Handle
Widget_popup( Handle self, Bool set, Handle popup)
{
enter_method;
if ( var-> stage > csFrozen) return nilHandle;
if ( !set)
return var-> popupMenu;
if ( popup && !kind_of( popup, CPopup)) return nilHandle;
if ( popup && PAbstractMenu( popup)-> owner != self)
my-> set_popupItems( self, CAbstractMenu( popup)-> get_items( popup, ""));
else
var-> popupMenu = popup;
return nilHandle;
}
LRESULT CALLBACK generic_view_handler( HWND win, UINT msg, WPARAM mp1, LPARAM mp2)
{
LRESULT ret = 0;
Handle self = GetWindowLongPtr( win, GWLP_USERDATA);
PWidget v = ( PWidget) self;
UINT orgMsg = msg;
Event ev;
Bool hiStage = false;
int i, orgCmd;
Bool message_result = true;
if ( !self || appDead)
return DefWindowProcW( win, msg, mp1, mp2);
memset( &ev, 0, sizeof (ev));
ev. gen. source = self;
switch ( msg) {
case WM_NCACTIVATE:
// if activation or deactivation is concerned with declipped window ( e.g.self),
// notify its top level frame so that it will have the chance to redraw itself correspondingly
if ( is_declipped_child( self) && !Widget_is_child( hwnd_to_view(( HWND) mp2), hwnd_top_level( self))) {
Handle x = hwnd_top_level( self);
if ( x) SendMessage( DHANDLE( x), WM_NCACTIVATE, mp1, mp2);
}
break;
case WM_MOUSEACTIVATE:
// if pointing to non-active frame, but its declipped child is active at the moment,
// cancel activation - it could produce unwilling focus changes
if ( sys className == WC_FRAME) {
Handle x = hwnd_to_view( GetActiveWindow());
if ( is_declipped_child(x) && Widget_is_child( x, self))
return MA_NOACTIVATE;
}
break;
case WM_CLOSE:
if ( sys className != WC_FRAME)
return 0;
break;
case WM_COMMAND:
if (( HIWORD( mp1) == 0 /* menu source */) && ( mp2 == 0)) {
if ( LOWORD( mp1) <= MENU_ID_AUTOSTART) {
HWND active = GetFocus();
if ( active != nil) SendMessage( active, LOWORD( mp1), 0, 0);
} else if ( sys lastMenu) {
PAbstractMenu a = ( PAbstractMenu) sys lastMenu;
if ( a-> stage <= csNormal)
a-> self-> sub_call_id(( Handle) a, LOWORD( mp1) - MENU_ID_AUTOSTART);
}
}
break;
case WM_CONTEXTMENU:
{
POINT a;
a. x = ( short)LOWORD( mp2);
a. y = ( short)HIWORD( mp2);
ev. cmd = cmPopup;
// mouse event
ev. gen. B = ( GetKeyState( VK_LBUTTON) < 0) | ( GetKeyState( VK_RBUTTON) < 0);
if ( !ev. gen. B && GetSystemMetrics( SM_MOUSEPRESENT))
GetCursorPos(( POINT*) &a);
MapWindowPoints( NULL, win, &a, 1);
ev. gen. P. x = a. x;
ev. gen. P. y = sys lastSize. y - a. y - 1;
}
break;
case WM_ENABLE:
ev. cmd = mp1 ? cmEnable : cmDisable;
hiStage = true;
break;
case WM_ERASEBKGND:
return 1;
case WM_FORCEFOCUS:
if ( mp2)
((( PWidget) mp2)-> self)-> set_selected(( Handle) mp2, 1);
return 0;
case WM_HASMATE:
*(( Handle*) mp2) = self;
return HASMATE_MAGIC;
case WM_IME_CHAR:
if ( apc_widget_is_responsive( self)) {
ev. cmd = cmKeyDown;
ev. key. mod = kmUnicode;
ev. key. key = kbNoKey;
ev. key. code = mp1;
}
break;
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
if ( mp2 & ( 1 << 29)) ev. key. mod = kmAlt;
case WM_KEYDOWN:
case WM_KEYUP:
if ( apc_widget_is_responsive( self)) {
BYTE * keyState;
Bool up = ( msg == WM_KEYUP) || ( msg == WM_SYSKEYUP);
Bool extended = mp2 & ( 1 << 24);
UINT scan = ( HIWORD( mp2) & 0xFF) | ( up ? 0x80000000 : 0);
int deadPollCount = 0;
HKL kl = GetKeyboardLayout(0);
// basic assignments
ev. cmd = up ? cmKeyUp : cmKeyDown;
ev. key. key = ctx_remap_def( mp1, ctx_kb2VK, false, kbNoKey);
ev. key. code = mp1;
ev. key. repeat = mp2 & 0x000000FF;
// VK validations
if ( extended) {
int ks = ev. key. key;
ev. key. key = ctx_remap_def( ks, ctx_kb2VK3, true, ks);
if ( ev. key. key != ks)
extended = false; // avoid (Ctrl|Alt)R+KeyPad combinations
} else if ( mp1 >= VK_NUMPAD0 && mp1 <= VK_DIVIDE)
extended = true; // include numpads
ev. key. mod = 0 |
( extended ? kmKeyPad : 0) |
(( GetKeyState( VK_SHIFT) < 0) ? kmShift : 0) |
(( GetKeyState( VK_CONTROL) < 0) ? kmCtrl : 0) |
(( GetKeyState( VK_MENU) < 0) ? kmAlt : 0);
keyState = guts. keyState;
AGAIN:
if ( PApplication(application)-> wantUnicodeInput) {
WCHAR keys[ 2];
// unicode mapping
switch ( ToUnicodeEx( mp1, scan, keyState, keys, 2, 0, kl)) {
case 1: // char
if ( lastDeadKey ) {
WCHAR wcBuffer[3];
WCHAR out[3];
wcBuffer[0] = keys[0];
wcBuffer[1] = lastDeadKey;
wcBuffer[2] = '\0';
if ( FoldStringW(MAP_PRECOMPOSED, (LPWSTR) wcBuffer, 3, (LPWSTR) out, 3) )
keys[0] = out[0];
}
if ( !deadPollCount && ( GetKeyState( VK_MENU) < 0) && ( GetKeyState( VK_SHIFT) >= 0)) {
WCHAR keys2[2];
if (( ToUnicodeEx( mp1, scan, guts. emptyKeyState, keys2, 2, 0, kl) == 1) &&
( keys2[0] != keys[0])) {
/* example - (AltGr+2) == '@' on danish keyboard.
this hack is to tell whether the key without mods
will give same character code ... */
ev. key. mod &= ~(kmAlt|kmCtrl|kmShift);
}
}
if (!up) lastDeadKey = 0;
break;
case 2: { // dead key
lastDeadKey = ctx_remap_def( keys[0], ctx_deadkeys, true, keys[0]);
keys[ 0] = 0;
ev. key. mod |= kmDeadKey;
}
break;
case 0: // virtual key
if ( deadPollCount == 0) {
/* can't have character code - maybe fish out without mods? */
keyState = guts. emptyKeyState;
deadPollCount = 1;
goto AGAIN;
} else {
/* same meaning without mods, no code anyway */
keys[ 0] = 0;
}
if (!up) lastDeadKey = 0;
break;
default:
ev. key. mod |= kmDeadKey;
if (!up) lastDeadKey = 0;
}
ev. key. code = keys[ 0];
ev. key. mod |= kmUnicode;
} else {
BYTE keys[ 4];
switch ( ToAsciiEx( mp1, scan, keyState, (LPWORD) keys, 0, kl)) {
case 1: // char
if ( lastDeadKey ) {
BYTE cBuffer[3];
BYTE out[3];
cBuffer[0] = keys[0];
cBuffer[1] = lastDeadKey;
cBuffer[2] = '\0';
if ( FoldStringA(MAP_PRECOMPOSED, (LPSTR) cBuffer, 3, (LPSTR) out, 3) )
keys[0] = out[0];
}
if ( !deadPollCount && ( GetKeyState( VK_MENU) < 0) && ( GetKeyState( VK_SHIFT) >= 0)) {
BYTE keys2[4];
if (( ToAsciiEx( mp1, scan, guts. emptyKeyState, (LPWORD) keys2, 0, kl) == 1) &&
( keys2[0] != keys[0])) {
/* example - (AltGr+2) == '@' on danish keyboard.
this hack is to tell whether the key without mods
will give same character code ... */
ev. key. mod &= ~(kmAlt|kmCtrl|kmShift);
}
}
break;
case 2: { // dead key
lastDeadKey = keys[0];
keys[ 0] = 0;
ev. key. mod |= kmDeadKey;
}
break;
case 0: // virtual key
if ( deadPollCount == 0) {
/* can't have character code - maybe fish out without mods? */
keyState = guts. emptyKeyState;
deadPollCount = 1;
goto AGAIN;
} else {
/* same meaning without mods, no code anyway */
keys[ 0] = 0;
}
if (!up) lastDeadKey = 0;
break;
default:
ev. key. mod |= kmDeadKey;
if (!up) lastDeadKey = 0;
}
ev. key. code = keys[ 0];
}
// simulated key codes
if ( ev. key. key == kbTab && ( ev. key. mod & kmShift))
ev. key. key = kbBackTab;
if ( ev. key. code >= 'A' && ev. key. code <= 'z' && ev. key. mod & kmCtrl) {
ev. key. code = toupper(ev. key. code & 0xFF) - '@';
if (!( ev. key. mod & kmShift)) ev. key. code = tolower( ev. key. code);
}
}
break;
case WM_INITMENUPOPUP:
if ( HIWORD( mp2)) break; // do not use system popup
case WM_INITMENU:
{
PMenuWndData mwd = ( PMenuWndData) hash_fetch( menuMan, &mp1, sizeof( void*));
PMenuItemReg m = nil;
sys lastMenu = mwd ? mwd-> menu : nilHandle;
if ( mwd && mwd-> menu && ( PAbstractMenu(mwd-> menu)->stage <= csNormal)) {
m = ( PMenuItemReg) AbstractMenu_first_that( mwd-> menu, find_oid, INT2PTR(void*,mwd->id), true);
hiStage = true;
ev. cmd = cmMenu;
ev. gen. H = mwd-> menu;
ev. gen. i = m ? m-> id : 0;
}
if (( msg == WM_INITMENUPOPUP) && ( m == nil))
ev. cmd = 0;
}
break;
case WM_KILLFOCUS:
if (( HWND) mp1 != win) {
ev. cmd = cmReleaseFocus;
hiStage = true;
apt_assign( aptFocused, 0);
DestroyCaret();
}
break;
case WM_LBUTTONDOWN:
ev. pos. button = mbLeft;
goto MB_DOWN;
case WM_RBUTTONDOWN:
ev. pos. button = mbRight;
goto MB_DOWN;
case WM_MBUTTONDOWN:
ev. pos. button = mbMiddle;
goto MB_DOWN;
case WM_LBUTTONUP:
ev. pos. button = mbLeft;
goto MB_UP;
case WM_RBUTTONUP:
ev. pos. button = mbRight;
goto MB_UP;
case WM_MBUTTONUP:
ev. pos. button = mbMiddle;
goto MB_UP;
case WM_LBUTTONDBLCLK:
ev. pos. button = mbLeft;
goto MB_DBLCLK;
case WM_RBUTTONDBLCLK:
ev. pos. button = mbRight;
goto MB_DBLCLK;
case WM_MBUTTONDBLCLK:
ev. pos. button = mbMiddle;
goto MB_DBLCLK;
case WM_LMOUSECLICK:
ev. pos. button = mbLeft;
goto MB_CLICK;
case WM_RMOUSECLICK:
ev. pos. button = mbRight;
goto MB_CLICK;
case WM_MMOUSECLICK:
ev. pos. button = mbMiddle;
goto MB_CLICK;
case WM_MOUSEWHEEL:
{
POINT p;
p. x = (short)LOWORD( mp2);
p. y = (short)HIWORD( mp2);
ev. cmd = cmMouseWheel;
ev. pos. button = ( short) HIWORD( mp1);
MapWindowPoints( nil, win, &p, 1);
ev. pos. where. x = p. x;
ev. pos. where. y = sys lastSize. y - p. y - 1;
}
goto MB_MAIN_NOPOS;
case WM_MOUSEMOVE:
ev. cmd = cmMouseMove;
if ( self != lastMouseOver) {
Handle old = lastMouseOver;
lastMouseOver = self;
if ( old && ( PWidget( old)-> stage == csNormal))
SendMessage(( HWND)(( PWidget) old)-> handle, WM_MOUSEEXIT, mp1, mp2);
SendMessage( win, WM_MOUSEENTER, mp1, mp2);
if ( !guts. mouseTimer) {
guts. mouseTimer = 1;
if ( !SetTimer( dsys(application)handle, TID_USERMAX, 100, nil)) apiErr;
}
}
goto MB_MAIN;
case WM_MOUSEENTER:
ev. cmd = cmMouseEnter;
goto MB_MAIN;
case WM_MOUSEEXIT:
ev. cmd = cmMouseLeave;
goto MB_MAIN;
MB_DOWN:
ev. cmd = cmMouseDown;
goto MB_MAINACT;
MB_UP:
ev. cmd = cmMouseUp;
goto MB_MAINACT;
MB_DBLCLK:
ev. pos. dblclk = 1;
MB_CLICK:
ev. cmd = cmMouseClick;
goto MB_MAINACT;
MB_MAINACT:
if ( !is_apt( aptEnabled) || !apc_widget_is_responsive( self))
{
if ( ev. cmd == cmMouseDown || (ev. cmd == cmMouseClick && ev. pos. dblclk))
MessageBeep( MB_OK);
return 0;
}
goto MB_MAIN;
MB_MAIN:
if ( ev. cmd == cmMouseDown && !is_apt( aptFirstClick)) {
Handle x = self;
while ( dsys(x) className != WC_FRAME && ( x != application)) x = (( PWidget) x)-> owner;
if ( x != application && !local_wnd( GetActiveWindow(), DHANDLE( x)))
{
ev. cmd = 0; // yes, we abandon mousedown but we should force selection:
if ((( PApplication) application)-> hintUnder == self) v-> self-> set_hintVisible( self, 0);
if (( v-> options. optSelectable) && ( v-> selectingButtons & ev. pos. button))
apc_widget_set_focused( self);
}
}
ev. pos. where. x = (short)LOWORD( mp2);
ev. pos. where. y = sys lastSize. y - (short)HIWORD( mp2) - 1;
MB_MAIN_NOPOS:
ev. pos. mod = 0 |
(( mp1 & MK_CONTROL ) ? kmCtrl : 0) |
(( mp1 & MK_SHIFT ) ? kmShift : 0) |
(( GetKeyState( VK_MENU) < 0) ? kmAlt : 0) |
apc_pointer_get_state(self)
;
break;
case WM_MENUCHAR:
{
int key;
ev. key. key = ctx_remap_def( mp1, ctx_kb2VK2, false, kbNoKey);
ev. key. code = mp1;
ev. key. mod |=
(( GetKeyState( VK_SHIFT) < 0) ? kmShift : 0) |
(( GetKeyState( VK_CONTROL) < 0) ? kmCtrl : 0) |
(( GetKeyState( VK_MENU) < 0) ? kmAlt : 0);
if (( ev. key. mod & kmCtrl) && ( ev. key. code <= 'z'))
ev. key. code += 'A' - 1;
key = CAbstractMenu-> translate_key( nilHandle, ev. key. code, ev. key. key, ev. key. mod);
if ( v-> self-> process_accel( self, key))
return MAKELONG( 0, MNC_CLOSE);
}
break;
case WM_SYNCMOVE:
{
Handle parent = v-> self-> get_parent(( Handle) v);
if ( parent) {
Point pos = var self-> get_origin( self);
ev. cmd = cmMove;
ev. gen. P = pos;
if ( pos. x == var pos. x && pos. y == var pos. y) ev. cmd = 0;
}
}
break;
case WM_MOVE:
{
Handle parent = v-> self-> get_parent(( Handle) v);
if ( parent) {
Point sz = CWidget(parent)-> get_size( parent);
ev. cmd = cmMove;
ev. gen . P. x = ( short) LOWORD( mp2);
ev. gen . P. y = sz. y - ( short) HIWORD( mp2) - sys yOverride;
if ( is_apt( aptTransparent))
InvalidateRect( win, nil, false);
}
}
break;
case WM_NCHITTEST:
if ( guts. focSysDialog) return HTERROR;
// dlg protect code - protecting from user actions
if ( !guts. focSysDisabled && ( Application_map_focus( application, self) != self))
return HTERROR;
break;
case WM_PAINT:
ev. cmd = cmPaint;
if (
( sys className == WC_CUSTOM) &&
( var stage == csNormal) &&
( list_index_of( &guts. transp, self) >= 0)
)
return 0;
break;
case WM_QUERYNEWPALETTE:
return palette_change( self);
case WM_PALETTECHANGED:
if (( HWND) mp1 != win) {
Handle mp = hwnd_to_view(( HWND) mp1);
if ( mp && ( hwnd_top_level( mp) == hwnd_top_level( self)))
return 0;
palette_change( self);
}
break;
case WM_POSTAL:
ev. cmd = cmPost;
ev. gen. H = ( Handle) mp1;
ev. gen. p = ( void *) mp2;
break;
case WM_PRIMA_CREATE:
ev. cmd = cmSetup;
break;
case WM_SETFOCUS:
if ( guts. focSysDialog) return 1;
// dlg protect code - general case
if ( !guts. focSysDisabled && !guts. focSysGranted) {
Handle hf = Application_map_focus( application, self);
if ( hf != self) {
PostMessage( win, WM_FORCEFOCUS, 0, ( LPARAM) hf);
return 1;
}
}
if (( HWND) mp1 != win) {
ev. cmd = cmReceiveFocus;
hiStage = true;
apt_assign( aptFocused, 1);
cursor_update( self);
}
break;
case WM_SETVISIBLE:
if ( list_index_of( &guts. transp, self) < 0) {
if ( v-> stage <= csNormal) ev. cmd = mp1 ? cmShow : cmHide;
hiStage = true;
apt_assign( aptVisible, mp1);
}
break;
case WM_SIZE:
ev. cmd = cmSize;
ev. gen. R. left = sys lastSize. x;
ev. gen. R. bottom = sys lastSize. y;
sys lastSize. x = ev. gen. R. right = ev. gen . P. x = ( short) LOWORD( mp2);
sys lastSize. y = ev. gen. R. top = ev. gen . P. y = ( short) HIWORD( mp2);
if ( ev. gen. R. top != ev. gen. R. bottom) {
int delta = ev. gen. R. top - ev. gen. R. bottom;
Widget_first_that( self, move_back, &delta);
if ( is_apt( aptFocused)) cursor_update(( Handle) self);
}
if ( sys sizeLockLevel == 0 && var stage <= csNormal)
var virtualSize = sys lastSize;
break;
case WM_TIMER:
{
int id = mp1 - 1;
if ( id >= 0 && id < sys timeDefsCount) ev. gen. H = ( Handle) sys timeDefs[ id]. item;
if ( ev. gen. H) {
v = ( PWidget)( self = ev. gen. H);
ev. cmd = cmTimer;
}
}
break;
case WM_WINDOWPOSCHANGING:
{
LPWINDOWPOS l = ( LPWINDOWPOS) mp2;
if ( sys className == WC_CUSTOM) {
if (( l-> flags & SWP_NOSIZE) == 0) {
ev. cmd = cmCalcBounds;
ev. gen. R. right = l-> cx;
ev. gen. R. top = l-> cy;
}
}
if (( l-> flags & SWP_NOZORDER) == 0)
zorder_sync( self, win, l);
}
break;
case WM_WINDOWPOSCHANGED:
{
LPWINDOWPOS l = ( LPWINDOWPOS) mp2;
if (( l-> flags & SWP_NOZORDER) == 0)
PostMessage( win, WM_ZORDERSYNC, 0, 0);
if (( l-> flags & SWP_NOSIZE) == 0) {
sys yOverride = l-> cy;
SendMessage( win, WM_SYNCMOVE, 0, 0);
}
if ( l-> flags & SWP_HIDEWINDOW) SendMessage( win, WM_SETVISIBLE, 0, 0);
if ( l-> flags & SWP_SHOWWINDOW) SendMessage( win, WM_SETVISIBLE, 1, 0);
}
break;
case WM_ZORDERSYNC:
ev. cmd = cmZOrderChanged;
break;
}
