirstConfigure.h b/Source/QtDialog/FirstConfigure.h
index abfa03fd82..133f4224b8 100644
--- a/Source/QtDialog/FirstConfigure.h
+++ b/Source/QtDialog/FirstConfigure.h
@@ -35,6 +35,7 @@ public:
   void setCurrentGenerator(const QString& gen);
   QString getGenerator() const;
   QString getToolset() const;
+  QString getPlatform() const;
 
   bool defaultSetup() const;
   bool compilerSetup() const;
@@ -56,10 +57,16 @@ protected:
   QFrame* ToolsetFrame;
   QLineEdit* Toolset;
   QLabel* ToolsetLabel;
+  QFrame* PlatformFrame;
+  QComboBox* PlatformOptions;
+  QLabel* PlatformLabel;
   QStringList GeneratorsSupportingToolset;
+  QStringList GeneratorsSupportingPlatform;
+  QMultiMap<QString, QString> GeneratorSupportedPlatforms;
 
 private:
   QFrame* CreateToolsetWidgets();
+  QFrame* CreatePlatformWidgets();
 };
 
 //! the page that gives basic options for native compilers
@@ -159,6 +166,7 @@ public:
 
   void setGenerators(std::vector<cmake::GeneratorInfo> const& gens);
   QString getGenerator() const;
+  QString getPlatform() const;
   QString getToolset() const;
 
   bool defaultSetup() const;