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Viewport, Platform: Fixed IME positioning for multi-viewport. Moved API from ImGuiIO to ImGuiPlatformIO. Because it is extremely unlikely to people redefined this API manually the moving-forward-breakage is ok. (#1542)

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SDL2 ime support under Win32 never worked properly because of SDL interferences.
This commit is contained in:
omar
2018-04-24 12:40:38 +02:00
parent 376f2aec54
commit cb78e62df9
8 changed files with 79 additions and 70 deletions
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32
examples/imgui_impl_win32.cpp
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@ -76,8 +76,6 @@ bool ImGui_ImplWin32_Init(void* hwnd)
io.KeyMap[ImGuiKey_Y] = 'Y';
io.KeyMap[ImGuiKey_Z] = 'Z';
io.ImeWindowHandle = g_hWnd;
return true;
}
@ -279,7 +277,7 @@ IMGUI_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wPa
return 0;
}
// --------------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------
// DPI handling
// Those in theory should be simple calls but Windows has multiple ways to handle DPI, and most of them
// require recent Windows versions at runtime or recent Windows SDK at compile-time. Neither we want to depend on.
@ -370,9 +368,30 @@ float ImGui_ImplWin32_GetDpiScaleForRect(int x1, int y1, int x2, int y2)
return ImGui_ImplWin32_GetDpiScaleForMonitor(monitor);
}
// --------------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------
// IME (Input Method Editor) basic support for e.g. Asian language users
//--------------------------------------------------------------------------------------------------------
#if defined(_WIN32) && !defined(IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS) && !defined(__GNUC__)
#define HAS_WIN32_IME 1
#include <imm.h>
#ifdef _MSC_VER
#pragma comment(lib, "imm32")
#endif
static void ImGui_ImplWin32_SetImeInputPos(ImGuiViewport* viewport, ImVec2 pos)
{
COMPOSITIONFORM cf = { CFS_FORCE_POSITION,{ (LONG)(pos.x - viewport->Pos.x), (LONG)(pos.y - viewport->Pos.y) },{ 0, 0, 0, 0 } };
if (HWND hwnd = (HWND)viewport->PlatformHandle)
if (HIMC himc = ImmGetContext(hwnd))
ImmSetCompositionWindow(himc, &cf);
}
#else
#define HAS_WIN32_IME 0
#endif
//--------------------------------------------------------------------------------------------------------
// Platform Windows
// --------------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------------
struct ImGuiViewportDataWin32
{
@ -625,6 +644,9 @@ static void ImGui_ImplWin32_InitPlatformInterface()
platform_io.Platform_SetWindowAlpha = ImGui_ImplWin32_SetWindowAlpha;
platform_io.Platform_GetWindowDpiScale = ImGui_ImplWin32_GetWindowDpiScale;
platform_io.Platform_OnChangedViewport = ImGui_ImplWin32_OnChangedViewport; // FIXME-DPI
#if HAS_WIN32_IME
platform_io.Platform_SetImeInputPos = ImGui_ImplWin32_SetImeInputPos;
#endif
// Register main window handle (which is owned by the main application, not by us)
ImGuiViewport* main_viewport = ImGui::GetMainViewport();