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Tables: Store submitted column width and avoid saving default default widths.

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omar 2020-07-17 22:39:28 +02:00 committed by ocornut
parent 57916b891b
commit c96c84b6dc
2 changed files with 19 additions and 14 deletions
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1
imgui_internal.h
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@ -1897,6 +1897,7 @@ struct ImGuiTableColumn
ImGuiTableColumnFlags Flags; // Effective flags. See ImGuiTableColumnFlags_
float MinX; // Absolute positions
float MaxX;
float WidthOrWeightInitValue; // Value passed to TableSetupColumn()
float WidthStretchWeight; // Master width weight when (Flags & _WidthStretch). Often around ~1.0f initially.
float WidthRequest; // Master width absolute value when !(Flags & _WidthStretch). When Stretch this is derived every frame from WidthStretchWeight in TableUpdateLayout()
float WidthGiven; // Final/actual width visible == (MaxX - MinX), locked in TableUpdateLayout(). May be >WidthRequest to honor minimum width, may be <WidthRequest to honor shrinking columns down in tight space.

30
imgui_tables.cpp
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@ -1529,26 +1529,27 @@ void ImGui::TableSetupColumn(const char* label, ImGuiTableColumnFlags flags,
flags = column->Flags;
// Initialize defaults
// FIXME-TABLE: We don't restore widths/weight so let's avoid using IsSettingsLoaded for now
if (table->IsInitializing && column->WidthRequest < 0.0f && column->WidthStretchWeight < 0.0f)// && !table->IsSettingsLoaded)
if (flags & ImGuiTableColumnFlags_WidthStretch)
{
IM_ASSERT(init_width_or_weight != 0.0f && "Need to provide a valid weight!");
if (init_width_or_weight < 0.0f)
init_width_or_weight = 1.0f;
}
column->WidthOrWeightInitValue = init_width_or_weight;
if (table->IsInitializing && column->WidthRequest < 0.0f && column->WidthStretchWeight < 0.0f)
{
// Init width or weight
// Disable auto-fit if a default fixed width has been specified
if ((flags & ImGuiTableColumnFlags_WidthFixed) && init_width_or_weight > 0.0f)
{
// Disable auto-fit if a default fixed width has been specified
column->WidthRequest = init_width_or_weight;
column->AutoFitQueue = 0x00;
}
if (flags & ImGuiTableColumnFlags_WidthStretch)
{
IM_ASSERT(init_width_or_weight < 0.0f || init_width_or_weight > 0.0f);
column->WidthStretchWeight = (init_width_or_weight < 0.0f ? 1.0f : init_width_or_weight);
}
column->WidthStretchWeight = init_width_or_weight;
else
{
column->WidthStretchWeight = 1.0f;
}
}
if (table->IsInitializing)
{
// Init default visibility/sort state
@ -2475,12 +2476,12 @@ void ImGui::TableSaveSettings(ImGuiTable* table)
ImGuiTableColumn* column = table->Columns.Data;
ImGuiTableColumnSettings* column_settings = settings->GetColumnSettings();
// FIXME-TABLE: Logic to avoid saving default widths?
bool save_ref_scale = false;
settings->SaveFlags = ImGuiTableFlags_Resizable;
settings->SaveFlags = ImGuiTableFlags_None;
for (int n = 0; n < table->ColumnsCount; n++, column++, column_settings++)
{
column_settings->WidthOrWeight = (column->Flags & ImGuiTableColumnFlags_WidthStretch) ? column->WidthStretchWeight : column->WidthRequest;
const float width_or_weight = (column->Flags & ImGuiTableColumnFlags_WidthStretch) ? column->WidthStretchWeight : column->WidthRequest;
column_settings->WidthOrWeight = width_or_weight;
column_settings->Index = (ImS8)n;
column_settings->DisplayOrder = column->DisplayOrder;
column_settings->SortOrder = column->SortOrder;
@ -2490,8 +2491,11 @@ void ImGui::TableSaveSettings(ImGuiTable* table)
if ((column->Flags & ImGuiTableColumnFlags_WidthStretch) == 0)
save_ref_scale = true;
// We skip saving some data in the .ini file when they are unnecessary to restore our state
// We skip saving some data in the .ini file when they are unnecessary to restore our state.
// Note that fixed width where initial width was derived from auto-fit will always be saved as WidthOrWeightInitValue will be 0.0f.
// FIXME-TABLE: We don't have logic to easily compare SortOrder to DefaultSortOrder yet so it's always saved when present.
if (width_or_weight != column->WidthOrWeightInitValue)
settings->SaveFlags |= ImGuiTableFlags_Resizable;
if (column->DisplayOrder != n)
settings->SaveFlags |= ImGuiTableFlags_Reorderable;
if (column->SortOrder != -1)