diff --git a/imgui.cpp b/imgui.cpp index c0fa2fb92..da5c5c3f6 100644 --- a/imgui.cpp +++ b/imgui.cpp @@ -6818,6 +6818,8 @@ static void ImGui::ErrorCheckBeginEndCompareStacksSize(ImGuiWindow* window, bool //----------------------------------------------------------------------------- // Advance cursor given item size for layout. +// Register minimum needed size so it can extend the bounding box used for auto-fit calculation. +// See comments in ItemAdd() about how/why the size provided to ItemSize() vs ItemAdd() may often different. void ImGui::ItemSize(const ImVec2& size, float text_baseline_y) { ImGuiContext& g = *GImGui; @@ -6858,7 +6860,7 @@ void ImGui::ItemSize(const ImRect& bb, float text_baseline_y) // Declare item bounding box for clipping and interaction. // Note that the size can be different than the one provided to ItemSize(). Typically, widgets that spread over available surface -// declare their minimum size requirement to ItemSize() and then use a larger region for drawing/interaction, which is passed to ItemAdd(). +// declare their minimum size requirement to ItemSize() and provide a larger region to ItemAdd() which is used drawing/interaction. bool ImGui::ItemAdd(const ImRect& bb, ImGuiID id, const ImRect* nav_bb_arg) { ImGuiContext& g = *GImGui; diff --git a/imgui_internal.h b/imgui_internal.h index bb13be00b..c4a327452 100644 --- a/imgui_internal.h +++ b/imgui_internal.h @@ -494,7 +494,7 @@ enum ImGuiSelectableFlagsPrivate_ ImGuiSelectableFlags_NoHoldingActiveID = 1 << 20, ImGuiSelectableFlags_SelectOnClick = 1 << 21, // Override button behavior to react on Click (default is Click+Release) ImGuiSelectableFlags_SelectOnRelease = 1 << 22, // Override button behavior to react on Release (default is Click+Release) - ImGuiSelectableFlags_DrawFillAvailWidth = 1 << 23, // FIXME: We may be able to remove this (added in 6251d379 for menus) + ImGuiSelectableFlags_DrawFillAvailWidth = 1 << 23, // Draw over all avail width even if we declared less for layout. FIXME: We may be able to remove this (added in 6251d379, 2bcafc86 for menus) ImGuiSelectableFlags_DrawHoveredWhenHeld= 1 << 24, // Always show active when held, even is not hovered. This concept could probably be renamed/formalized somehow. ImGuiSelectableFlags_SetNavIdOnHover = 1 << 25 }; diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp index a8f723801..5d246994f 100644 --- a/imgui_widgets.cpp +++ b/imgui_widgets.cpp @@ -5578,15 +5578,11 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl ImRect bb_inner(pos, pos + size); ItemSize(size, 0.0f); - // Fill horizontal space. - ImVec2 window_padding = window->WindowPadding; - float max_x = (flags & ImGuiSelectableFlags_SpanAllColumns) ? GetWindowContentRegionMax().x + window->Pos.x : GetContentRegionMaxAbs().x; - float w_draw = ImMax(label_size.x, max_x - window_padding.x - pos.x); - ImVec2 size_draw((size_arg.x != 0 && !(flags & ImGuiSelectableFlags_DrawFillAvailWidth)) ? size_arg.x : w_draw, size.y); - - ImRect bb_align(pos, pos + size_draw); + // Fill horizontal space + const float max_x = (flags & ImGuiSelectableFlags_SpanAllColumns) ? GetWindowContentRegionMax().x + window->Pos.x : GetContentRegionMaxAbs().x; if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_DrawFillAvailWidth)) - bb_align.Max.x += window_padding.x; + size.x = ImMax(label_size.x, max_x - window->WindowPadding.x - pos.x) + window->WindowPadding.x; + ImRect bb_align(pos, pos + size); // Selectables are meant to be tightly packed together with no click-gap, so we extend the box to cover spacing between selectable. ImRect bb_enlarged = bb_align; @@ -6228,10 +6224,12 @@ bool ImGui::BeginMenu(const char* label, bool enabled) else { // Menu inside a menu + // (In a typical menu window where all items are BeginMenu() or MenuItem() calls, extra_w will always be 0.0f. + // Only when they are other items sticking out we're going to add spacing, yet only register minimum width into the layout system. popup_pos = ImVec2(pos.x, pos.y - style.WindowPadding.y); - float w = window->DC.MenuColumns.DeclColumns(label_size.x, 0.0f, IM_FLOOR(g.FontSize * 1.20f)); // Feedback to next frame - float extra_w = ImMax(0.0f, GetContentRegionAvail().x - w); - pressed = Selectable(label, menu_is_open, ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_SelectOnClick | ImGuiSelectableFlags_DontClosePopups | ImGuiSelectableFlags_DrawFillAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(w, 0.0f)); + float min_w = window->DC.MenuColumns.DeclColumns(label_size.x, 0.0f, IM_FLOOR(g.FontSize * 1.20f)); // Feedback to next frame + float extra_w = ImMax(0.0f, GetContentRegionAvail().x - min_w); + pressed = Selectable(label, menu_is_open, ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_SelectOnClick | ImGuiSelectableFlags_DontClosePopups | ImGuiSelectableFlags_DrawFillAvailWidth | (!enabled ? ImGuiSelectableFlags_Disabled : 0), ImVec2(min_w, 0.0f)); ImU32 text_col = GetColorU32(enabled ? ImGuiCol_Text : ImGuiCol_TextDisabled); RenderArrow(window->DrawList, pos + ImVec2(window->DC.MenuColumns.Pos[2] + extra_w + g.FontSize * 0.30f, 0.0f), text_col, ImGuiDir_Right); } @@ -6376,11 +6374,14 @@ bool ImGui::MenuItem(const char* label, const char* shortcut, bool selected, boo } else { - ImVec2 shortcut_size = shortcut ? CalcTextSize(shortcut, NULL) : ImVec2(0.0f, 0.0f); - float w = window->DC.MenuColumns.DeclColumns(label_size.x, shortcut_size.x, IM_FLOOR(g.FontSize * 1.20f)); // Feedback for next frame - float extra_w = ImMax(0.0f, GetContentRegionAvail().x - w); - pressed = Selectable(label, false, flags | ImGuiSelectableFlags_DrawFillAvailWidth, ImVec2(w, 0.0f)); - if (shortcut_size.x > 0.0f) + // Menu item inside a vertical menu + // (In a typical menu window where all items are BeginMenu() or MenuItem() calls, extra_w will always be 0.0f. + // Only when they are other items sticking out we're going to add spacing, yet only register minimum width into the layout system. + float shortcut_w = shortcut ? CalcTextSize(shortcut, NULL).x : 0.0f; + float min_w = window->DC.MenuColumns.DeclColumns(label_size.x, shortcut_w, IM_FLOOR(g.FontSize * 1.20f)); // Feedback for next frame + float extra_w = ImMax(0.0f, GetContentRegionAvail().x - min_w); + pressed = Selectable(label, false, flags | ImGuiSelectableFlags_DrawFillAvailWidth, ImVec2(min_w, 0.0f)); + if (shortcut_w > 0.0f) { PushStyleColor(ImGuiCol_Text, g.Style.Colors[ImGuiCol_TextDisabled]); RenderText(pos + ImVec2(window->DC.MenuColumns.Pos[1] + extra_w, 0.0f), shortcut, NULL, false);