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Tables: fix reported inner-width for scrolling tables off by a small padding amount + moved code.

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Makes not much difference for inner-scrolling but makes a difference when reported to outer-window.
This commit is contained in:
ocornut 2021-01-15 12:11:34 +01:00
parent 3edfc042ff
commit 626e3e2b3b
2 changed files with 25 additions and 21 deletions
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5
imgui.cpp
View File

@ -10546,8 +10546,8 @@ void ImGui::ShowMetricsWindow(bool* p_open)
// Debugging enums
enum { WRT_OuterRect, WRT_OuterRectClipped, WRT_InnerRect, WRT_InnerClipRect, WRT_WorkRect, WRT_Content, WRT_ContentRegionRect, WRT_Count }; // Windows Rect Type
const char* wrt_rects_names[WRT_Count] = { "OuterRect", "OuterRectClipped", "InnerRect", "InnerClipRect", "WorkRect", "Content", "ContentRegionRect" };
enum { TRT_OuterRect, TRT_InnerRect, TRT_WorkRect, TRT_HostClipRect, TRT_InnerClipRect, TRT_BackgroundClipRect, TRT_ColumnsRect, TRT_ColumnsClipRect, TRT_ColumnsContentHeadersUsed, TRT_ColumnsContentHeadersIdeal, TRT_ColumnsContentFrozen, TRT_ColumnsContentUnfrozen, TRT_Count }; // Tables Rect Type
const char* trt_rects_names[TRT_Count] = { "OuterRect", "InnerRect", "WorkRect", "HostClipRect", "InnerClipRect", "BackgroundClipRect", "ColumnsRect", "ColumnsClipRect", "ColumnsContentHeadersUsed", "ColumnsContentHeadersIdeal", "ColumnsContentFrozen", "ColumnsContentUnfrozen" };
enum { TRT_OuterRect, TRT_InnerRect, TRT_WorkRect, TRT_HostClipRect, TRT_InnerClipRect, TRT_BackgroundClipRect, TRT_ColumnsRect, TRT_ColumnsWorkRect, TRT_ColumnsClipRect, TRT_ColumnsContentHeadersUsed, TRT_ColumnsContentHeadersIdeal, TRT_ColumnsContentFrozen, TRT_ColumnsContentUnfrozen, TRT_Count }; // Tables Rect Type
const char* trt_rects_names[TRT_Count] = { "OuterRect", "InnerRect", "WorkRect", "HostClipRect", "InnerClipRect", "BackgroundClipRect", "ColumnsRect", "ColumnsWorkRect", "ColumnsClipRect", "ColumnsContentHeadersUsed", "ColumnsContentHeadersIdeal", "ColumnsContentFrozen", "ColumnsContentUnfrozen" };
if (cfg->ShowWindowsRectsType < 0)
cfg->ShowWindowsRectsType = WRT_WorkRect;
if (cfg->ShowTablesRectsType < 0)
@ -10564,6 +10564,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
else if (rect_type == TRT_InnerClipRect) { return table->InnerClipRect; }
else if (rect_type == TRT_BackgroundClipRect) { return table->BgClipRect; }
else if (rect_type == TRT_ColumnsRect) { ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->MinX, table->InnerClipRect.Min.y, c->MaxX, table->InnerClipRect.Min.y + table->LastOuterHeight); }
else if (rect_type == TRT_ColumnsWorkRect) { ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->WorkRect.Min.y, c->WorkMaxX, table->WorkRect.Max.y); }
else if (rect_type == TRT_ColumnsClipRect) { ImGuiTableColumn* c = &table->Columns[n]; return c->ClipRect; }
else if (rect_type == TRT_ColumnsContentHeadersUsed){ ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->InnerClipRect.Min.y, c->ContentMaxXHeadersUsed, table->InnerClipRect.Min.y + table->LastFirstRowHeight); } // Note: y1/y2 not always accurate
else if (rect_type == TRT_ColumnsContentHeadersIdeal){ImGuiTableColumn* c = &table->Columns[n]; return ImRect(c->WorkMinX, table->InnerClipRect.Min.y, c->ContentMaxXHeadersIdeal, table->InnerClipRect.Min.y + table->LastFirstRowHeight); }

41
imgui_tables.cpp
View File

@ -839,7 +839,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
}
table->ColumnsEnabledFixedCount = (ImGuiTableColumnIdx)count_fixed;
// [Part 5] Apply final widths based on requested widths
// [Part 4] Apply final widths based on requested widths
const ImRect work_rect = table->WorkRect;
const float width_spacings = (table->OuterPaddingX * 2.0f) + (table->CellSpacingX1 + table->CellSpacingX2) * (table->ColumnsEnabledCount - 1);
const float width_avail = ((table->Flags & ImGuiTableFlags_ScrollX) && table->InnerWidth == 0.0f) ? table->InnerClipRect.GetWidth() : work_rect.GetWidth();
@ -870,7 +870,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
table->ColumnsGivenWidth += column->WidthGiven;
}
// [Part 6] Redistribute stretch remainder width due to rounding (remainder width is < 1.0f * number of Stretch column).
// [Part 5] Redistribute stretch remainder width due to rounding (remainder width is < 1.0f * number of Stretch column).
// Using right-to-left distribution (more likely to match resizing cursor).
if (width_remaining_for_stretched_columns >= 1.0f && !(table->Flags & ImGuiTableFlags_PreciseWidths))
for (int order_n = table->ColumnsCount - 1; stretch_sum_weights > 0.0f && width_remaining_for_stretched_columns >= 1.0f && order_n >= 0; order_n--)
@ -890,7 +890,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
const ImRect mouse_hit_rect(table->OuterRect.Min.x, table->OuterRect.Min.y, table->OuterRect.Max.x, ImMax(table->OuterRect.Max.y, table->OuterRect.Min.y + table->LastOuterHeight));
const bool is_hovering_table = ItemHoverable(mouse_hit_rect, 0);
// [Part 7] Setup final position, offset, skip/clip states and clipping rectangles, detect hovered column
// [Part 6] Setup final position, offset, skip/clip states and clipping rectangles, detect hovered column
// Process columns in their visible orders as we are comparing the visible order and adjusting host_clip_rect while looping.
int visible_n = 0;
bool offset_x_frozen = (table->FreezeColumnsCount > 0);
@ -1016,7 +1016,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
visible_n++;
}
// [Part 8] Detect/store when we are hovering the unused space after the right-most column (so e.g. context menus can react on it)
// [Part 7] Detect/store when we are hovering the unused space after the right-most column (so e.g. context menus can react on it)
// Clear Resizable flag if none of our column are actually resizable (either via an explicit _NoResize flag, either
// because of using _WidthAuto/_WidthStretch). This will hide the resizing option from the context menu.
const float unused_x1 = ImMax(table->WorkRect.Min.x, table->Columns[table->RightMostEnabledColumn].ClipRect.Max.x);
@ -1028,7 +1028,7 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
if (has_resizable == false && (table->Flags & ImGuiTableFlags_Resizable))
table->Flags &= ~ImGuiTableFlags_Resizable;
// [Part 9] Lock actual OuterRect/WorkRect right-most position.
// [Part 8] Lock actual OuterRect/WorkRect right-most position.
// This is done late to handle the case of fixed-columns tables not claiming more widths that they need.
// Because of this we are careful with uses of WorkRect and InnerClipRect before this point.
if (table->RightMostStretchedColumn != -1)
@ -1042,17 +1042,17 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
table->BorderX1 = table->InnerClipRect.Min.x;// +((table->Flags & ImGuiTableFlags_BordersOuter) ? 0.0f : -1.0f);
table->BorderX2 = table->InnerClipRect.Max.x;// +((table->Flags & ImGuiTableFlags_BordersOuter) ? 0.0f : +1.0f);
// [Part 10] Allocate draw channels and setup background cliprect
// [Part 9] Allocate draw channels and setup background cliprect
TableSetupDrawChannels(table);
// [Part 11] Hit testing on borders
// [Part 10] Hit testing on borders
if (table->Flags & ImGuiTableFlags_Resizable)
TableUpdateBorders(table);
table->LastFirstRowHeight = 0.0f;
table->IsLayoutLocked = true;
table->IsUsingHeaders = false;
// [Part 12] Context menu
// [Part 11] Context menu
if (table->IsContextPopupOpen && table->InstanceCurrent == table->InstanceInteracted)
{
const ImGuiID context_menu_id = ImHashStr("##ContextMenu", 0, table->ID);
@ -1189,6 +1189,20 @@ void ImGui::EndTable()
outer_window->DC.CursorMaxPos.y = table->RowPosY2;
}
// Setup inner scrolling range
// FIXME: This ideally should be done earlier, in BeginTable() SetNextWindowContentSize call, just like writing to inner_window->DC.CursorMaxPos.y,
// but since the later is likely to be impossible to do we'd rather update both axises together.
if (table->Flags & ImGuiTableFlags_ScrollX)
{
const float outer_padding_for_border = (table->Flags & ImGuiTableFlags_BordersOuterV) ? TABLE_BORDER_SIZE : 0.0f;
float max_pos_x = table->InnerWindow->DC.CursorMaxPos.x;
if (table->RightMostEnabledColumn != -1)
max_pos_x = ImMax(max_pos_x, table->Columns[table->RightMostEnabledColumn].WorkMaxX + table->CellPaddingX + table->OuterPaddingX - outer_padding_for_border);
if (table->ResizedColumn != -1)
max_pos_x = ImMax(max_pos_x, table->ResizeLockMinContentsX2);
table->InnerWindow->DC.CursorMaxPos.x = max_pos_x;
}
table->WorkRect.Max.y = ImMax(table->WorkRect.Max.y, table->OuterRect.Max.y);
table->LastOuterHeight = table->OuterRect.GetHeight();
@ -1258,7 +1272,6 @@ void ImGui::EndTable()
// Restore window data that we modified
const ImVec2 backup_outer_max_pos = outer_window->DC.CursorMaxPos;
const ImVec2 backup_inner_max_pos = inner_window->DC.CursorMaxPos;
inner_window->WorkRect = table->HostBackupWorkRect;
inner_window->ParentWorkRect = table->HostBackupParentWorkRect;
inner_window->SkipItems = table->HostSkipItems;
@ -1285,19 +1298,9 @@ void ImGui::EndTable()
// Override declared contents width to enable auto-resize on the X axis when possible.
// FIXME-TABLE: This can be improved (e.g. for Fixed columns we don't want to auto AutoFitWidth? or propagate window auto-fit to table?)
if (table->Flags & ImGuiTableFlags_ScrollX)
{
float max_pos_x = backup_inner_max_pos.x;
if (table->RightMostEnabledColumn != -1)
max_pos_x = ImMax(max_pos_x, table->Columns[table->RightMostEnabledColumn].MaxX);
if (table->ResizedColumn != -1)
max_pos_x = ImMax(max_pos_x, table->ResizeLockMinContentsX2);
inner_window->DC.CursorMaxPos.x = max_pos_x; // For inner scrolling
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos.x, table->OuterRect.Min.x + table->ColumnsGivenWidth + inner_window->ScrollbarSizes.x); // For outer scrolling
}
else
{
outer_window->DC.CursorMaxPos.x = ImMax(backup_outer_max_pos.x, table->WorkRect.Min.x + outer_width); // For auto-fit
}
// Save settings
if (table->IsSettingsDirty)