chatterino2
Code Issues

refactor(notebook): merge top/bottom and left/right layout code (#6215)

Browse Source
This commit is contained in:
nerix
2025-05-18 12:17:13 +02:00
committed by GitHub
parent 6b968a199c
commit 67956ef2c6
3 changed files with 314 additions and 381 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/widgets/Notebook.cpp
+292 -381
View File
@@ -704,19 +704,6 @@ void Notebook::resizeEvent(QResizeEvent *)
void Notebook::performLayout(bool animated)
{
const auto left = int(2 * this->scale());
const auto right = width();
const auto bottom = height();
const auto scale = this->scale();
const auto tabHeight = int(NOTEBOOK_TAB_HEIGHT * scale);
const auto minimumTabAreaSpace = int(tabHeight * 0.5);
const auto addButtonWidth = this->showAddButton_ ? tabHeight : 0;
const auto lineThickness = int(2 * scale);
const auto tabSpacer = std::max<int>(1, int(scale * 1));
const auto buttonWidth = tabHeight;
const auto buttonHeight = tabHeight - 1;
std::vector<Item> filteredItems;
filteredItems.reserve(this->items_.size());
if (this->tabVisibilityFilter_)
@@ -732,394 +719,129 @@ void Notebook::performLayout(bool animated)
filteredItems.assign(this->items_.begin(), this->items_.end());
}
if (this->tabLocation_ == NotebookTabLocation::Top)
const auto scale = this->scale();
const auto tabHeight = int(NOTEBOOK_TAB_HEIGHT * scale);
const LayoutContext ctx{
.left = static_cast<int>(2 * this->scale()),
.right = this->width(),
.bottom = this->height(),
.scale = scale,
.tabHeight = tabHeight,
.minimumTabAreaSpace = static_cast<int>(tabHeight * 0.5),
.addButtonWidth = this->showAddButton_ ? tabHeight : 0,
.lineThickness = static_cast<int>(2 * scale),
.tabSpacer = std::max(1, static_cast<int>(scale)),
.buttonWidth = tabHeight,
.buttonHeight = tabHeight - 1,
.items = filteredItems,
};
if (this->tabLocation_ == NotebookTabLocation::Top ||
this->tabLocation_ == NotebookTabLocation::Bottom)
{
auto x = left;
auto y = 0;
auto consumedButtonHeights = 0;
this->performHorizontalLayout(ctx, animated);
}
else
{
this->performVerticalLayout(ctx, animated);
}
// set size of custom buttons (settings, user, ...)
for (auto *btn : this->customButtons_)
if (this->showTabs_)
{
// raise elements
for (auto &i : this->items_)
{
if (!btn->isVisible())
{
continue;
}
btn->setFixedSize(buttonWidth, buttonHeight);
btn->move(x, 0);
x += buttonWidth;
consumedButtonHeights = tabHeight;
i.tab->raise();
}
if (this->showTabs_)
if (this->showAddButton_)
{
// layout tabs
/// Notebook tabs need to know if they are in the last row.
auto *firstInBottomRow =
filteredItems.empty() ? nullptr : &filteredItems.front();
for (auto &item : filteredItems)
{
/// Break line if element doesn't fit.
auto isFirst = &item == &filteredItems.front();
auto isLast = &item == &filteredItems.back();
auto fitsInLine = ((isLast ? addButtonWidth : 0) + x +
item.tab->width()) <= width();
if (!isFirst && !fitsInLine)
{
y += item.tab->height();
x = left;
firstInBottomRow = &item;
}
/// Layout tab
item.tab->growWidth(0);
item.tab->moveAnimated(QPoint(x, y), animated);
x += item.tab->width() + tabSpacer;
}
/// Update which tabs are in the last row
auto inLastRow = false;
for (const auto &item : filteredItems)
{
if (&item == firstInBottomRow)
{
inLastRow = true;
}
item.tab->setInLastRow(inLastRow);
}
// move misc buttons
if (this->showAddButton_)
{
this->addButton_->move(x, y);
}
y += tabHeight;
}
y = std::max({y, consumedButtonHeights, minimumTabAreaSpace});
if (this->lineOffset_ != y)
{
this->lineOffset_ = y;
this->update();
}
/// Increment for the line at the bottom
y += int(2 * scale);
// set page bounds
if (this->selectedPage_ != nullptr)
{
this->selectedPage_->move(0, y);
this->selectedPage_->resize(width(), height() - y);
this->selectedPage_->raise();
this->addButton_->raise();
}
}
else if (this->tabLocation_ == NotebookTabLocation::Left)
}
void Notebook::performHorizontalLayout(const LayoutContext &ctx, bool animated)
{
const auto isBottom = this->tabLocation_ == NotebookTabLocation::Bottom;
const auto reverse = isBottom ? -1 : 1;
auto x = ctx.left;
auto y = isBottom ? ctx.bottom - ctx.tabHeight - ctx.tabSpacer : 0;
auto consumedButtonHeights = 0;
// set size of custom buttons (settings, user, ...)
for (auto *btn : this->customButtons_)
{
auto x = left;
auto y = 0;
// set size of custom buttons (settings, user, ...)
for (auto *btn : this->customButtons_)
if (!btn->isVisible())
{
if (!btn->isVisible())
continue;
}
btn->setFixedSize(ctx.buttonWidth, ctx.buttonHeight);
btn->move(x, y);
x += ctx.buttonWidth;
consumedButtonHeights = ctx.tabHeight;
}
if (this->showTabs_)
{
// layout tabs
/// Notebook tabs need to know if they are in the last row.
auto *firstInBottomRow =
ctx.items.empty() ? nullptr : &ctx.items.front();
for (auto &item : ctx.items)
{
/// Break line if element doesn't fit.
auto isFirst = &item == &ctx.items.front();
auto isLast = &item == &ctx.items.back();
auto fitsInLine = ((isLast ? ctx.addButtonWidth : 0) + x +
item.tab->width()) <= width();
if (!isFirst && !fitsInLine)
{
continue;
y += item.tab->height() * reverse;
x = ctx.left;
firstInBottomRow = &item;
}
btn->setFixedSize(buttonWidth, buttonHeight);
btn->move(x, y);
x += buttonWidth;
/// Layout tab
item.tab->growWidth(0);
item.tab->moveAnimated(QPoint(x, y), animated);
x += item.tab->width() + ctx.tabSpacer;
}
if (this->visibleButtonCount() > 0)
/// Update which tabs are in the last row
auto inLastRow = false;
for (const auto &item : ctx.items)
{
y = tabHeight + lineThickness; // account for divider line
}
int totalButtonWidths = x;
const int top = y + tabSpacer; // add margin
y = top;
x = left;
// zneix: if we were to remove buttons when tabs are hidden
// stuff below to "set page bounds" part should be in conditional statement
int tabsPerColumn = (this->height() - top) / (tabHeight + tabSpacer);
if (tabsPerColumn == 0) // window hasn't properly rendered yet
{
return;
}
int count = filteredItems.size() + (this->showAddButton_ ? 1 : 0);
int columnCount = ceil((float)count / tabsPerColumn);
// only add width of all the tabs if they are not hidden
if (this->showTabs_)
{
for (int col = 0; col < columnCount; col++)
if (&item == firstInBottomRow)
{
bool isLastColumn = col == columnCount - 1;
auto largestWidth = 0;
int tabStart = col * tabsPerColumn;
int tabEnd =
std::min(static_cast<size_t>((col + 1) * tabsPerColumn),
filteredItems.size());
for (int i = tabStart; i < tabEnd; i++)
{
largestWidth =
std::max(filteredItems.at(i).tab->normalTabWidth(),
largestWidth);
}
if (isLastColumn && this->showAddButton_)
{
largestWidth =
std::max(largestWidth, this->addButton_->width());
}
if (isLastColumn && largestWidth + x < totalButtonWidths)
{
largestWidth = totalButtonWidths - x;
}
for (int i = tabStart; i < tabEnd; i++)
{
auto item = filteredItems.at(i);
/// Layout tab
item.tab->growWidth(largestWidth);
item.tab->moveAnimated(QPoint(x, y), animated);
item.tab->setInLastRow(isLastColumn);
y += tabHeight + tabSpacer;
}
if (isLastColumn && this->showAddButton_)
{
this->addButton_->move(x, y);
}
x += largestWidth + lineThickness;
y = top;
inLastRow = true;
}
item.tab->setInLastRow(inLastRow);
}
x = std::max({x, totalButtonWidths, minimumTabAreaSpace});
if (this->lineOffset_ != x - lineThickness)
// move misc buttons
if (this->showAddButton_)
{
this->lineOffset_ = x - lineThickness;
this->update();
this->addButton_->move(x, y);
}
// set page bounds
if (this->selectedPage_ != nullptr)
if (!isBottom)
{
this->selectedPage_->move(x, 0);
this->selectedPage_->resize(width() - x, height());
this->selectedPage_->raise();
y += ctx.tabHeight;
}
}
else if (this->tabLocation_ == NotebookTabLocation::Right)
if (isBottom)
{
auto x = right;
auto y = 0;
// set size of custom buttons (settings, user, ...)
for (auto btnIt = this->customButtons_.rbegin();
btnIt != this->customButtons_.rend(); ++btnIt)
{
auto *btn = *btnIt;
if (!btn->isVisible())
{
continue;
}
x -= buttonWidth;
btn->setFixedSize(buttonWidth, buttonHeight);
btn->move(x, y);
}
if (this->visibleButtonCount() > 0)
{
y = tabHeight + lineThickness; // account for divider line
}
int consumedButtonWidths = right - x;
const int top = y + tabSpacer; // add margin
y = top;
x = right;
// zneix: if we were to remove buttons when tabs are hidden
// stuff below to "set page bounds" part should be in conditional statement
int tabsPerColumn = (this->height() - top) / (tabHeight + tabSpacer);
if (tabsPerColumn == 0) // window hasn't properly rendered yet
{
return;
}
int count = filteredItems.size() + (this->showAddButton_ ? 1 : 0);
int columnCount = ceil((float)count / tabsPerColumn);
// only add width of all the tabs if they are not hidden
if (this->showTabs_)
{
for (int col = 0; col < columnCount; col++)
{
bool isLastColumn = col == columnCount - 1;
auto largestWidth = 0;
int tabStart = col * tabsPerColumn;
int tabEnd =
std::min(static_cast<size_t>((col + 1) * tabsPerColumn),
filteredItems.size());
for (int i = tabStart; i < tabEnd; i++)
{
largestWidth =
std::max(filteredItems.at(i).tab->normalTabWidth(),
largestWidth);
}
if (isLastColumn && this->showAddButton_)
{
largestWidth =
std::max(largestWidth, this->addButton_->width());
}
int distanceFromRight = width() - x;
if (isLastColumn &&
largestWidth + distanceFromRight < consumedButtonWidths)
{
largestWidth = consumedButtonWidths - distanceFromRight;
}
x -= largestWidth + lineThickness;
for (int i = tabStart; i < tabEnd; i++)
{
auto item = filteredItems.at(i);
/// Layout tab
item.tab->growWidth(largestWidth);
item.tab->moveAnimated(QPoint(x, y), animated);
item.tab->setInLastRow(isLastColumn);
y += tabHeight + tabSpacer;
}
if (isLastColumn && this->showAddButton_)
{
this->addButton_->move(x, y);
}
y = top;
}
}
// subtract another lineThickness to account for vertical divider
x -= lineThickness;
int consumedRightSpace =
std::max({right - x, consumedButtonWidths, minimumTabAreaSpace});
int tabsStart = right - consumedRightSpace;
if (this->lineOffset_ != tabsStart)
{
this->lineOffset_ = tabsStart;
this->update();
}
// set page bounds
if (this->selectedPage_ != nullptr)
{
this->selectedPage_->move(0, 0);
this->selectedPage_->resize(tabsStart, height());
this->selectedPage_->raise();
}
}
else if (this->tabLocation_ == NotebookTabLocation::Bottom)
{
auto x = left;
auto y = bottom;
auto consumedButtonHeights = 0;
// set size of custom buttons (settings, user, ...)
for (auto *btn : this->customButtons_)
{
if (!btn->isVisible())
{
continue;
}
// move upward to place button below location (x, y)
y = bottom - tabHeight;
btn->setFixedSize(buttonWidth, buttonHeight);
btn->move(x, y);
x += buttonWidth;
consumedButtonHeights = tabHeight;
}
if (this->showTabs_)
{
// reset vertical position regardless
y = bottom - tabHeight - tabSpacer;
// layout tabs
/// Notebook tabs need to know if they are in the last row.
auto *firstInBottomRow =
filteredItems.empty() ? nullptr : &filteredItems.front();
for (auto &item : filteredItems)
{
/// Break line if element doesn't fit.
auto isFirst = &item == &filteredItems.front();
auto isLast = &item == &filteredItems.back();
auto fitsInLine = ((isLast ? addButtonWidth : 0) + x +
item.tab->width()) <= width();
if (!isFirst && !fitsInLine)
{
y -= item.tab->height();
x = left;
firstInBottomRow = &item;
}
/// Layout tab
item.tab->growWidth(0);
item.tab->moveAnimated(QPoint(x, y), animated);
x += item.tab->width() + tabSpacer;
}
/// Update which tabs are in the last row
auto inLastRow = false;
for (const auto &item : filteredItems)
{
if (&item == firstInBottomRow)
{
inLastRow = true;
}
item.tab->setInLastRow(inLastRow);
}
// move misc buttons
if (this->showAddButton_)
{
this->addButton_->move(x, y);
}
}
int consumedBottomSpace =
std::max({bottom - y, consumedButtonHeights, minimumTabAreaSpace});
int tabsStart = bottom - consumedBottomSpace - lineThickness;
int consumedBottomSpace = std::max(
{ctx.bottom - y, consumedButtonHeights, ctx.minimumTabAreaSpace});
int tabsStart = ctx.bottom - consumedBottomSpace - ctx.lineThickness;
if (this->lineOffset_ != tabsStart)
{
@@ -1135,18 +857,207 @@ void Notebook::performLayout(bool animated)
this->selectedPage_->raise();
}
}
if (this->showTabs_)
else
{
// raise elements
for (auto &i : this->items_)
y = std::max({y, consumedButtonHeights, ctx.minimumTabAreaSpace});
if (this->lineOffset_ != y)
{
i.tab->raise();
this->lineOffset_ = y;
this->update();
}
if (this->showAddButton_)
/// Increment for the line at the bottom
y += int(2 * ctx.scale);
// set page bounds
if (this->selectedPage_ != nullptr)
{
this->addButton_->raise();
this->selectedPage_->move(0, y);
this->selectedPage_->resize(width(), height() - y);
this->selectedPage_->raise();
}
}
}
void Notebook::performVerticalLayout(const LayoutContext &ctx, bool animated)
{
int x = 0;
int y = 0;
int consumedButtonWidths = 0;
const bool isRight = this->tabLocation_ == NotebookTabLocation::Right;
if (isRight)
{
x = ctx.right;
// set size of custom buttons (settings, user, ...)
for (auto btnIt = this->customButtons_.rbegin();
btnIt != this->customButtons_.rend(); ++btnIt)
{
auto *btn = *btnIt;
if (!btn->isVisible())
{
continue;
}
x -= ctx.buttonWidth;
btn->setFixedSize(ctx.buttonWidth, ctx.buttonHeight);
btn->move(x, y);
}
consumedButtonWidths = ctx.right - x;
x = ctx.right;
}
else
{
x = ctx.left;
// set size of custom buttons (settings, user, ...)
for (auto *btn : this->customButtons_)
{
if (!btn->isVisible())
{
continue;
}
btn->setFixedSize(ctx.buttonWidth, ctx.buttonHeight);
btn->move(x, y);
x += ctx.buttonWidth;
}
consumedButtonWidths = x;
x = ctx.left;
}
if (this->visibleButtonCount() > 0)
{
y = ctx.tabHeight + ctx.lineThickness; // account for divider line
}
const int top = y + ctx.tabSpacer; // add margin
y = top;
// zneix: if we were to remove buttons when tabs are hidden
// stuff below to "set page bounds" part should be in conditional statement
int tabsPerColumn =
(this->height() - top) / (ctx.tabHeight + ctx.tabSpacer);
if (tabsPerColumn == 0) // window hasn't properly rendered yet
{
return;
}
int count = ctx.items.size() + (this->showAddButton_ ? 1 : 0);
int columnCount = ceil((float)count / tabsPerColumn);
// only add width of all the tabs if they are not hidden
if (this->showTabs_)
{
for (int col = 0; col < columnCount; col++)
{
bool isLastColumn = col == columnCount - 1;
auto largestWidth = 0;
int tabStart = col * tabsPerColumn;
int tabEnd =
std::min(static_cast<size_t>((col + 1) * tabsPerColumn),
ctx.items.size());
for (int i = tabStart; i < tabEnd; i++)
{
largestWidth =
std::max(ctx.items[i].tab->normalTabWidth(), largestWidth);
}
if (isLastColumn && this->showAddButton_)
{
largestWidth =
std::max(largestWidth, this->addButton_->width());
}
if (isLastColumn)
{
if (isRight)
{
int distanceFromRight = width() - x;
largestWidth = std::max(
largestWidth, consumedButtonWidths - distanceFromRight);
}
else
{
largestWidth =
std::max(largestWidth, consumedButtonWidths - x);
}
}
if (isRight)
{
x -= largestWidth + ctx.lineThickness;
}
for (int i = tabStart; i < tabEnd; i++)
{
auto item = ctx.items[i];
/// Layout tab
item.tab->growWidth(largestWidth);
item.tab->moveAnimated(QPoint(x, y), animated);
item.tab->setInLastRow(isLastColumn);
y += ctx.tabHeight + ctx.tabSpacer;
}
if (isLastColumn && this->showAddButton_)
{
this->addButton_->move(x, y);
}
if (!isRight)
{
x += largestWidth + ctx.lineThickness;
}
y = top;
}
}
if (isRight)
{
// subtract another lineThickness to account for vertical divider
x -= ctx.lineThickness;
int consumedRightSpace = std::max(
{ctx.right - x, consumedButtonWidths, ctx.minimumTabAreaSpace});
int tabsStart = ctx.right - consumedRightSpace;
if (this->lineOffset_ != tabsStart)
{
this->lineOffset_ = tabsStart;
this->update();
}
// set page bounds
if (this->selectedPage_ != nullptr)
{
this->selectedPage_->move(0, 0);
this->selectedPage_->resize(tabsStart, height());
this->selectedPage_->raise();
}
}
else
{
x = std::max({x, consumedButtonWidths, ctx.minimumTabAreaSpace});
if (this->lineOffset_ != x - ctx.lineThickness)
{
this->lineOffset_ = x - ctx.lineThickness;
this->update();
}
// set page bounds
if (this->selectedPage_ != nullptr)
{
this->selectedPage_->move(x, 0);
this->selectedPage_->resize(width() - x, height());
this->selectedPage_->raise();
}
}
}