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Platform IME: reworked internals to simplify adding new features.

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This commit is contained in:
ocornut 2022-01-05 13:15:49 +01:00
parent 3a90dc3893
commit 2706c9d66e
3 changed files with 11 additions and 13 deletions
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15
imgui.cpp
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@ -4146,7 +4146,9 @@ void ImGui::NewFrame()
g.MouseCursor = ImGuiMouseCursor_Arrow;
g.WantCaptureMouseNextFrame = g.WantCaptureKeyboardNextFrame = g.WantTextInputNextFrame = -1;
g.PlatformImePos = ImVec2(1.0f, 1.0f); // OS Input Method Editor showing on top-left of our window by default
// Platform IME data: reset for the frame
g.PlatformImeDataPrev = g.PlatformImeData;
// Mouse wheel scrolling, scale
UpdateMouseWheel();
@ -4552,14 +4554,9 @@ void ImGui::EndFrame()
ErrorCheckEndFrameSanityChecks();
// Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME)
if (g.IO.SetPlatformImeDataFn && (g.PlatformImeLastPos.x == FLT_MAX || ImLengthSqr(g.PlatformImeLastPos - g.PlatformImePos) > 0.0001f))
{
ImGuiPlatformImeData data;
data.InputPos = g.PlatformImePos;
g.IO.SetPlatformImeDataFn(GetMainViewport(), &data);
g.PlatformImeLastPos = g.PlatformImePos;
}
// Notify Platform/OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME)
if (g.IO.SetPlatformImeDataFn && memcmp(&g.PlatformImeData, &g.PlatformImeDataPrev, sizeof(ImGuiPlatformImeData)) != 0)
g.IO.SetPlatformImeDataFn(GetMainViewport(), &g.PlatformImeData);
// Hide implicit/fallback "Debug" window if it hasn't been used
g.WithinFrameScopeWithImplicitWindow = false;

7
imgui_internal.h
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@ -1705,8 +1705,8 @@ struct ImGuiContext
ImVector<ImGuiID> MenusIdSubmittedThisFrame; // A list of menu IDs that were rendered at least once
// Platform support
ImVec2 PlatformImePos; // Cursor position request & last passed to the OS Input Method Editor
ImVec2 PlatformImeLastPos;
ImGuiPlatformImeData PlatformImeData; // Data updated by current frame
ImGuiPlatformImeData PlatformImeDataPrev; // Previous frame data (when changing we will call io.SetPlatformImeDataFn
char PlatformLocaleDecimalPoint; // '.' or *localeconv()->decimal_point
// Settings
@ -1870,7 +1870,8 @@ struct ImGuiContext
TooltipOverrideCount = 0;
TooltipSlowDelay = 0.50f;
PlatformImePos = PlatformImeLastPos = ImVec2(FLT_MAX, FLT_MAX);
PlatformImeData.InputPos = ImVec2(0.0f, 0.0f);
PlatformImeDataPrev.InputPos = ImVec2(-1.0f, -1.0f); // Different to ensure initial submission
PlatformLocaleDecimalPoint = '.';
SettingsLoaded = false;

2
imgui_widgets.cpp
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@ -4760,7 +4760,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
// Notify OS of text input position for advanced IME (-1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety.)
if (!is_readonly)
g.PlatformImePos = ImVec2(cursor_screen_pos.x - 1.0f, cursor_screen_pos.y - g.FontSize);
g.PlatformImeData.InputPos = ImVec2(cursor_screen_pos.x - 1.0f, cursor_screen_pos.y - g.FontSize);
}
}
else