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Columns: Column width data is no longer lost while dragging toward the right side. (#1499, #125)

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This commit is contained in:
omar 2017-12-13 21:51:23 +01:00
parent ba71e1c0e4
commit ddbcda8c1b
2 changed files with 23 additions and 5 deletions
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23
imgui.cpp
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@ -10879,6 +10879,19 @@ float ImGui::GetColumnOffset(int column_index)
return x_offset;
}
static float GetColumnWidthEx(ImGuiColumnsSet* columns, int column_index, bool before_resize = false)
{
if (column_index < 0)
column_index = columns->Current;
float offset_norm;
if (before_resize)
offset_norm = columns->Columns[column_index + 1].OffsetNormBeforeResize - columns->Columns[column_index].OffsetNormBeforeResize;
else
offset_norm = columns->Columns[column_index + 1].OffsetNorm - columns->Columns[column_index].OffsetNorm;
return OffsetNormToPixels(columns, offset_norm);
}
float ImGui::GetColumnWidth(int column_index)
{
ImGuiWindow* window = GetCurrentWindowRead();
@ -10902,7 +10915,7 @@ void ImGui::SetColumnOffset(int column_index, float offset)
IM_ASSERT(column_index < columns->Columns.Size);
const bool preserve_width = !(columns->Flags & ImGuiColumnsFlags_NoPreserveWidths) && (column_index < columns->Count-1);
const float width = preserve_width ? GetColumnWidth(column_index) : 0.0f;
const float width = preserve_width ? GetColumnWidthEx(columns, column_index, columns->IsBeingResized) : 0.0f;
if (!(columns->Flags & ImGuiColumnsFlags_NoForceWithinWindow))
offset = ImMin(offset, columns->MaxX - g.Style.ColumnsMinSpacing * (columns->Count - column_index));
@ -11033,7 +11046,7 @@ void ImGui::EndColumns()
window->DC.CursorMaxPos.x = ImMax(columns->StartMaxPosX, columns->MaxX); // Restore cursor max pos, as columns don't grow parent
// Draw columns borders and handle resize
columns->IsBeingResized = false;
bool is_being_resized = false;
if (!(columns->Flags & ImGuiColumnsFlags_NoBorder) && !window->SkipItems)
{
const float y1 = columns->StartPosY;
@ -11070,11 +11083,15 @@ void ImGui::EndColumns()
// Apply dragging after drawing the column lines, so our rendered lines are in sync with how items were displayed during the frame.
if (dragging_column != -1)
{
if (!columns->IsBeingResized)
for (int n = 0; n < columns->Count + 1; n++)
columns->Columns[n].OffsetNormBeforeResize = columns->Columns[n].OffsetNorm;
columns->IsBeingResized = is_being_resized = true;
float x = GetDraggedColumnOffset(columns, dragging_column);
SetColumnOffset(dragging_column, x);
columns->IsBeingResized = true;
}
}
columns->IsBeingResized = is_being_resized;
window->DC.ColumnsSet = NULL;
window->DC.ColumnsOffsetX = 0.0f;

5
imgui_internal.h
View File

@ -414,10 +414,11 @@ struct ImGuiPopupRef
struct ImGuiColumnData
{
float OffsetNorm; // Column start offset, normalized 0.0 (far left) -> 1.0 (far right)
float OffsetNorm; // Column start offset, normalized 0.0 (far left) -> 1.0 (far right)
float OffsetNormBeforeResize;
ImRect ClipRect;
ImGuiColumnData() { OffsetNorm = 0.0f; }
ImGuiColumnData() { OffsetNorm = OffsetNormBeforeResize = 0.0f; }
};
struct ImGuiColumnsSet