// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
- #pragma interface "splittree.cpp"
+ #pragma implementation "splittree.h"
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wx.h"
#endif
+#ifdef __WXMSW__
+#include <windows.h>
+#include "wx/msw/winundef.h"
+#endif
+
#include "wx/generic/treectlg.h"
#include "wx/gizmos/splittree.h"
+#include <math.h>
/*
* wxRemotelyScrolledTreeCtrl
BEGIN_EVENT_TABLE(wxRemotelyScrolledTreeCtrl, wxTreeCtrl)
#endif
EVT_SIZE(wxRemotelyScrolledTreeCtrl::OnSize)
- EVT_PAINT(wxRemotelyScrolledTreeCtrl::OnPaint)
EVT_TREE_ITEM_EXPANDED(-1, wxRemotelyScrolledTreeCtrl::OnExpand)
EVT_TREE_ITEM_COLLAPSED(-1, wxRemotelyScrolledTreeCtrl::OnExpand)
EVT_SCROLLWIN(wxRemotelyScrolledTreeCtrl::OnScroll)
const wxSize& sz, long style):
wxTreeCtrl(parent, id, pt, sz, style)
{
+ m_companionWindow = NULL;
}
wxRemotelyScrolledTreeCtrl::~wxRemotelyScrolledTreeCtrl()
}
}
+// In case we're using the generic tree control.
+int wxRemotelyScrolledTreeCtrl::GetScrollPos(int orient) const
+{
+ wxScrolledWindow* scrolledWindow = GetScrolledWindow();
+
+ if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
+ {
+ wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
+
+ if (orient == wxHORIZONTAL)
+ return win->wxGenericTreeCtrl::GetScrollPos(orient);
+ else
+ {
+ return scrolledWindow->GetScrollPos(orient);
+ }
+ }
+ return 0;
+}
+
+
// In case we're using the generic tree control.
// Get the view start
void wxRemotelyScrolledTreeCtrl::GetViewStart(int *x, int *y) const
{
+ wxScrolledWindow* scrolledWindow = GetScrolledWindow();
+
if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
{
- wxScrolledWindow* scrolledWindow = GetScrolledWindow();
wxGenericTreeCtrl* win = (wxGenericTreeCtrl*) this;
int x1, y1, x2, y2;
scrolledWindow->GetViewStart(& x2, & y2);
* y = y2;
}
+ else
+ {
+ // x is wrong since the horizontal scrollbar is controlled by the
+ // tree control, but we probably don't need it.
+ scrolledWindow->GetViewStart(x, y);
+ }
}
// In case we're using the generic tree control.
scrolledWindow->GetScrollPixelsPerUnit(& xppu2, & yppu2);
dc.SetDeviceOrigin( -startX * xppu1, -startY * yppu2 );
- dc.SetUserScale( m_scaleX, m_scaleY );
+ // dc.SetUserScale( win->GetScaleX(), win->GetScaleY() );
}
}
// If we don't have this, we get some bits of lines still remaining
if (event.GetEventType() == wxEVT_COMMAND_TREE_ITEM_COLLAPSED)
Refresh();
+
+ // Pass on the event
+ if (m_companionWindow)
+ m_companionWindow->GetEventHandler()->ProcessEvent(event);
}
// Adjust the containing wxScrolledWindow's scrollbars appropriately
void wxRemotelyScrolledTreeCtrl::AdjustRemoteScrollbars()
{
- // WILL THIS BE DONE AUTOMATICALLY BY THE GENERIC TREE CONTROL?
-/*
-
-Problem with remote-scrolling the generic tree control. It relies
-on PrepareDC for adjusting the device origin, which in turn takes
-values from wxScrolledWindow: which we've turned off in order to use
-a different scrollbar :-( So we could override PrepareDC and use
-the _other_ scrolled window's position instead.
-Note also ViewStart would need to be overridden.
-Plus, wxGenericTreeCtrl::OnPaint will reset the device origin.
-
-*/
-
- // Assumption: wxGenericTreeCtrl will adjust the scrollbars automatically,
- // since it'll call SetScrollbars and we've defined this to Do The Right Thing.
- if (!IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
+ if (IsKindOf(CLASSINFO(wxGenericTreeCtrl)))
+ {
+ // This is for the generic tree control.
+ // It calls SetScrollbars which has been overridden
+ // to adjust the parent scrolled window vertical
+ // scrollbar.
+ ((wxGenericTreeCtrl*) this)->AdjustMyScrollbars();
return;
-
- wxScrolledWindow* scrolledWindow = GetScrolledWindow();
- if (scrolledWindow)
+ }
+ else
{
- wxRect itemRect;
- if (GetBoundingRect(GetRootItem(), itemRect))
+ // This is for the wxMSW tree control
+ wxScrolledWindow* scrolledWindow = GetScrolledWindow();
+ if (scrolledWindow)
{
- int itemHeight = itemRect.GetHeight();
-
- int w, h;
- GetClientSize(&w, &h);
-
- wxRect rect(0, 0, 0, 0);
- CalcTreeSize(rect);
- int treeViewHeight = rect.GetHeight()/itemHeight;
-
- int scrollPixelsPerLine = itemHeight;
- int scrollPos = - (itemRect.y / itemHeight);
-
- scrolledWindow->SetScrollbars(0, scrollPixelsPerLine, 0, treeViewHeight, 0, scrollPos);
-
- // Ensure that when a scrollbar becomes hidden or visible,
- // the contained window sizes are right.
- // Problem: this is called too early (?)
- wxSizeEvent event(scrolledWindow->GetSize(), scrolledWindow->GetId());
- scrolledWindow->GetEventHandler()->ProcessEvent(event);
+ wxRect itemRect;
+ if (GetBoundingRect(GetRootItem(), itemRect))
+ {
+ // Actually, the real height seems to be 1 less than reported
+ // (e.g. 16 instead of 16)
+ int itemHeight = itemRect.GetHeight() - 1;
+
+ int w, h;
+ GetClientSize(&w, &h);
+
+ wxRect rect(0, 0, 0, 0);
+ CalcTreeSize(rect);
+
+ double f = ((double) (rect.GetHeight()) / (double) itemHeight) ;
+ int treeViewHeight = (int) ceil(f);
+
+ int scrollPixelsPerLine = itemHeight;
+ int scrollPos = - (itemRect.y / itemHeight);
+
+ scrolledWindow->SetScrollbars(0, scrollPixelsPerLine, 0, treeViewHeight, 0, scrollPos);
+
+ // Ensure that when a scrollbar becomes hidden or visible,
+ // the contained window sizes are right.
+ // Problem: this is called too early (?)
+ wxSizeEvent event(scrolledWindow->GetSize(), scrolledWindow->GetId());
+ scrolledWindow->GetEventHandler()->ProcessEvent(event);
+ }
}
}
}
CalcTreeSize(GetRootItem(), rect);
}
-void wxRemotelyScrolledTreeCtrl::CalcTreeSize(wxTreeItemId& id, wxRect& rect)
+void wxRemotelyScrolledTreeCtrl::CalcTreeSize(const wxTreeItemId& id, wxRect& rect)
{
- // TODO: implement GetFirst/NextVisibleItem
- // for wxGenericTreeCtrl, plus GetBoundingRect.
-
// More efficient implementation would be to find the last item (but how?)
// Q: is the bounding rect relative to the top of the virtual tree workspace
// or the top of the window? How would we convert?
return NULL;
}
-void wxRemotelyScrolledTreeCtrl::OnPaint(wxPaintEvent& event)
+void wxRemotelyScrolledTreeCtrl::OnScroll(wxScrollWinEvent& event)
{
- wxPaintDC dc(this);
+ int orient = event.GetOrientation();
+ if (orient == wxHORIZONTAL)
+ {
+ event.Skip();
+ return;
+ }
+ wxScrolledWindow* scrollWin = GetScrolledWindow();
+ if (!scrollWin)
+ return;
+
+ int x, y;
+ scrollWin->GetViewStart(& x, & y);
- wxTreeCtrl::OnPaint(event);
+ ScrollToLine(-1, y);
+}
+
+/*
+ * wxTreeCompanionWindow
+ *
+ * A window displaying values associated with tree control items.
+ */
- // Reset the device origin since it may have been set
- dc.SetDeviceOrigin(0, 0);
+IMPLEMENT_CLASS(wxTreeCompanionWindow, wxWindow)
- wxSize sz = GetClientSize();
+BEGIN_EVENT_TABLE(wxTreeCompanionWindow, wxWindow)
+ EVT_PAINT(wxTreeCompanionWindow::OnPaint)
+ EVT_SCROLLWIN(wxTreeCompanionWindow::OnScroll)
+ EVT_TREE_ITEM_EXPANDED(-1, wxTreeCompanionWindow::OnExpand)
+ EVT_TREE_ITEM_COLLAPSED(-1, wxTreeCompanionWindow::OnExpand)
+END_EVENT_TABLE()
+
+wxTreeCompanionWindow::wxTreeCompanionWindow(wxWindow* parent, wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& sz,
+ long style):
+ wxWindow(parent, id, pos, sz, style)
+{
+ m_treeCtrl = NULL;
+}
+
+void wxTreeCompanionWindow::DrawItem(wxDC& dc, wxTreeItemId id, const wxRect& rect)
+{
+ // TEST CODE
+#if 1
+ if (m_treeCtrl)
+ {
+ wxString text = m_treeCtrl->GetItemText(id);
+ dc.SetTextForeground(* wxBLACK);
+ dc.SetBackgroundMode(wxTRANSPARENT);
+
+ int textW, textH;
+ dc.GetTextExtent(text, & textW, & textH);
+
+ int x = 5;
+ int y = rect.GetY() + wxMax(0, (rect.GetHeight() - textH) / 2);
+
+ dc.DrawText(text, x, y);
+ }
+#endif
+}
+
+void wxTreeCompanionWindow::OnPaint(wxPaintEvent& event)
+{
+ wxPaintDC dc(this);
+
+ if (!m_treeCtrl)
+ return;
- wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
+ wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
dc.SetPen(pen);
dc.SetBrush(* wxTRANSPARENT_BRUSH);
+ wxFont font(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+ dc.SetFont(font);
+ wxSize clientSize = GetClientSize();
wxRect itemRect;
- if (GetBoundingRect(GetRootItem(), itemRect))
+ int cy=0;
+ wxTreeItemId h, lastH;
+ for(h=m_treeCtrl->GetFirstVisibleItem();h;h=m_treeCtrl->GetNextVisible(h))
{
- int itemHeight = itemRect.GetHeight();
- wxRect rcClient = GetRect();
- int cy=0;
- wxTreeItemId h;
- for(h=GetFirstVisibleItem();h;h=GetNextVisible(h))
+ if (m_treeCtrl->GetBoundingRect(h, itemRect))
{
- dc.DrawLine(rcClient.x, cy, rcClient.x + rcClient.width, cy);
- cy += itemHeight;
+ cy = itemRect.GetTop();
+ wxRect drawItemRect(0, cy, clientSize.x, itemRect.GetHeight());
+
+ lastH = h;
+
+ // Draw the actual item
+ DrawItem(dc, h, drawItemRect);
+ dc.DrawLine(0, cy, clientSize.x, cy);
}
- dc.DrawLine(rcClient.x, cy, rcClient.x + rcClient.width, cy);
+ }
+ if (lastH.IsOk() && m_treeCtrl->GetBoundingRect(lastH, itemRect))
+ {
+ cy = itemRect.GetBottom();
+ dc.DrawLine(0, cy, clientSize.x, cy);
}
}
-void wxRemotelyScrolledTreeCtrl::OnScroll(wxScrollWinEvent& event)
+void wxTreeCompanionWindow::OnScroll(wxScrollWinEvent& event)
{
int orient = event.GetOrientation();
if (orient == wxHORIZONTAL)
{
- // Don't 'skip' or we'd get into infinite recursion
+ event.Skip();
return;
}
- wxScrolledWindow* scrollWin = GetScrolledWindow();
- if (!scrollWin)
+ if (!m_treeCtrl)
return;
- int x, y;
- scrollWin->GetViewStart(& x, & y);
+ // TODO: scroll the window physically instead of just refreshing.
+ Refresh(TRUE);
+}
- ScrollToLine(-1, y);
+void wxTreeCompanionWindow::OnExpand(wxTreeEvent& event)
+{
+ // TODO: something more optimized than simply refresh the whole
+ // window when the tree is expanded/collapsed. Tricky.
+ Refresh();
}
/*
// don't cause an infinite loop
static bool inOnScroll = FALSE;
if (inOnScroll)
+ {
+ event.Skip();
return;
+ }
inOnScroll = TRUE;
-
+
int orient = event.GetOrientation();
int nScrollInc = CalcScrollInc(event);
if (orient == wxHORIZONTAL)
{
+ inOnScroll = FALSE;
+ event.Skip();
+ return;
+#if 0
int newPos = m_xScrollPosition + nScrollInc;
SetScrollPos(wxHORIZONTAL, newPos, TRUE );
+#endif
}
else
{
projects / wxWidgets.git / blobdiff