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@ -1,9 +1,10 @@ |
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// ImGui Platform Binding for: OSX / Cocoa |
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// This needs to be used along with a Renderer (e.g. OpenGL2, OpenGL3, Vulkan..) |
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// FIXME-OSX: Keyboard mapping is weird. |
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// FIXME-OSX: Mouse cursor shape support (see https://github.com/glfw/glfw/issues/427) |
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// FIXME-OSX: Test renderer backend combination, e.g. OpenGL3 |
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// Issues: |
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// [ ] Platform: CTRL+Tab can't be read. |
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// [ ] Platform: Mouse cursor shapes are not supported (see end of https://github.com/glfw/glfw/issues/427) |
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// [ ] Test with another renderer back-end than OpenGL2. e.g. OpenGL3. |
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#include "imgui.h" |
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#include "imgui_impl_osx.h" |
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@ -11,7 +12,7 @@ |
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// CHANGELOG |
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// (minor and older changes stripped away, please see git history for details) |
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// 2018-XX-XX: Initial version. |
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// 2018-06-XX: Initial version. |
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// Data |
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static clock_t g_Time = 0; |
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@ -28,31 +29,28 @@ bool ImGui_ImplOSX_Init() |
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//io.BackendFlags |= ImGuiBackendFlags_HasMouseHoveredViewport; // We can set io.MouseHoveredViewport correctly (optional, not easy) |
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// Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array. |
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io.KeyMap[ImGuiKey_Tab] = 9; |
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io.KeyMap[ImGuiKey_LeftArrow] = ImGuiKey_LeftArrow; |
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io.KeyMap[ImGuiKey_RightArrow] = ImGuiKey_RightArrow; |
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io.KeyMap[ImGuiKey_UpArrow] = ImGuiKey_UpArrow; |
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io.KeyMap[ImGuiKey_DownArrow] = ImGuiKey_DownArrow; |
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io.KeyMap[ImGuiKey_PageUp] = ImGuiKey_PageUp; |
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io.KeyMap[ImGuiKey_PageDown] = ImGuiKey_PageDown; |
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io.KeyMap[ImGuiKey_Home] = ImGuiKey_Home; |
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io.KeyMap[ImGuiKey_End] = ImGuiKey_End; |
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io.KeyMap[ImGuiKey_Insert] = ImGuiKey_Insert; |
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io.KeyMap[ImGuiKey_Delete] = ImGuiKey_Delete; |
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io.KeyMap[ImGuiKey_Backspace] = 127; |
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io.KeyMap[ImGuiKey_Space] = 32; |
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io.KeyMap[ImGuiKey_Enter] = 13; |
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io.KeyMap[ImGuiKey_Escape] = 27; |
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io.KeyMap[ImGuiKey_A] = 'a'; |
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io.KeyMap[ImGuiKey_C] = 'c'; |
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io.KeyMap[ImGuiKey_V] = 'v'; |
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io.KeyMap[ImGuiKey_X] = 'x'; |
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io.KeyMap[ImGuiKey_Y] = 'y'; |
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io.KeyMap[ImGuiKey_Z] = 'z'; |
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// Time elapsed since last frame, in seconds |
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// (in this sample app we'll override this every frame because our time step is variable) |
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io.DeltaTime = 1.0f/60.0f; |
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const int offset_for_function_keys = 256 - 0xF700; |
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io.KeyMap[ImGuiKey_Tab] = '\t'; |
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io.KeyMap[ImGuiKey_LeftArrow] = NSLeftArrowFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_RightArrow] = NSRightArrowFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_UpArrow] = NSUpArrowFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_DownArrow] = NSDownArrowFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_PageUp] = NSPageUpFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_PageDown] = NSPageDownFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_Home] = NSHomeFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_End] = NSEndFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_Insert] = NSInsertFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_Delete] = NSDeleteFunctionKey + offset_for_function_keys; |
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io.KeyMap[ImGuiKey_Backspace] = 127; |
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io.KeyMap[ImGuiKey_Space] = 32; |
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io.KeyMap[ImGuiKey_Enter] = 13; |
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io.KeyMap[ImGuiKey_Escape] = 27; |
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io.KeyMap[ImGuiKey_A] = 'A'; |
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io.KeyMap[ImGuiKey_C] = 'C'; |
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io.KeyMap[ImGuiKey_V] = 'V'; |
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io.KeyMap[ImGuiKey_X] = 'X'; |
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io.KeyMap[ImGuiKey_Y] = 'Y'; |
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io.KeyMap[ImGuiKey_Z] = 'Z'; |
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return true; |
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} |
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@ -63,9 +61,8 @@ void ImGui_ImplOSX_Shutdown() |
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void ImGui_ImplOSX_NewFrame(NSOpenGLView* view) |
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{ |
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ImGuiIO& io = ImGui::GetIO(); |
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// Setup display size |
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ImGuiIO& io = ImGui::GetIO(); |
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const float dpi = [view.window backingScaleFactor]; |
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io.DisplaySize = ImVec2((float)view.bounds.size.width, (float)view.bounds.size.height); |
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io.DisplayFramebufferScale = ImVec2(dpi, dpi); |
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@ -86,47 +83,26 @@ void ImGui_ImplOSX_NewFrame(NSOpenGLView* view) |
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ImGui::NewFrame(); |
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} |
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// FIXME-OSX: Store in io.KeysDown[] |
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static bool mapKeymap(int* keymap) |
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static int mapCharacterToKey(int c) |
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{ |
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if (*keymap == NSUpArrowFunctionKey) |
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*keymap = ImGuiKey_LeftArrow; |
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else if (*keymap == NSDownArrowFunctionKey) |
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*keymap = ImGuiKey_DownArrow; |
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else if (*keymap == NSLeftArrowFunctionKey) |
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*keymap = ImGuiKey_LeftArrow; |
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else if (*keymap == NSRightArrowFunctionKey) |
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*keymap = ImGuiKey_RightArrow; |
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else if (*keymap == NSHomeFunctionKey) |
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*keymap = ImGuiKey_Home; |
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else if (*keymap == NSEndFunctionKey) |
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*keymap = ImGuiKey_End; |
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else if (*keymap == NSDeleteFunctionKey) |
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*keymap = ImGuiKey_Delete; |
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else if (*keymap == 25) // SHIFT + TAB |
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*keymap = 9; // TAB |
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else |
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return true; |
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return false; |
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if (c >= 'a' && c <= 'z') |
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return c - 'a' + 'A'; |
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if (c == 25) // SHIFT+TAB -> TAB |
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return 9; |
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if (c >= 0 && c < 256) |
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return c; |
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if (c >= 0xF700 && c < 0xF700 + 256) |
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return c - 0xF700 + 256; |
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return -1; |
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} |
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static void ResetKeys() |
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// Reset the non-characters keys |
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static void resetKeys() |
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{ |
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// FIXME-OSX: Mapping |
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ImGuiIO& io = ImGui::GetIO(); |
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io.KeysDown[io.KeyMap[ImGuiKey_A]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_C]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_V]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_X]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_Y]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_Z]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_LeftArrow]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_RightArrow]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_Tab]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_UpArrow]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_DownArrow]] = false; |
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io.KeysDown[io.KeyMap[ImGuiKey_Tab]] = false; |
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for (int n = 0; n < IM_ARRAYSIZE(io.KeyMap); n++) |
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if (io.KeyMap[n] != -1 && io.KeyMap[n] >= 256) |
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io.KeysDown[io.KeyMap[n]] = false; |
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} |
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bool ImGui_ImplOSX_HandleEvent(NSEvent* event) |
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@ -186,16 +162,16 @@ bool ImGui_ImplOSX_HandleEvent(NSEvent* event) |
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int len = (int)[str length]; |
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for (int i = 0; i < len; i++) |
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{ |
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int keymap = [str characterAtIndex:i]; |
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if (mapKeymap(&keymap) && !io.KeyCtrl) |
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io.AddInputCharacter(keymap); |
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if (keymap < 512) |
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{ |
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// We must reset in case we're pressing a sequence of special keys while keeping the command pressed |
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if (io.KeyCtrl) |
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ResetKeys(); |
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io.KeysDown[keymap] = true; |
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} |
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int c = [str characterAtIndex:i]; |
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if (c < 0xF700 && !io.KeyCtrl) |
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io.AddInputCharacter(c); |
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// We must reset in case we're pressing a sequence of special keys while keeping the command pressed |
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int key = mapCharacterToKey(c); |
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if (key != -1 && key < 256 && !io.KeyCtrl) |
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resetKeys(); |
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if (key != -1) |
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io.KeysDown[key] = true; |
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} |
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return io.WantCaptureKeyboard; |
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} |
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@ -206,29 +182,31 @@ bool ImGui_ImplOSX_HandleEvent(NSEvent* event) |
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int len = (int)[str length]; |
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for (int i = 0; i < len; i++) |
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{ |
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int keymap = [str characterAtIndex:i]; |
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mapKeymap(&keymap); |
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if (keymap < 512) |
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io.KeysDown[keymap] = false; |
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int c = [str characterAtIndex:i]; |
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int key = mapCharacterToKey(c); |
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if (key != -1) |
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io.KeysDown[key] = false; |
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} |
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return io.WantCaptureKeyboard; |
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} |
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if (event.type == NSEventTypeFlagsChanged) |
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{ |
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unsigned int flags; |
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flags = [event modifierFlags] & NSDeviceIndependentModifierFlagsMask; |
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ImGuiIO& io = ImGui::GetIO(); |
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bool wasKeyShift= io.KeyShift; |
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bool wasKeyCtrl = io.KeyCtrl; |
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io.KeyShift = flags & NSShiftKeyMask; |
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io.KeyCtrl = flags & NSCommandKeyMask; |
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bool keyShiftReleased = wasKeyShift && !io.KeyShift; |
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bool keyCtrlReleased = wasKeyCtrl && !io.KeyCtrl; |
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unsigned int flags = [event modifierFlags] & NSEventModifierFlagDeviceIndependentFlagsMask; |
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bool oldKeyCtrl = io.KeyCtrl; |
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bool oldKeyShift = io.KeyShift; |
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bool oldKeyAlt = io.KeyAlt; |
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bool oldKeySuper = io.KeySuper; |
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io.KeyCtrl = flags & NSEventModifierFlagControl; |
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io.KeyShift = flags & NSEventModifierFlagShift; |
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io.KeyAlt = flags & NSEventModifierFlagOption; |
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io.KeySuper = flags & NSEventModifierFlagCommand; |
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// We must reset them as we will not receive any keyUp event if they where pressed during shift or command |
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if (keyShiftReleased || keyCtrlReleased) |
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ResetKeys(); |
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if ((oldKeyShift && !io.KeyShift) || (oldKeyCtrl && !io.KeyCtrl)) |
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resetKeys(); |
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return io.WantCaptureKeyboard; |
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} |
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