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InputTextEx: do not set WantTextInputNextFrame during the frame Input…#6341

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InputTextEx: do not set WantTextInputNextFrame during the frame Input…#6341
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@lukaasm lukaasm commented Apr 17, 2023

…Text is deactivated

Currently, when InputText is active and is forced to be deactivated with Enter/Escape key it still requests WantTextInputNextFrame to be set for the next frame which makes WantTextInput flag to linger one frame longer than it needs to.

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ocornut commented Apr 17, 2023

Thanks! This looks correct but out of curiosity could you clarify how/why this was a problem for you ?

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lukaasm commented Apr 17, 2023 •
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Yes, when making modal dialogs that are "acceptable" with Enter key I was looking for a way to allow/handle that even when single/multi-line InputText was active, I found a "way" where I can handle Esc/Enter keys without side-effects when WantTextInputNextFrame is 0 at the moment of key press check

//! Draw dialog content
ImGui::InputText( "##input1", ... )

...
other widgets
... 

//! Draw dialog buttons
const bool textInputRequested = ImGui::GetCurrentContext()->WantTextInputNextFrame >= 1;

auto result = DialogResult::None;
if ( ImGui::Button( "OK" ) || ( !textInputRequested && ImGui::IsKeyPressed( ImGuiKey_Enter ) ) )
    result = DialogResult::Ok;
     
if ( ImGui::Button( "Cancel" ) || ( !textInputRequested && ImGui::IsKeyPressed( ImGuiKey_Escape ) ) )
    result = DialogResult::Cancel;
     
 return result;

Without this fix, a double Enter press is needed to 'Accept' dialog.

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ocornut commented Apr 17, 2023

I am not sure I understand wgy you aren’t using eg GetActiveID() == 0 or GetActiveID() != GetID(“##input1”); ?

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lukaasm commented Apr 17, 2023

Because it is a "generic" DrawDialogButtons function that doesn't know about surrounding widgets, so checking for every possible InputText is not possible.

Pseudocode:

DrawTableFromReflection()

auto result = DrawDialogButtons(DialogButtons::YesNoCancel)

And GetActiveID() != 0 is not an option because I want to allow to accept/dismiss dialog even if user is for ex. dragging numeric slider with the mouse or has another active widget that doesn't require the capture of TextInput

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ocornut commented Apr 17, 2023

I see.

You can use the Input Owner aware variant of GetKeyPressed() (currently in imgui_internal.h) specifying an owner id of ImGuiKeyOwner_None and you’ll only get the key if no one is claiming it, which may be a little more correct.
In Metrics>Inputs you can see the input owner of specific key and chords.

Either way I’ll merge your PR soon (not in front of a computer atm).

@ocornut ocornut added the inputs label Apr 17, 2023
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lukaasm commented Apr 17, 2023

You can use the Input Owner aware variant of GetKeyPressed() (currently in imgui_internal.h) specifying an owner id of ImGuiKeyOwner_None and you’ll only get the key if no one is claiming it, which may be a little more correct.
In Metrics>Inputs you can see the input owner of specific key and chords.

Thanks, I will look into it

ocornut pushed a commit that referenced this pull request Apr 18, 2023
@lukaasm @ocornut
InputText: do not set WantTextInputNextFrame during the frame InputTe…
0948cfc 
…xt is deactivated. (#6341)
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ocornut commented Apr 18, 2023

Merged as 0948cfc, thank you!
I'd be interesting if you can use the new input-owner aware API instead to solve your problem!
(Those API are intended to become public at some point in the future)

@ocornut ocornut closed this Apr 18, 2023
ocornut added a commit that referenced this pull request Apr 22, 2025
@ocornut
Platform IME: added ImGuiPlatformImeData::WantTextInput, ViewportId. …
bf0f586 
…Backends: SDL3: honor WantTextInput. (#8584, #7492, #6341)
ocornut added a commit that referenced this pull request May 23, 2025
@ocornut
Platform IME: Fixed multi-viewports IME support, affecting SDL backen…
346f5c6 
…ds. (#8648, #8584, #7492, #6341)

Regression from merging bf0f586
lobotomy-x added a commit to lobotomy-x/imgui that referenced this pull request Jul 3, 2025
@lobotomy-x
Merge remote-tracking branch 'origin/docking-dev' into Subdock
c4106be 
* origin/docking-dev: (1059 commits)
  Backends: Vulkan: Fix failing assertion for platforms where viewports are not supported (ocornut#8734)
  Backends: GLFW: Fixed not installing WndProc hook in all GLFW version, so AddMouseSourceEvent() logic was missing for some viewports.
  Backends: GLFW: Fixed crash when using GLFW 3.3 (ocornut#8713, ocornut#8676, ocornut#8239, ocornut#8069)
  Backends: warning fixes (for docking branch).
  Backends: GLFW: amend for multi-context support with multi-viewport. (ocornut#8676, ocornut#8239, ocornut#8069)
  Backends: OSX: ImGui_ImplOSX_HandleEvent() only process event for window containing our viewports. Amend 7ac99a4 for docking. (ocornut#8644)
  Fixed duplicate symbols in some compile-time configurations.
  Fonts: Misc merge fixes.
  Examples: set ConfigDpiScaleFonts / ConfigDpiScaleViewports in all examples already setup for scaling.
  Backends: GLFW, SDL2, SDL3, update for docking to use helpers.
  (Breaking) renamed/moved ImGuiConfigFlags_DpiEnableScaleFonts -> ioConfigDpiScaleFonts, ImGuiConfigFlags_DpiEnableScaleViewports -> io.ConfigDpiScaleViewports
  Backends: Win32: Viewports: handle WM_DPICHANGED in backend when ImGuiConfigFlags_DpiEnableScaleViewports flag is enabled.
  Viewports: fixed handling of simultaneous move + resize (e.g. toggling maximized) when ImGuiConfigFlags_DpiEnableScaleViewports is enabled.
  Refactor: move SetCurrentFont(), PushFont(), PopFont() to a section.
  Platform IME: Fixed multi-viewports IME support, affecting SDL backends. (ocornut#8648, ocornut#8584, ocornut#7492, ocornut#6341)
  Viewports: added per-viewport FramebufferScale, Platform_GetWindowFramebufferScale() + Backends: GLFW, SDL2, SDL3, Apple: added support. (ocornut#1065, ocornut#1542, ocornut#1676, ocornut#1786, ocornut#2826, ocornut#3757, ocornut#5081, ocornut#5580, ocornut#5592, ocornut#6465, ocornut#7273, ocornut#7779 etc.) )
  Backends: OSX: rename internal struct for consistency with other backends.
  Viewports: fallback DpiScale pulled from fallback Monitor for consistency.
  Backends: Vulkan: fixed build with VK_NO_PROTOTYPES.
  Backends: Vulkan: fixed validation errors during window detach in multi-viewport mode. [docking branch amend] (ocornut#8600, ocornut#8176)
  ...
@ocornut ocornut mentioned this pull request Dec 17, 2025
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@lukaasm @ocornut