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Combo: amends for ImGuiComboFlags_WidthFitPreview. (#6881)

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Amend 112d8fc
This commit is contained in:
ocornut 2023-10-09 11:34:05 +02:00
parent 112d8fc41d
commit feddcf3030
4 changed files with 9 additions and 5 deletions
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1
docs/CHANGELOG.txt
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@ -118,6 +118,7 @@ Other changes:
be accepted by the widget when navigation highlight is visible. (#6802, #3092, #5759, #787) be accepted by the widget when navigation highlight is visible. (#6802, #3092, #5759, #787)
- BeginGroup(): Fixed a bug pushing line lower extent too far down when called after a call - BeginGroup(): Fixed a bug pushing line lower extent too far down when called after a call
to SameLine() followed by manual cursor manipulation. to SameLine() followed by manual cursor manipulation.
- BeginCombo(): Added ImGuiComboFlags_WidthFitPreview flag. (#6881) [@mpv-enjoyer]
- BeginListBox(): Fixed not consuming SetNextWindowXXX data when returning false. - BeginListBox(): Fixed not consuming SetNextWindowXXX data when returning false.
- Menus: Fixed a bug where activating an item in a child-menu and dragging mouse over the - Menus: Fixed a bug where activating an item in a child-menu and dragging mouse over the
parent-menu would erroneously close the child-menu. (Regression from 1.88). (#6869) parent-menu would erroneously close the child-menu. (Regression from 1.88). (#6869)

2
imgui.h
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@ -1115,7 +1115,7 @@ enum ImGuiComboFlags_
ImGuiComboFlags_HeightLargest = 1 << 4, // As many fitting items as possible ImGuiComboFlags_HeightLargest = 1 << 4, // As many fitting items as possible
ImGuiComboFlags_NoArrowButton = 1 << 5, // Display on the preview box without the square arrow button ImGuiComboFlags_NoArrowButton = 1 << 5, // Display on the preview box without the square arrow button
ImGuiComboFlags_NoPreview = 1 << 6, // Display only a square arrow button ImGuiComboFlags_NoPreview = 1 << 6, // Display only a square arrow button
ImGuiComboFlags_WidthFitPreview = 1 << 7, // Dynamic width depending on current selected element ImGuiComboFlags_WidthFitPreview = 1 << 7, // Width dynamically calculated from preview contents
ImGuiComboFlags_HeightMask_ = ImGuiComboFlags_HeightSmall | ImGuiComboFlags_HeightRegular | ImGuiComboFlags_HeightLarge | ImGuiComboFlags_HeightLargest, ImGuiComboFlags_HeightMask_ = ImGuiComboFlags_HeightSmall | ImGuiComboFlags_HeightRegular | ImGuiComboFlags_HeightLarge | ImGuiComboFlags_HeightLargest,
}; };

5
imgui_demo.cpp
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@ -1190,11 +1190,12 @@ static void ShowDemoWindowWidgets()
static ImGuiComboFlags flags = 0; static ImGuiComboFlags flags = 0;
ImGui::CheckboxFlags("ImGuiComboFlags_PopupAlignLeft", &flags, ImGuiComboFlags_PopupAlignLeft); ImGui::CheckboxFlags("ImGuiComboFlags_PopupAlignLeft", &flags, ImGuiComboFlags_PopupAlignLeft);
ImGui::SameLine(); HelpMarker("Only makes a difference if the popup is larger than the combo"); ImGui::SameLine(); HelpMarker("Only makes a difference if the popup is larger than the combo");
ImGui::CheckboxFlags("ImGuiComboFlags_WidthFitPreview", &flags, ImGuiComboFlags_WidthFitPreview);
if (ImGui::CheckboxFlags("ImGuiComboFlags_NoArrowButton", &flags, ImGuiComboFlags_NoArrowButton)) if (ImGui::CheckboxFlags("ImGuiComboFlags_NoArrowButton", &flags, ImGuiComboFlags_NoArrowButton))
flags &= ~ImGuiComboFlags_NoPreview; // Clear the other flag, as we cannot combine both flags &= ~ImGuiComboFlags_NoPreview; // Clear the other flag, as we cannot combine both
if (ImGui::CheckboxFlags("ImGuiComboFlags_NoPreview", &flags, ImGuiComboFlags_NoPreview)) if (ImGui::CheckboxFlags("ImGuiComboFlags_NoPreview", &flags, ImGuiComboFlags_NoPreview))
flags &= ~ImGuiComboFlags_NoArrowButton; // Clear the other flag, as we cannot combine both flags &= ~(ImGuiComboFlags_NoArrowButton | ImGuiComboFlags_WidthFitPreview); // Clear the other flag, as we cannot combine both
if (ImGui::CheckboxFlags("ImGuiComboFlags_WidthFitPreview", &flags, ImGuiComboFlags_WidthFitPreview))
flags &= ~ImGuiComboFlags_NoPreview;
// Using the generic BeginCombo() API, you have full control over how to display the combo contents. // Using the generic BeginCombo() API, you have full control over how to display the combo contents.
// (your selection data could be an index, a pointer to the object, an id for the object, a flag intrusively // (your selection data could be an index, a pointer to the object, an id for the object, a flag intrusively

6
imgui_widgets.cpp
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@ -1683,11 +1683,13 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
const ImGuiStyle& style = g.Style; const ImGuiStyle& style = g.Style;
const ImGuiID id = window->GetID(label); const ImGuiID id = window->GetID(label);
IM_ASSERT((flags & (ImGuiComboFlags_NoArrowButton | ImGuiComboFlags_NoPreview)) != (ImGuiComboFlags_NoArrowButton | ImGuiComboFlags_NoPreview)); // Can't use both flags together IM_ASSERT((flags & (ImGuiComboFlags_NoArrowButton | ImGuiComboFlags_NoPreview)) != (ImGuiComboFlags_NoArrowButton | ImGuiComboFlags_NoPreview)); // Can't use both flags together
if (flags & ImGuiComboFlags_WidthFitPreview)
IM_ASSERT((flags & (ImGuiComboFlags_NoPreview | ImGuiComboFlags_CustomPreview)) == 0);
const float arrow_size = (flags & ImGuiComboFlags_NoArrowButton) ? 0.0f : GetFrameHeight(); const float arrow_size = (flags & ImGuiComboFlags_NoArrowButton) ? 0.0f : GetFrameHeight();
const ImVec2 label_size = CalcTextSize(label, NULL, true); const ImVec2 label_size = CalcTextSize(label, NULL, true);
const float preview_width = (preview_value != nullptr) ? CalcTextSize(preview_value, NULL, true).x : 0.0f; const float preview_width = ((flags & ImGuiComboFlags_WidthFitPreview) && (preview_value != NULL)) ? CalcTextSize(preview_value, NULL, true).x : 0.0f;
const float w = (flags & ImGuiComboFlags_NoPreview) ? arrow_size : ((flags & ImGuiComboFlags_WidthFitPreview) ? arrow_size + preview_width + style.ItemInnerSpacing.x * 2.0f : CalcItemWidth()); const float w = (flags & ImGuiComboFlags_NoPreview) ? arrow_size : ((flags & ImGuiComboFlags_WidthFitPreview) ? (arrow_size + preview_width + style.FramePadding.x * 2.0f) : CalcItemWidth());
const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2.0f)); const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2.0f));
const ImRect total_bb(bb.Min, bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f)); const ImRect total_bb(bb.Min, bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));
ItemSize(total_bb, style.FramePadding.y); ItemSize(total_bb, style.FramePadding.y);