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PushDisabled(): added bool + clarify support for stacked disabled (#211)
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03ca38eda1
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11
imgui.cpp
11
imgui.cpp
@ -6592,24 +6592,27 @@ void ImGui::PopItemFlag()
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}
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// PushDisabled()/PopDisabled()
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// - Those can be nested but this cannot be used to enable an already disabled section (a single PushDisabled(true) in the stack is enough to keep things disabled)
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// - Those are not yet exposed in imgui.h because we are unsure of how to alter the style in a way that works for everyone.
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// We may rework this. Hypothetically, a future styling system may set a flag which make widgets use different colors.
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// - Feedback welcome at https://github.com/ocornut/imgui/issues/211
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// - You may trivially implement your own variation of this if needed.
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// Here we test (CurrentItemFlags & ImGuiItemFlags_Disabled) to allow nested PushDisabled() calls.
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void ImGui::PushDisabled()
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void ImGui::PushDisabled(bool disabled)
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{
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ImGuiContext& g = *GImGui;
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if ((g.CurrentItemFlags & ImGuiItemFlags_Disabled) == 0)
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bool was_disabled = (g.CurrentItemFlags & ImGuiItemFlags_Disabled) != 0;
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if (!was_disabled && disabled)
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PushStyleVar(ImGuiStyleVar_Alpha, g.Style.Alpha * 0.6f);
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PushItemFlag(ImGuiItemFlags_Disabled, true);
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PushItemFlag(ImGuiItemFlags_Disabled, was_disabled || disabled);
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}
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void ImGui::PopDisabled()
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{
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ImGuiContext& g = *GImGui;
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bool was_disabled = (g.CurrentItemFlags & ImGuiItemFlags_Disabled) != 0;
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PopItemFlag();
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if ((g.CurrentItemFlags & ImGuiItemFlags_Disabled) == 0)
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if (was_disabled && (g.CurrentItemFlags & ImGuiItemFlags_Disabled) == 0)
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PopStyleVar();
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}
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@ -733,14 +733,14 @@ struct ImDrawDataBuilder
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enum ImGuiItemFlags_
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{
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ImGuiItemFlags_None = 0,
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ImGuiItemFlags_NoTabStop = 1 << 0, // false
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ImGuiItemFlags_ButtonRepeat = 1 << 1, // false // Button() will return true multiple times based on io.KeyRepeatDelay and io.KeyRepeatRate settings.
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ImGuiItemFlags_Disabled = 1 << 2, // false // [BETA] Disable interactions but doesn't affect visuals yet. See github.com/ocornut/imgui/issues/211
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ImGuiItemFlags_NoNav = 1 << 3, // false
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ImGuiItemFlags_NoNavDefaultFocus = 1 << 4, // false
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ImGuiItemFlags_SelectableDontClosePopup = 1 << 5, // false // MenuItem/Selectable() automatically closes current Popup window
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ImGuiItemFlags_MixedValue = 1 << 6, // false // [BETA] Represent a mixed/indeterminate value, generally multi-selection where values differ. Currently only supported by Checkbox() (later should support all sorts of widgets)
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ImGuiItemFlags_ReadOnly = 1 << 7 // false // [ALPHA] Allow hovering interactions but underlying value is not changed.
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ImGuiItemFlags_NoTabStop = 1 << 0, // false // Disable keyboard tabbing (FIXME: should merge with _NoNav)
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ImGuiItemFlags_ButtonRepeat = 1 << 1, // false // Button() will return true multiple times based on io.KeyRepeatDelay and io.KeyRepeatRate settings.
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ImGuiItemFlags_Disabled = 1 << 2, // false // Disable interactions but doesn't affect visuals. See PushDisabled()/PushDisabled(). See github.com/ocornut/imgui/issues/211
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ImGuiItemFlags_NoNav = 1 << 3, // false // Disable keyboard/gamepad directional navigation (FIXME: should merge with _NoTabStop)
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ImGuiItemFlags_NoNavDefaultFocus = 1 << 4, // false // Disable item being a candidate for default focus (e.g. used by title bar items)
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ImGuiItemFlags_SelectableDontClosePopup = 1 << 5, // false // Disable MenuItem/Selectable() automatically closing their popup window
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ImGuiItemFlags_MixedValue = 1 << 6, // false // [BETA] Represent a mixed/indeterminate value, generally multi-selection where values differ. Currently only supported by Checkbox() (later should support all sorts of widgets)
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ImGuiItemFlags_ReadOnly = 1 << 7 // false // [ALPHA] Allow hovering interactions but underlying value is not changed.
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};
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// Flags for ItemAdd()
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@ -2405,14 +2405,16 @@ namespace ImGui
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IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_w, float default_h);
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IMGUI_API float CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x);
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IMGUI_API void PushMultiItemsWidths(int components, float width_full);
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IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled);
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IMGUI_API void PopItemFlag();
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IMGUI_API void PushDisabled();
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IMGUI_API void PopDisabled();
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IMGUI_API bool IsItemToggledSelection(); // Was the last item selection toggled? (after Selectable(), TreeNode() etc. We only returns toggle _event_ in order to handle clipping correctly)
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IMGUI_API ImVec2 GetContentRegionMaxAbs();
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IMGUI_API void ShrinkWidths(ImGuiShrinkWidthItem* items, int count, float width_excess);
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// Parameter stacks
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IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled);
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IMGUI_API void PopItemFlag();
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IMGUI_API void PushDisabled(bool disabled = true);
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IMGUI_API void PopDisabled();
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#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
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// If you have old/custom copy-and-pasted widgets that used FocusableItemRegister():
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// (Old) IMGUI_VERSION_NUM < 18209: using 'ItemAdd(....)' and 'bool focused = FocusableItemRegister(...)'
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