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Tables: fixed seemingly unnecessarily copy of ImGuiTableColumnFlags_NoDirectResize_ which broken resizing from W3| in a F1 W3 F2 setup. Header only allow overlap on hover, not when active (amend f2df804f)

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Otherwise TableUpdateBorders() tends to override mouse cursor.
This commit is contained in:
ocornut
2020-12-16 15:27:17 +01:00
parent 892b48e2d6
commit 1fb26d18c4
2 changed files with 12 additions and 20 deletions
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30
imgui_tables.cpp
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@@ -815,23 +815,12 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
continue;
ImGuiTableColumn* column = &table->Columns[column_n];
// Allocate width for stretched/weighted columns
if (column->Flags & ImGuiTableColumnFlags_WidthStretch)
// Allocate width for stretched/weighted columns (StretchWeight gets converted into WidthRequest)
if ((column->Flags & ImGuiTableColumnFlags_WidthStretch) && !mixed_same_widths)
{
// StretchWeight gets converted into WidthRequest
if (!mixed_same_widths)
{
float weight_ratio = column->StretchWeight / sum_weights_stretched;
column->WidthRequest = IM_FLOOR(ImMax(width_avail_for_stretched_columns * weight_ratio, min_column_width) + 0.01f);
width_remaining_for_stretched_columns -= column->WidthRequest;
}
// [Resize Rule 2] Resizing from right-side of a stretch column preceding a fixed column
// needs to forward resizing to left-side of fixed column. We also need to copy the NoResize flag..
if (column->NextEnabledColumn != -1)
if (ImGuiTableColumn* next_column = &table->Columns[column->NextEnabledColumn])
if (next_column->Flags & ImGuiTableColumnFlags_WidthFixed)
column->Flags |= (next_column->Flags & ImGuiTableColumnFlags_NoDirectResize_);
float weight_ratio = column->StretchWeight / sum_weights_stretched;
column->WidthRequest = IM_FLOOR(ImMax(width_avail_for_stretched_columns * weight_ratio, min_column_width) + 0.01f);
width_remaining_for_stretched_columns -= column->WidthRequest;
}
// [Resize Rule 1] The right-most Visible column is not resizable if there is at least one Stretch column
@@ -1876,15 +1865,17 @@ void ImGui::TableSetColumnWidth(int column_n, float width)
// - F1 F2 F3 resize from F3| --> ok: alter ->WidthRequested of Fixed column. If active, ScrollX extent can be altered.
// - F1 F2 W3 resize from F1| or F2| --> ok: alter ->WidthRequested of Fixed column. If active, ScrollX extent can be altered, but it doesn't make much sense as the Stretch column will always be minimal size.
// - F1 F2 W3 resize from W3| --> ok: no-op (disabled by Resize Rule 1)
// - W1 W2 W3 resize from W1| or W2| --> FIXME
// - W1 W2 W3 resize from W1| or W2| --> ok
// - W1 W2 W3 resize from W3| --> ok: no-op (disabled by Resize Rule 1)
// - W1 F2 F3 resize from F3| --> ok: no-op (disabled by Resize Rule 1)
// - W1 F2 resize from F2| --> ok: no-op (disabled by Resize Rule 1)
// - W1 W2 F3 resize from W1| or W2| --> ok
// - W1 F2 W3 resize from W1| or F2| --> FIXME
// - F1 W2 F3 resize from W2| --> ok
// - F1 W3 F2 resize from W3| --> ok
// - W1 F2 F3 resize from W1| --> ok: equivalent to resizing |F2. F3 will not move. (forwarded by Resize Rule 2)
// - W1 F2 F3 resize from F2| --> FIXME should resize F2, F3 and not have effect on W1 (Stretch columns are _before_ the Fixed column).
// - W1 F2 F3 resize from F2| --> ok
// All resizes from a Wx columns are locking other columns.
// Rules:
// - [Resize Rule 1] Can't resize from right of right-most visible column if there is any Stretch column. Implemented in TableUpdateLayout().
@@ -2679,7 +2670,8 @@ void ImGui::TableHeader(const char* label)
// Using AllowItemOverlap mode because we cover the whole cell, and we want user to be able to submit subsequent items.
bool hovered, held;
bool pressed = ButtonBehavior(bb, id, &hovered, &held, ImGuiButtonFlags_AllowItemOverlap);
SetItemAllowOverlap();
if (g.ActiveId != id)
SetItemAllowOverlap();
if (hovered || selected)
{
const ImU32 col = GetColorU32(held ? ImGuiCol_HeaderActive : hovered ? ImGuiCol_HeaderHovered : ImGuiCol_Header);