Add KeyEvents and ProcessEvent examples

Author: gammasoft71

src/Events/CMakeLists.txt

@@ -4,3 +4,5 @@ project(Events)
 add_subdirectory(CustomEvent)
 add_subdirectory(FrameClick)
 add_subdirectory(FrameAndEvents)
+add_subdirectory(KeyEvents)
+add_subdirectory(ProcessEvent)

src/Events/KeyEvents/CMakeLists.txt

@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.0)
+project(KeyEvents)
+
+find_package(wxWidgets REQUIRED)
+include(${wxWidgets_USE_FILE})
+link_libraries(${wxWidgets_LIBRARIES})
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+add_executable(${PROJECT_NAME} WIN32 MACOSX_BUNDLE KeyEvents.cpp)
+set_target_properties(${PROJECT_NAME} PROPERTIES FOLDER "Events")

src/Events/KeyEvents/KeyEvents.cpp

@@ -0,0 +1,51 @@
+#include <wx/wx.h>
+#include <wx/display.h>
+
+namespace Examples {
+  class Frame : public wxFrame {
+  public:
+    Frame() : wxFrame(nullptr, wxID_ANY, "KeyEvents", wxDefaultPosition, {300, 300}) {
+      logWindow->GetFrame()->SetPosition({wxDisplay(wxDisplay::GetFromWindow(this)).GetClientArea().GetLeft() + wxDisplay(wxDisplay::GetFromWindow(this)).GetClientArea().GetWidth() - wxDisplay(wxDisplay::GetFromWindow(this)).GetClientArea().GetWidth() / 4, wxDisplay(wxDisplay::GetFromWindow(this)).GetClientArea().GetTop()});
+      logWindow->GetFrame()->SetSize(wxDisplay(wxDisplay::GetFromWindow(this)).GetClientArea().GetWidth() / 4, wxDisplay(wxDisplay::GetFromWindow(this)).GetClientArea().GetHeight());
+      
+      panel->Bind(wxEVT_KEY_DOWN, [&](wxKeyEvent& event) {
+        logWindow->LogTextAtLevel(0, wxString::Format("KeyDown={KeyCode=0x%04x, Modifiers=[%s]}", event.GetKeyCode(), ModiiersToString(event.GetModifiers())));
+        event.Skip();
+      });
+      
+      panel->Bind(wxEVT_CHAR, [&](wxKeyEvent& event) {
+        logWindow->LogTextAtLevel(0, wxString::Format("Char={UnicodeKey=%s}", event.GetUnicodeKey()== WXK_NONE ? "[None]" : wxString::Format("'%c'", event.GetUnicodeKey())));
+      });
+      
+      panel->Bind(wxEVT_KEY_UP, [&](wxKeyEvent& event) {
+        logWindow->LogTextAtLevel(0, wxString::Format("KeyUp={KeyCode=0x%04x, Modifiers=[%s]}%s", event.GetKeyCode(), ModiiersToString(event.GetModifiers()), event.GetModifiers() == WXK_NONE ? "\n" : ""));
+      });
+    }
+    
+  private:
+    static std::string ModiiersToString(int modifiers) {
+      std::string result;
+      if ((modifiers & wxMOD_SHIFT) == wxMOD_SHIFT) result += "Shift, ";
+      if ((modifiers & wxMOD_RAW_CONTROL) == wxMOD_RAW_CONTROL) result += "Control, ";
+      if ((modifiers & wxMOD_ALT) == wxMOD_ALT) result += "Alt, ";
+#if defined(__WXOSX__)
+      if ((modifiers & wxMOD_CONTROL) == wxMOD_CONTROL) result += "Command, ";
+#endif
+      if ((modifiers & wxMOD_META) == wxMOD_META) result += "Meta, ";
+      if (result.size() > 1) result.resize(result.size() - 2);
+       return result;
+    }
+    
+    wxPanel* panel = new wxPanel(this);
+    wxLogWindow* logWindow = new wxLogWindow(this, "Debug");
+  };
+
+  class Application : public wxApp {
+    bool OnInit() override {
+      (new Frame())->Show();
+      return true;
+    }
+  };
+}
+
+wxIMPLEMENT_APP(Examples::Application);

src/Events/ProcessEvent/CMakeLists.txt

@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.0)
+project(ProcessEvent)
+
+find_package(wxWidgets REQUIRED)
+include(${wxWidgets_USE_FILE})
+link_libraries(${wxWidgets_LIBRARIES})
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+add_executable(${PROJECT_NAME} WIN32 MACOSX_BUNDLE ProcessEvent.cpp)
+set_target_properties(${PROJECT_NAME} PROPERTIES FOLDER "Events")

src/Events/ProcessEvent/ProcessEvent.cpp

@@ -0,0 +1,55 @@
+#include <wx/wx.h>
+#include <wx/msgout.h>
+
+namespace Examples {
+  class Frame1 : public wxFrame {
+  public:
+    Frame1() : wxFrame(nullptr, wxID_ANY, "Frame1") {
+      SetClientSize(300, 300);
+      Bind(wxEVT_PAINT, [&](wxPaintEvent& event) {
+        wxPaintDC dc(this);
+        if (AppActive()) {
+          dc.SetBrush({wxSystemSettings::GetColour(wxSystemColour::wxSYS_COLOUR_MENUHILIGHT)});
+          dc.SetPen(*wxTRANSPARENT_PEN);
+          dc.DrawRectangle({10, 10, 280, 50});
+          dc.DrawText("Application is active", 10, 10);
+        } else {
+          dc.SetBrush({wxSystemSettings::GetColour(wxSystemColour::wxSYS_COLOUR_BTNFACE)});
+          dc.SetPen(*wxTRANSPARENT_PEN);
+          dc.DrawRectangle({10, 10, 280, 50});
+          dc.DrawText("Application is inactive", 10, 10);
+        }
+      });
+      
+    }
+
+    bool AppActive() const {return appActive;}
+    void AppActive(bool value) {appActive = value;}
+
+  private:
+    wxPanel* panel = new wxPanel(this);
+    bool appActive = true;
+  };
+
+  class Application : public wxApp {
+    bool ProcessEvent (wxEvent &event) override {
+      if (event.GetEventType() == wxEVT_ACTIVATE_APP) {
+        frame1->AppActive(dynamic_cast<wxActivateEvent&>(event).GetActive());
+        wxMessageOutputDebug().Printf("wxEVT_ACTIVATE_APP [active=%s]", frame1->AppActive() ? "true" : "false");
+        frame1->Refresh();
+      }
+      
+      return wxApp::ProcessEvent(event);
+    }
+
+    bool OnInit() override {
+      frame1 = new Frame1();
+      frame1->Show();
+      return true;
+    }
+    
+    Frame1* frame1 = nullptr;
+  };
+}
+
+wxIMPLEMENT_APP(Examples::Application);