X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/218847660e9d14a2348586120c88f56c49a4dae7..f42b1601d6a55f3c2b7e7c22894727bda70d8505:/src/gtk/window.cpp diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp index 7821833663..1cc1b40434 100644 --- a/src/gtk/window.cpp +++ b/src/gtk/window.cpp @@ -44,6 +44,8 @@ #include "gdk/gdkkeysyms.h" #include "wx/gtk/win_gtk.h" +#include "gdk/gdkx.h" + //----------------------------------------------------------------------------- // documentation on internals //----------------------------------------------------------------------------- @@ -128,8 +130,9 @@ extern wxList wxPendingDelete; extern bool g_blockEventsOnDrag; extern bool g_blockEventsOnScroll; -static bool g_capturing = FALSE; -static wxWindow *g_focusWindow = (wxWindow*) NULL; +extern wxCursor g_globalCursor; +static wxWindow *g_captureWindow = (wxWindow*) NULL; + wxWindow *g_focusWindow = (wxWindow*) NULL; /* hack: we need something to pass to gtk_menu_popup, so we store the time of the last click here */ @@ -174,6 +177,32 @@ void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window #endif // Debug +//----------------------------------------------------------------------------- +// missing gdk functions +//----------------------------------------------------------------------------- + +void +gdk_window_warp_pointer (GdkWindow *window, + gint x, + gint y) +{ + GdkWindowPrivate *priv; + + if (!window) + window = (GdkWindow*) &gdk_root_parent; + + priv = (GdkWindowPrivate*) window; + + if (!priv->destroyed) + { + XWarpPointer (priv->xdisplay, + None, /* not source window -> move from anywhere */ + priv->xwindow, /* dest window */ + 0, 0, 0, 0, /* not source window -> move from anywhere */ + x, y ); + } +} + //----------------------------------------------------------------------------- // idle system //----------------------------------------------------------------------------- @@ -185,6 +214,150 @@ extern bool g_isIdle; // key event conversion routines //----------------------------------------------------------------------------- +#if (GTK_MINOR_VERSION == 0) +/* these functions are copied verbatim from GTK 1.2 */ +static void +gdkx_XConvertCase (KeySym symbol, + KeySym *lower, + KeySym *upper) +{ + register KeySym sym = symbol; + + g_return_if_fail (lower != NULL); + g_return_if_fail (upper != NULL); + + *lower = sym; + *upper = sym; + + switch (sym >> 8) + { +#if defined (GDK_A) && defined (GDK_Ooblique) + case 0: /* Latin 1 */ + if ((sym >= GDK_A) && (sym <= GDK_Z)) + *lower += (GDK_a - GDK_A); + else if ((sym >= GDK_a) && (sym <= GDK_z)) + *upper -= (GDK_a - GDK_A); + else if ((sym >= GDK_Agrave) && (sym <= GDK_Odiaeresis)) + *lower += (GDK_agrave - GDK_Agrave); + else if ((sym >= GDK_agrave) && (sym <= GDK_odiaeresis)) + *upper -= (GDK_agrave - GDK_Agrave); + else if ((sym >= GDK_Ooblique) && (sym <= GDK_Thorn)) + *lower += (GDK_oslash - GDK_Ooblique); + else if ((sym >= GDK_oslash) && (sym <= GDK_thorn)) + *upper -= (GDK_oslash - GDK_Ooblique); + break; +#endif /* LATIN1 */ + +#if defined (GDK_Aogonek) && defined (GDK_tcedilla) + case 1: /* Latin 2 */ + /* Assume the KeySym is a legal value (ignore discontinuities) */ + if (sym == GDK_Aogonek) + *lower = GDK_aogonek; + else if (sym >= GDK_Lstroke && sym <= GDK_Sacute) + *lower += (GDK_lstroke - GDK_Lstroke); + else if (sym >= GDK_Scaron && sym <= GDK_Zacute) + *lower += (GDK_scaron - GDK_Scaron); + else if (sym >= GDK_Zcaron && sym <= GDK_Zabovedot) + *lower += (GDK_zcaron - GDK_Zcaron); + else if (sym == GDK_aogonek) + *upper = GDK_Aogonek; + else if (sym >= GDK_lstroke && sym <= GDK_sacute) + *upper -= (GDK_lstroke - GDK_Lstroke); + else if (sym >= GDK_scaron && sym <= GDK_zacute) + *upper -= (GDK_scaron - GDK_Scaron); + else if (sym >= GDK_zcaron && sym <= GDK_zabovedot) + *upper -= (GDK_zcaron - GDK_Zcaron); + else if (sym >= GDK_Racute && sym <= GDK_Tcedilla) + *lower += (GDK_racute - GDK_Racute); + else if (sym >= GDK_racute && sym <= GDK_tcedilla) + *upper -= (GDK_racute - GDK_Racute); + break; +#endif /* LATIN2 */ + +#if defined (GDK_Hstroke) && defined (GDK_Cabovedot) + case 2: /* Latin 3 */ + /* Assume the KeySym is a legal value (ignore discontinuities) */ + if (sym >= GDK_Hstroke && sym <= GDK_Hcircumflex) + *lower += (GDK_hstroke - GDK_Hstroke); + else if (sym >= GDK_Gbreve && sym <= GDK_Jcircumflex) + *lower += (GDK_gbreve - GDK_Gbreve); + else if (sym >= GDK_hstroke && sym <= GDK_hcircumflex) + *upper -= (GDK_hstroke - GDK_Hstroke); + else if (sym >= GDK_gbreve && sym <= GDK_jcircumflex) + *upper -= (GDK_gbreve - GDK_Gbreve); + else if (sym >= GDK_Cabovedot && sym <= GDK_Scircumflex) + *lower += (GDK_cabovedot - GDK_Cabovedot); + else if (sym >= GDK_cabovedot && sym <= GDK_scircumflex) + *upper -= (GDK_cabovedot - GDK_Cabovedot); + break; +#endif /* LATIN3 */ + +#if defined (GDK_Rcedilla) && defined (GDK_Amacron) + case 3: /* Latin 4 */ + /* Assume the KeySym is a legal value (ignore discontinuities) */ + if (sym >= GDK_Rcedilla && sym <= GDK_Tslash) + *lower += (GDK_rcedilla - GDK_Rcedilla); + else if (sym >= GDK_rcedilla && sym <= GDK_tslash) + *upper -= (GDK_rcedilla - GDK_Rcedilla); + else if (sym == GDK_ENG) + *lower = GDK_eng; + else if (sym == GDK_eng) + *upper = GDK_ENG; + else if (sym >= GDK_Amacron && sym <= GDK_Umacron) + *lower += (GDK_amacron - GDK_Amacron); + else if (sym >= GDK_amacron && sym <= GDK_umacron) + *upper -= (GDK_amacron - GDK_Amacron); + break; +#endif /* LATIN4 */ + +#if defined (GDK_Serbian_DJE) && defined (GDK_Cyrillic_yu) + case 6: /* Cyrillic */ + /* Assume the KeySym is a legal value (ignore discontinuities) */ + if (sym >= GDK_Serbian_DJE && sym <= GDK_Serbian_DZE) + *lower -= (GDK_Serbian_DJE - GDK_Serbian_dje); + else if (sym >= GDK_Serbian_dje && sym <= GDK_Serbian_dze) + *upper += (GDK_Serbian_DJE - GDK_Serbian_dje); + else if (sym >= GDK_Cyrillic_YU && sym <= GDK_Cyrillic_HARDSIGN) + *lower -= (GDK_Cyrillic_YU - GDK_Cyrillic_yu); + else if (sym >= GDK_Cyrillic_yu && sym <= GDK_Cyrillic_hardsign) + *upper += (GDK_Cyrillic_YU - GDK_Cyrillic_yu); + break; +#endif /* CYRILLIC */ + +#if defined (GDK_Greek_ALPHAaccent) && defined (GDK_Greek_finalsmallsigma) + case 7: /* Greek */ + /* Assume the KeySym is a legal value (ignore discontinuities) */ + if (sym >= GDK_Greek_ALPHAaccent && sym <= GDK_Greek_OMEGAaccent) + *lower += (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent); + else if (sym >= GDK_Greek_alphaaccent && sym <= GDK_Greek_omegaaccent && + sym != GDK_Greek_iotaaccentdieresis && + sym != GDK_Greek_upsilonaccentdieresis) + *upper -= (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent); + else if (sym >= GDK_Greek_ALPHA && sym <= GDK_Greek_OMEGA) + *lower += (GDK_Greek_alpha - GDK_Greek_ALPHA); + else if (sym >= GDK_Greek_alpha && sym <= GDK_Greek_omega && + sym != GDK_Greek_finalsmallsigma) + *upper -= (GDK_Greek_alpha - GDK_Greek_ALPHA); + break; +#endif /* GREEK */ + } +} + +static guint +gdk_keyval_to_upper (guint keyval) +{ + if (keyval) + { + KeySym lower_val = 0; + KeySym upper_val = 0; + + gdkx_XConvertCase (keyval, &lower_val, &upper_val); + return upper_val; + } + return 0; +} +#endif + static long map_to_unmodified_wx_keysym( KeySym keysym ) { guint key_code = 0; @@ -195,6 +368,12 @@ static long map_to_unmodified_wx_keysym( KeySym keysym ) case GDK_Shift_R: key_code = WXK_SHIFT; break; case GDK_Control_L: case GDK_Control_R: key_code = WXK_CONTROL; break; + case GDK_Meta_L: + case GDK_Meta_R: + case GDK_Alt_L: + case GDK_Alt_R: + case GDK_Super_L: + case GDK_Super_R: key_code = WXK_ALT; break; case GDK_Menu: key_code = WXK_MENU; break; case GDK_Help: key_code = WXK_HELP; break; case GDK_BackSpace: key_code = WXK_BACK; break; @@ -261,7 +440,7 @@ static long map_to_unmodified_wx_keysym( KeySym keysym ) case GDK_KP_Subtract: key_code = WXK_NUMPAD_SUBTRACT; break; case GDK_KP_Decimal: key_code = WXK_NUMPAD_DECIMAL; break; case GDK_KP_Divide: key_code = WXK_NUMPAD_DIVIDE; break; - + case GDK_F1: key_code = WXK_F1; break; case GDK_F2: key_code = WXK_F2; break; case GDK_F3: key_code = WXK_F3; break; @@ -360,7 +539,7 @@ static long map_to_wx_keysym( KeySym keysym ) case GDK_KP_Subtract: key_code = '-'; break; case GDK_KP_Decimal: key_code = '.'; break; case GDK_KP_Divide: key_code = '/'; break; - + case GDK_F1: key_code = WXK_F1; break; case GDK_F2: key_code = WXK_F2; break; case GDK_F3: key_code = WXK_F3; break; @@ -482,7 +661,10 @@ static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNU static void gtk_window_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExpose *gdk_event, wxWindow *win ) { - if ( !win->m_hasVMT ) + if (!win->m_hasVMT) + return; + + if (gdk_event->window != win->m_wxwindow->window) return; win->GetUpdateRegion().Union( gdk_event->area.x, @@ -490,20 +672,23 @@ static void gtk_window_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExp gdk_event->area.width, gdk_event->area.height ); - if ( gdk_event->count > 0 ) + if (gdk_event->count > 0) return; -/* - printf( "OnExpose from " ); - if (win->GetClassInfo() && win->GetClassInfo()->GetClassName()) - printf( win->GetClassInfo()->GetClassName() ); - printf( ".\n" ); -*/ - wxPaintEvent event( win->GetId() ); event.SetEventObject( win ); win->GetEventHandler()->ProcessEvent( event ); +/* + wxPrintf( "OnExpose from " ); + if (win->GetClassInfo() && win->GetClassInfo()->GetClassName()) + wxPrintf( win->GetClassInfo()->GetClassName() ); + wxPrintf( " %d %d %d %d\n", (int)gdk_event->area.x, + (int)gdk_event->area.y, + (int)gdk_event->area.width, + (int)gdk_event->area.height ); +*/ + win->GetUpdateRegion().Clear(); } @@ -513,7 +698,7 @@ static void gtk_window_expose_callback( GtkWidget *WXUNUSED(widget), GdkEventExp static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle *rect, wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) @@ -524,6 +709,17 @@ static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle wxPaintEvent event( win->GetId() ); event.SetEventObject( win ); + +/* + wxPrintf( "OnDraw from " ); + if (win->GetClassInfo() && win->GetClassInfo()->GetClassName()) + printf( win->GetClassInfo()->GetClassName() ); + wxPrintf( " %d %d %d %d\n", (int)rect->x, + (int)rect->y, + (int)rect->width, + (int)rect->height ); +*/ + win->GetEventHandler()->ProcessEvent( event ); win->GetUpdateRegion().Clear(); @@ -535,7 +731,7 @@ static void gtk_window_draw_callback( GtkWidget *WXUNUSED(widget), GdkRectangle static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) return FALSE; @@ -559,13 +755,13 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e if (gdk_event->window) gdk_window_get_pointer(gdk_event->window, &x, &y, &state); long key_code = map_to_unmodified_wx_keysym( gdk_event->keyval ); - + /* sending unknown key events doesn't really make sense */ if (key_code == 0) return FALSE; bool ret = FALSE; - - wxKeyEvent event( wxEVT_KEY_DOWN ); + + wxKeyEvent event( wxEVT_KEY_DOWN ); event.SetTimestamp( gdk_event->time ); event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK); event.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK); @@ -577,28 +773,10 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e event.m_y = y; event.SetEventObject( win ); ret = win->GetEventHandler()->ProcessEvent( event ); - - key_code = map_to_wx_keysym( gdk_event->keyval ); - /* wxMSW doesn't send char events with Alt pressed */ - if ((key_code != 0) && - ((gdk_event->state & GDK_MOD1_MASK) == 0) && - ((gdk_event->state & GDK_MOD1_MASK) == 0)) - { - wxKeyEvent event2( wxEVT_CHAR ); - event2.SetTimestamp( gdk_event->time ); - event2.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK); - event2.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK); -// event2.m_altDown = (gdk_event->state & GDK_MOD1_MASK); -// event2.m_metaDown = (gdk_event->state & GDK_MOD2_MASK); - event2.m_keyCode = key_code; - event2.m_scanCode = gdk_event->keyval; - event2.m_x = x; - event2.m_y = y; - event2.SetEventObject( win ); - ret = (ret || win->GetEventHandler()->ProcessEvent( event2 )); - } + key_code = map_to_wx_keysym( gdk_event->keyval ); +#if wxUSE_ACCEL if (!ret) { wxWindow *ancestor = win; @@ -614,8 +792,27 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e ancestor = ancestor->GetParent(); } } +#endif // wxUSE_ACCEL + /* wxMSW doesn't send char events with Alt pressed */ + /* Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x + will only be sent if it is not a menu accelerator. */ + if ((key_code != 0) && ! ret ) + { + wxKeyEvent event2( wxEVT_CHAR ); + event2.SetTimestamp( gdk_event->time ); + event2.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK); + event2.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK); + event2.m_altDown = (gdk_event->state & GDK_MOD1_MASK); + event2.m_metaDown = (gdk_event->state & GDK_MOD2_MASK); + event2.m_keyCode = key_code; + event2.m_scanCode = gdk_event->keyval; + event2.m_x = x; + event2.m_y = y; + event2.SetEventObject( win ); + ret = (ret || win->GetEventHandler()->ProcessEvent( event2 )); + } - // win is a control: tab can be propagated up + /* win is a control: tab can be propagated up */ if ( (!ret) && ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab)) && (win->HasFlag(wxTE_PROCESS_TAB) == 0)) @@ -637,7 +834,8 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e new_event.SetEventObject( win ); ret = win->GetEventHandler()->ProcessEvent( new_event ); } - + +#if (GTK_MINOR_VERSION > 0) /* pressing F10 will activate the menu bar of the top frame */ if ( (!ret) && (gdk_event->keyval == GDK_F10) ) @@ -646,25 +844,26 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e while (ancestor) { if (wxIsKindOf(ancestor,wxFrame)) - { - wxFrame *frame = (wxFrame*) ancestor; + { + wxFrame *frame = (wxFrame*) ancestor; wxMenuBar *menubar = frame->GetMenuBar(); - if (menubar) - { + if (menubar) + { wxNode *node = menubar->GetMenus().First(); - if (node) - { - wxMenu *firstMenu = (wxMenu*) node->Data(); - // doesn't work correctly - // gtk_menu_item_select( GTK_MENU_ITEM(firstMenu->m_owner) ); - // ret = TRUE; - break; - } - } - } + if (node) + { + // doesn't work correctly + // wxMenu *firstMenu = (wxMenu*) node->Data(); + // gtk_menu_item_select( GTK_MENU_ITEM(firstMenu->m_owner) ); + // ret = TRUE; + break; + } + } + } ancestor = ancestor->GetParent(); } } +#endif /* Damn, I forgot why this didn't work, but it didn't work. @@ -704,7 +903,7 @@ static gint gtk_window_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_e static gint gtk_window_key_release_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) return FALSE; @@ -724,7 +923,7 @@ static gint gtk_window_key_release_callback( GtkWidget *widget, GdkEventKey *gdk */ long key_code = map_to_unmodified_wx_keysym( gdk_event->keyval ); - + /* sending unknown key events doesn't really make sense */ if (key_code == 0) return FALSE; @@ -760,7 +959,7 @@ static gint gtk_window_key_release_callback( GtkWidget *widget, GdkEventKey *gdk static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); /* @@ -844,7 +1043,7 @@ static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton // Some control don't have their own X window and thus cannot get // any events. - if (!g_capturing) + if (!g_captureWindow) { wxNode *node = win->GetChildren().First(); while (node) @@ -914,7 +1113,7 @@ static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) return FALSE; @@ -954,7 +1153,7 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto // Some control don't have their own X window and thus cannot get // any events. - if (!g_capturing) + if (!g_captureWindow) { wxNode *node = win->GetChildren().First(); while (node) @@ -1022,7 +1221,7 @@ static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButto static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) return FALSE; @@ -1065,7 +1264,7 @@ static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion // Some control don't have their own X window and thus cannot get // any events. - if (!g_capturing) + if (!g_captureWindow) { wxNode *node = win->GetChildren().First(); while (node) @@ -1133,7 +1332,7 @@ static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion static gint gtk_window_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) return FALSE; @@ -1183,7 +1382,7 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget, GdkEvent *WXUNUSED( static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) return FALSE; @@ -1220,7 +1419,7 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED static gint gtk_window_enter_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) return FALSE; @@ -1228,11 +1427,10 @@ static gint gtk_window_enter_callback( GtkWidget *widget, GdkEventCrossing *gdk_ if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE; - if (widget->window && win->GetCursor().Ok() ) - gdk_window_set_cursor( widget->window, win->GetCursor().GetCursor() ); - wxMouseEvent event( wxEVT_ENTER_WINDOW ); +#if (GTK_MINOR_VERSION > 0) event.SetTimestamp( gdk_event->time ); +#endif event.SetEventObject( win ); int x = 0; @@ -1267,19 +1465,18 @@ static gint gtk_window_enter_callback( GtkWidget *widget, GdkEventCrossing *gdk_ static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (!win->m_hasVMT) return FALSE; if (g_blockEventsOnDrag) return FALSE; if (!win->IsOwnGtkWindow( gdk_event->window )) return FALSE; - - if (widget->window && win->GetCursor().Ok() ) - gdk_window_set_cursor( widget->window, wxSTANDARD_CURSOR->GetCursor() ); wxMouseEvent event( wxEVT_LEAVE_WINDOW ); +#if (GTK_MINOR_VERSION > 0) event.SetTimestamp( gdk_event->time ); +#endif event.SetEventObject( win ); int x = 0; @@ -1314,7 +1511,7 @@ static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_ static void gtk_window_vscroll_callback( GtkWidget *WXUNUSED(widget), wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (g_blockEventsOnDrag) return; @@ -1358,7 +1555,7 @@ static void gtk_window_vscroll_callback( GtkWidget *WXUNUSED(widget), wxWindow * static void gtk_window_hscroll_callback( GtkWidget *WXUNUSED(widget), wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (g_blockEventsOnDrag) return; @@ -1401,7 +1598,7 @@ static void gtk_window_hscroll_callback( GtkWidget *WXUNUSED(widget), wxWindow * static void gtk_window_vscroll_change_callback( GtkWidget *WXUNUSED(widget), wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (g_blockEventsOnDrag) return; @@ -1421,7 +1618,7 @@ static void gtk_window_vscroll_change_callback( GtkWidget *WXUNUSED(widget), wxW static void gtk_window_hscroll_change_callback( GtkWidget *WXUNUSED(widget), wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (g_blockEventsOnDrag) return; @@ -1443,7 +1640,7 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *WXUNUSED(widget), GdkEventButton *WXUNUSED(gdk_event), wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); // don't test here as we can release the mouse while being over @@ -1502,7 +1699,7 @@ wxWindow *wxWindowBase::FindFocus() static gint gtk_window_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); if (win->m_delayedFont) @@ -1516,6 +1713,10 @@ gtk_window_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win ) win->SetCursor( win->GetCursor() ); + wxWindowCreateEvent event( win ); + event.SetEventObject( win ); + win->GetEventHandler()->ProcessEvent( event ); + return FALSE; } @@ -1594,9 +1795,10 @@ void wxWindow::Init() m_scrollGC = (GdkGC*) NULL; m_widgetStyle = (GtkStyle*) NULL; - m_insertCallback = wxInsertChildInWindow; + m_insertCallback = (wxInsertChildFunction) NULL; m_isStaticBox = FALSE; + m_isRadioButton = FALSE; m_acceptsFocus = FALSE; } @@ -1618,7 +1820,14 @@ bool wxWindow::Create( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, long style, const wxString &name ) { - PreCreation( parent, id, pos, size, style, name ); + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) + { + wxFAIL_MSG( _T("wxWindow creation failed") ); + return FALSE; + } + + m_insertCallback = wxInsertChildInWindow; m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); @@ -1775,49 +1984,44 @@ wxWindow::~wxWindow() if (m_widgetStyle) { gtk_style_unref( m_widgetStyle ); - m_widgetStyle = (GtkStyle*) NULL; + m_widgetStyle = (GtkStyle*) NULL; } if (m_scrollGC) { gdk_gc_unref( m_scrollGC ); - m_scrollGC = (GdkGC*) NULL; + m_scrollGC = (GdkGC*) NULL; } if (m_wxwindow) { gtk_widget_destroy( m_wxwindow ); - m_wxwindow = (GtkWidget*) NULL; + m_wxwindow = (GtkWidget*) NULL; } if (m_widget) { gtk_widget_destroy( m_widget ); - m_widget = (GtkWidget*) NULL; + m_widget = (GtkWidget*) NULL; } } -void wxWindow::PreCreation( wxWindow *parent, - wxWindowID id, - const wxPoint &pos, - const wxSize &size, - long style, - const wxString &name ) +bool wxWindow::PreCreation( wxWindow *parent, const wxPoint &pos, const wxSize &size ) { - wxASSERT_MSG( !m_needParent || parent, _T("Need complete parent.") ); - - if ( !CreateBase(parent, id, pos, size, style, name) ) - { - wxFAIL_MSG(_T("window creation failed")); - } + wxCHECK_MSG( !m_needParent || parent, FALSE, _T("Need complete parent.") ); + /* this turns -1 into 20 so that a minimal window is + visible even although -1,-1 has been given as the + size of the window. the same trick is used in other + ports and should make debugging easier */ m_width = WidthDefault(size.x); m_height = HeightDefault(size.y); m_x = (int)pos.x; m_y = (int)pos.y; - if (!parent) /* some reasonable defaults */ + /* some reasonable defaults */ + if (!parent) { if (m_x == -1) { @@ -1830,6 +2034,8 @@ void wxWindow::PreCreation( wxWindow *parent, if (m_y < 10) m_y = 10; } } + + return TRUE; } void wxWindow::PostCreation() @@ -1862,7 +2068,7 @@ void wxWindow::PostCreation() /* we cannot set colours, fonts and cursors before the widget has been realized, so we do this directly after realization */ gtk_signal_connect( GTK_OBJECT(connect_widget), "realize", - GTK_SIGNAL_FUNC(gtk_window_realized_callback), (gpointer) this ); + GTK_SIGNAL_FUNC(gtk_window_realized_callback), (gpointer) this ); m_hasVMT = TRUE; } @@ -1924,7 +2130,7 @@ void wxWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags ) } else { - if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING) + if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0) { if (x != -1) m_x = x; if (y != -1) m_y = y; @@ -1955,40 +2161,42 @@ void wxWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags ) if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight; int border = 0; + int bottom_border = 0; - if (GTK_WIDGET_HAS_DEFAULT(m_widget)) - { - /* the default button has a border around it */ - border = 5; - } - - /* this is the result of hours of debugging: the following code - means that if we have a m_wxwindow and we set the size of - m_widget, m_widget (which is a GtkScrolledWindow) does NOT - automatically propagate its size down to its m_wxwindow, - which is its client area. therefore, we have to tell the - client area directly that it has to resize itself. - this will lead to that m_widget (GtkScrolledWindow) will - calculate how much size it needs for scrollbars etc and - it will then call XXX_size_allocate of its child, which - is m_wxwindow. m_wxwindow in turn will do the same with its - children and so on. problems can arise if this happens - before all the children have been realized as some widgets - stupidy need to be realized during XXX_size_allocate (e.g. - GtkNotebook) and they will segv if called otherwise. this - emergency is tested in gtk_myfixed_size_allocate. Normally - this shouldn't be needed and only gtk_widget_queue_resize() - should be enough to provoke a resize at the next appropriate - moment, but this seems to fail, e.g. when a wxNotebook contains - a wxSplitterWindow: the splitter window's children won't - show up properly resized then. */ - - gtk_myfixed_set_size( GTK_MYFIXED(m_parent->m_wxwindow), - m_widget, - m_x-border, - m_y-border, - m_width+2*border, - m_height+2*border ); + if (GTK_WIDGET_CAN_DEFAULT(m_widget)) + { + /* the default button has a border around it */ + border = 6; + bottom_border = 5; + } + + /* this is the result of hours of debugging: the following code + means that if we have a m_wxwindow and we set the size of + m_widget, m_widget (which is a GtkScrolledWindow) does NOT + automatically propagate its size down to its m_wxwindow, + which is its client area. therefore, we have to tell the + client area directly that it has to resize itself. + this will lead to that m_widget (GtkScrolledWindow) will + calculate how much size it needs for scrollbars etc and + it will then call XXX_size_allocate of its child, which + is m_wxwindow. m_wxwindow in turn will do the same with its + children and so on. problems can arise if this happens + before all the children have been realized as some widgets + stupidy need to be realized during XXX_size_allocate (e.g. + GtkNotebook) and they will segv if called otherwise. this + emergency is tested in gtk_myfixed_size_allocate. Normally + this shouldn't be needed and only gtk_widget_queue_resize() + should be enough to provoke a resize at the next appropriate + moment, but this seems to fail, e.g. when a wxNotebook contains + a wxSplitterWindow: the splitter window's children won't + show up properly resized then. */ + + gtk_myfixed_set_size( GTK_MYFIXED(m_parent->m_wxwindow), + m_widget, + m_x-border, + m_y-border, + m_width+2*border, + m_height+border+bottom_border ); } m_sizeSet = TRUE; @@ -2002,6 +2210,34 @@ void wxWindow::DoSetSize( int x, int y, int width, int height, int sizeFlags ) void wxWindow::OnInternalIdle() { + wxCursor cursor = m_cursor; + if (g_globalCursor.Ok()) cursor = g_globalCursor; + + if (cursor.Ok() && m_currentGdkCursor != cursor) + { + m_currentGdkCursor = cursor; + + if (m_wxwindow) + { + GdkWindow *window = m_wxwindow->window; + if (window) + gdk_window_set_cursor( window, cursor.GetCursor() ); + + if (!g_globalCursor.Ok()) + cursor = *wxSTANDARD_CURSOR; + + window = m_widget->window; + if (window) + gdk_window_set_cursor( window, cursor.GetCursor() ); + } + else + { + GdkWindow *window = m_widget->window; + if (window) + gdk_window_set_cursor( window, cursor.GetCursor() ); + } + } + UpdateWindowUI(); } @@ -2026,32 +2262,32 @@ void wxWindow::DoSetClientSize( int width, int height ) int dw = 0; int dh = 0; - if (!m_hasScrolling) +#if (GTK_MINOR_VERSION == 0) + if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER)) { - GtkStyleClass *window_class = m_wxwindow->style->klass; - - if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER)) + if (HasScrolling()) { - dw += 2 * window_class->xthickness; - dh += 2 * window_class->ythickness; - } - } - else - { - GtkScrolledWindow *scroll_window = GTK_SCROLLED_WINDOW(m_widget); - GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT(m_widget)->klass ); + GtkScrolledWindow *scroll_window = GTK_SCROLLED_WINDOW(m_widget); + GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT(m_widget)->klass ); -#if (GTK_MINOR_VERSION == 0) - GtkWidget *viewport = scroll_window->viewport; - GtkStyleClass *viewport_class = viewport->style->klass; + GtkWidget *viewport = scroll_window->viewport; + GtkStyleClass *viewport_class = viewport->style->klass; - if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER)) - { dw += 2 * viewport_class->xthickness; dh += 2 * viewport_class->ythickness; } + } +#else + if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER)) + { + /* when using GTK 1.2 we set the border size to 2 */ + dw += 2 * 2; + dh += 2 * 2; + } #endif + if (HasScrolling()) + { /* GtkWidget *hscrollbar = scroll_window->hscrollbar; GtkWidget *vscrollbar = scroll_window->vscrollbar; @@ -2059,6 +2295,9 @@ void wxWindow::DoSetClientSize( int width, int height ) we use this instead: range.slider_width = 11 + 2*2pts edge */ + GtkScrolledWindow *scroll_window = GTK_SCROLLED_WINDOW(m_widget); + GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT(m_widget)->klass ); + if (scroll_window->vscrollbar_visible) { dw += 15; /* dw += vscrollbar->allocation.width; */ @@ -2090,31 +2329,31 @@ void wxWindow::DoGetClientSize( int *width, int *height ) const int dw = 0; int dh = 0; - if (!m_hasScrolling) +#if (GTK_MINOR_VERSION == 0) + if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER)) { - GtkStyleClass *window_class = m_wxwindow->style->klass; - - if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER)) + if (HasScrolling()) { - dw += 2 * window_class->xthickness; - dh += 2 * window_class->ythickness; - } - } - else - { - GtkScrolledWindow *scroll_window = GTK_SCROLLED_WINDOW(m_widget); - GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT(m_widget)->klass ); + GtkScrolledWindow *scroll_window = GTK_SCROLLED_WINDOW(m_widget); + GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT(m_widget)->klass ); -#if (GTK_MINOR_VERSION == 0) - GtkWidget *viewport = scroll_window->viewport; - GtkStyleClass *viewport_class = viewport->style->klass; + GtkWidget *viewport = scroll_window->viewport; + GtkStyleClass *viewport_class = viewport->style->klass; - if ( HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER) ) - { dw += 2 * viewport_class->xthickness; dh += 2 * viewport_class->ythickness; } + } +#else + if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER)) + { + /* when using GTK 1.2 we set the border size to 2 */ + dw += 2 * 2; + dh += 2 * 2; + } #endif + if (HasScrolling()) + { /* GtkWidget *hscrollbar = scroll_window->hscrollbar; GtkWidget *vscrollbar = scroll_window->vscrollbar; @@ -2122,6 +2361,9 @@ void wxWindow::DoGetClientSize( int *width, int *height ) const we use this instead: range.slider_width = 11 + 2*2pts edge */ + GtkScrolledWindow *scroll_window = GTK_SCROLLED_WINDOW(m_widget); + GtkScrolledWindowClass *scroll_class = GTK_SCROLLED_WINDOW_CLASS( GTK_OBJECT(m_widget)->klass ); + if (scroll_window->vscrollbar_visible) { dw += 15; /* dw += vscrollbar->allocation.width; */ @@ -2310,16 +2552,42 @@ bool wxWindow::AcceptsFocus() const bool wxWindow::Reparent( wxWindow *newParent ) { - wxCHECK_MSG( (m_widget != NULL), (wxWindow*) NULL, _T("invalid window") ); + wxCHECK_MSG( (m_widget != NULL), FALSE, _T("invalid window") ); - gtk_widget_unparent( m_widget ); + wxWindow *oldParent = m_parent; if ( !wxWindowBase::Reparent(newParent) ) return FALSE; + if (oldParent) + { + gtk_container_remove( GTK_CONTAINER(oldParent->m_wxwindow), m_widget ); + } + + if (newParent) + { + /* insert GTK representation */ + (*(newParent->m_insertCallback))(newParent, this); + } + return TRUE; } +void wxWindow::DoAddChild(wxWindow *child) +{ + wxASSERT_MSG( (m_widget != NULL), _T("invalid window") ); + + wxASSERT_MSG( (child != NULL), _T("invalid child window") ); + + wxASSERT_MSG( (m_insertCallback != NULL), _T("invalid child insertion function") ); + + /* add to list */ + AddChild( child ); + + /* insert GTK representation */ + (*m_insertCallback)(this, child); +} + void wxWindow::Raise() { wxCHECK_RET( (m_widget != NULL), _T("invalid window") ); @@ -2348,32 +2616,36 @@ bool wxWindow::SetCursor( const wxCursor &cursor ) // been realized if (!m_delayedCursor) return FALSE; } - + GtkWidget *connect_widget = GetConnectWidget(); if (!connect_widget->window) { // indicate that a new style has been set - // but it couldn't get applied as the - // widget hasn't been realized yet. - m_delayedCursor = TRUE; - - // pretend we have done something + // but it couldn't get applied as the + // widget hasn't been realized yet. + m_delayedCursor = TRUE; + + // pretend we have done something return TRUE; } - if ((m_widget) && (m_widget->window)) - gdk_window_set_cursor( m_widget->window, GetCursor().GetCursor() ); - - if ((m_wxwindow) && (m_wxwindow->window)) - gdk_window_set_cursor( m_wxwindow->window, GetCursor().GetCursor() ); +// gdk_window_set_cursor( connect_widget->window, GetCursor().GetCursor() ); // cursor was set return TRUE; } -void wxWindow::WarpPointer( int WXUNUSED(x), int WXUNUSED(y) ) +void wxWindow::WarpPointer( int x, int y ) { - // TODO + wxCHECK_RET( (m_widget != NULL), _T("invalid window") ); + + GtkWidget *connect_widget = GetConnectWidget(); + if (connect_widget->window) + { + /* we provide this function ourselves as it is + missing in GDK */ + gdk_window_warp_pointer( connect_widget->window, x, y ); + } } void wxWindow::Refresh( bool eraseBackground, const wxRect *rect ) @@ -2441,7 +2713,7 @@ void wxWindow::DoSetToolTip( wxToolTip *tip ) void wxWindow::ApplyToolTip( GtkTooltips *tips, const wxChar *tip ) { - gtk_tooltips_set_tip( tips, GetConnectWidget(), wxConv_current->cWX2MB(tip), (gchar*) NULL ); + gtk_tooltips_set_tip( tips, GetConnectWidget(), wxConvCurrent->cWX2MB(tip), (gchar*) NULL ); } #endif // wxUSE_TOOLTIPS @@ -2455,16 +2727,16 @@ bool wxWindow::SetBackgroundColour( const wxColour &colour ) // been realized if (!m_delayedBackgroundColour) return FALSE; } - + GtkWidget *connect_widget = GetConnectWidget(); if (!connect_widget->window) { // indicate that a new style has been set - // but it couldn't get applied as the - // widget hasn't been realized yet. - m_delayedBackgroundColour = TRUE; - - // pretend we have done something + // but it couldn't get applied as the + // widget hasn't been realized yet. + m_delayedBackgroundColour = TRUE; + + // pretend we have done something return TRUE; } @@ -2478,7 +2750,6 @@ bool wxWindow::SetBackgroundColour( const wxColour &colour ) } wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE ); - if (sysbg == m_backgroundColour) { m_backgroundColour = wxNullColour; @@ -2503,21 +2774,21 @@ bool wxWindow::SetForegroundColour( const wxColour &colour ) // been realized if (!m_delayedForegroundColour) return FALSE; } - + GtkWidget *connect_widget = GetConnectWidget(); if (!connect_widget->window) { // indicate that a new style has been set - // but it couldn't get applied as the - // widget hasn't been realized yet. - m_delayedForegroundColour = TRUE; - - // pretend we have done something + // but it couldn't get applied as the + // widget hasn't been realized yet. + m_delayedForegroundColour = TRUE; + + // pretend we have done something return TRUE; } wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE ); - if (sysbg == m_foregroundColour) + if ( sysbg == m_backgroundColour ) { m_backgroundColour = wxNullColour; ApplyWidgetStyle(); @@ -2573,6 +2844,15 @@ void wxWindow::ApplyWidgetStyle() { } +//----------------------------------------------------------------------------- +// Pop-up menu stuff +//----------------------------------------------------------------------------- + +static void gtk_pop_hide_callback( GtkWidget *WXUNUSED(widget), bool* is_waiting ) +{ + *is_waiting = FALSE; +} + static void SetInvokingWindow( wxMenu *menu, wxWindow *win ) { menu->SetInvokingWindow( win ); @@ -2600,7 +2880,7 @@ static void pop_pos_callback( GtkMenu * WXUNUSED(menu), *y = gs_pop_y; } -bool wxWindow::PopupMenu( wxMenu *menu, int x, int y ) +bool wxWindow::DoPopupMenu( wxMenu *menu, int x, int y ) { wxCHECK_MSG( m_widget != NULL, FALSE, _T("invalid window") ); @@ -2613,6 +2893,11 @@ bool wxWindow::PopupMenu( wxMenu *menu, int x, int y ) gs_pop_x = x; gs_pop_y = y; + bool is_waiting = TRUE; + + gtk_signal_connect( GTK_OBJECT(menu->m_menu), "hide", + GTK_SIGNAL_FUNC(gtk_pop_hide_callback), (gpointer)&is_waiting ); + gtk_menu_popup( GTK_MENU(menu->m_menu), (GtkWidget *) NULL, // parent menu shell @@ -2622,6 +2907,13 @@ bool wxWindow::PopupMenu( wxMenu *menu, int x, int y ) 0, // button used to activate it 0 //gs_timeLastClick // the time of activation ); + + while (is_waiting) + { + while (gtk_events_pending()) + gtk_main_iteration(); + } + return TRUE; } @@ -2659,7 +2951,7 @@ bool wxWindow::IsOwnGtkWindow( GdkWindow *window ) bool wxWindow::SetFont( const wxFont &font ) { - wxCHECK_MSG( m_widget != NULL, FALSE, _T( "invalid window") ); + wxCHECK_MSG( m_widget != NULL, FALSE, _T( "invalid window") ); if (!wxWindowBase::SetFont(font)) { @@ -2667,16 +2959,16 @@ bool wxWindow::SetFont( const wxFont &font ) // been realized if (!m_delayedFont) return FALSE; } - + GtkWidget *connect_widget = GetConnectWidget(); if (!connect_widget->window) { // indicate that a new style has been set - // but it couldn't get applied as the - // widget hasn't been realized yet. - m_delayedFont = TRUE; - - // pretend we have done something + // but it couldn't get applied as the + // widget hasn't been realized yet. + m_delayedFont = TRUE; + + // pretend we have done something return TRUE; } @@ -2699,35 +2991,33 @@ void wxWindow::CaptureMouse() { wxCHECK_RET( m_widget != NULL, _T("invalid window") ); - wxCHECK_RET( g_capturing == FALSE, _T("CaptureMouse called twice") ); + wxCHECK_RET( g_captureWindow == NULL, _T("CaptureMouse called twice") ); GtkWidget *connect_widget = GetConnectWidget(); if (!connect_widget->window) return; - - gtk_grab_add( connect_widget ); + gdk_pointer_grab( connect_widget->window, FALSE, (GdkEventMask) (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK), (GdkWindow *) NULL, - (GdkCursor *) NULL, + m_cursor.GetCursor(), GDK_CURRENT_TIME ); - g_capturing = TRUE; + g_captureWindow = this; } void wxWindow::ReleaseMouse() { wxCHECK_RET( m_widget != NULL, _T("invalid window") ); - wxCHECK_RET( g_capturing == TRUE, _T("ReleaseMouse called twice") ); + wxCHECK_RET( g_captureWindow, _T("ReleaseMouse called twice") ); GtkWidget *connect_widget = GetConnectWidget(); if (!connect_widget->window) return; - - gtk_grab_remove( connect_widget ); + gdk_pointer_ungrab ( GDK_CURRENT_TIME ); - g_capturing = FALSE; + g_captureWindow = (wxWindow*) NULL; } bool wxWindow::IsRetained() const @@ -2885,13 +3175,16 @@ void wxWindow::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) ) m_scrollGC = gdk_gc_new( m_wxwindow->window ); gdk_gc_set_exposures( m_scrollGC, TRUE ); } - + wxNode *node = m_children.First(); while (node) { wxWindow *child = (wxWindow*) node->Data(); - child->Move( child->m_x + dx, child->m_y + dy ); - node = node->Next(); + int sx = 0; + int sy = 0; + child->GetSize( &sx, &sy ); + child->SetSize( child->m_x + dx, child->m_y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE ); + node = node->Next(); } int cw = 0; @@ -2899,7 +3192,7 @@ void wxWindow::ScrollWindow( int dx, int dy, const wxRect* WXUNUSED(rect) ) GetClientSize( &cw, &ch ); int w = cw - abs(dx); int h = ch - abs(dy); - + if ((h < 0) || (w < 0)) { Refresh();