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Disabled: nested tooltips or other non-child window within a BeginDisabled() block disable the disabled state. (#211, #7640)

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ocornut 2024-05-31 18:13:25 +02:00
parent e47015aef4
commit f953ebf9ca
4 changed files with 44 additions and 3 deletions
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40
imgui.cpp
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@ -6648,6 +6648,11 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// [EXPERIMENTAL] Skip Refresh mode
UpdateWindowSkipRefresh(window);
// Nested root windows (typically tooltips) override disabled state
if (window->RootWindow == window)
if ((window->DC.BackupItemDisabled = (g.CurrentItemFlags & ImGuiItemFlags_Disabled) != 0))
BeginDisabledOverrideReenable();
// We intentionally set g.CurrentWindow to NULL to prevent usage until when the viewport is set, then will call SetCurrentWindow()
g.CurrentWindow = NULL;
@ -7259,6 +7264,8 @@ void ImGui::End()
if (!window->SkipRefresh)
PopClipRect(); // Inner window clip rectangle
PopFocusScope();
if (window->RootWindow == window && window->DC.BackupItemDisabled)
EndDisabledOverrideReenable();
if (window->SkipRefresh)
{
@ -7523,7 +7530,7 @@ void ImGui::BeginDisabled(bool disabled)
}
if (was_disabled || disabled)
g.CurrentItemFlags |= ImGuiItemFlags_Disabled;
g.ItemFlagsStack.push_back(g.CurrentItemFlags);
g.ItemFlagsStack.push_back(g.CurrentItemFlags); // FIXME-OPT: can we simply skip this and use DisabledStackSize?
g.DisabledStackSize++;
}
@ -7540,6 +7547,29 @@ void ImGui::EndDisabled()
g.Style.Alpha = g.DisabledAlphaBackup; //PopStyleVar();
}
// Could have been called BeginDisabledDisable() but it didn't want to be award nominated for most awkward function name.
// Ideally we would use a shared e.g. BeginDisabled()->BeginDisabledEx() but earlier needs to be optimal.
// The whole code for this is awkward, will reevaluate if we find a way to implement SetNextItemDisabled().
void ImGui::BeginDisabledOverrideReenable()
{
ImGuiContext& g = *GImGui;
IM_ASSERT(g.CurrentItemFlags & ImGuiItemFlags_Disabled);
g.Style.Alpha = g.DisabledAlphaBackup;
g.CurrentItemFlags &= ~ImGuiItemFlags_Disabled;
g.ItemFlagsStack.push_back(g.CurrentItemFlags);
g.DisabledStackSize++;
}
void ImGui::EndDisabledOverrideReenable()
{
ImGuiContext& g = *GImGui;
g.DisabledStackSize--;
IM_ASSERT(g.DisabledStackSize > 0);
g.ItemFlagsStack.pop_back();
g.CurrentItemFlags = g.ItemFlagsStack.back();
g.Style.Alpha = g.DisabledAlphaBackup * g.Style.DisabledAlpha;
}
void ImGui::PushTabStop(bool tab_stop)
{
PushItemFlag(ImGuiItemFlags_NoTabStop, !tab_stop);
@ -9995,7 +10025,13 @@ void ImGui::ErrorCheckEndWindowRecover(ImGuiErrorLogCallback log_callback, vo
while (g.DisabledStackSize > stack_sizes->SizeOfDisabledStack) //-V1044
{
if (log_callback) log_callback(user_data, "Recovered from missing EndDisabled() in '%s'", window->Name);
EndDisabled();
if (g.CurrentItemFlags & ImGuiItemFlags_Disabled)
EndDisabled();
else
{
EndDisabledOverrideReenable();
window->DC.BackupItemDisabled = false;
}
}
while (g.ColorStack.Size > stack_sizes->SizeOfColorStack)
{