update dear imgui from 1.91.8 to 1.91.9b and switch to docking branch
This commit is contained in:
Sven Balzer
@@ -9,6 +9,11 @@
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// [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy GLFW_KEY_* values are obsolete since 1.87 and not supported since 1.91.5]
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// [X] Platform: Gamepad support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
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// [X] Platform: Mouse cursor shape and visibility (ImGuiBackendFlags_HasMouseCursors). Resizing cursors requires GLFW 3.4+! Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
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// [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
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// Missing features or Issues:
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// [ ] Touch events are only correctly identified as Touch on Windows. This create issues with some interactions. GLFW doesn't provide a way to identify touch inputs from mouse inputs, we cannot call io.AddMouseSourceEvent() to identify the source. We provide a Windows-specific workaround.
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// [ ] Missing ImGuiMouseCursor_Wait and ImGuiMouseCursor_Progress cursors.
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// [ ] Multi-viewport: ParentViewportID not honored, and so io.ConfigViewportsNoDefaultParent has no effect (minor).
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// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
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// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
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@@ -25,7 +30,12 @@
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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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// 2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
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// 2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
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// 2025-03-10: Map GLFW_KEY_WORLD_1 and GLFW_KEY_WORLD_2 into ImGuiKey_Oem102.
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// 2025-03-03: Fixed clipboard handler assertion when using GLFW <= 3.2.1 compiled with asserts enabled.
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// 2025-02-21: [Docking] Update monitors and work areas information every frame, as the later may change regardless of monitor changes. (#8415)
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// 2024-11-05: [Docking] Added Linux workaround for spurious mouse up events emitted while dragging and creating new viewport. (#3158, #7733, #7922)
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// 2024-08-22: Moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
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// - io.GetClipboardTextFn -> platform_io.Platform_GetClipboardTextFn
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// - io.SetClipboardTextFn -> platform_io.Platform_SetClipboardTextFn
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// - io.PlatformOpenInShellFn -> platform_io.Platform_OpenInShellFn
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@@ -41,6 +51,7 @@
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// 2023-03-16: Inputs: Fixed key modifiers handling on secondary viewports (docking branch). Broken on 2023/01/04. (#6248, #6034)
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// 2023-03-14: Emscripten: Avoid using glfwGetError() and glfwGetGamepadState() which are not correctly implemented in Emscripten emulation. (#6240)
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// 2023-02-03: Emscripten: Registering custom low-level mouse wheel handler to get more accurate scrolling impulses on Emscripten. (#4019, #6096)
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// 2023-01-18: Handle unsupported glfwGetVideoMode() call on e.g. Emscripten.
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// 2023-01-04: Inputs: Fixed mods state on Linux when using Alt-GR text input (e.g. German keyboard layout), could lead to broken text input. Revert a 2022/01/17 change were we resumed using mods provided by GLFW, turns out they were faulty.
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// 2022-11-22: Perform a dummy glfwGetError() read to cancel missing names with glfwGetKeyName(). (#5908)
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// 2022-10-18: Perform a dummy glfwGetError() read to cancel missing mouse cursors errors. Using GLFW_VERSION_COMBINED directly. (#5785)
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@@ -125,11 +136,29 @@
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// We gather version tests as define in order to easily see which features are version-dependent.
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#define GLFW_VERSION_COMBINED (GLFW_VERSION_MAJOR * 1000 + GLFW_VERSION_MINOR * 100 + GLFW_VERSION_REVISION)
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#define GLFW_HAS_WINDOW_TOPMOST (GLFW_VERSION_COMBINED >= 3200) // 3.2+ GLFW_FLOATING
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#define GLFW_HAS_WINDOW_HOVERED (GLFW_VERSION_COMBINED >= 3300) // 3.3+ GLFW_HOVERED
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#define GLFW_HAS_WINDOW_ALPHA (GLFW_VERSION_COMBINED >= 3300) // 3.3+ glfwSetWindowOpacity
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#define GLFW_HAS_PER_MONITOR_DPI (GLFW_VERSION_COMBINED >= 3300) // 3.3+ glfwGetMonitorContentScale
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#if defined(__EMSCRIPTEN__) || defined(__SWITCH__) // no Vulkan support in GLFW for Emscripten or homebrew Nintendo Switch
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#define GLFW_HAS_VULKAN (0)
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#else
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#define GLFW_HAS_VULKAN (GLFW_VERSION_COMBINED >= 3200) // 3.2+ glfwCreateWindowSurface
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#endif
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#define GLFW_HAS_FOCUS_WINDOW (GLFW_VERSION_COMBINED >= 3200) // 3.2+ glfwFocusWindow
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#define GLFW_HAS_FOCUS_ON_SHOW (GLFW_VERSION_COMBINED >= 3300) // 3.3+ GLFW_FOCUS_ON_SHOW
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#define GLFW_HAS_MONITOR_WORK_AREA (GLFW_VERSION_COMBINED >= 3300) // 3.3+ glfwGetMonitorWorkarea
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#define GLFW_HAS_OSX_WINDOW_POS_FIX (GLFW_VERSION_COMBINED >= 3301) // 3.3.1+ Fixed: Resizing window repositions it on MacOS #1553
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#ifdef GLFW_RESIZE_NESW_CURSOR // Let's be nice to people who pulled GLFW between 2019-04-16 (3.4 define) and 2019-11-29 (cursors defines) // FIXME: Remove when GLFW 3.4 is released?
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#define GLFW_HAS_NEW_CURSORS (GLFW_VERSION_COMBINED >= 3400) // 3.4+ GLFW_RESIZE_ALL_CURSOR, GLFW_RESIZE_NESW_CURSOR, GLFW_RESIZE_NWSE_CURSOR, GLFW_NOT_ALLOWED_CURSOR
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#else
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#define GLFW_HAS_NEW_CURSORS (0)
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#endif
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#ifdef GLFW_MOUSE_PASSTHROUGH // Let's be nice to people who pulled GLFW between 2019-04-16 (3.4 define) and 2020-07-17 (passthrough)
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#define GLFW_HAS_MOUSE_PASSTHROUGH (GLFW_VERSION_COMBINED >= 3400) // 3.4+ GLFW_MOUSE_PASSTHROUGH
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#else
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#define GLFW_HAS_MOUSE_PASSTHROUGH (0)
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#endif
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#define GLFW_HAS_GAMEPAD_API (GLFW_VERSION_COMBINED >= 3300) // 3.3+ glfwGetGamepadState() new api
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#define GLFW_HAS_GETKEYNAME (GLFW_VERSION_COMBINED >= 3200) // 3.2+ glfwGetKeyName()
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#define GLFW_HAS_GETERROR (GLFW_VERSION_COMBINED >= 3300) // 3.3+ glfwGetError()
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@@ -149,7 +178,10 @@ struct ImGui_ImplGlfw_Data
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double Time;
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GLFWwindow* MouseWindow;
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GLFWcursor* MouseCursors[ImGuiMouseCursor_COUNT];
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bool MouseIgnoreButtonUpWaitForFocusLoss;
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bool MouseIgnoreButtonUp;
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ImVec2 LastValidMousePos;
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GLFWwindow* KeyOwnerWindows[GLFW_KEY_LAST];
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bool InstalledCallbacks;
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bool CallbacksChainForAllWindows;
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#ifdef EMSCRIPTEN_USE_EMBEDDED_GLFW3
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@@ -184,6 +216,11 @@ static ImGui_ImplGlfw_Data* ImGui_ImplGlfw_GetBackendData()
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return ImGui::GetCurrentContext() ? (ImGui_ImplGlfw_Data*)ImGui::GetIO().BackendPlatformUserData : nullptr;
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}
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// Forward Declarations
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static void ImGui_ImplGlfw_UpdateMonitors();
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static void ImGui_ImplGlfw_InitMultiViewportSupport();
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static void ImGui_ImplGlfw_ShutdownMultiViewportSupport();
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// Functions
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// Not static to allow third-party code to use that if they want to (but undocumented)
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@@ -217,6 +254,8 @@ ImGuiKey ImGui_ImplGlfw_KeyToImGuiKey(int keycode, int scancode)
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case GLFW_KEY_EQUAL: return ImGuiKey_Equal;
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case GLFW_KEY_LEFT_BRACKET: return ImGuiKey_LeftBracket;
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case GLFW_KEY_BACKSLASH: return ImGuiKey_Backslash;
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case GLFW_KEY_WORLD_1: return ImGuiKey_Oem102;
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case GLFW_KEY_WORLD_2: return ImGuiKey_Oem102;
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case GLFW_KEY_RIGHT_BRACKET: return ImGuiKey_RightBracket;
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case GLFW_KEY_GRAVE_ACCENT: return ImGuiKey_GraveAccent;
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case GLFW_KEY_CAPS_LOCK: return ImGuiKey_CapsLock;
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@@ -337,6 +376,10 @@ void ImGui_ImplGlfw_MouseButtonCallback(GLFWwindow* window, int button, int acti
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if (bd->PrevUserCallbackMousebutton != nullptr && ImGui_ImplGlfw_ShouldChainCallback(window))
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bd->PrevUserCallbackMousebutton(window, button, action, mods);
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// Workaround for Linux: ignore mouse up events which are following an focus loss following a viewport creation
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if (bd->MouseIgnoreButtonUp && action == GLFW_RELEASE)
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return;
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ImGui_ImplGlfw_UpdateKeyModifiers(window);
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ImGuiIO& io = ImGui::GetIO();
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@@ -404,6 +447,9 @@ void ImGui_ImplGlfw_KeyCallback(GLFWwindow* window, int keycode, int scancode, i
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ImGui_ImplGlfw_UpdateKeyModifiers(window);
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if (keycode >= 0 && keycode < IM_ARRAYSIZE(bd->KeyOwnerWindows))
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bd->KeyOwnerWindows[keycode] = (action == GLFW_PRESS) ? window : nullptr;
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keycode = ImGui_ImplGlfw_TranslateUntranslatedKey(keycode, scancode);
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ImGuiIO& io = ImGui::GetIO();
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@@ -418,6 +464,10 @@ void ImGui_ImplGlfw_WindowFocusCallback(GLFWwindow* window, int focused)
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if (bd->PrevUserCallbackWindowFocus != nullptr && ImGui_ImplGlfw_ShouldChainCallback(window))
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bd->PrevUserCallbackWindowFocus(window, focused);
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// Workaround for Linux: when losing focus with MouseIgnoreButtonUpWaitForFocusLoss set, we will temporarily ignore subsequent Mouse Up events
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bd->MouseIgnoreButtonUp = (bd->MouseIgnoreButtonUpWaitForFocusLoss && focused == 0);
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bd->MouseIgnoreButtonUpWaitForFocusLoss = false;
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ImGuiIO& io = ImGui::GetIO();
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io.AddFocusEvent(focused != 0);
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}
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@@ -429,6 +479,13 @@ void ImGui_ImplGlfw_CursorPosCallback(GLFWwindow* window, double x, double y)
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bd->PrevUserCallbackCursorPos(window, x, y);
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ImGuiIO& io = ImGui::GetIO();
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if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
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{
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int window_x, window_y;
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glfwGetWindowPos(window, &window_x, &window_y);
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x += window_x;
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y += window_y;
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}
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io.AddMousePosEvent((float)x, (float)y);
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bd->LastValidMousePos = ImVec2((float)x, (float)y);
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}
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@@ -467,7 +524,7 @@ void ImGui_ImplGlfw_CharCallback(GLFWwindow* window, unsigned int c)
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void ImGui_ImplGlfw_MonitorCallback(GLFWmonitor*, int)
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{
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// Unused in 'master' branch but 'docking' branch will use this, so we declare it ahead of it so if you have to install callbacks you can install this one too.
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// This function is technically part of the API even if we stopped using the callback, so leaving it around.
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}
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#ifdef EMSCRIPTEN_USE_EMBEDDED_GLFW3
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@@ -489,32 +546,7 @@ static EM_BOOL ImGui_ImplEmscripten_WheelCallback(int, const EmscriptenWheelEven
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#endif
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#ifdef _WIN32
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// GLFW doesn't allow to distinguish Mouse vs TouchScreen vs Pen.
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// Add support for Win32 (based on imgui_impl_win32), because we rely on _TouchScreen info to trickle inputs differently.
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static ImGuiMouseSource GetMouseSourceFromMessageExtraInfo()
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{
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LPARAM extra_info = ::GetMessageExtraInfo();
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if ((extra_info & 0xFFFFFF80) == 0xFF515700)
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return ImGuiMouseSource_Pen;
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if ((extra_info & 0xFFFFFF80) == 0xFF515780)
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return ImGuiMouseSource_TouchScreen;
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return ImGuiMouseSource_Mouse;
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}
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static LRESULT CALLBACK ImGui_ImplGlfw_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
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switch (msg)
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{
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case WM_MOUSEMOVE: case WM_NCMOUSEMOVE:
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case WM_LBUTTONDOWN: case WM_LBUTTONDBLCLK: case WM_LBUTTONUP:
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case WM_RBUTTONDOWN: case WM_RBUTTONDBLCLK: case WM_RBUTTONUP:
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case WM_MBUTTONDOWN: case WM_MBUTTONDBLCLK: case WM_MBUTTONUP:
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case WM_XBUTTONDOWN: case WM_XBUTTONDBLCLK: case WM_XBUTTONUP:
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ImGui::GetIO().AddMouseSourceEvent(GetMouseSourceFromMessageExtraInfo());
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break;
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}
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return ::CallWindowProcW(bd->PrevWndProc, hWnd, msg, wParam, lParam);
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}
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static LRESULT CALLBACK ImGui_ImplGlfw_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
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#endif
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void ImGui_ImplGlfw_InstallCallbacks(GLFWwindow* window)
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@@ -590,13 +622,25 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
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io.BackendPlatformName = "imgui_impl_glfw";
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io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
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io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used)
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#ifndef __EMSCRIPTEN__
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io.BackendFlags |= ImGuiBackendFlags_PlatformHasViewports; // We can create multi-viewports on the Platform side (optional)
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#endif
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#if GLFW_HAS_MOUSE_PASSTHROUGH || GLFW_HAS_WINDOW_HOVERED
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io.BackendFlags |= ImGuiBackendFlags_HasMouseHoveredViewport; // We can call io.AddMouseViewportEvent() with correct data (optional)
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#endif
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bd->Window = window;
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bd->Time = 0.0;
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ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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#if GLFW_VERSION_COMBINED < 3300
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platform_io.Platform_SetClipboardTextFn = [](ImGuiContext*, const char* text) { glfwSetClipboardString(ImGui_ImplGlfw_GetBackendData()->Window, text); };
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platform_io.Platform_GetClipboardTextFn = [](ImGuiContext*) { return glfwGetClipboardString(ImGui_ImplGlfw_GetBackendData()->Window); };
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#else
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platform_io.Platform_SetClipboardTextFn = [](ImGuiContext*, const char* text) { glfwSetClipboardString(nullptr, text); };
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platform_io.Platform_GetClipboardTextFn = [](ImGuiContext*) { return glfwGetClipboardString(nullptr); };
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#endif
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#ifdef __EMSCRIPTEN__
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platform_io.Platform_OpenInShellFn = [](ImGuiContext*, const char* url) { ImGui_ImplGlfw_EmscriptenOpenURL(url); return true; };
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#endif
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@@ -631,6 +675,11 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
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if (install_callbacks)
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ImGui_ImplGlfw_InstallCallbacks(window);
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// Update monitor a first time during init
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// (note: monitor callback are broken in GLFW 3.2 and earlier, see github.com/glfw/glfw/issues/784)
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ImGui_ImplGlfw_UpdateMonitors();
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glfwSetMonitorCallback(ImGui_ImplGlfw_MonitorCallback);
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// Set platform dependent data in viewport
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ImGuiViewport* main_viewport = ImGui::GetMainViewport();
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main_viewport->PlatformHandle = (void*)bd->Window;
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@@ -641,6 +690,7 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
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#else
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IM_UNUSED(main_viewport);
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#endif
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ImGui_ImplGlfw_InitMultiViewportSupport();
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// Windows: register a WndProc hook so we can intercept some messages.
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#ifdef _WIN32
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@@ -691,6 +741,8 @@ void ImGui_ImplGlfw_Shutdown()
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IM_ASSERT(bd != nullptr && "No platform backend to shutdown, or already shutdown?");
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ImGuiIO& io = ImGui::GetIO();
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ImGui_ImplGlfw_ShutdownMultiViewportSupport();
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if (bd->InstalledCallbacks)
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ImGui_ImplGlfw_RestoreCallbacks(bd->Window);
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#ifdef EMSCRIPTEN_USE_EMBEDDED_GLFW3
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@@ -710,7 +762,7 @@ void ImGui_ImplGlfw_Shutdown()
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io.BackendPlatformName = nullptr;
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io.BackendPlatformUserData = nullptr;
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io.BackendFlags &= ~(ImGuiBackendFlags_HasMouseCursors | ImGuiBackendFlags_HasSetMousePos | ImGuiBackendFlags_HasGamepad);
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io.BackendFlags &= ~(ImGuiBackendFlags_HasMouseCursors | ImGuiBackendFlags_HasSetMousePos | ImGuiBackendFlags_HasGamepad | ImGuiBackendFlags_PlatformHasViewports | ImGuiBackendFlags_HasMouseHoveredViewport);
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IM_DELETE(bd);
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}
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@@ -718,10 +770,15 @@ static void ImGui_ImplGlfw_UpdateMouseData()
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{
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ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
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ImGuiIO& io = ImGui::GetIO();
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ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
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// (those braces are here to reduce diff with multi-viewports support in 'docking' branch)
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ImGuiID mouse_viewport_id = 0;
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const ImVec2 mouse_pos_prev = io.MousePos;
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for (int n = 0; n < platform_io.Viewports.Size; n++)
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{
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GLFWwindow* window = bd->Window;
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ImGuiViewport* viewport = platform_io.Viewports[n];
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GLFWwindow* window = (GLFWwindow*)viewport->PlatformHandle;
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#ifdef EMSCRIPTEN_USE_EMBEDDED_GLFW3
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const bool is_window_focused = true;
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#else
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@@ -730,19 +787,54 @@ static void ImGui_ImplGlfw_UpdateMouseData()
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if (is_window_focused)
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{
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// (Optional) Set OS mouse position from Dear ImGui if requested (rarely used, only when io.ConfigNavMoveSetMousePos is enabled by user)
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// When multi-viewports are enabled, all Dear ImGui positions are same as OS positions.
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if (io.WantSetMousePos)
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glfwSetCursorPos(window, (double)io.MousePos.x, (double)io.MousePos.y);
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glfwSetCursorPos(window, (double)(mouse_pos_prev.x - viewport->Pos.x), (double)(mouse_pos_prev.y - viewport->Pos.y));
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// (Optional) Fallback to provide mouse position when focused (ImGui_ImplGlfw_CursorPosCallback already provides this when hovered or captured)
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if (bd->MouseWindow == nullptr)
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{
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double mouse_x, mouse_y;
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glfwGetCursorPos(window, &mouse_x, &mouse_y);
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if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
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{
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// Single viewport mode: mouse position in client window coordinates (io.MousePos is (0,0) when the mouse is on the upper-left corner of the app window)
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// Multi-viewport mode: mouse position in OS absolute coordinates (io.MousePos is (0,0) when the mouse is on the upper-left of the primary monitor)
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int window_x, window_y;
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glfwGetWindowPos(window, &window_x, &window_y);
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mouse_x += window_x;
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mouse_y += window_y;
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}
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bd->LastValidMousePos = ImVec2((float)mouse_x, (float)mouse_y);
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io.AddMousePosEvent((float)mouse_x, (float)mouse_y);
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}
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}
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// (Optional) When using multiple viewports: call io.AddMouseViewportEvent() with the viewport the OS mouse cursor is hovering.
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// If ImGuiBackendFlags_HasMouseHoveredViewport is not set by the backend, Dear imGui will ignore this field and infer the information using its flawed heuristic.
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// - [X] GLFW >= 3.3 backend ON WINDOWS ONLY does correctly ignore viewports with the _NoInputs flag (since we implement hit via our WndProc hook)
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// On other platforms we rely on the library fallbacking to its own search when reporting a viewport with _NoInputs flag.
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// - [!] GLFW <= 3.2 backend CANNOT correctly ignore viewports with the _NoInputs flag, and CANNOT reported Hovered Viewport because of mouse capture.
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// Some backend are not able to handle that correctly. If a backend report an hovered viewport that has the _NoInputs flag (e.g. when dragging a window
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// for docking, the viewport has the _NoInputs flag in order to allow us to find the viewport under), then Dear ImGui is forced to ignore the value reported
|
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// by the backend, and use its flawed heuristic to guess the viewport behind.
|
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// - [X] GLFW backend correctly reports this regardless of another viewport behind focused and dragged from (we need this to find a useful drag and drop target).
|
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// FIXME: This is currently only correct on Win32. See what we do below with the WM_NCHITTEST, missing an equivalent for other systems.
|
||||
// See https://github.com/glfw/glfw/issues/1236 if you want to help in making this a GLFW feature.
|
||||
#if GLFW_HAS_MOUSE_PASSTHROUGH
|
||||
const bool window_no_input = (viewport->Flags & ImGuiViewportFlags_NoInputs) != 0;
|
||||
glfwSetWindowAttrib(window, GLFW_MOUSE_PASSTHROUGH, window_no_input);
|
||||
#endif
|
||||
#if GLFW_HAS_MOUSE_PASSTHROUGH || GLFW_HAS_WINDOW_HOVERED
|
||||
if (glfwGetWindowAttrib(window, GLFW_HOVERED))
|
||||
mouse_viewport_id = viewport->ID;
|
||||
#else
|
||||
// We cannot use bd->MouseWindow maintained from CursorEnter/Leave callbacks, because it is locked to the window capturing mouse.
|
||||
#endif
|
||||
}
|
||||
|
||||
if (io.BackendFlags & ImGuiBackendFlags_HasMouseHoveredViewport)
|
||||
io.AddMouseViewportEvent(mouse_viewport_id);
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_UpdateMouseCursor()
|
||||
@@ -753,9 +845,10 @@ static void ImGui_ImplGlfw_UpdateMouseCursor()
|
||||
return;
|
||||
|
||||
ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor();
|
||||
// (those braces are here to reduce diff with multi-viewports support in 'docking' branch)
|
||||
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
|
||||
for (int n = 0; n < platform_io.Viewports.Size; n++)
|
||||
{
|
||||
GLFWwindow* window = bd->Window;
|
||||
GLFWwindow* window = (GLFWwindow*)platform_io.Viewports[n]->PlatformHandle;
|
||||
if (imgui_cursor == ImGuiMouseCursor_None || io.MouseDrawCursor)
|
||||
{
|
||||
// Hide OS mouse cursor if imgui is drawing it or if it wants no cursor
|
||||
@@ -824,6 +917,48 @@ static void ImGui_ImplGlfw_UpdateGamepads()
|
||||
#undef MAP_ANALOG
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_UpdateMonitors()
|
||||
{
|
||||
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
|
||||
|
||||
int monitors_count = 0;
|
||||
GLFWmonitor** glfw_monitors = glfwGetMonitors(&monitors_count);
|
||||
if (monitors_count == 0) // Preserve existing monitor list if there are none. Happens on macOS sleeping (#5683)
|
||||
return;
|
||||
|
||||
platform_io.Monitors.resize(0);
|
||||
for (int n = 0; n < monitors_count; n++)
|
||||
{
|
||||
ImGuiPlatformMonitor monitor;
|
||||
int x, y;
|
||||
glfwGetMonitorPos(glfw_monitors[n], &x, &y);
|
||||
const GLFWvidmode* vid_mode = glfwGetVideoMode(glfw_monitors[n]);
|
||||
if (vid_mode == nullptr)
|
||||
continue; // Failed to get Video mode (e.g. Emscripten does not support this function)
|
||||
monitor.MainPos = monitor.WorkPos = ImVec2((float)x, (float)y);
|
||||
monitor.MainSize = monitor.WorkSize = ImVec2((float)vid_mode->width, (float)vid_mode->height);
|
||||
#if GLFW_HAS_MONITOR_WORK_AREA
|
||||
int w, h;
|
||||
glfwGetMonitorWorkarea(glfw_monitors[n], &x, &y, &w, &h);
|
||||
if (w > 0 && h > 0) // Workaround a small GLFW issue reporting zero on monitor changes: https://github.com/glfw/glfw/pull/1761
|
||||
{
|
||||
monitor.WorkPos = ImVec2((float)x, (float)y);
|
||||
monitor.WorkSize = ImVec2((float)w, (float)h);
|
||||
}
|
||||
#endif
|
||||
#if GLFW_HAS_PER_MONITOR_DPI
|
||||
// Warning: the validity of monitor DPI information on Windows depends on the application DPI awareness settings, which generally needs to be set in the manifest or at runtime.
|
||||
float x_scale, y_scale;
|
||||
glfwGetMonitorContentScale(glfw_monitors[n], &x_scale, &y_scale);
|
||||
if (x_scale == 0.0f)
|
||||
continue; // Some accessibility applications are declaring virtual monitors with a DPI of 0, see #7902.
|
||||
monitor.DpiScale = x_scale;
|
||||
#endif
|
||||
monitor.PlatformHandle = (void*)glfw_monitors[n]; // [...] GLFW doc states: "guaranteed to be valid only until the monitor configuration changes"
|
||||
platform_io.Monitors.push_back(monitor);
|
||||
}
|
||||
}
|
||||
|
||||
void ImGui_ImplGlfw_NewFrame()
|
||||
{
|
||||
ImGuiIO& io = ImGui::GetIO();
|
||||
@@ -838,6 +973,7 @@ void ImGui_ImplGlfw_NewFrame()
|
||||
io.DisplaySize = ImVec2((float)w, (float)h);
|
||||
if (w > 0 && h > 0)
|
||||
io.DisplayFramebufferScale = ImVec2((float)display_w / (float)w, (float)display_h / (float)h);
|
||||
ImGui_ImplGlfw_UpdateMonitors();
|
||||
|
||||
// Setup time step
|
||||
// (Accept glfwGetTime() not returning a monotonically increasing value. Seems to happens on disconnecting peripherals and probably on VMs and Emscripten, see #6491, #6189, #6114, #3644)
|
||||
@@ -847,6 +983,7 @@ void ImGui_ImplGlfw_NewFrame()
|
||||
io.DeltaTime = bd->Time > 0.0 ? (float)(current_time - bd->Time) : (float)(1.0f / 60.0f);
|
||||
bd->Time = current_time;
|
||||
|
||||
bd->MouseIgnoreButtonUp = false;
|
||||
ImGui_ImplGlfw_UpdateMouseData();
|
||||
ImGui_ImplGlfw_UpdateMouseCursor();
|
||||
|
||||
@@ -916,6 +1053,404 @@ void ImGui_ImplGlfw_InstallEmscriptenCallbacks(GLFWwindow* window, const char* c
|
||||
}
|
||||
#endif // #ifdef EMSCRIPTEN_USE_PORT_CONTRIB_GLFW3
|
||||
|
||||
|
||||
//--------------------------------------------------------------------------------------------------------
|
||||
// MULTI-VIEWPORT / PLATFORM INTERFACE SUPPORT
|
||||
// This is an _advanced_ and _optional_ feature, allowing the backend to create and handle multiple viewports simultaneously.
|
||||
// If you are new to dear imgui or creating a new binding for dear imgui, it is recommended that you completely ignore this section first..
|
||||
//--------------------------------------------------------------------------------------------------------
|
||||
|
||||
// Helper structure we store in the void* PlatformUserData field of each ImGuiViewport to easily retrieve our backend data.
|
||||
struct ImGui_ImplGlfw_ViewportData
|
||||
{
|
||||
GLFWwindow* Window; // Stored in ImGuiViewport::PlatformHandle
|
||||
bool WindowOwned;
|
||||
int IgnoreWindowPosEventFrame;
|
||||
int IgnoreWindowSizeEventFrame;
|
||||
#ifdef _WIN32
|
||||
WNDPROC PrevWndProc;
|
||||
#endif
|
||||
|
||||
ImGui_ImplGlfw_ViewportData() { memset((void*)this, 0, sizeof(*this)); IgnoreWindowSizeEventFrame = IgnoreWindowPosEventFrame = -1; }
|
||||
~ImGui_ImplGlfw_ViewportData() { IM_ASSERT(Window == nullptr); }
|
||||
};
|
||||
|
||||
static void ImGui_ImplGlfw_WindowCloseCallback(GLFWwindow* window)
|
||||
{
|
||||
if (ImGuiViewport* viewport = ImGui::FindViewportByPlatformHandle(window))
|
||||
viewport->PlatformRequestClose = true;
|
||||
}
|
||||
|
||||
// GLFW may dispatch window pos/size events after calling glfwSetWindowPos()/glfwSetWindowSize().
|
||||
// However: depending on the platform the callback may be invoked at different time:
|
||||
// - on Windows it appears to be called within the glfwSetWindowPos()/glfwSetWindowSize() call
|
||||
// - on Linux it is queued and invoked during glfwPollEvents()
|
||||
// Because the event doesn't always fire on glfwSetWindowXXX() we use a frame counter tag to only
|
||||
// ignore recent glfwSetWindowXXX() calls.
|
||||
static void ImGui_ImplGlfw_WindowPosCallback(GLFWwindow* window, int, int)
|
||||
{
|
||||
if (ImGuiViewport* viewport = ImGui::FindViewportByPlatformHandle(window))
|
||||
{
|
||||
if (ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData)
|
||||
{
|
||||
bool ignore_event = (ImGui::GetFrameCount() <= vd->IgnoreWindowPosEventFrame + 1);
|
||||
//data->IgnoreWindowPosEventFrame = -1;
|
||||
if (ignore_event)
|
||||
return;
|
||||
}
|
||||
viewport->PlatformRequestMove = true;
|
||||
}
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_WindowSizeCallback(GLFWwindow* window, int, int)
|
||||
{
|
||||
if (ImGuiViewport* viewport = ImGui::FindViewportByPlatformHandle(window))
|
||||
{
|
||||
if (ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData)
|
||||
{
|
||||
bool ignore_event = (ImGui::GetFrameCount() <= vd->IgnoreWindowSizeEventFrame + 1);
|
||||
//data->IgnoreWindowSizeEventFrame = -1;
|
||||
if (ignore_event)
|
||||
return;
|
||||
}
|
||||
viewport->PlatformRequestResize = true;
|
||||
}
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_CreateWindow(ImGuiViewport* viewport)
|
||||
{
|
||||
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
|
||||
ImGui_ImplGlfw_ViewportData* vd = IM_NEW(ImGui_ImplGlfw_ViewportData)();
|
||||
viewport->PlatformUserData = vd;
|
||||
|
||||
// Workaround for Linux: ignore mouse up events corresponding to losing focus of the previously focused window (#7733, #3158, #7922)
|
||||
#ifdef __linux__
|
||||
bd->MouseIgnoreButtonUpWaitForFocusLoss = true;
|
||||
#endif
|
||||
|
||||
// GLFW 3.2 unfortunately always set focus on glfwCreateWindow() if GLFW_VISIBLE is set, regardless of GLFW_FOCUSED
|
||||
// With GLFW 3.3, the hint GLFW_FOCUS_ON_SHOW fixes this problem
|
||||
glfwWindowHint(GLFW_VISIBLE, false);
|
||||
glfwWindowHint(GLFW_FOCUSED, false);
|
||||
#if GLFW_HAS_FOCUS_ON_SHOW
|
||||
glfwWindowHint(GLFW_FOCUS_ON_SHOW, false);
|
||||
#endif
|
||||
glfwWindowHint(GLFW_DECORATED, (viewport->Flags & ImGuiViewportFlags_NoDecoration) ? false : true);
|
||||
#if GLFW_HAS_WINDOW_TOPMOST
|
||||
glfwWindowHint(GLFW_FLOATING, (viewport->Flags & ImGuiViewportFlags_TopMost) ? true : false);
|
||||
#endif
|
||||
GLFWwindow* share_window = (bd->ClientApi == GlfwClientApi_OpenGL) ? bd->Window : nullptr;
|
||||
vd->Window = glfwCreateWindow((int)viewport->Size.x, (int)viewport->Size.y, "No Title Yet", nullptr, share_window);
|
||||
vd->WindowOwned = true;
|
||||
viewport->PlatformHandle = (void*)vd->Window;
|
||||
#ifdef _WIN32
|
||||
viewport->PlatformHandleRaw = glfwGetWin32Window(vd->Window);
|
||||
#elif defined(__APPLE__)
|
||||
viewport->PlatformHandleRaw = (void*)glfwGetCocoaWindow(vd->Window);
|
||||
#endif
|
||||
glfwSetWindowPos(vd->Window, (int)viewport->Pos.x, (int)viewport->Pos.y);
|
||||
|
||||
// Install GLFW callbacks for secondary viewports
|
||||
glfwSetWindowFocusCallback(vd->Window, ImGui_ImplGlfw_WindowFocusCallback);
|
||||
glfwSetCursorEnterCallback(vd->Window, ImGui_ImplGlfw_CursorEnterCallback);
|
||||
glfwSetCursorPosCallback(vd->Window, ImGui_ImplGlfw_CursorPosCallback);
|
||||
glfwSetMouseButtonCallback(vd->Window, ImGui_ImplGlfw_MouseButtonCallback);
|
||||
glfwSetScrollCallback(vd->Window, ImGui_ImplGlfw_ScrollCallback);
|
||||
glfwSetKeyCallback(vd->Window, ImGui_ImplGlfw_KeyCallback);
|
||||
glfwSetCharCallback(vd->Window, ImGui_ImplGlfw_CharCallback);
|
||||
glfwSetWindowCloseCallback(vd->Window, ImGui_ImplGlfw_WindowCloseCallback);
|
||||
glfwSetWindowPosCallback(vd->Window, ImGui_ImplGlfw_WindowPosCallback);
|
||||
glfwSetWindowSizeCallback(vd->Window, ImGui_ImplGlfw_WindowSizeCallback);
|
||||
if (bd->ClientApi == GlfwClientApi_OpenGL)
|
||||
{
|
||||
glfwMakeContextCurrent(vd->Window);
|
||||
glfwSwapInterval(0);
|
||||
}
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_DestroyWindow(ImGuiViewport* viewport)
|
||||
{
|
||||
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
|
||||
if (ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData)
|
||||
{
|
||||
if (vd->WindowOwned)
|
||||
{
|
||||
#if !GLFW_HAS_MOUSE_PASSTHROUGH && GLFW_HAS_WINDOW_HOVERED && defined(_WIN32)
|
||||
HWND hwnd = (HWND)viewport->PlatformHandleRaw;
|
||||
::RemovePropA(hwnd, "IMGUI_VIEWPORT");
|
||||
#endif
|
||||
|
||||
// Release any keys that were pressed in the window being destroyed and are still held down,
|
||||
// because we will not receive any release events after window is destroyed.
|
||||
for (int i = 0; i < IM_ARRAYSIZE(bd->KeyOwnerWindows); i++)
|
||||
if (bd->KeyOwnerWindows[i] == vd->Window)
|
||||
ImGui_ImplGlfw_KeyCallback(vd->Window, i, 0, GLFW_RELEASE, 0); // Later params are only used for main viewport, on which this function is never called.
|
||||
|
||||
glfwDestroyWindow(vd->Window);
|
||||
}
|
||||
vd->Window = nullptr;
|
||||
IM_DELETE(vd);
|
||||
}
|
||||
viewport->PlatformUserData = viewport->PlatformHandle = nullptr;
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_ShowWindow(ImGuiViewport* viewport)
|
||||
{
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
|
||||
#if defined(_WIN32)
|
||||
// GLFW hack: Hide icon from task bar
|
||||
HWND hwnd = (HWND)viewport->PlatformHandleRaw;
|
||||
if (viewport->Flags & ImGuiViewportFlags_NoTaskBarIcon)
|
||||
{
|
||||
LONG ex_style = ::GetWindowLong(hwnd, GWL_EXSTYLE);
|
||||
ex_style &= ~WS_EX_APPWINDOW;
|
||||
ex_style |= WS_EX_TOOLWINDOW;
|
||||
::SetWindowLong(hwnd, GWL_EXSTYLE, ex_style);
|
||||
}
|
||||
|
||||
// GLFW hack: install hook for WM_NCHITTEST message handler
|
||||
#if !GLFW_HAS_MOUSE_PASSTHROUGH && GLFW_HAS_WINDOW_HOVERED && defined(_WIN32)
|
||||
::SetPropA(hwnd, "IMGUI_VIEWPORT", viewport);
|
||||
vd->PrevWndProc = (WNDPROC)::GetWindowLongPtrW(hwnd, GWLP_WNDPROC);
|
||||
::SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONG_PTR)ImGui_ImplGlfw_WndProc);
|
||||
#endif
|
||||
|
||||
#if !GLFW_HAS_FOCUS_ON_SHOW
|
||||
// GLFW hack: GLFW 3.2 has a bug where glfwShowWindow() also activates/focus the window.
|
||||
// The fix was pushed to GLFW repository on 2018/01/09 and should be included in GLFW 3.3 via a GLFW_FOCUS_ON_SHOW window attribute.
|
||||
// See https://github.com/glfw/glfw/issues/1189
|
||||
// FIXME-VIEWPORT: Implement same work-around for Linux/OSX in the meanwhile.
|
||||
if (viewport->Flags & ImGuiViewportFlags_NoFocusOnAppearing)
|
||||
{
|
||||
::ShowWindow(hwnd, SW_SHOWNA);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
glfwShowWindow(vd->Window);
|
||||
}
|
||||
|
||||
static ImVec2 ImGui_ImplGlfw_GetWindowPos(ImGuiViewport* viewport)
|
||||
{
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
int x = 0, y = 0;
|
||||
glfwGetWindowPos(vd->Window, &x, &y);
|
||||
return ImVec2((float)x, (float)y);
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_SetWindowPos(ImGuiViewport* viewport, ImVec2 pos)
|
||||
{
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
vd->IgnoreWindowPosEventFrame = ImGui::GetFrameCount();
|
||||
glfwSetWindowPos(vd->Window, (int)pos.x, (int)pos.y);
|
||||
}
|
||||
|
||||
static ImVec2 ImGui_ImplGlfw_GetWindowSize(ImGuiViewport* viewport)
|
||||
{
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
int w = 0, h = 0;
|
||||
glfwGetWindowSize(vd->Window, &w, &h);
|
||||
return ImVec2((float)w, (float)h);
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_SetWindowSize(ImGuiViewport* viewport, ImVec2 size)
|
||||
{
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
#if __APPLE__ && !GLFW_HAS_OSX_WINDOW_POS_FIX
|
||||
// Native OS windows are positioned from the bottom-left corner on macOS, whereas on other platforms they are
|
||||
// positioned from the upper-left corner. GLFW makes an effort to convert macOS style coordinates, however it
|
||||
// doesn't handle it when changing size. We are manually moving the window in order for changes of size to be based
|
||||
// on the upper-left corner.
|
||||
int x, y, width, height;
|
||||
glfwGetWindowPos(vd->Window, &x, &y);
|
||||
glfwGetWindowSize(vd->Window, &width, &height);
|
||||
glfwSetWindowPos(vd->Window, x, y - height + size.y);
|
||||
#endif
|
||||
vd->IgnoreWindowSizeEventFrame = ImGui::GetFrameCount();
|
||||
glfwSetWindowSize(vd->Window, (int)size.x, (int)size.y);
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_SetWindowTitle(ImGuiViewport* viewport, const char* title)
|
||||
{
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
glfwSetWindowTitle(vd->Window, title);
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_SetWindowFocus(ImGuiViewport* viewport)
|
||||
{
|
||||
#if GLFW_HAS_FOCUS_WINDOW
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
glfwFocusWindow(vd->Window);
|
||||
#else
|
||||
// FIXME: What are the effect of not having this function? At the moment imgui doesn't actually call SetWindowFocus - we set that up ahead, will answer that question later.
|
||||
(void)viewport;
|
||||
#endif
|
||||
}
|
||||
|
||||
static bool ImGui_ImplGlfw_GetWindowFocus(ImGuiViewport* viewport)
|
||||
{
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
return glfwGetWindowAttrib(vd->Window, GLFW_FOCUSED) != 0;
|
||||
}
|
||||
|
||||
static bool ImGui_ImplGlfw_GetWindowMinimized(ImGuiViewport* viewport)
|
||||
{
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
return glfwGetWindowAttrib(vd->Window, GLFW_ICONIFIED) != 0;
|
||||
}
|
||||
|
||||
#if GLFW_HAS_WINDOW_ALPHA
|
||||
static void ImGui_ImplGlfw_SetWindowAlpha(ImGuiViewport* viewport, float alpha)
|
||||
{
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
glfwSetWindowOpacity(vd->Window, alpha);
|
||||
}
|
||||
#endif
|
||||
|
||||
static void ImGui_ImplGlfw_RenderWindow(ImGuiViewport* viewport, void*)
|
||||
{
|
||||
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
if (bd->ClientApi == GlfwClientApi_OpenGL)
|
||||
glfwMakeContextCurrent(vd->Window);
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_SwapBuffers(ImGuiViewport* viewport, void*)
|
||||
{
|
||||
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
if (bd->ClientApi == GlfwClientApi_OpenGL)
|
||||
{
|
||||
glfwMakeContextCurrent(vd->Window);
|
||||
glfwSwapBuffers(vd->Window);
|
||||
}
|
||||
}
|
||||
|
||||
//--------------------------------------------------------------------------------------------------------
|
||||
// Vulkan support (the Vulkan renderer needs to call a platform-side support function to create the surface)
|
||||
//--------------------------------------------------------------------------------------------------------
|
||||
|
||||
// Avoid including <vulkan.h> so we can build without it
|
||||
#if GLFW_HAS_VULKAN
|
||||
#ifndef VULKAN_H_
|
||||
#define VK_DEFINE_HANDLE(object) typedef struct object##_T* object;
|
||||
#if defined(__LP64__) || defined(_WIN64) || defined(__x86_64__) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__)
|
||||
#define VK_DEFINE_NON_DISPATCHABLE_HANDLE(object) typedef struct object##_T *object;
|
||||
#else
|
||||
#define VK_DEFINE_NON_DISPATCHABLE_HANDLE(object) typedef uint64_t object;
|
||||
#endif
|
||||
VK_DEFINE_HANDLE(VkInstance)
|
||||
VK_DEFINE_NON_DISPATCHABLE_HANDLE(VkSurfaceKHR)
|
||||
struct VkAllocationCallbacks;
|
||||
enum VkResult { VK_RESULT_MAX_ENUM = 0x7FFFFFFF };
|
||||
#endif // VULKAN_H_
|
||||
extern "C" { extern GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance, GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface); }
|
||||
static int ImGui_ImplGlfw_CreateVkSurface(ImGuiViewport* viewport, ImU64 vk_instance, const void* vk_allocator, ImU64* out_vk_surface)
|
||||
{
|
||||
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
|
||||
ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData;
|
||||
IM_UNUSED(bd);
|
||||
IM_ASSERT(bd->ClientApi == GlfwClientApi_Vulkan);
|
||||
VkResult err = glfwCreateWindowSurface((VkInstance)vk_instance, vd->Window, (const VkAllocationCallbacks*)vk_allocator, (VkSurfaceKHR*)out_vk_surface);
|
||||
return (int)err;
|
||||
}
|
||||
#endif // GLFW_HAS_VULKAN
|
||||
|
||||
static void ImGui_ImplGlfw_InitMultiViewportSupport()
|
||||
{
|
||||
// Register platform interface (will be coupled with a renderer interface)
|
||||
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
|
||||
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
|
||||
platform_io.Platform_CreateWindow = ImGui_ImplGlfw_CreateWindow;
|
||||
platform_io.Platform_DestroyWindow = ImGui_ImplGlfw_DestroyWindow;
|
||||
platform_io.Platform_ShowWindow = ImGui_ImplGlfw_ShowWindow;
|
||||
platform_io.Platform_SetWindowPos = ImGui_ImplGlfw_SetWindowPos;
|
||||
platform_io.Platform_GetWindowPos = ImGui_ImplGlfw_GetWindowPos;
|
||||
platform_io.Platform_SetWindowSize = ImGui_ImplGlfw_SetWindowSize;
|
||||
platform_io.Platform_GetWindowSize = ImGui_ImplGlfw_GetWindowSize;
|
||||
platform_io.Platform_SetWindowFocus = ImGui_ImplGlfw_SetWindowFocus;
|
||||
platform_io.Platform_GetWindowFocus = ImGui_ImplGlfw_GetWindowFocus;
|
||||
platform_io.Platform_GetWindowMinimized = ImGui_ImplGlfw_GetWindowMinimized;
|
||||
platform_io.Platform_SetWindowTitle = ImGui_ImplGlfw_SetWindowTitle;
|
||||
platform_io.Platform_RenderWindow = ImGui_ImplGlfw_RenderWindow;
|
||||
platform_io.Platform_SwapBuffers = ImGui_ImplGlfw_SwapBuffers;
|
||||
#if GLFW_HAS_WINDOW_ALPHA
|
||||
platform_io.Platform_SetWindowAlpha = ImGui_ImplGlfw_SetWindowAlpha;
|
||||
#endif
|
||||
#if GLFW_HAS_VULKAN
|
||||
platform_io.Platform_CreateVkSurface = ImGui_ImplGlfw_CreateVkSurface;
|
||||
#endif
|
||||
|
||||
// Register main window handle (which is owned by the main application, not by us)
|
||||
// This is mostly for simplicity and consistency, so that our code (e.g. mouse handling etc.) can use same logic for main and secondary viewports.
|
||||
ImGuiViewport* main_viewport = ImGui::GetMainViewport();
|
||||
ImGui_ImplGlfw_ViewportData* vd = IM_NEW(ImGui_ImplGlfw_ViewportData)();
|
||||
vd->Window = bd->Window;
|
||||
vd->WindowOwned = false;
|
||||
main_viewport->PlatformUserData = vd;
|
||||
main_viewport->PlatformHandle = (void*)bd->Window;
|
||||
}
|
||||
|
||||
static void ImGui_ImplGlfw_ShutdownMultiViewportSupport()
|
||||
{
|
||||
ImGui::DestroyPlatformWindows();
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
// WndProc hook (declared here because we will need access to ImGui_ImplGlfw_ViewportData)
|
||||
#ifdef _WIN32
|
||||
static ImGuiMouseSource GetMouseSourceFromMessageExtraInfo()
|
||||
{
|
||||
LPARAM extra_info = ::GetMessageExtraInfo();
|
||||
if ((extra_info & 0xFFFFFF80) == 0xFF515700)
|
||||
return ImGuiMouseSource_Pen;
|
||||
if ((extra_info & 0xFFFFFF80) == 0xFF515780)
|
||||
return ImGuiMouseSource_TouchScreen;
|
||||
return ImGuiMouseSource_Mouse;
|
||||
}
|
||||
static LRESULT CALLBACK ImGui_ImplGlfw_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
||||
{
|
||||
ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData();
|
||||
WNDPROC prev_wndproc = bd->PrevWndProc;
|
||||
ImGuiViewport* viewport = (ImGuiViewport*)::GetPropA(hWnd, "IMGUI_VIEWPORT");
|
||||
if (viewport != NULL)
|
||||
if (ImGui_ImplGlfw_ViewportData* vd = (ImGui_ImplGlfw_ViewportData*)viewport->PlatformUserData)
|
||||
prev_wndproc = vd->PrevWndProc;
|
||||
|
||||
switch (msg)
|
||||
{
|
||||
// GLFW doesn't allow to distinguish Mouse vs TouchScreen vs Pen.
|
||||
// Add support for Win32 (based on imgui_impl_win32), because we rely on _TouchScreen info to trickle inputs differently.
|
||||
case WM_MOUSEMOVE: case WM_NCMOUSEMOVE:
|
||||
case WM_LBUTTONDOWN: case WM_LBUTTONDBLCLK: case WM_LBUTTONUP:
|
||||
case WM_RBUTTONDOWN: case WM_RBUTTONDBLCLK: case WM_RBUTTONUP:
|
||||
case WM_MBUTTONDOWN: case WM_MBUTTONDBLCLK: case WM_MBUTTONUP:
|
||||
case WM_XBUTTONDOWN: case WM_XBUTTONDBLCLK: case WM_XBUTTONUP:
|
||||
ImGui::GetIO().AddMouseSourceEvent(GetMouseSourceFromMessageExtraInfo());
|
||||
break;
|
||||
|
||||
// We have submitted https://github.com/glfw/glfw/pull/1568 to allow GLFW to support "transparent inputs".
|
||||
// In the meanwhile we implement custom per-platform workarounds here (FIXME-VIEWPORT: Implement same work-around for Linux/OSX!)
|
||||
#if !GLFW_HAS_MOUSE_PASSTHROUGH && GLFW_HAS_WINDOW_HOVERED
|
||||
case WM_NCHITTEST:
|
||||
{
|
||||
// Let mouse pass-through the window. This will allow the backend to call io.AddMouseViewportEvent() properly (which is OPTIONAL).
|
||||
// The ImGuiViewportFlags_NoInputs flag is set while dragging a viewport, as want to detect the window behind the one we are dragging.
|
||||
// If you cannot easily access those viewport flags from your windowing/event code: you may manually synchronize its state e.g. in
|
||||
// your main loop after calling UpdatePlatformWindows(). Iterate all viewports/platform windows and pass the flag to your windowing system.
|
||||
if (viewport && (viewport->Flags & ImGuiViewportFlags_NoInputs))
|
||||
return HTTRANSPARENT;
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
return ::CallWindowProcW(prev_wndproc, hWnd, msg, wParam, lParam);
|
||||
}
|
||||
#endif // #ifdef _WIN32
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
#if defined(__clang__)
|
||||
|
||||
Reference in New Issue
Block a user