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140 lines
3.5 KiB
140 lines
3.5 KiB
//
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// mxToolKit (c) 1999 by Mete Ciragan
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//
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// file: mxLineEdit.cpp
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// implementation: Win32 API
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// last modified: Mar 18 1999, Mete Ciragan
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// copyright: The programs and associated files contained in this
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// distribution were developed by Mete Ciragan. The programs
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// are not in the public domain, but they are freely
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// distributable without licensing fees. These programs are
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// provided without guarantee or warrantee expressed or
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// implied.
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//
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#include "mxtk/mxLineEdit.h"
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#include <windows.h>
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#include "mxtk/mxEvent.h"
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#include "mxtk/mxWindow.h"
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class mxLineEdit_i
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{
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public:
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int dummy;
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};
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#include "tier0/dbg.h"
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typedef LRESULT (CALLBACK * WndProc_t)(HWND hwnd, UINT uMessage, WPARAM wParam, LPARAM lParam);
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static WndProc_t s_OldWndProc = 0;
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static LRESULT CALLBACK EditWndProc (HWND hwnd, UINT uMessage, WPARAM wParam, LPARAM lParam)
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{
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int iret = 0;
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// This lovely bit of hackery ensures we get return key events
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if ( uMessage == WM_CHAR)
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{
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iret = s_OldWndProc( hwnd, uMessage, wParam, lParam );
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// Post the message directly to all windows in the hierarchy until
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// someone responds
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mxLineEdit *lineEdit = (mxLineEdit *) GetWindowLong (hwnd, GWL_USERDATA);
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mxEvent event;
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event.event = mxEvent::KeyDown;
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event.action = lineEdit->getId();
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event.key = (int) wParam;
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mxWindow* window = lineEdit->getParent();
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while (window)
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{
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if (window->handleEvent (&event))
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break;
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window = window->getParent ();
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}
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}
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else
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{
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if ( uMessage == WM_LBUTTONDOWN )
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{
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SetFocus( hwnd );
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}
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iret = s_OldWndProc( hwnd, uMessage, wParam, lParam );
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}
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return iret;
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}
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mxLineEdit::mxLineEdit (mxWindow *parent, int x, int y, int w, int h, const char *label, int id, int style)
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: mxWidget (parent, x, y, w, h, label)
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{
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if (!parent)
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return;
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DWORD dwStyle = WS_VISIBLE | WS_CHILD | ES_AUTOHSCROLL | WS_TABSTOP; // | ES_WANTRETURN | ES_MULTILINE;
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HWND hwndParent = (HWND) ((mxWidget *) parent)->getHandle ();
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if (style == ReadOnly)
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dwStyle |= ES_READONLY;
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else if (style == Password)
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dwStyle |= ES_PASSWORD;
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if (!s_OldWndProc)
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{
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WNDCLASSEX editClass;
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GetClassInfoEx( (HINSTANCE) GetModuleHandle (NULL), "EDIT", &editClass );
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s_OldWndProc = editClass.lpfnWndProc;
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editClass.cbSize = sizeof(WNDCLASSEX);
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editClass.cbClsExtra = 0;
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editClass.lpfnWndProc = EditWndProc;
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editClass.lpszClassName = "mx_edit";
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RegisterClassEx( &editClass );
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}
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void *handle = (void *) CreateWindowEx (WS_EX_CLIENTEDGE, "mx_edit", label, dwStyle, //WS_VISIBLE | WS_CHILD | ES_AUTOHSCROLL,
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x, y, w, h, hwndParent,
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(HMENU) id, (HINSTANCE) GetModuleHandle (NULL), NULL);
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SendMessage ((HWND) handle, WM_SETFONT, (WPARAM) (HFONT) GetStockObject (ANSI_VAR_FONT), MAKELPARAM (TRUE, 0));
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SendMessage ((HWND) getHandle (), EM_LIMITTEXT, (WPARAM) 256, 0L);
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SetWindowLong ((HWND) handle, GWL_USERDATA, (LONG) this);
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setHandle (handle);
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setType (MX_LINEEDIT);
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setParent (parent);
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setId (id);
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}
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mxLineEdit::~mxLineEdit ()
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{
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}
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void mxLineEdit::clear()
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{
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SendMessage( (HWND)getHandle(), WM_SETTEXT, (WPARAM)0, (LPARAM)"" );
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}
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void mxLineEdit::getText( char *buf, size_t bufsize )
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{
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buf[ 0 ] = 0;
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SendMessage( (HWND) getHandle (), WM_GETTEXT, (WPARAM)bufsize, (LPARAM)buf );
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}
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void
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mxLineEdit::setMaxLength (int max)
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{
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SendMessage ((HWND) getHandle (), EM_LIMITTEXT, (WPARAM) max, 0L);
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}
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int
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mxLineEdit::getMaxLength () const
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{
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return (int) SendMessage ((HWND) getHandle (), EM_GETLIMITTEXT, 0, 0L);
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}
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