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
350
src/msw/choice.cpp
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350
src/msw/choice.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: choice.cpp
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// Purpose: wxChoice
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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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 "choice.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/choice.h"
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#endif
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#include "wx/msw/private.h"
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
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#endif
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bool wxChoice::MSWCommand(const WXUINT param, const WXWORD WXUNUSED(id))
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{
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if (param == CBN_SELCHANGE)
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{
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wxCommandEvent event(wxEVENT_TYPE_CHOICE_COMMAND, m_windowId);
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event.SetInt(GetSelection());
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event.SetEventObject(this);
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event.SetString(copystring(GetStringSelection()));
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ProcessCommand(event);
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delete[] event.GetString();
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return TRUE;
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}
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else return FALSE;
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}
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bool wxChoice::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 int n, const wxString choices[],
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const long style,
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const wxValidator& validator,
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const wxString& name)
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{
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SetName(name);
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SetValidator(validator);
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if (parent) parent->AddChild(this);
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SetBackgroundColour(parent->GetDefaultBackgroundColour()) ;
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SetForegroundColour(parent->GetDefaultForegroundColour()) ;
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no_strings = n;
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m_windowStyle = style;
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if ( id == -1 )
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m_windowId = (int)NewControlId();
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else
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m_windowId = id;
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int x = pos.x;
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int y = pos.y;
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int width = size.x;
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int height = size.y;
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long msStyle = WS_CHILD | CBS_DROPDOWNLIST | WS_HSCROLL | WS_VSCROLL
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| WS_TABSTOP | WS_VISIBLE;
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if (m_windowStyle & wxCB_SORT)
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msStyle |= CBS_SORT;
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bool want3D;
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WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
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// Even with extended styles, need to combine with WS_BORDER
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// for them to look right.
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if (want3D || (m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
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(m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER))
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msStyle |= WS_BORDER;
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HWND wx_combo = CreateWindowEx(exStyle, "COMBOBOX", NULL,
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msStyle,
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0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
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wxGetInstance(), NULL);
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/*
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#if CTL3D
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if (want3D)
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{
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m_useCtl3D = TRUE;
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Ctl3dSubclassCtl(wx_combo); // Does CTL3D affect the combobox? I think not.
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}
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#endif
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*/
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m_hWnd = (WXHWND) wx_combo;
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// Subclass again for purposes of dialog editing mode
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SubclassWin((WXHWND) wx_combo);
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SetFont(* parent->GetFont());
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int i;
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for (i = 0; i < n; i++)
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SendMessage(wx_combo, CB_INSERTSTRING, i, (LONG)(const char *)choices[i]);
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SendMessage(wx_combo, CB_SETCURSEL, i, 0);
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SetSize(x, y, width, height);
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return TRUE;
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}
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void wxChoice::Append(const wxString& item)
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{
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SendMessage((HWND) GetHWND(), CB_ADDSTRING, 0, (LONG)(const char *)item);
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no_strings ++;
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}
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void wxChoice::Delete(const int n)
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{
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no_strings = (int)SendMessage((HWND) GetHWND(), CB_DELETESTRING, n, 0);
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}
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void wxChoice::Clear(void)
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{
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SendMessage((HWND) GetHWND(), CB_RESETCONTENT, 0, 0);
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no_strings = 0;
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}
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int wxChoice::GetSelection(void) const
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{
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return (int)SendMessage((HWND) GetHWND(), CB_GETCURSEL, 0, 0);
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}
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void wxChoice::SetSelection(const int n)
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{
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SendMessage((HWND) GetHWND(), CB_SETCURSEL, n, 0);
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}
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int wxChoice::FindString(const wxString& s) const
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{
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#if defined(__WATCOMC__) && defined(__WIN386__)
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// For some reason, Watcom in WIN386 mode crashes in the CB_FINDSTRINGEXACT message.
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// Do it the long way instead.
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char buf[512];
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for (int i = 0; i < Number(); i++)
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{
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int len = (int)SendMessage((HWND) GetHWND(), CB_GETLBTEXT, i, (LPARAM)(LPSTR)buf);
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buf[len] = 0;
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if (strcmp(buf, (const char *)s) == 0)
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return i;
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}
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return -1;
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#else
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int pos = (int)SendMessage((HWND) GetHWND(), CB_FINDSTRINGEXACT, (WPARAM)-1, (LPARAM)(LPSTR)(const char *)s);
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if (pos == LB_ERR)
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return -1;
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else
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return pos;
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#endif
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}
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wxString wxChoice::GetString(const int n) const
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{
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int len = (int)SendMessage((HWND) GetHWND(), CB_GETLBTEXT, n, (long)wxBuffer);
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wxBuffer[len] = 0;
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return wxString(wxBuffer);
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}
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void wxChoice::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags)
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{
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int currentX, currentY;
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GetPosition(¤tX, ¤tY);
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int x1 = x;
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int y1 = y;
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int w1 = width;
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int h1 = height;
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if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
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x1 = currentX;
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if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
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y1 = currentY;
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// If we're prepared to use the existing size, then...
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if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
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{
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GetSize(&w1, &h1);
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}
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int cx; // button font dimensions
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int cy;
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wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
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float control_width, control_height;
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// Ignore height parameter because height doesn't
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// mean 'initially displayed' height, it refers to the
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// drop-down menu as well. The wxWindows interpretation
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// is different; also, getting the size returns the
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// _displayed_ size (NOT the drop down menu size)
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// so setting-getting-setting size would not work.
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h1 = -1;
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// Deal with default size (using -1 values)
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if (width <= 0)
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{
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// Find the longest string
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if (no_strings == 0)
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control_width = (float)100.0;
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else
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{
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float len, ht;
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float longest = (float)0.0;
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int i;
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for (i = 0; i < no_strings; i++)
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{
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wxString str(GetString(i));
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GetTextExtent(str, &len, &ht, NULL, NULL,GetFont());
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if ( len > longest) longest = len;
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}
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control_width = (float)(int)(longest + cx*5);
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}
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}
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// Choice drop-down list depends on number of items (limited to 10)
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if (h1 <= 0)
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{
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if (no_strings == 0)
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h1 = (int)(EDIT_CONTROL_FACTOR*cy*10.0);
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else h1 = (int)(EDIT_CONTROL_FACTOR*cy*(wxMin(10, no_strings) + 1));
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}
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// If non-default width...
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if (width >= 0)
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control_width = (float)width;
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control_height = (float)h1;
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// Calculations may have made text size too small
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if (control_height <= 0)
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control_height = (float)(int)(cy*EDIT_CONTROL_FACTOR) ;
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if (control_width <= 0)
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control_width = (float)100.0;
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MoveWindow((HWND) GetHWND(), x1, y1,
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(int)control_width, (int)control_height, TRUE);
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/*
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#if WXWIN_COMPATIBILITY
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GetEventHandler()->OldOnSize(width, height);
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#else
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wxSizeEvent event(wxSize(width, height), m_windowId);
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event.eventObject = this;
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GetEventHandler()->ProcessEvent(event);
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#endif
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*/
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}
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WXHBRUSH wxChoice::OnCtlColor(const WXHDC pDC, const WXHWND pWnd, const WXUINT nCtlColor,
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WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
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{
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return 0;
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}
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long wxChoice::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
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{
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switch (nMsg)
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{
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/*
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case WM_GETDLGCODE:
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{
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if (GetWindowStyleFlag() & wxPROCESS_ENTER)
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return DLGC_WANTALLKEYS;
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break;
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}
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*/
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/*
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case WM_CHAR: // Always an ASCII character
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{
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if (wParam == VK_RETURN)
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{
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wxCommandEvent event(wxEVENT_TYPE_TEXT_ENTER_COMMAND);
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event.commandString = ((wxTextCtrl *)item)->GetValue();
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event.eventObject = item;
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item->ProcessCommand(event);
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return FALSE;
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}
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break;
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}
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*/
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case WM_LBUTTONUP:
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{
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int x = (int)LOWORD(lParam);
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int y = (int)HIWORD(lParam);
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// Ok, this is truly weird, but if a panel with a wxChoice loses the
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// focus, then you get a *fake* WM_LBUTTONUP message
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// with x = 65535 and y = 65535.
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// Filter out this nonsense.
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if (x == 65535 && y == 65535)
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return Default();
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break;
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}
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}
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return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
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}
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wxString wxChoice::GetStringSelection (void) const
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{
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int sel = GetSelection ();
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if (sel > -1)
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return wxString(this->GetString (sel));
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else
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return wxString("");
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}
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bool wxChoice::SetStringSelection (const wxString& s)
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{
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int sel = FindString (s);
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if (sel > -1)
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{
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SetSelection (sel);
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return TRUE;
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}
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else
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return FALSE;
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}
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void wxChoice::Command(wxCommandEvent & event)
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{
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SetSelection (event.GetInt());
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ProcessCommand (event);
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}
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