// Automatically positions tabs
// TODO: this should just add the tab to a list, and then
// a layout function (e.g. Realize) should be called when all tabs have been added.
// The view rect could easily change as the view window is resized.
wxTabControl *wxTabView::AddTab(int id, const wxString& label, wxTabControl *existingTab)
{
// First, find which layer we should be adding to.
wxTabLayerList::compatibility_iterator node = m_layers.GetLast();
if (!node)
{
wxTabLayer *newLayer = new wxTabLayer;
node = m_layers.Append(newLayer);
}
// Check if adding another tab control would go off the
// right-hand edge of the layer.
wxTabLayer *tabLayer = (wxTabLayer *)node->GetData();
wxList::compatibility_iterator lastTabNode = tabLayer->GetLast();
if (lastTabNode)
{
wxTabControl *lastTab = (wxTabControl *)lastTabNode->GetData();
// Start another layer (row).
// Tricky choice: can't just check if will be overlapping the edge, because
// this happens anyway for 2nd and subsequent rows.
// Should check this for 1st row, and then subsequent rows should not exceed 1st
// in length.
if (((tabLayer == m_layers.GetFirst()->GetData()) && ((lastTab->GetX() + 2*lastTab->GetWidth() + GetHorizontalTabSpacing())
> GetViewRect().width)) ||
((tabLayer != m_layers.GetFirst()->GetData()) && (tabLayer->GetCount() == ((wxTabLayer *)m_layers.GetFirst()->GetData())->GetCount())))
{
tabLayer = new wxTabLayer;
m_layers.Append(tabLayer);
lastTabNode = wxList::compatibility_iterator();
}
}
int layer = m_layers.GetCount() - 1;
wxTabControl *tabControl = existingTab;
if (!existingTab)
tabControl = OnCreateTabControl();
tabControl->SetRowPosition(tabLayer->GetCount());
tabControl->SetColPosition(layer);
wxTabControl *lastTab = NULL;
if (lastTabNode)
lastTab = (wxTabControl *)lastTabNode->GetData();
// Top of new tab
int verticalOffset = (- GetTopMargin()) - ((layer+1)*GetTabHeight());
// Offset from view top-left
int horizontalOffset = 0;
if (!lastTab)
horizontalOffset = layer*GetHorizontalTabOffset();
else
horizontalOffset = lastTab->GetX() + GetTabWidth() + GetHorizontalTabSpacing();
tabControl->SetPosition(horizontalOffset, verticalOffset);
tabControl->SetSize(GetTabWidth(), GetTabHeight());
tabControl->SetId(id);
tabControl->SetLabel(label);
tabControl->SetFont(* GetTabFont());
tabLayer->Append(tabControl);
m_noTabs ++;
return tabControl;
}
void clTabRendererClassic::Draw(wxWindow* parent, wxDC& dc, wxDC& fontDC, const clTabInfo& tabInfo,
const clTabColours& colors, size_t style, eButtonState buttonState)
{
const int tabRaius = 1.5;
clTabColours colours = colors;
if(DrawingUtils::IsDark(colours.activeTabBgColour)) {
InitDarkColours(colours, colours.activeTabBgColour);
} else {
InitLightColours(colours, colours.activeTabBgColour);
}
wxColour bgColour(tabInfo.IsActive() ? colours.activeTabBgColour : colours.inactiveTabBgColour);
wxColour penColour(tabInfo.IsActive() ? colours.activeTabPenColour : colours.inactiveTabPenColour);
wxFont font = GetTabFont(false);
fontDC.SetTextForeground(tabInfo.IsActive() ? colours.activeTabTextColour : colours.inactiveTabTextColour);
fontDC.SetFont(font);
if(style & kNotebook_BottomTabs) {
// Bottom tabs
wxRect tabRect = tabInfo.GetRect();
tabRect.SetHeight(tabRect.GetHeight() + tabRaius);
tabRect.SetY(tabRect.GetY() - tabRaius);
{
dc.SetPen(penColour);
dc.SetBrush(bgColour);
dc.DrawRoundedRectangle(tabRect, tabRaius);
}
{
tabRect.Deflate(1); // The inner border
dc.SetPen(tabInfo.IsActive() ? colours.activeTabInnerPenColour : colours.inactiveTabInnerPenColour);
dc.SetBrush(bgColour);
dc.DrawRoundedRectangle(tabRect, tabRaius);
}
} else {
// Default tabs (placed at the top)
wxRect tabRect = tabInfo.GetRect();
tabRect.SetHeight(tabRect.GetHeight() + tabRaius);
{
dc.SetPen(penColour);
dc.SetBrush(bgColour);
dc.DrawRoundedRectangle(tabRect, tabRaius);
}
{
tabRect.Deflate(1); // The inner border
dc.SetPen(tabInfo.IsActive() ? colours.activeTabInnerPenColour : colours.inactiveTabInnerPenColour);
dc.SetBrush(bgColour);
dc.DrawRoundedRectangle(tabRect, tabRaius);
}
}
// Draw bitmap
if(tabInfo.GetBitmap().IsOk()) {
const wxBitmap& bmp = (!tabInfo.IsActive() && tabInfo.GetDisabledBitmp().IsOk()) ? tabInfo.GetDisabledBitmp()
: tabInfo.GetBitmap();
dc.DrawBitmap(bmp, tabInfo.m_bmpX + tabInfo.m_rect.GetX(), tabInfo.m_bmpY);
}
fontDC.DrawText(tabInfo.m_label, tabInfo.m_textX + tabInfo.m_rect.GetX(), tabInfo.m_textY);
if(tabInfo.IsActive() && (style & kNotebook_CloseButtonOnActiveTab)) {
DrawButton(parent, dc, tabInfo, colours, buttonState);
}
}
