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Tables: Resizing weighted column preserve sum of weights. Fix ResizedColumn init leading to undesirable TableSetColumnWidth() on first run. Rework TableSettingsHandler_ReadLine() structure to allow other types of line.

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This commit is contained in:
omar 2020-05-22 16:48:13 +02:00 committed by ocornut
parent bc170e7325
commit af52a0cea2
2 changed files with 17 additions and 13 deletions
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3
imgui_internal.h
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@ -2037,6 +2037,7 @@ struct ImGuiTable
LastResizedColumn = -1;
ContextPopupColumn = -1;
ReorderColumn = -1;
ResizedColumn = -1;
}
};
@ -2048,7 +2049,7 @@ struct ImGuiTableColumnSettings
ImS8 Index;
ImS8 DisplayOrder;
ImS8 SortOrder;
ImS8 SortDirection : 7;
ImU8 SortDirection : 2;
ImU8 Visible : 1;
ImGuiTableColumnSettings()

27
imgui_tables.cpp
View File

@ -1180,7 +1180,7 @@ static void TableUpdateColumnsWeightFromWidth(ImGuiTable* table)
ImGuiTableColumn* column = &table->Columns[column_n];
if (!column->IsVisible || !(column->Flags & ImGuiTableColumnFlags_WidthStretch))
continue;
column->WidthStretchWeight = (column->WidthRequest + 0.0f) / visible_width;
column->WidthStretchWeight = ((column->WidthRequest + 0.0f) / visible_width) * visible_weight;
}
}
@ -2506,18 +2506,21 @@ static void TableSettingsHandler_ReadLine(ImGuiContext*, ImGuiSettingsHandler*,
// "Column 0 UserID=0x42AD2D21 Width=100 Visible=1 Order=0 Sort=0v"
ImGuiTableSettings* settings = (ImGuiTableSettings*)entry;
int column_n = 0, r = 0, n = 0;
if (sscanf(line, "Column %d%n", &column_n, &r) == 1) { line = ImStrSkipBlank(line + r); } else { return; }
if (column_n < 0 || column_n >= settings->ColumnsCount)
return;
char c = 0;
ImGuiTableColumnSettings* column = settings->GetColumnSettings() + column_n;
column->Index = (ImS8)column_n;
if (sscanf(line, "UserID=0x%08X%n", (ImU32*)&n, &r) == 1) { line = ImStrSkipBlank(line + r); column->UserID = (ImGuiID)n; }
if (sscanf(line, "Width=%d%n", &n, &r) == 1) { line = ImStrSkipBlank(line + r); /* .. */ settings->SaveFlags |= ImGuiTableFlags_Resizable; }
if (sscanf(line, "Visible=%d%n", &n, &r) == 1) { line = ImStrSkipBlank(line + r); column->Visible = (ImU8)n; settings->SaveFlags |= ImGuiTableFlags_Hideable; }
if (sscanf(line, "Order=%d%n", &n, &r) == 1) { line = ImStrSkipBlank(line + r); column->DisplayOrder = (ImS8)n; settings->SaveFlags |= ImGuiTableFlags_Reorderable; }
if (sscanf(line, "Sort=%d%c%n", &n, &c, &r) == 2) { line = ImStrSkipBlank(line + r); column->SortOrder = (ImS8)n; column->SortDirection = (c == '^') ? ImGuiSortDirection_Descending : ImGuiSortDirection_Ascending; settings->SaveFlags |= ImGuiTableFlags_Sortable; }
if (sscanf(line, "Column %d%n", &column_n, &r) == 1)
{
if (column_n < 0 || column_n >= settings->ColumnsCount)
return;
line = ImStrSkipBlank(line + r);
char c = 0;
ImGuiTableColumnSettings* column = settings->GetColumnSettings() + column_n;
column->Index = (ImS8)column_n;
if (sscanf(line, "UserID=0x%08X%n", (ImU32*)&n, &r)==1) { line = ImStrSkipBlank(line + r); column->UserID = (ImGuiID)n; }
if (sscanf(line, "Width=%d%n", &n, &r) == 1) { line = ImStrSkipBlank(line + r); /* .. */ settings->SaveFlags |= ImGuiTableFlags_Resizable; }
if (sscanf(line, "Visible=%d%n", &n, &r) == 1) { line = ImStrSkipBlank(line + r); column->Visible = (ImU8)n; settings->SaveFlags |= ImGuiTableFlags_Hideable; }
if (sscanf(line, "Order=%d%n", &n, &r) == 1) { line = ImStrSkipBlank(line + r); column->DisplayOrder = (ImS8)n; settings->SaveFlags |= ImGuiTableFlags_Reorderable; }
if (sscanf(line, "Sort=%d%c%n", &n, &c, &r) == 2) { line = ImStrSkipBlank(line + r); column->SortOrder = (ImS8)n; column->SortDirection = (c == '^') ? ImGuiSortDirection_Descending : ImGuiSortDirection_Ascending; settings->SaveFlags |= ImGuiTableFlags_Sortable; }
}
}
static void TableSettingsHandler_WriteAll(ImGuiContext* ctx, ImGuiSettingsHandler* handler, ImGuiTextBuffer* buf)