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Selectable: Clarifying the code around use of ImGuiSelectableFlags_DrawFillAvailWidth (with intent of trying to remove it).

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Amend old 6251d379, 2bcafc86
This commit is contained in:
omar
2020-03-26 16:58:24 +01:00
parent 7c11997bcc
commit b4d1287011
3 changed files with 21 additions and 18 deletions
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33
imgui_widgets.cpp
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@ -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);