Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
6f2a55e34ab1f8fa99dfd2f7ca5488685395db28
wxWidgets/src/generic/splitter.cpp
Vadim Zeitlin 6f2a55e34a 1. more HP-UX warning fixes (almost done...) 
2. added a macro WXUNUSED_UNLESS_DEBUG()


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5273 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2000-01-06 15:42:32 +00:00

908 lines
26 KiB
C++
Raw Blame History

/////////////////////////////////////////////////////////////////////////////
// Name: splitter.cpp
// Purpose: wxSplitterWindow implementation
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "splitter.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/window.h"
#include "wx/dialog.h"
#include "wx/frame.h"
#endif
#include <stdlib.h>
#include "wx/string.h"
#include "wx/splitter.h"
#include "wx/dcscreen.h"
#include "wx/settings.h"
IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow)
IMPLEMENT_DYNAMIC_CLASS(wxSplitterEvent, wxCommandEvent)
BEGIN_EVENT_TABLE(wxSplitterWindow, wxWindow)
EVT_PAINT(wxSplitterWindow::OnPaint)
EVT_SIZE(wxSplitterWindow::OnSize)
EVT_IDLE(wxSplitterWindow::OnIdle)
EVT_MOUSE_EVENTS(wxSplitterWindow::OnMouseEvent)
EVT_SPLITTER_SASH_POS_CHANGED(-1, wxSplitterWindow::OnSashPosChanged)
// NB: we borrow OnSashPosChanged for purposes of
// EVT_SPLITTER_SASH_POS_CHANGING since default implementation is identical
EVT_SPLITTER_SASH_POS_CHANGING(-1, wxSplitterWindow::OnSashPosChanged)
EVT_SPLITTER_DCLICK(-1, wxSplitterWindow::OnDoubleClick)
EVT_SPLITTER_UNSPLIT(-1, wxSplitterWindow::OnUnsplitEvent)
END_EVENT_TABLE()
wxSplitterWindow::wxSplitterWindow()
{
m_splitMode = wxSPLIT_VERTICAL;
m_permitUnsplitAlways = FALSE;
m_windowOne = (wxWindow *) NULL;
m_windowTwo = (wxWindow *) NULL;
m_dragMode = wxSPLIT_DRAG_NONE;
m_oldX = 0;
m_oldY = 0;
m_firstX = 0;
m_firstY = 0;
m_sashSize = 7;
m_borderSize = 2;
m_sashPosition = 0;
m_sashCursorWE = (wxCursor *) NULL;
m_sashCursorNS = (wxCursor *) NULL;
m_sashTrackerPen = (wxPen *) NULL;
m_lightShadowPen = (wxPen *) NULL;
m_mediumShadowPen = (wxPen *) NULL;
m_darkShadowPen = (wxPen *) NULL;
m_faceBrush = (wxBrush *) NULL;
m_facePen = (wxPen *) NULL;
m_hilightPen = (wxPen *) NULL;
m_minimumPaneSize = 0;
m_needUpdating = FALSE;
}
wxSplitterWindow::wxSplitterWindow(wxWindow *parent, wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name)
: wxWindow(parent, id, pos, size, style, name)
{
m_splitMode = wxSPLIT_VERTICAL;
m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
m_windowOne = (wxWindow *) NULL;
m_windowTwo = (wxWindow *) NULL;
m_dragMode = wxSPLIT_DRAG_NONE;
m_oldX = 0;
m_oldY = 0;
m_firstX = 0;
m_firstY = 0;
m_sashSize = 7;
m_borderSize = 2;
m_sashPosition = 0;
m_minimumPaneSize = 0;
m_sashCursorWE = new wxCursor(wxCURSOR_SIZEWE);
m_sashCursorNS = new wxCursor(wxCURSOR_SIZENS);
m_sashTrackerPen = new wxPen(*wxBLACK, 2, wxSOLID);
m_lightShadowPen = (wxPen *) NULL;
m_mediumShadowPen = (wxPen *) NULL;
m_darkShadowPen = (wxPen *) NULL;
m_faceBrush = (wxBrush *) NULL;
m_facePen = (wxPen *) NULL;
m_hilightPen = (wxPen *) NULL;
if ( style & wxSP_3D )
{
m_borderSize = 2;
m_sashSize = 7;
}
else if ( style & wxSP_BORDER )
{
m_borderSize = 1;
m_sashSize = 3;
}
else
{
m_borderSize = 0;
m_sashSize = 3;
}
// Eventually, we'll respond to colour change messages
InitColours();
// For debugging purposes, to see the background.
// SetBackground(wxBLUE_BRUSH);
m_needUpdating = FALSE;
}
wxSplitterWindow::~wxSplitterWindow()
{
delete m_sashCursorWE;
delete m_sashCursorNS;
delete m_sashTrackerPen;
delete m_lightShadowPen;
delete m_darkShadowPen;
delete m_mediumShadowPen;
delete m_hilightPen;
delete m_facePen;
delete m_faceBrush;
}
void wxSplitterWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxPaintDC dc(this);
if ( m_borderSize > 0 )
DrawBorders(dc);
DrawSash(dc);
}
void wxSplitterWindow::OnIdle(wxIdleEvent& WXUNUSED(event))
{
if (m_needUpdating)
SizeWindows();
}
void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
{
wxCoord x = (wxCoord)event.GetX(),
y = (wxCoord)event.GetY();
// reset the cursor
#ifdef __WXMOTIF__
SetCursor(* wxSTANDARD_CURSOR);
#endif
#ifdef __WXMSW__
SetCursor(wxCursor());
#endif
if (event.LeftDown())
{
if ( SashHitTest(x, y) )
{
CaptureMouse();
m_dragMode = wxSPLIT_DRAG_DRAGGING;
if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0)
{
DrawSashTracker(x, y);
}
m_oldX = x;
m_oldY = y;
return;
}
}
else if (event.LeftUp() && m_dragMode == wxSPLIT_DRAG_DRAGGING)
{
// We can stop dragging now and see what we've got.
m_dragMode = wxSPLIT_DRAG_NONE;
ReleaseMouse();
// Erase old tracker
if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0)
{
DrawSashTracker(m_oldX, m_oldY);
}
// Obtain window size. We are only interested in the dimension the sash
// splits up
int w, h;
GetClientSize(&w, &h);
int window_size = (m_splitMode == wxSPLIT_VERTICAL ? w : h );
int new_sash_position =
(int) ( m_splitMode == wxSPLIT_VERTICAL ? x : y );
wxSplitterEvent eventSplitter(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED,
this);
eventSplitter.m_data.pos = new_sash_position;
if ( GetEventHandler()->ProcessEvent(eventSplitter) )
{
new_sash_position = eventSplitter.GetSashPosition();
if ( new_sash_position == -1 )
{
// change not allowed
return;
}
}
if ( m_permitUnsplitAlways
|| m_minimumPaneSize == 0 )
{
// Deal with possible unsplit scenarios
if ( new_sash_position == 0 )
{
// We remove the first window from the view
wxWindow *removedWindow = m_windowOne;
m_windowOne = m_windowTwo;
m_windowTwo = (wxWindow *) NULL;
SendUnsplitEvent(removedWindow);
m_sashPosition = 0;
}
else if ( new_sash_position == window_size )
{
// We remove the second window from the view
wxWindow *removedWindow = m_windowTwo;
m_windowTwo = (wxWindow *) NULL;
SendUnsplitEvent(removedWindow);
m_sashPosition = 0;
}
else
{
m_sashPosition = new_sash_position;
}
}
else
{
m_sashPosition = new_sash_position;
}
SizeWindows();
} // left up && dragging
else if (event.Moving() && !event.Dragging())
{
// Just change the cursor if required
if ( SashHitTest(x, y) )
{
if ( m_splitMode == wxSPLIT_VERTICAL )
{
SetCursor(*m_sashCursorWE);
}
else
{
SetCursor(*m_sashCursorNS);
}
}
#ifdef __WXGTK__
else
{
// where else do we unset the cursor?
SetCursor(* wxSTANDARD_CURSOR);
}
#endif // __WXGTK__
}
else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING))
{
// Obtain window size. We are only interested in the dimension the sash
// splits up
int new_sash_position =
(int) ( m_splitMode == wxSPLIT_VERTICAL ? x : y );
wxSplitterEvent eventSplitter(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING,
this);
eventSplitter.m_data.pos = new_sash_position;
if ( GetEventHandler()->ProcessEvent(eventSplitter) )
{
new_sash_position = eventSplitter.GetSashPosition();
if ( new_sash_position == -1 )
{
// change not allowed
return;
}
}
// Erase old tracker
if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0)
{
DrawSashTracker(m_oldX, m_oldY);
}
if (m_splitMode == wxSPLIT_VERTICAL)
x = new_sash_position;
else
y = new_sash_position;
if (new_sash_position != -1)
{
// Only modify if permitted
m_oldX = x;
m_oldY = y;
}
#ifdef __WXMSW__
// As we captured the mouse, we may get the mouse events from outside
// our window - for example, negative values in x, y. This has a weird
// consequence under MSW where we use unsigned values sometimes and
// signed ones other times: the coordinates turn as big positive
// numbers and so the sash is drawn on the *right* side of the window
// instead of the left (or bottom instead of top). Correct this.
if ( (short)m_oldX < 0 )
m_oldX = 0;
if ( (short)m_oldY < 0 )
m_oldY = 0;
#endif // __WXMSW__
// Draw new one
if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0)
{
DrawSashTracker(m_oldX, m_oldY);
}
else
{
m_sashPosition = new_sash_position;
m_needUpdating = TRUE;
}
}
else if ( event.LeftDClick() )
{
wxSplitterEvent eventSplitter(wxEVT_COMMAND_SPLITTER_DOUBLECLICKED,
this);
eventSplitter.m_data.pt.x = x;
eventSplitter.m_data.pt.y = y;
(void)GetEventHandler()->ProcessEvent(eventSplitter);
}
}
void wxSplitterWindow::OnSize(wxSizeEvent& event)
{
// only process this message if we're not iconized - otherwise iconizing
// and restoring a window containing the splitter has a funny side effect
// of changing the splitter position!
wxWindow *parent = GetParent();
while ( parent && !parent->IsTopLevel() )
{
parent = parent->GetParent();
}
bool iconized = FALSE;
wxFrame *frame = wxDynamicCast(parent, wxFrame);
if ( frame )
iconized = frame->IsIconized();
else
{
wxDialog *dialog = wxDynamicCast(parent, wxDialog);
if ( dialog )
iconized = dialog->IsIconized();
else
wxFAIL_MSG(wxT("should have a top level frame or dialog parent!"));
}
if ( iconized )
{
event.Skip();
}
else
{
int cw, ch;
GetClientSize( &cw, &ch );
if ( m_windowTwo )
{
if ( m_splitMode == wxSPLIT_VERTICAL )
{
if ( m_sashPosition >= (cw - 5) )
m_sashPosition = wxMax(10, cw - 40);
}
if ( m_splitMode == wxSPLIT_HORIZONTAL )
{
if ( m_sashPosition >= (ch - 5) )
m_sashPosition = wxMax(10, ch - 40);
}
}
SizeWindows();
}
}
bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
{
if ( m_windowTwo == NULL || m_sashPosition == 0)
return FALSE; // No sash
if ( m_splitMode == wxSPLIT_VERTICAL )
{
if ( (x >= m_sashPosition - tolerance) && (x <= m_sashPosition + m_sashSize + tolerance) )
return TRUE;
else
return FALSE;
}
else
{
if ( (y >= (m_sashPosition- tolerance)) && (y <= (m_sashPosition + m_sashSize + tolerance)) )
return TRUE;
else
return FALSE;
}
}
// Draw 3D effect borders
void wxSplitterWindow::DrawBorders(wxDC& dc)
{
int w, h;
GetClientSize(&w, &h);
if ( GetWindowStyleFlag() & wxSP_3D )
{
dc.SetPen(*m_facePen);
dc.SetBrush(*m_faceBrush);
dc.DrawRectangle(1, 1 , w-1, m_borderSize-2 ); //high
dc.DrawRectangle(1, m_borderSize-2 , m_borderSize-2, h-1 ); // left
dc.DrawRectangle(w-m_borderSize+2, m_borderSize-2 , w-1, h-1 ); // right
dc.DrawRectangle(m_borderSize-2, h-m_borderSize+2 , w-m_borderSize+2, h-1 ); //bottom
dc.SetPen(*m_mediumShadowPen);
dc.DrawLine(m_borderSize-2, m_borderSize-2, w-m_borderSize+1, m_borderSize-2);
dc.DrawLine(m_borderSize-2, m_borderSize-2, m_borderSize-2, h-m_borderSize+1);
dc.SetPen(*m_darkShadowPen);
dc.DrawLine(m_borderSize-1, m_borderSize-1, w-m_borderSize, m_borderSize-1);
dc.DrawLine(m_borderSize-1, m_borderSize-1, m_borderSize-1, h-m_borderSize);
dc.SetPen(*m_hilightPen);
dc.DrawLine(m_borderSize - 2, h-m_borderSize+1, w-m_borderSize+1, h-m_borderSize+1);
dc.DrawLine(w-m_borderSize+1, m_borderSize - 2, w-m_borderSize+1, h-m_borderSize+2); // Surely the maximum y pos. should be h - 1.
/// Anyway, h is required for MSW.
dc.SetPen(*m_lightShadowPen);
dc.DrawLine(w-m_borderSize, m_borderSize-1, w-m_borderSize, h-m_borderSize); // Right hand side
dc.DrawLine(m_borderSize-1, h-m_borderSize, w-m_borderSize+1, h-m_borderSize); // Bottom
}
else if ( GetWindowStyleFlag() & wxSP_BORDER )
{
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.SetPen(*wxBLACK_PEN);
dc.DrawRectangle(0, 0, w-1, h-1);
}
dc.SetPen(wxNullPen);
dc.SetBrush(wxNullBrush);
}
// Draw the sash
void wxSplitterWindow::DrawSash(wxDC& dc)
{
if ( m_sashPosition == 0 || !m_windowTwo)
return;
int w, h;
GetClientSize(&w, &h);
if ( GetWindowStyleFlag() & wxSP_3D )
{
if ( m_splitMode == wxSPLIT_VERTICAL )
{
dc.SetPen(*m_facePen);
dc.SetBrush(*m_faceBrush);
dc.DrawRectangle(m_sashPosition + 2, 0 , m_sashSize - 4, h );
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.SetPen(*m_lightShadowPen);
int xShadow = m_borderSize ? m_borderSize - 1 : 0 ;
dc.DrawLine(m_sashPosition, xShadow , m_sashPosition, h-m_borderSize);
dc.SetPen(*m_hilightPen);
dc.DrawLine(m_sashPosition+1, m_borderSize - 2, m_sashPosition+1, h - m_borderSize+2);
dc.SetPen(*m_mediumShadowPen);
int yMedium = m_borderSize ? h-m_borderSize+1 : h ;
dc.DrawLine(m_sashPosition+m_sashSize-2, xShadow, m_sashPosition+m_sashSize-2, yMedium);
dc.SetPen(*m_darkShadowPen);
dc.DrawLine(m_sashPosition+m_sashSize-1, m_borderSize, m_sashPosition+m_sashSize-1, h-m_borderSize );
}
else
{
dc.SetPen(*m_facePen);
dc.SetBrush(*m_faceBrush);
dc.DrawRectangle( m_borderSize-2, m_sashPosition + 2, w-m_borderSize+2, m_sashSize - 4);
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.SetPen(*m_lightShadowPen);
dc.DrawLine(m_borderSize-1, m_sashPosition, w-m_borderSize, m_sashPosition);
dc.SetPen(*m_hilightPen);
dc.DrawLine(m_borderSize-2, m_sashPosition+1, w-m_borderSize+1, m_sashPosition+1);
dc.SetPen(*m_mediumShadowPen);
dc.DrawLine(m_borderSize-1, m_sashPosition+m_sashSize-2, w-m_borderSize+1, m_sashPosition+m_sashSize-2);
dc.SetPen(*m_darkShadowPen);
dc.DrawLine(m_borderSize, m_sashPosition+m_sashSize-1, w-m_borderSize, m_sashPosition+m_sashSize-1);
}
}
else
{
if ( m_splitMode == wxSPLIT_VERTICAL )
{
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*wxBLACK_BRUSH);
int h1 = h-1;
if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER )
h1 += 1; // Not sure why this is necessary...
dc.DrawRectangle(m_sashPosition, 0, m_sashSize, h1);
}
else
{
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*wxBLACK_BRUSH);
int w1 = w-1;
if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER )
w1 ++;
dc.DrawRectangle(0, m_sashPosition, w1, m_sashSize);
}
}
dc.SetPen(wxNullPen);
dc.SetBrush(wxNullBrush);
}
// Draw the sash tracker (for whilst moving the sash)
void wxSplitterWindow::DrawSashTracker(int x, int y)
{
int w, h;
GetClientSize(&w, &h);
wxScreenDC screenDC;
int x1, y1;
int x2, y2;
if ( m_splitMode == wxSPLIT_VERTICAL )
{
x1 = x; y1 = 2;
x2 = x; y2 = h-2;
if ( x1 > w )
{
x1 = w; x2 = w;
}
else if ( x1 < 0 )
{
x1 = 0; x2 = 0;
}
}
else
{
x1 = 2; y1 = y;
x2 = w-2; y2 = y;
if ( y1 > h )
{
y1 = h;
y2 = h;
}
else if ( y1 < 0 )
{
y1 = 0;
y2 = 0;
}
}
ClientToScreen(&x1, &y1);
ClientToScreen(&x2, &y2);
screenDC.SetLogicalFunction(wxINVERT);
screenDC.SetPen(*m_sashTrackerPen);
screenDC.SetBrush(*wxTRANSPARENT_BRUSH);
screenDC.DrawLine(x1, y1, x2, y2);
screenDC.SetLogicalFunction(wxCOPY);
screenDC.SetPen(wxNullPen);
screenDC.SetBrush(wxNullBrush);
}
// Position and size subwindows.
// Note that the border size applies to each subwindow, not
// including the edges next to the sash.
void wxSplitterWindow::SizeWindows()
{
int w, h;
GetClientSize(&w, &h);
if ( m_windowOne && !m_windowTwo )
{
m_windowOne->SetSize(m_borderSize, m_borderSize, w - 2*m_borderSize, h - 2*m_borderSize);
}
else if ( m_windowOne && m_windowTwo )
{
if (m_splitMode == wxSPLIT_VERTICAL)
{
int x1 = m_borderSize;
int y1 = m_borderSize;
int w1 = m_sashPosition - m_borderSize;
int h1 = h - 2*m_borderSize;
int x2 = m_sashPosition + m_sashSize;
int y2 = m_borderSize;
int w2 = w - 2*m_borderSize - m_sashSize - w1;
int h2 = h - 2*m_borderSize;
m_windowOne->SetSize(x1, y1, w1, h1);
m_windowTwo->SetSize(x2, y2, w2, h2);
}
else
{
m_windowOne->SetSize(m_borderSize, m_borderSize,
w - 2*m_borderSize, m_sashPosition - m_borderSize);
m_windowTwo->SetSize(m_borderSize, m_sashPosition + m_sashSize,
w - 2*m_borderSize, h - 2*m_borderSize - m_sashSize - (m_sashPosition - m_borderSize));
}
}
wxClientDC dc(this);
if ( m_borderSize > 0 )
DrawBorders(dc);
DrawSash(dc);
}
// Set pane for unsplit window
void wxSplitterWindow::Initialize(wxWindow *window)
{
m_windowOne = window;
m_windowTwo = (wxWindow *) NULL;
m_sashPosition = 0;
}
// Associates the given window with window 2, drawing the appropriate sash
// and changing the split mode.
// Does nothing and returns FALSE if the window is already split.
bool wxSplitterWindow::SplitVertically(wxWindow *window1, wxWindow *window2, int sashPosition)
{
if ( IsSplit() )
return FALSE;
int w, h;
GetClientSize(&w, &h);
m_splitMode = wxSPLIT_VERTICAL;
m_windowOne = window1;
m_windowTwo = window2;
if ( sashPosition > 0 )
m_sashPosition = sashPosition;
else if ( sashPosition < 0 )
m_sashPosition = w - sashPosition;
else // default
m_sashPosition = w/2;
SizeWindows();
return TRUE;
}
bool wxSplitterWindow::SplitHorizontally(wxWindow *window1, wxWindow *window2, int sashPosition)
{
if ( IsSplit() )
return FALSE;
int w, h;
GetClientSize(&w, &h);
m_splitMode = wxSPLIT_HORIZONTAL;
m_windowOne = window1;
m_windowTwo = window2;
if ( sashPosition > 0 )
m_sashPosition = sashPosition;
else if ( sashPosition < 0 )
m_sashPosition = h - sashPosition;
else // default
m_sashPosition = h/2;
SizeWindows();
return TRUE;
}
// Remove the specified (or second) window from the view
// Doesn't actually delete the window.
bool wxSplitterWindow::Unsplit(wxWindow *toRemove)
{
if ( ! IsSplit() )
return FALSE;
wxWindow *win = NULL;
if ( toRemove == NULL || toRemove == m_windowTwo)
{
win = m_windowTwo ;
m_windowTwo = (wxWindow *) NULL;
}
else if ( toRemove == m_windowOne )
{
win = m_windowOne ;
m_windowOne = m_windowTwo;
m_windowTwo = (wxWindow *) NULL;
}
else
{
wxFAIL_MSG(wxT("splitter: attempt to remove a non-existent window"));
return FALSE;
}
SendUnsplitEvent(win);
m_sashPosition = 0;
SizeWindows();
return TRUE;
}
// Replace a window with another one
bool wxSplitterWindow::ReplaceWindow(wxWindow *winOld, wxWindow *winNew)
{
wxCHECK_MSG( winOld, FALSE, wxT("use one of Split() functions instead") );
wxCHECK_MSG( winNew, FALSE, wxT("use Unsplit() functions instead") );
if ( winOld == m_windowTwo )
{
m_windowTwo = winNew;
}
else if ( winOld == m_windowOne )
{
m_windowOne = winNew;
}
else
{
wxFAIL_MSG(wxT("splitter: attempt to replace a non-existent window"));
return FALSE;
}
SizeWindows();
return TRUE;
}
void wxSplitterWindow::SetSashPosition(int position, bool redraw)
{
m_sashPosition = position;
if ( redraw )
{
SizeWindows();
}
}
// Initialize colours
void wxSplitterWindow::InitColours()
{
wxDELETE( m_facePen );
wxDELETE( m_faceBrush );
wxDELETE( m_mediumShadowPen );
wxDELETE( m_darkShadowPen );
wxDELETE( m_lightShadowPen );
wxDELETE( m_hilightPen );
// Shadow colours
#if defined(__WIN95__)
wxColour faceColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
m_facePen = new wxPen(faceColour, 1, wxSOLID);
m_faceBrush = new wxBrush(faceColour, wxSOLID);
wxColour mediumShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW));
m_mediumShadowPen = new wxPen(mediumShadowColour, 1, wxSOLID);
wxColour darkShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW));
m_darkShadowPen = new wxPen(darkShadowColour, 1, wxSOLID);
wxColour lightShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT));
m_lightShadowPen = new wxPen(lightShadowColour, 1, wxSOLID);
wxColour hilightColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT));
m_hilightPen = new wxPen(hilightColour, 1, wxSOLID);
#else // !Win32
m_facePen = new wxPen("LIGHT GREY", 1, wxSOLID);
m_faceBrush = new wxBrush("LIGHT GREY", wxSOLID);
m_mediumShadowPen = new wxPen("GREY", 1, wxSOLID);
m_darkShadowPen = new wxPen("BLACK", 1, wxSOLID);
m_lightShadowPen = new wxPen("LIGHT GREY", 1, wxSOLID);
m_hilightPen = new wxPen("WHITE", 1, wxSOLID);
#endif // Win32/!Win32
}
void wxSplitterWindow::SendUnsplitEvent(wxWindow *winRemoved)
{
wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
event.m_data.win = winRemoved;
(void)GetEventHandler()->ProcessEvent(event);
}
// ---------------------------------------------------------------------------
// splitter event handlers
// ---------------------------------------------------------------------------
void wxSplitterWindow::OnSashPosChanged(wxSplitterEvent& event)
{
// If within UNSPLIT_THRESHOLD from edge, set to edge to cause closure.
const int UNSPLIT_THRESHOLD = 4;
int newSashPosition = event.GetSashPosition();
// Obtain relevant window dimension for bottom / right threshold check
int w, h;
GetClientSize(&w, &h);
int window_size = (m_splitMode == wxSPLIT_VERTICAL) ? w : h ;
bool unsplit_scenario = FALSE;
if ( m_permitUnsplitAlways
|| m_minimumPaneSize == 0 )
{
// Do edge detection if unsplit premitted
if ( newSashPosition <= UNSPLIT_THRESHOLD )
{
// threshold top / left check
newSashPosition = 0;
unsplit_scenario = TRUE;
}
if ( newSashPosition >= window_size - UNSPLIT_THRESHOLD )
{
// threshold bottom/right check
newSashPosition = window_size;
unsplit_scenario = TRUE;
}
}
if ( !unsplit_scenario )
{
// If resultant pane would be too small, enlarge it
if ( newSashPosition < m_minimumPaneSize )
newSashPosition = m_minimumPaneSize;
if ( newSashPosition > window_size - m_minimumPaneSize )
newSashPosition = window_size - m_minimumPaneSize;
}
// If the result is out of bounds it means minimum size is too big,
// so split window in half as best compromise.
if ( newSashPosition < 0 || newSashPosition > window_size )
newSashPosition = window_size / 2;
// for compatibility, call the virtual function
if ( !OnSashPositionChange(newSashPosition) )
{
newSashPosition = -1;
}
event.SetSashPosition(newSashPosition);
}
// Called when the sash is double-clicked. The default behaviour is to remove
// the sash if the minimum pane size is zero.
void wxSplitterWindow::OnDoubleClick(wxSplitterEvent& event)
{
// for compatibility, call the virtual function
OnDoubleClickSash(event.GetX(), event.GetY());
if ( GetMinimumPaneSize() == 0 || m_permitUnsplitAlways )
{
Unsplit();
}
}
void wxSplitterWindow::OnUnsplitEvent(wxSplitterEvent& event)
{
wxWindow *win = event.GetWindowBeingRemoved();
// do it before calling OnUnsplit() which may delete the window
win->Show(FALSE);
// for compatibility, call the virtual function
OnUnsplit(win);
}
Reference in New Issue View Git Blame Copy Permalink