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Internals: Moved CalcItemSize next to CalcItemWidth, added comments to clarify their respective intent. Should have no side effect.
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240dddff87
commit
9d4a893a77
31
imgui.cpp
31
imgui.cpp
@ -2973,19 +2973,6 @@ void ImGui::FocusableItemUnregister(ImGuiWindow* window)
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window->DC.FocusCounterTab--;
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}
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ImVec2 ImGui::CalcItemSize(ImVec2 size, float default_x, float default_y)
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{
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ImGuiContext& g = *GImGui;
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ImVec2 content_max;
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if (size.x < 0.0f || size.y < 0.0f)
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content_max = g.CurrentWindow->Pos + GetContentRegionMax();
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if (size.x <= 0.0f)
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size.x = (size.x == 0.0f) ? default_x : ImMax(content_max.x - g.CurrentWindow->DC.CursorPos.x, 4.0f) + size.x;
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if (size.y <= 0.0f)
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size.y = (size.y == 0.0f) ? default_y : ImMax(content_max.y - g.CurrentWindow->DC.CursorPos.y, 4.0f) + size.y;
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return size;
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}
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float ImGui::CalcWrapWidthForPos(const ImVec2& pos, float wrap_pos_x)
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{
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if (wrap_pos_x < 0.0f)
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@ -5785,13 +5772,13 @@ void ImGui::PopItemWidth()
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window->DC.ItemWidth = window->DC.ItemWidthStack.empty() ? window->ItemWidthDefault : window->DC.ItemWidthStack.back();
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}
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// Calculate default item width given value passed to PushItemWidth()
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float ImGui::CalcItemWidth()
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{
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ImGuiWindow* window = GetCurrentWindowRead();
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float w = window->DC.ItemWidth;
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if (w < 0.0f)
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{
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// Align to a right-side limit. We include 1 frame padding in the calculation because this is how the width is always used (we add 2 frame padding to it), but we could move that responsibility to the widget as well.
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float width_to_right_edge = GetContentRegionAvail().x;
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w = ImMax(1.0f, width_to_right_edge + w);
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}
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@ -5799,6 +5786,22 @@ float ImGui::CalcItemWidth()
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return w;
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}
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// [Internal] Calculate full item size given user provided 'size' parameter and default width/height. Default width is often == CalcItemWidth().
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// Those two functions CalcItemWidth vs CalcItemSize are awkwardly named because they are not fully symmetrical.
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// Note that only CalcItemWidth() is publicly exposed.
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ImVec2 ImGui::CalcItemSize(ImVec2 size, float default_w, float default_h)
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{
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ImGuiWindow* window = GetCurrentWindowRead();
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ImVec2 content_max;
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if (size.x < 0.0f || size.y < 0.0f)
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content_max = window->Pos + GetContentRegionMax();
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if (size.x <= 0.0f)
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size.x = (size.x == 0.0f) ? default_w : ImMax(content_max.x - window->DC.CursorPos.x, 4.0f) + size.x;
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if (size.y <= 0.0f)
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size.y = (size.y == 0.0f) ? default_h : ImMax(content_max.y - window->DC.CursorPos.y, 4.0f) + size.y;
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return size;
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}
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void ImGui::SetCurrentFont(ImFont* font)
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{
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ImGuiContext& g = *GImGui;
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@ -1438,7 +1438,7 @@ namespace ImGui
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IMGUI_API bool IsClippedEx(const ImRect& bb, ImGuiID id, bool clip_even_when_logged);
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IMGUI_API bool FocusableItemRegister(ImGuiWindow* window, ImGuiID id); // Return true if focus is requested
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IMGUI_API void FocusableItemUnregister(ImGuiWindow* window);
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IMGUI_API ImVec2 CalcItemSize(ImVec2 size, float default_x, float default_y);
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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 = 0.0f);
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IMGUI_API void PushItemFlag(ImGuiItemFlags option, bool enabled);
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@ -5440,6 +5440,9 @@ bool ImGui::Selectable(const char* label, bool* p_selected, ImGuiSelectableFlags
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// - ListBoxHeader()
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// - ListBoxFooter()
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//-------------------------------------------------------------------------
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// FIXME: This is an old API. We should redesign some of it, rename ListBoxHeader->BeginListBox, ListBoxFooter->EndListBox
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// and promote using them over existing ListBox() functions, similarly to change with combo boxes.
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//-------------------------------------------------------------------------
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// FIXME: In principle this function should be called BeginListBox(). We should rename it after re-evaluating if we want to keep the same signature.
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// Helper to calculate the size of a listbox and display a label on the right.
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