Initial revision
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
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src/generic/statusbr.cpp
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332
src/generic/statusbr.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: statusbr.cpp
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// Purpose: wxStatusBar class implementation
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "statusbr.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/setup.h"
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#include "wx/frame.h"
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#include "wx/settings.h"
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#include "wx/dcclient.h"
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#endif
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#include "wx/generic/statusbr.h"
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#ifdef __WINDOWS__
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#include <windows.h>
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#ifdef DrawText
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#undef DrawText
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#endif
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#endif
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_DYNAMIC_CLASS(wxStatusBar, wxWindow)
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BEGIN_EVENT_TABLE(wxStatusBar, wxWindow)
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EVT_PAINT(wxStatusBar::OnPaint)
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EVT_SYS_COLOUR_CHANGED(wxStatusBar::OnSysColourChanged)
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END_EVENT_TABLE()
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#endif
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// Default status border dimensions
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#define wxTHICK_LINE_BORDER 2
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#define wxTHICK_LINE_WIDTH 1
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wxStatusBar::wxStatusBar(void)
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{
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m_statusWidths = NULL;
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m_statusStrings = NULL;
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m_nFields = 0;
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m_borderX = wxTHICK_LINE_BORDER;
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m_borderY = wxTHICK_LINE_BORDER;
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}
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wxStatusBar::~wxStatusBar(void)
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{
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SetFont(wxNullFont);
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if ( m_statusWidths )
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delete[] m_statusWidths;
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if ( m_statusStrings )
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delete[] m_statusStrings;
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}
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bool wxStatusBar::Create(wxWindow *parent, const wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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const long style,
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const wxString& name)
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{
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m_statusWidths = NULL;
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m_statusStrings = NULL;
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m_nFields = 0;
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m_borderX = wxTHICK_LINE_BORDER;
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m_borderY = wxTHICK_LINE_BORDER;
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bool success = wxWindow::Create(parent, id, pos, size, style, name);
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// Don't wish this to be found as a child
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parent->GetChildren()->DeleteObject(this);
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InitColours();
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SetFont(m_defaultStatusBarFont);
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return success;
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}
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void wxStatusBar::SetFieldsCount(const int number, const int *widths)
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{
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m_nFields = number;
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if ( m_statusWidths )
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delete[] m_statusWidths;
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if ( m_statusStrings )
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delete[] m_statusStrings;
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m_statusStrings = new wxString[number];
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int i;
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for (i = 0; i < number; i++)
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m_statusStrings[i] = "";
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if ( widths )
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SetStatusWidths(number, widths);
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}
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void wxStatusBar::SetStatusText(const wxString& text, const int number)
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{
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if ((number < 0) || (number >= m_nFields))
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return;
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m_statusStrings[number] = text;
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Refresh();
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#ifdef __WINDOWS__
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// For some reason, this can cause major GDI problems - graphics
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// all over the place. E.g. in print previewing.
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// ::UpdateWindow((HWND) GetHWND());
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#endif
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}
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wxString wxStatusBar::GetStatusText(const int n) const
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{
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if ((n < 0) || (n >= m_nFields))
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return wxString("");
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else
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return m_statusStrings[n];
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}
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void wxStatusBar::SetStatusWidths(const int n, const int *widths_field)
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{
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// only set status widths, when n == number of statuswindows
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if (n == m_nFields)
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{
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// only set status widths,
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// when one window (minimum) is variable (width <= 0)
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bool is_variable = FALSE;
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int i;
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for (i = 0; i < m_nFields; i++)
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{
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if (widths_field[i] <= 0) is_variable = TRUE;
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}
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// if there are old widths, delete them
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if (m_statusWidths)
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delete [] m_statusWidths;
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// set widths
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m_statusWidths = new int[n];
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for (i = 0; i < m_nFields; i++)
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{
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m_statusWidths[i] = widths_field[i];
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}
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}
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}
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void wxStatusBar::OnPaint(wxPaintEvent& WXUNUSED(event) )
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{
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wxPaintDC dc(this);
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int i;
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if ( GetFont() )
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dc.SetFont(*GetFont());
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dc.SetBackgroundMode(wxTRANSPARENT);
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for ( i = 0; i < m_nFields; i ++ )
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DrawField(dc, i);
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}
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void wxStatusBar::DrawFieldText(wxDC& dc, const int i)
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{
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int leftMargin = 2;
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wxRectangle rect;
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GetFieldRect(i, rect);
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wxString text(GetStatusText(i));
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long x, y;
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dc.GetTextExtent(text, &x, &y);
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int xpos = rect.x + leftMargin;
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int ypos = (int) (((rect.height - y) / 2 ) + rect.y + 0.5) ;
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dc.SetClippingRegion(rect.x, rect.y, rect.width, rect.height);
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dc.DrawText(text, xpos, ypos);
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dc.DestroyClippingRegion();
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}
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void wxStatusBar::DrawField(wxDC& dc, const int i)
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{
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wxRectangle rect;
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GetFieldRect(i, rect);
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// Draw border
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// Have grey background, plus 3-d border -
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// One black rectangle.
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// Inside this, left and top sides - dark grey. Bottom and right -
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// white.
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dc.SetPen(m_hilightPen);
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// Right and bottom white lines
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dc.DrawLine(rect.x + rect.width, rect.y,
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rect.x + rect.width, rect.y + rect.height);
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dc.DrawLine(rect.x + rect.width, rect.y + rect.height,
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rect.x, rect.y + rect.height);
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dc.SetPen(m_mediumShadowPen);
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// Left and top grey lines
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dc.DrawLine(rect.x, rect.y + rect.height,
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rect.x, rect.y);
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dc.DrawLine(rect.x, rect.y,
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rect.x + rect.width, rect.y);
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DrawFieldText(dc, i);
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}
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// Get the position and size of the field's internal bounding rectangle
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bool wxStatusBar::GetFieldRect(const int n, wxRectangle& rect) const
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{
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if ((n < 0) || (n >= m_nFields))
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return FALSE;
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int width, height;
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GetClientSize(&width, &height);
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int i;
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int sum_of_nonvar = 0;
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int num_of_var = 0;
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bool do_same_width = FALSE;
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int fieldWidth = 0;
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int fieldPosition = 0;
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if (m_statusWidths)
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{
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// if sum(not variable Windows) > c_width - (20 points per variable_window)
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// then do_same_width = TRUE;
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for (i = 0; i < m_nFields; i++)
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{
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if (m_statusWidths[i] > 0) sum_of_nonvar += m_statusWidths[i];
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else num_of_var++;
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}
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if (sum_of_nonvar > (width - 20*num_of_var)) do_same_width = TRUE;
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}
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else do_same_width = TRUE;
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if (do_same_width)
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{
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for (i = 0; i < m_nFields; i++)
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{
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fieldWidth = (int)(width/m_nFields);
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fieldPosition = i*fieldWidth;
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if ( i == n )
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break;
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}
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}
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else // no_same_width
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{
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int *tempwidth = new int[m_nFields];
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int temppos = 0;
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for (i = 0; i < m_nFields; i++)
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{
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if (m_statusWidths[i] > 0) tempwidth[i] = m_statusWidths[i];
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else tempwidth[i] = (width - sum_of_nonvar) / num_of_var;
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}
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for (i = 0; i < m_nFields; i++)
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{
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fieldWidth = tempwidth[i];
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fieldPosition = temppos;
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temppos += tempwidth[i];
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if ( i == n )
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break;
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}
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delete [] tempwidth;
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}
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rect.x = fieldPosition + wxTHICK_LINE_BORDER;
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rect.y = wxTHICK_LINE_BORDER;
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rect.width = fieldWidth - 2 * wxTHICK_LINE_BORDER ;
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rect.height = height - 2 * wxTHICK_LINE_BORDER ;
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return TRUE;
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}
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// Initialize colours
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void wxStatusBar::InitColours(void)
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{
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// Shadow colours
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#if defined(__WIN95__)
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wxColour mediumShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW));
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m_mediumShadowPen = wxPen(mediumShadowColour, 1, wxSOLID);
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wxColour hilightColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT));
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m_hilightPen = wxPen(hilightColour, 1, wxSOLID);
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#else
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m_mediumShadowPen = wxPen("GREY", 1, wxSOLID);
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m_hilightPen = wxPen("WHITE", 1, wxSOLID);
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#endif
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m_defaultStatusBarFont = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT);
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SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE));
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}
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// Responds to colour changes, and passes event on to children.
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void wxStatusBar::OnSysColourChanged(wxSysColourChangedEvent& event)
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{
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InitColours();
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Refresh();
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// Propagate the event to the non-top-level children
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wxWindow::OnSysColourChanged(event);
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}
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