/** * btn.cpp - * * Copyright (c) 1999 * Transvirtual Technologies, Inc. All rights reserved. * * See the file "license.terms" for information on usage and redistribution * of this file. */ #include "toolkit.hpp" class KButton:public KWnd { public: bool blockCmd; KButton( HWND parent, TCHAR* lbl, int style) { style |= DEF_WND_STYLE; hwnd = CreateWindow( TEXT("BUTTON"), lbl, style, 0, 0, 0, 0, parent, (HMENU)0, NULL, NULL); defWndProc = (WNDPROC)SetWindowLong( hwnd, GWL_WNDPROC, (LONG)WndProc); blockCmd = false; } bool KButton::OnCommand( int cmd) { jstring aCmd; int style; switch ( cmd) { case BN_CLICKED: style = GetWindowLong( hwnd, GWL_STYLE); //Checkboxes have no AUTO style, leave state model and checking //to java //Grouped CheckBox if ( style & BS_RADIOBUTTON ) { // workaround for notifications caused by WM_SETFOCUS // ( tab stepping ) if ( blockCmd ) { blockCmd = false; return false; } X->jEvt = JniEnv->CallStaticObjectMethod( ItemEvent, getItemEvent, srcIdx, getCheck() ? DESELECTED : SELECTED, 0 ); } //Simple CheckBox else if ( style & BS_CHECKBOX ) { X->jEvt = JniEnv->CallStaticObjectMethod( ItemEvent, getItemEvent, srcIdx, getCheck() ? DESELECTED : SELECTED, 0 ); } //PushButton else { GetWindowText( hwnd, X->buf, X->nBuf); aCmd = JniEnv->NewStringUTF( winString2UTF(X, X->buf, _tcslen(X->buf)) ); X->jEvt = JniEnv->CallStaticObjectMethod( ActionEvent, getActionEvent, srcIdx, aCmd, 0 ); } break; case BN_PUSHED: break; case BN_UNPUSHED: break; } return true; } bool KButton::OnFocusChange ( bool gain) { X->jEvt = JniEnv->CallStaticObjectMethod( FocusEvent, getFocusEvent, srcIdx, gain ? FOCUS_GAINED : FOCUS_LOST, false); // workaround for notifications caused by WM_SETFOCUS ( tab stepping ) blockCmd = true; return false; } bool KButton::OnMouseUp( int btn, int x, int y) { KWnd::OnMouseUp( btn, x, y); // workaround for notifications caused by WM_SETFOCUS ( tab stepping ) blockCmd = false; return false; } void KButton::setCheck( jboolean check) { int cs = check ? BST_CHECKED : BST_UNCHECKED; SendMessage( hwnd, BM_SETCHECK, (WPARAM)cs, 0); } bool KButton::getCheck() { int s = SendMessage( hwnd, BM_GETCHECK, 0, 0); return ( s == BST_CHECKED); } void KButton::setGrouped( jboolean grouped) { int style = GetWindowLong( hwnd, GWL_STYLE); if ( grouped) { style |= BS_RADIOBUTTON; style &= ~BS_CHECKBOX; } else { style |= BS_CHECKBOX; style &= ~BS_RADIOBUTTON; } SetWindowLong( hwnd, GWL_STYLE, style); } }; /************************* * exported functions **************************/ extern "C" { void* __cdecl Java_java_awt_Toolkit_btnCreatePushbutton ( JNIEnv* env, jclass clazz, KWnd* parent, jstring label ) { return ( new KButton( parent->hwnd, java2WinString( env, X, label), BS_PUSHBUTTON) ); } void* __cdecl Java_java_awt_Toolkit_btnCreateCheckbox ( JNIEnv* env, jclass clazz, KWnd* parent, jstring label ) { return ( new KButton( parent->hwnd, java2WinString( env, X, label), BS_CHECKBOX) ); } void* __cdecl Java_java_awt_Toolkit_btnCreateRadiobutton ( JNIEnv* env, jclass clazz, KWnd* parent, jstring label ) { return ( new KButton( parent->hwnd, java2WinString( env, X, label), BS_RADIOBUTTON) ); } void __cdecl Java_java_awt_Toolkit_btnSetLabel ( JNIEnv* env, jclass clazz, KButton* wnd, jstring label) { wnd->setText( label); } void __cdecl Java_java_awt_Toolkit_btnSetCheck ( JNIEnv* env, jclass clazz, KButton* wnd, jboolean check ) { wnd->setCheck( check); } jboolean __cdecl Java_java_awt_Toolkit_btnGetCheck ( JNIEnv* env, jclass clazz, KButton* wnd ) { return wnd->getCheck(); } void __cdecl Java_java_awt_Toolkit_btnSetGrouped ( JNIEnv* env, jclass clazz, KButton* wnd, jboolean grouped ) { wnd->setGrouped( grouped); } }
