Added ImGuiKey_PageUp, ImGuiKey_PageDown for user.

examples/directx11_example/imgui_impl_dx11.cpp

@@ -409,6 +409,8 @@ bool    ImGui_ImplDX11_Init(void* hwnd, ID3D11Device* device, ID3D11DeviceContex
     io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
     io.KeyMap[ImGuiKey_DownArrow] = VK_DOWN;
+    io.KeyMap[ImGuiKey_PageUp] = VK_PRIOR;
+    io.KeyMap[ImGuiKey_PageDown] = VK_NEXT;
     io.KeyMap[ImGuiKey_Home] = VK_HOME;
     io.KeyMap[ImGuiKey_End] = VK_END;
     io.KeyMap[ImGuiKey_Delete] = VK_DELETE;

examples/directx9_example/imgui_impl_dx9.cpp

@@ -169,6 +169,8 @@ bool    ImGui_ImplDX9_Init(void* hwnd, IDirect3DDevice9* device)
     io.KeyMap[ImGuiKey_RightArrow] = VK_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = VK_UP;
     io.KeyMap[ImGuiKey_DownArrow] = VK_DOWN;
+    io.KeyMap[ImGuiKey_PageUp] = VK_PRIOR;
+    io.KeyMap[ImGuiKey_PageDown] = VK_NEXT;
     io.KeyMap[ImGuiKey_Home] = VK_HOME;
     io.KeyMap[ImGuiKey_End] = VK_END;
     io.KeyMap[ImGuiKey_Delete] = VK_DELETE;

examples/opengl3_example/imgui_impl_glfw_gl3.cpp

@@ -257,6 +257,8 @@ bool    ImGui_ImplGlfwGL3_Init(GLFWwindow* window, bool install_callbacks)
     io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP;
     io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN;
+    io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP;
+    io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN;
     io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME;
     io.KeyMap[ImGuiKey_End] = GLFW_KEY_END;
     io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE;

examples/opengl_example/imgui_impl_glfw.cpp

@@ -183,6 +183,8 @@ bool    ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks)
     io.KeyMap[ImGuiKey_RightArrow] = GLFW_KEY_RIGHT;
     io.KeyMap[ImGuiKey_UpArrow] = GLFW_KEY_UP;
     io.KeyMap[ImGuiKey_DownArrow] = GLFW_KEY_DOWN;
+    io.KeyMap[ImGuiKey_PageUp] = GLFW_KEY_PAGE_UP;
+    io.KeyMap[ImGuiKey_PageDown] = GLFW_KEY_PAGE_DOWN;
     io.KeyMap[ImGuiKey_Home] = GLFW_KEY_HOME;
     io.KeyMap[ImGuiKey_End] = GLFW_KEY_END;
     io.KeyMap[ImGuiKey_Delete] = GLFW_KEY_DELETE;

imgui.h

@@ -473,23 +473,25 @@ enum ImGuiSelectableFlags_
 // User fill ImGuiIO.KeyMap[] array with indices into the ImGuiIO.KeysDown[512] array
 enum ImGuiKey_
 {
-    ImGuiKey_Tab,
-    ImGuiKey_LeftArrow,
-    ImGuiKey_RightArrow,
-    ImGuiKey_UpArrow,
-    ImGuiKey_DownArrow,
-    ImGuiKey_Home,
-    ImGuiKey_End,
-    ImGuiKey_Delete,
-    ImGuiKey_Backspace,
-    ImGuiKey_Enter,
-    ImGuiKey_Escape,
-    ImGuiKey_A,         // for CTRL+A: select all
-    ImGuiKey_C,         // for CTRL+C: copy
-    ImGuiKey_V,         // for CTRL+V: paste
-    ImGuiKey_X,         // for CTRL+X: cut
-    ImGuiKey_Y,         // for CTRL+Y: redo
-    ImGuiKey_Z,         // for CTRL+Z: undo
+    ImGuiKey_Tab,       // for tabbing through fields
+    ImGuiKey_LeftArrow, // for text edit
+    ImGuiKey_RightArrow,// for text edit
+    ImGuiKey_UpArrow,   // for text edit
+    ImGuiKey_DownArrow, // for text edit
+    ImGuiKey_PageUp,
+    ImGuiKey_PageDown,
+    ImGuiKey_Home,      // for text edit
+    ImGuiKey_End,       // for text edit
+    ImGuiKey_Delete,    // for text edit
+    ImGuiKey_Backspace, // for text edit
+    ImGuiKey_Enter,     // for text edit
+    ImGuiKey_Escape,    // for text edit
+    ImGuiKey_A,         // for text edit CTRL+A: select all
+    ImGuiKey_C,         // for text edit CTRL+C: copy
+    ImGuiKey_V,         // for text edit CTRL+V: paste
+    ImGuiKey_X,         // for text edit CTRL+X: cut
+    ImGuiKey_Y,         // for text edit CTRL+Y: redo
+    ImGuiKey_Z,         // for text edit CTRL+Z: undo
     ImGuiKey_COUNT
 };