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Selectable: Allow using ImGuiSelectableFlags_SpanAllColumns in other columns than first. Comments. (#125)

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omar
2020-03-26 20:15:44 +01:00
parent 5be5add1ad
commit ec2a24a5f1
6 changed files with 26 additions and 14 deletions
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16
imgui_widgets.cpp
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@ -5558,6 +5558,8 @@ bool ImGui::CollapsingHeader(const char* label, bool* p_open, ImGuiTreeNodeFlags
// Tip: pass a non-visible label (e.g. "##dummy") then you can use the space to draw other text or image.
// But you need to make sure the ID is unique, e.g. enclose calls in PushID/PopID or use ##unique_id.
// With this scheme, ImGuiSelectableFlags_SpanAllColumns and ImGuiSelectableFlags_AllowItemOverlap are also frequently used flags.
// FIXME: Selectable() with (size.x == 0.0f) and (SelectableTextAlign.x > 0.0f) followed by SameLine() is currently not supported.
bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags flags, const ImVec2& size_arg)
{
ImGuiWindow* window = GetCurrentWindow();
@ -5579,13 +5581,17 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
ItemSize(size, 0.0f);
// Fill horizontal space
const float max_x = (flags & ImGuiSelectableFlags_SpanAllColumns) ? GetWindowContentRegionMax().x + window->Pos.x : GetContentRegionMaxAbs().x;
const float min_x = (flags & ImGuiSelectableFlags_SpanAllColumns) ? window->ContentRegionRect.Min.x : pos.x;
const float max_x = (flags & ImGuiSelectableFlags_SpanAllColumns) ? window->ContentRegionRect.Max.x : GetContentRegionMaxAbs().x;
if (size_arg.x == 0.0f || (flags & ImGuiSelectableFlags_SpanAvailWidth))
size.x = ImMax(label_size.x, max_x - pos.x);
ImRect bb_align(pos, pos + size);
size.x = ImMax(label_size.x, max_x - min_x);
// Text stays at the submission position, but bounding box may be extended on both sides
const ImVec2 text_min = pos;
const ImVec2 text_max(min_x + size.x, pos.y + size.y);
// Selectables are meant to be tightly packed together with no click-gap, so we extend their box to cover spacing between selectable.
ImRect bb_enlarged = bb_align;
ImRect bb_enlarged(min_x, pos.y, text_max.x, text_max.y);
const float spacing_x = style.ItemSpacing.x;
const float spacing_y = style.ItemSpacing.y;
const float spacing_L = IM_FLOOR(spacing_x * 0.50f);
@ -5665,7 +5671,7 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl
PopColumnsBackground();
if (flags & ImGuiSelectableFlags_Disabled) PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_TextDisabled]);
RenderTextClipped(bb_align.Min, bb_align.Max, label, NULL, &label_size, style.SelectableTextAlign, &bb_enlarged);
RenderTextClipped(text_min, text_max, label, NULL, &label_size, style.SelectableTextAlign, &bb_enlarged);
if (flags & ImGuiSelectableFlags_Disabled) PopStyleColor();
// Automatically close popups