added some wxMSW stuff
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
372
src/msw/control.cpp
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372
src/msw/control.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: control.cpp
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// Purpose: wxControl class
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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 licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "control.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/app.h"
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#include "wx/dcclient.h"
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#endif
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#include "wx/msw/private.h"
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#if defined(__WIN95__) && !defined(__GNUWIN32__)
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#include <commctrl.h>
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#endif
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#ifdef GetCharWidth
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#undef GetCharWidth
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#undef GetWindowProc
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#endif
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
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BEGIN_EVENT_TABLE(wxControl, wxWindow)
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EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground)
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END_EVENT_TABLE()
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#endif
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// Item members
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wxControl::wxControl(void)
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{
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m_backgroundColour = *wxWHITE;
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m_foregroundColour = *wxBLACK;
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m_callback = 0;
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}
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wxControl::~wxControl(void)
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{
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m_isBeingDeleted = TRUE;
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// If we delete an item, we should initialize the parent panel,
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// because it could now be invalid.
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wxWindow *parent = (wxWindow *)GetParent();
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if (parent)
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{
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if (parent->GetDefaultItem() == this)
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parent->SetDefaultItem(NULL);
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}
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}
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void wxControl::SetLabel(const wxString& label)
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{
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if (GetHWND())
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SetWindowText((HWND) GetHWND(), (const char *)label);
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}
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wxString wxControl::GetLabel(void) const
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{
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wxBuffer[0] = 0;
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if (GetHWND())
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GetWindowText((HWND)GetHWND(), wxBuffer, 1000);
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return wxString(wxBuffer);
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}
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// Call this repeatedly for several wnds to find the overall size
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// of the widget.
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// Call it initially with -1 for all values in rect.
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// Keep calling for other widgets, and rect will be modified
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// to calculate largest bounding rectangle.
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void wxFindMaxSize(WXHWND wnd, RECT *rect)
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{
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int left = rect->left;
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int right = rect->right;
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int top = rect->top;
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int bottom = rect->bottom;
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GetWindowRect((HWND) wnd, rect);
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if (left < 0)
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return;
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if (left < rect->left)
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rect->left = left;
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if (right > rect->right)
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rect->right = right;
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if (top < rect->top)
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rect->top = top;
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if (bottom > rect->bottom)
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rect->bottom = bottom;
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}
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/*
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// Not currently used
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void wxConvertDialogToPixels(wxWindow *control, int *x, int *y)
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{
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if (control->m_windowParent && control->m_windowParent->is_dialog)
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{
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DWORD word = GetDialogBaseUnits();
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int xs = LOWORD(word);
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int ys = HIWORD(word);
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*x = (int)(*x * xs/4);
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*y = (int)(*y * ys/8);
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}
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else
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{
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*x = *x;
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*y = *y;
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}
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}
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*/
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#if 0
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// We can't rely on Windows giving us events corresponding to the wxWindows Z-ordering.
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// E.g. we can't push a wxGroupBox to the back for editing purposes.
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// Convert the item event to parent coordinates, then search for
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// an item that could receive this event.
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wxControl *wxFakeItemEvent(wxWindow *parent, wxControl *item, wxMouseEvent& event)
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{
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int x, y;
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item->GetPosition(&x, &y);
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event.m_x += x;
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event.m_y += y;
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wxNode *node = parent->GetChildren()->Last();
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while (node)
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{
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wxControl *newItem = (wxControl *)node->Data();
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if (newItem->IsSelected() && newItem->SelectionHandleHitTest(event.x, event.GetY()))
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{
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// This event belongs to the panel.
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parent->GetEventHandler()->OldOnMouseEvent(event);
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return NULL;
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}
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else if (newItem->HitTest(event.x, event.GetY()))
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{
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int x1, y1;
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newItem->GetPosition(&x1, &y1);
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event.x -= x1;
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event.GetY() -= y1;
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newItem->OldOnMouseEvent(event);
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return newItem;
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}
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node = node->Previous();
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}
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// No takers, so do what we would have done anyway.
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event.x -= x;
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event.y -= y;
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item->OldOnMouseEvent(event);
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return item;
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}
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#endif
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void wxControl::MSWOnMouseMove(const int x, const int y, const WXUINT flags)
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{
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// 'normal' move event...
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// Set cursor, but only if we're not in 'busy' mode
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/*
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// Trouble with this is that it sets the cursor for controls too :-(
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if (m_windowCursor.Ok() && !wxIsBusy())
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::SetCursor(m_windowCursor.GetHCURSOR());
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*/
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wxMouseEvent event(wxEVENT_TYPE_MOTION);
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/*
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float px = (float)x;
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float py = (float)y;
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MSWDeviceToLogical(&px, &py);
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CalcUnscrolledPosition((int)px, (int)py, &event.m_x, &event.m_y);
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*/
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event.m_x = x; event.m_y = y;
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event.m_shiftDown = ((flags & MK_SHIFT) != 0);
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event.m_controlDown = ((flags & MK_CONTROL) != 0);
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event.m_leftDown = ((flags & MK_LBUTTON) != 0);
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event.m_middleDown = ((flags & MK_MBUTTON) != 0);
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event.m_rightDown = ((flags & MK_RBUTTON) != 0);
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event.SetTimestamp(wxApp::sm_lastMessageTime);
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event.SetEventObject( this );
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// Window gets a click down message followed by a mouse move
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// message even if position isn't changed! We want to discard
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// the trailing move event if x and y are the same.
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if ((m_lastEvent == wxEVENT_TYPE_RIGHT_DOWN || m_lastEvent == wxEVENT_TYPE_LEFT_DOWN ||
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m_lastEvent == wxEVENT_TYPE_MIDDLE_DOWN) &&
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(m_lastXPos == event.GetX() && m_lastYPos == event.GetY()))
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{
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m_lastXPos = event.GetX(); m_lastYPos = event.GetY();
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m_lastEvent = wxEVENT_TYPE_MOTION;
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return;
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}
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m_lastEvent = wxEVENT_TYPE_MOTION;
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m_lastXPos = event.GetX(); m_lastYPos = event.GetY();
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GetEventHandler()->OldOnMouseEvent(event);
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}
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long wxControl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
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{
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return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
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}
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bool wxControl::MSWNotify(const WXWPARAM wParam, const WXLPARAM lParam)
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{
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#if defined(__WIN95__)
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wxCommandEvent event(0, m_windowId);
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int eventType = 0;
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NMHDR *hdr1 = (NMHDR*) lParam;
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switch ( hdr1->code )
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{
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case NM_CLICK:
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{
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eventType = wxEVT_COMMAND_LEFT_CLICK;
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break;
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}
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case NM_DBLCLK:
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{
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eventType = wxEVT_COMMAND_LEFT_DCLICK;
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break;
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}
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case NM_RCLICK:
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{
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eventType = wxEVT_COMMAND_RIGHT_CLICK;
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break;
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}
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case NM_RDBLCLK:
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{
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eventType = wxEVT_COMMAND_RIGHT_DCLICK;
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break;
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}
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case NM_SETFOCUS:
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{
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eventType = wxEVT_COMMAND_SET_FOCUS;
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break;
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}
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case NM_KILLFOCUS:
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{
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eventType = wxEVT_COMMAND_KILL_FOCUS;
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break;
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}
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case NM_RETURN:
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{
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eventType = wxEVT_COMMAND_ENTER;
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break;
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}
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/* Not implemented
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case NM_OUTOFMEMORY:
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{
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eventType = wxEVT_COMMAND_OUT_OF_MEMORY;
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break;
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}
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*/
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default :
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return FALSE;
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break;
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}
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event.SetEventType(eventType);
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event.SetEventObject(this);
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if ( !ProcessEvent(event) )
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return FALSE;
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return TRUE;
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#else
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return FALSE;
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#endif
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}
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/*
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* Allocates control IDs within the appropriate range
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*/
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int NewControlId(void)
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{
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static int controlId = 0;
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controlId ++;
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return controlId;
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}
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void wxControl::ProcessCommand (wxCommandEvent & event)
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{
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// Tries:
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// 1) A callback function (to become obsolete)
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// 2) OnCommand, starting at this window and working up parent hierarchy
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// 3) OnCommand then calls ProcessEvent to search the event tables.
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if (m_callback)
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{
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(void) (*(m_callback)) (*this, event);
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}
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else
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{
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GetEventHandler()->OnCommand(*this, event);
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}
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}
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void wxControl::OnEraseBackground(wxEraseEvent& event)
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{
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// In general, you don't want to erase the background of a control,
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// or you'll get a flicker.
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// TODO: move this 'null' function into each control that
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// might flicker.
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RECT rect;
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::GetClientRect((HWND) GetHWND(), &rect);
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HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
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int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT);
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::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush);
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::DeleteObject(hBrush);
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::SetMapMode((HDC) event.GetDC()->GetHDC(), mode);
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}
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void wxControl::SetClientSize (const int width, const int height)
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{
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SetSize (-1, -1, width, height);
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}
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void wxControl::Centre (const int direction)
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{
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int x, y, width, height, panel_width, panel_height, new_x, new_y;
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wxWindow *parent = (wxWindow *) GetParent ();
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if (!parent)
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return;
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parent->GetClientSize (&panel_width, &panel_height);
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GetSize (&width, &height);
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GetPosition (&x, &y);
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new_x = x;
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new_y = y;
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if (direction & wxHORIZONTAL)
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new_x = (int) ((panel_width - width) / 2);
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if (direction & wxVERTICAL)
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new_y = (int) ((panel_height - height) / 2);
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SetSize (new_x, new_y, width, height);
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int temp_x, temp_y;
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GetPosition (&temp_x, &temp_y);
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GetPosition (&temp_x, &temp_y);
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}
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