X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/723a83c94a83c7dde13eb9bc8dbf651d212608ae..f2959820a5286e4b1595bb9c89de30fa69d6fc6a:/src/gtk/window.cpp?ds=sidebyside diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp index d5352509f4..1d2ab472d7 100644 --- a/src/gtk/window.cpp +++ b/src/gtk/window.cpp @@ -2,7 +2,6 @@ // Name: src/gtk/window.cpp // Purpose: wxWindowGTK implementation // Author: Robert Roebling -// Id: $Id$ // Copyright: (c) 1998 Robert Roebling, Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -43,6 +42,7 @@ #include "wx/gtk/private/gtk2-compat.h" #include "wx/gtk/private/event.h" #include "wx/gtk/private/win_gtk.h" +#include "wx/private/textmeasure.h" using namespace wxGTKImpl; #ifdef GDK_WINDOWING_X11 @@ -754,10 +754,10 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event, KeySym keysym = gdk_event->keyval; - wxLogTrace(TRACE_KEYS, wxT("Key %s event: keysym = %ld"), + wxLogTrace(TRACE_KEYS, wxT("Key %s event: keysym = %lu"), event.GetEventType() == wxEVT_KEY_UP ? wxT("release") : wxT("press"), - keysym); + static_cast(keysym)); long key_code = wxTranslateKeySymToWXKey(keysym, false /* !isChar */); @@ -841,7 +841,7 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event, event.m_keyCode = key_code; #if wxUSE_UNICODE - event.m_uniChar = gdk_keyval_to_unicode(key_code ? key_code : keysym); + event.m_uniChar = gdk_keyval_to_unicode(key_code); if ( !event.m_uniChar && event.m_keyCode <= WXK_DELETE ) { // Set Unicode key code to the ASCII equivalent for compatibility. E.g. @@ -858,22 +858,6 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event, } -struct wxGtkIMData -{ - GtkIMContext *context; - GdkEventKey *lastKeyEvent; - - wxGtkIMData() - { - context = gtk_im_multicontext_new(); - lastKeyEvent = NULL; - } - ~wxGtkIMData() - { - g_object_unref (context); - } -}; - namespace { @@ -950,8 +934,6 @@ gtk_window_key_press_callback( GtkWidget *WXUNUSED(widget), GdkEventKey *gdk_event, wxWindow *win ) { - if (!win->m_hasVMT) - return FALSE; if (g_blockEventsOnDrag) return FALSE; @@ -978,7 +960,7 @@ gtk_window_key_press_callback( GtkWidget *WXUNUSED(widget), int command = ancestor->GetAcceleratorTable()->GetCommand( event ); if (command != -1) { - wxCommandEvent menu_event( wxEVT_COMMAND_MENU_SELECTED, command ); + wxCommandEvent menu_event( wxEVT_MENU, command ); ret = ancestor->HandleWindowEvent( menu_event ); if ( !ret ) @@ -986,7 +968,7 @@ gtk_window_key_press_callback( GtkWidget *WXUNUSED(widget), // if the accelerator wasn't handled as menu event, try // it as button click (for compatibility with other // platforms): - wxCommandEvent button_event( wxEVT_COMMAND_BUTTON_CLICKED, command ); + wxCommandEvent button_event( wxEVT_BUTTON, command ); ret = ancestor->HandleWindowEvent( button_event ); } @@ -1009,17 +991,21 @@ gtk_window_key_press_callback( GtkWidget *WXUNUSED(widget), return_after_IM = true; } - if (!ret && win->m_imData) + if ( !ret ) { - win->m_imData->lastKeyEvent = gdk_event; + // Indicate that IM handling is in process by setting this pointer + // (which will remain valid for all the code called during IM key + // handling). + win->m_imKeyEvent = gdk_event; // We should let GTK+ IM filter key event first. According to GTK+ 2.0 API // docs, if IM filter returns true, no further processing should be done. // we should send the key_down event anyway. - bool intercepted_by_IM = - gtk_im_context_filter_keypress(win->m_imData->context, gdk_event) != 0; - win->m_imData->lastKeyEvent = NULL; - if (intercepted_by_IM) + const int intercepted_by_IM = win->GTKIMFilterKeypress(gdk_event); + + win->m_imKeyEvent = NULL; + + if ( intercepted_by_IM ) { wxLogTrace(TRACE_KEYS, wxT("Key event intercepted by IM")); return TRUE; @@ -1071,30 +1057,43 @@ gtk_window_key_press_callback( GtkWidget *WXUNUSED(widget), } } +int wxWindowGTK::GTKIMFilterKeypress(GdkEventKey* event) const +{ + return m_imContext ? gtk_im_context_filter_keypress(m_imContext, event) + : FALSE; +} + extern "C" { static void gtk_wxwindow_commit_cb (GtkIMContext * WXUNUSED(context), const gchar *str, wxWindow *window) +{ + // Ignore the return value here, it doesn't matter for the "commit" signal. + window->GTKDoInsertTextFromIM(str); +} +} + +bool wxWindowGTK::GTKDoInsertTextFromIM(const char* str) { wxKeyEvent event( wxEVT_CHAR ); // take modifiers, cursor position, timestamp etc. from the last // key_press_event that was fed into Input Method: - if (window->m_imData->lastKeyEvent) + if ( m_imKeyEvent ) { - wxFillOtherKeyEventFields(event, - window, window->m_imData->lastKeyEvent); + wxFillOtherKeyEventFields(event, this, m_imKeyEvent); } else { - event.SetEventObject( window ); + event.SetEventObject(this); } const wxString data(wxGTK_CONV_BACK_SYS(str)); if( data.empty() ) - return; + return false; + bool processed = false; for( wxString::const_iterator pstr = data.begin(); pstr != data.end(); ++pstr ) { #if wxUSE_UNICODE @@ -1108,9 +1107,22 @@ gtk_wxwindow_commit_cb (GtkIMContext * WXUNUSED(context), AdjustCharEventKeyCodes(event); - window->HandleWindowEvent(event); + if ( HandleWindowEvent(event) ) + processed = true; } + + return processed; } + +bool wxWindowGTK::GTKOnInsertText(const char* text) +{ + if ( !m_imKeyEvent ) + { + // We're not inside IM key handling at all. + return false; + } + + return GTKDoInsertTextFromIM(text); } @@ -1124,9 +1136,6 @@ gtk_window_key_release_callback( GtkWidget * WXUNUSED(widget), GdkEventKey *gdk_event, wxWindowGTK *win ) { - if (!win->m_hasVMT) - return FALSE; - if (g_blockEventsOnDrag) return FALSE; @@ -1276,13 +1285,11 @@ bool wxWindowGTK::GTKProcessEvent(wxEvent& event) const bool wxWindowGTK::GTKShouldIgnoreEvent() const { - return !m_hasVMT || g_blockEventsOnDrag; + return g_blockEventsOnDrag; } int wxWindowGTK::GTKCallbackCommonPrologue(GdkEventAny *event) const { - if (!m_hasVMT) - return FALSE; if (g_blockEventsOnDrag) return TRUE; if (g_blockEventsOnScroll) @@ -1538,8 +1545,11 @@ gtk_window_motion_notify_callback( GtkWidget * WXUNUSED(widget), { int x = 0; int y = 0; - GdkModifierType state; - gdk_window_get_pointer(gdk_event->window, &x, &y, &state); +#ifdef __WXGTK3__ + gdk_window_get_device_position(gdk_event->window, gdk_event->device, &x, &y, NULL); +#else + gdk_window_get_pointer(gdk_event->window, &x, &y, NULL); +#endif gdk_event->x = x; gdk_event->y = y; } @@ -1552,7 +1562,12 @@ gtk_window_motion_notify_callback( GtkWidget * WXUNUSED(widget), if ( g_captureWindow ) { // synthesise a mouse enter or leave event if needed - GdkWindow *winUnderMouse = gdk_window_at_pointer(NULL, NULL); + GdkWindow* winUnderMouse = +#ifdef __WXGTK3__ + gdk_device_get_window_at_position(gdk_event->device, NULL, NULL); +#else + gdk_window_at_pointer(NULL, NULL); +#endif // This seems to be necessary and actually been added to // GDK itself in version 2.0.X gdk_flush(); @@ -1599,30 +1614,18 @@ gtk_window_motion_notify_callback( GtkWidget * WXUNUSED(widget), // "scroll_event" (mouse wheel event) //----------------------------------------------------------------------------- -static gboolean -window_scroll_event_hscrollbar(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win) +// Compute lines/columns per action the same way as private GTK+ function +// _gtk_range_get_wheel_delta() +static inline int GetWheelScrollActionDelta(GtkRange* range) { - if (gdk_event->direction != GDK_SCROLL_LEFT && - gdk_event->direction != GDK_SCROLL_RIGHT) - { - return false; - } - - GtkRange *range = win->m_scrollBar[wxWindow::ScrollDir_Horz]; - - if (range && gtk_widget_get_visible(GTK_WIDGET(range))) + int delta = 3; + if (range) { GtkAdjustment* adj = gtk_range_get_adjustment(range); - double delta = gtk_adjustment_get_step_increment(adj) * 3; - if (gdk_event->direction == GDK_SCROLL_LEFT) - delta = -delta; - - gtk_range_set_value(range, gtk_adjustment_get_value(adj) + delta); - - return TRUE; + const double page_size = gtk_adjustment_get_page_size(adj); + delta = wxRound(pow(page_size, 2.0 / 3.0)); } - - return FALSE; + return delta; } static gboolean @@ -1631,60 +1634,92 @@ window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win) wxMouseEvent event(wxEVT_MOUSEWHEEL); InitMouseEvent(win, event, gdk_event); - // FIXME: Get these values from GTK or GDK - event.m_linesPerAction = 3; event.m_wheelDelta = 120; - // Determine the scroll direction. - switch (gdk_event->direction) +#if GTK_CHECK_VERSION(3,4,0) + if (gdk_event->direction == GDK_SCROLL_SMOOTH) { - case GDK_SCROLL_UP: - case GDK_SCROLL_RIGHT: - event.m_wheelRotation = 120; - break; - - case GDK_SCROLL_DOWN: - case GDK_SCROLL_LEFT: - event.m_wheelRotation = -120; - break; - - default: - return false; // Unknown/unhandled direction + bool processed_x = false; + if (gdk_event->delta_x) + { + event.m_wheelAxis = wxMOUSE_WHEEL_HORIZONTAL; + event.m_wheelRotation = int(event.m_wheelDelta * gdk_event->delta_x); + GtkRange* range = win->m_scrollBar[wxWindow::ScrollDir_Horz]; + event.m_linesPerAction = GetWheelScrollActionDelta(range); + event.m_columnsPerAction = event.m_linesPerAction; + processed_x = win->GTKProcessEvent(event); + } + bool processed_y = false; + if (gdk_event->delta_y) + { + event.m_wheelAxis = wxMOUSE_WHEEL_VERTICAL; + event.m_wheelRotation = int(event.m_wheelDelta * gdk_event->delta_y); + GtkRange* range = win->m_scrollBar[wxWindow::ScrollDir_Vert]; + event.m_linesPerAction = GetWheelScrollActionDelta(range); + event.m_columnsPerAction = event.m_linesPerAction; + processed_y = win->GTKProcessEvent(event); + } + return processed_x || processed_y; } - - // And the scroll axis. +#endif // GTK_CHECK_VERSION(3,4,0) + GtkRange *range; switch (gdk_event->direction) { case GDK_SCROLL_UP: case GDK_SCROLL_DOWN: + range = win->m_scrollBar[wxWindow::ScrollDir_Vert]; event.m_wheelAxis = wxMOUSE_WHEEL_VERTICAL; break; - case GDK_SCROLL_LEFT: case GDK_SCROLL_RIGHT: + range = win->m_scrollBar[wxWindow::ScrollDir_Horz]; event.m_wheelAxis = wxMOUSE_WHEEL_HORIZONTAL; break; + default: + return false; } - if (win->GTKProcessEvent(event)) - return TRUE; - - GtkRange *range = win->m_scrollBar[wxWindow::ScrollDir_Vert]; - - if (range && gtk_widget_get_visible(GTK_WIDGET(range))) + event.m_wheelRotation = event.m_wheelDelta; + if (gdk_event->direction == GDK_SCROLL_UP || + gdk_event->direction == GDK_SCROLL_LEFT) { - GtkAdjustment* adj = gtk_range_get_adjustment(range); - double delta = gtk_adjustment_get_step_increment(adj) * 3; - if (gdk_event->direction == GDK_SCROLL_UP) - delta = -delta; + event.m_wheelRotation = -event.m_wheelRotation; + } + event.m_linesPerAction = GetWheelScrollActionDelta(range); + event.m_columnsPerAction = event.m_linesPerAction; - gtk_range_set_value(range, gtk_adjustment_get_value(adj) + delta); + return win->GTKProcessEvent(event); +} - return TRUE; +#if GTK_CHECK_VERSION(3,4,0) +static gboolean +hscrollbar_scroll_event(GtkWidget* widget, GdkEventScroll* gdk_event, wxWindow* win) +{ + GdkEventScroll event2; + if (gdk_event->direction == GDK_SCROLL_SMOOTH && gdk_event->delta_x == 0) + { + memcpy(&event2, gdk_event, sizeof(event2)); + event2.delta_x = event2.delta_y; + event2.delta_y = 0; + gdk_event = &event2; } + return window_scroll_event(widget, gdk_event, win); +} - return FALSE; +static gboolean +vscrollbar_scroll_event(GtkWidget* widget, GdkEventScroll* gdk_event, wxWindow* win) +{ + GdkEventScroll event2; + if (gdk_event->direction == GDK_SCROLL_SMOOTH && gdk_event->delta_y == 0) + { + memcpy(&event2, gdk_event, sizeof(event2)); + event2.delta_y = event2.delta_x; + event2.delta_x = 0; + gdk_event = &event2; + } + return window_scroll_event(widget, gdk_event, win); } +#endif // GTK_CHECK_VERSION(3,4,0) //----------------------------------------------------------------------------- // "popup-menu" @@ -1748,7 +1783,7 @@ wx_window_focus_callback(GtkWidget *widget, //----------------------------------------------------------------------------- static gboolean -gtk_window_enter_callback( GtkWidget *widget, +gtk_window_enter_callback( GtkWidget*, GdkEventCrossing *gdk_event, wxWindowGTK *win ) { @@ -1757,17 +1792,8 @@ gtk_window_enter_callback( GtkWidget *widget, // Event was emitted after a grab if (gdk_event->mode != GDK_CROSSING_NORMAL) return FALSE; - int x = 0; - int y = 0; - GdkModifierType state = (GdkModifierType)0; - - gdk_window_get_pointer(gtk_widget_get_window(widget), &x, &y, &state); - wxMouseEvent event( wxEVT_ENTER_WINDOW ); InitMouseEvent(win, event, gdk_event); - wxPoint pt = win->GetClientAreaOrigin(); - event.m_x = x + pt.x; - event.m_y = y + pt.y; if ( !g_captureWindow ) { @@ -1786,7 +1812,7 @@ gtk_window_enter_callback( GtkWidget *widget, //----------------------------------------------------------------------------- static gboolean -gtk_window_leave_callback( GtkWidget *widget, +gtk_window_leave_callback( GtkWidget*, GdkEventCrossing *gdk_event, wxWindowGTK *win ) { @@ -1796,13 +1822,6 @@ gtk_window_leave_callback( GtkWidget *widget, if (gdk_event->mode != GDK_CROSSING_NORMAL) return FALSE; wxMouseEvent event( wxEVT_LEAVE_WINDOW ); - - int x = 0; - int y = 0; - GdkModifierType state = (GdkModifierType)0; - - gdk_window_get_pointer(gtk_widget_get_window(widget), &x, &y, &state); - InitMouseEvent(win, event, gdk_event); return win->GTKProcessEvent(event); @@ -1916,14 +1935,21 @@ size_allocate(GtkWidget*, GtkAllocation* alloc, wxWindow* win) if (w < 0) w = 0; if (h < 0) h = 0; } - if (win->m_oldClientWidth != w || win->m_oldClientHeight != h) + GtkAllocation a; + gtk_widget_get_allocation(win->m_widget, &a); + // update position for widgets in native containers, such as wxToolBar + if (!WX_IS_PIZZA(gtk_widget_get_parent(win->m_widget))) { - win->m_oldClientWidth = w; - win->m_oldClientHeight = h; + win->m_x = a.x; + win->m_y = a.y; + } + win->m_useCachedClientSize = true; + if (win->m_clientWidth != w || win->m_clientHeight != h) + { + win->m_clientWidth = w; + win->m_clientHeight = h; // this callback can be connected to m_wxwindow, // so always get size from m_widget->allocation - GtkAllocation a; - gtk_widget_get_allocation(win->m_widget, &a); win->m_width = a.width; win->m_height = a.height; if (!win->m_nativeSizeEvent) @@ -1966,18 +1992,9 @@ static void style_updated(GtkWidget*, wxWindow* win) static void style_updated(GtkWidget*, GtkStyle*, wxWindow* win) #endif { - if (win->IsTopLevel()) - { - wxSysColourChangedEvent event; - event.SetEventObject(win); - win->GTKProcessEvent(event); - } - else - { - // Border width could change, which will change client size. - // Make sure size event occurs for this - win->m_oldClientWidth = 0; - } + wxSysColourChangedEvent event; + event.SetEventObject(win); + win->GTKProcessEvent(event); } //----------------------------------------------------------------------------- @@ -1996,12 +2013,14 @@ void wxWindowGTK::GTKHandleRealized() if (IsFrozen()) DoFreeze(); - if (m_imData) + GdkWindow* const window = GTKGetDrawingWindow(); + + if (m_imContext) { gtk_im_context_set_client_window ( - m_imData->context, - m_wxwindow ? GTKGetDrawingWindow() + m_imContext, + window ? window : gtk_widget_get_window(m_widget) ); } @@ -2012,7 +2031,6 @@ void wxWindowGTK::GTKHandleRealized() #if wxGTK_HAS_COMPOSITING_SUPPORT if (IsTransparentBackgroundSupported()) { - GdkWindow* const window = GTKGetDrawingWindow(); if (window) gdk_window_set_composited(window, true); } @@ -2024,16 +2042,14 @@ void wxWindowGTK::GTKHandleRealized() } } - - // We cannot set colours and fonts before the widget - // been realized, so we do this directly after realization - // or otherwise in idle time - - if (m_needsStyleChange) +#ifndef __WXGTK3__ + if (window && ( + m_backgroundStyle == wxBG_STYLE_PAINT || + m_backgroundStyle == wxBG_STYLE_TRANSPARENT)) { - SetBackgroundStyle(GetBackgroundStyle()); - m_needsStyleChange = false; + gdk_window_set_back_pixmap(window, NULL, false); } +#endif wxWindowCreateEvent event(static_cast(this)); event.SetEventObject( this ); @@ -2041,8 +2057,7 @@ void wxWindowGTK::GTKHandleRealized() GTKUpdateCursor(true, false); - if (m_wxwindow && - (IsTopLevel() || HasFlag(wxBORDER_RAISED | wxBORDER_SUNKEN | wxBORDER_THEME))) + if (m_wxwindow && IsTopLevel()) { // attaching to style changed signal after realization avoids initial // changes we don't care about @@ -2067,11 +2082,14 @@ void wxWindowGTK::GTKHandleUnrealize() if (m_wxwindow) { - if (m_imData) - gtk_im_context_set_client_window(m_imData->context, NULL); + if (m_imContext) + gtk_im_context_set_client_window(m_imContext, NULL); - g_signal_handlers_disconnect_by_func( - m_wxwindow, (void*)style_updated, this); + if (IsTopLevel()) + { + g_signal_handlers_disconnect_by_func( + m_wxwindow, (void*)style_updated, this); + } } } @@ -2082,12 +2100,14 @@ void wxWindowGTK::GTKHandleUnrealize() wxWindow *wxWindowBase::DoFindFocus() { +#if wxUSE_MENUS // For compatibility with wxMSW, pretend that showing a popup menu doesn't // change the focus and that it remains on the window showing it, even // though the real focus does change in GTK. extern wxMenu *wxCurrentPopupMenu; if ( wxCurrentPopupMenu ) return wxCurrentPopupMenu->GetInvokingWindow(); +#endif // wxUSE_MENUS wxWindowGTK *focus = gs_pendingFocus ? gs_pendingFocus : gs_currentFocus; // the cast is necessary when we compile in wxUniversal mode @@ -2128,7 +2148,7 @@ bool wxGetKeyState(wxKeyCode WXUNUSED(key)) } #endif // __WINDOWS__ -static void GetMouseState(int& x, int& y, GdkModifierType& mask) +static GdkDisplay* GetDisplay() { wxWindow* tlw = NULL; if (!wxTopLevelWindows.empty()) @@ -2138,7 +2158,7 @@ static void GetMouseState(int& x, int& y, GdkModifierType& mask) display = gtk_widget_get_display(tlw->m_widget); else display = gdk_display_get_default(); - gdk_display_get_pointer(display, NULL, &x, &y, &mask); + return display; } wxMouseState wxGetMouseState() @@ -2149,7 +2169,17 @@ wxMouseState wxGetMouseState() gint y; GdkModifierType mask; - GetMouseState(x, y, mask); + GdkDisplay* display = GetDisplay(); +#ifdef __WXGTK3__ + GdkDeviceManager* manager = gdk_display_get_device_manager(display); + GdkDevice* device = gdk_device_manager_get_client_pointer(manager); + GdkScreen* screen; + gdk_device_get_position(device, &screen, &x, &y); + GdkWindow* window = gdk_screen_get_root_window(screen); + gdk_device_get_state(device, window, NULL, &mask); +#else + gdk_display_get_pointer(display, NULL, &x, &y, &mask); +#endif ms.SetX(x); ms.SetY(y); @@ -2191,14 +2221,13 @@ void wxWindowGTK::Init() m_width = 0; m_height = 0; - m_hasVMT = false; - m_showOnIdle = false; m_noExpose = false; m_nativeSizeEvent = false; #ifdef __WXGTK3__ m_paintContext = NULL; + m_styleProvider = NULL; #endif m_isScrolling = false; @@ -2211,16 +2240,17 @@ void wxWindowGTK::Init() m_scrollPos[dir] = 0; } - m_oldClientWidth = - m_oldClientHeight = 0; + m_clientWidth = + m_clientHeight = 0; + m_useCachedClientSize = false; m_clipPaintRegion = false; - m_needsStyleChange = false; - m_cursor = *wxSTANDARD_CURSOR; - m_imData = NULL; + m_imContext = NULL; + m_imKeyEvent = NULL; + m_dirtyTabOrder = false; } @@ -2267,14 +2297,20 @@ void wxWindowGTK::GTKCreateScrolledWindowWith(GtkWidget* view) } } - if (HasFlag(wxALWAYS_SHOW_SB)) - { - gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_ALWAYS, GTK_POLICY_ALWAYS ); - } - else - { - gtk_scrolled_window_set_policy( scrolledWindow, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC ); - } + // If wx[HV]SCROLL is not given, the corresponding scrollbar is not shown + // at all. Otherwise it may be shown only on demand (default) or always, if + // the wxALWAYS_SHOW_SB is specified. + GtkPolicyType horzPolicy = HasFlag(wxHSCROLL) + ? HasFlag(wxALWAYS_SHOW_SB) + ? GTK_POLICY_ALWAYS + : GTK_POLICY_AUTOMATIC + : GTK_POLICY_NEVER; + GtkPolicyType vertPolicy = HasFlag(wxVSCROLL) + ? HasFlag(wxALWAYS_SHOW_SB) + ? GTK_POLICY_ALWAYS + : GTK_POLICY_AUTOMATIC + : GTK_POLICY_NEVER; + gtk_scrolled_window_set_policy( scrolledWindow, horzPolicy, vertPolicy ); m_scrollBar[ScrollDir_Horz] = GTK_RANGE(gtk_scrolled_window_get_hscrollbar(scrolledWindow)); m_scrollBar[ScrollDir_Vert] = GTK_RANGE(gtk_scrolled_window_get_vscrollbar(scrolledWindow)); @@ -2359,6 +2395,12 @@ bool wxWindowGTK::Create( wxWindow *parent, return true; } +void wxWindowGTK::GTKDisconnect(void* instance) +{ + g_signal_handlers_disconnect_matched(instance, + GSignalMatchType(G_SIGNAL_MATCH_DATA), 0, 0, NULL, NULL, this); +} + wxWindowGTK::~wxWindowGTK() { SendDestroyEvent(); @@ -2371,29 +2413,35 @@ wxWindowGTK::~wxWindowGTK() if ( gs_deferredFocusOut == this ) gs_deferredFocusOut = NULL; - m_hasVMT = false; - - // destroy children before destroying this window itself - DestroyChildren(); + // Unlike the above cases, which can happen in normal circumstances, a + // window shouldn't be destroyed while it still has capture, so even though + // we still reset the global pointer to avoid leaving it dangling and + // crashing afterwards, also complain about it. + if ( g_captureWindow == this ) + { + wxFAIL_MSG( wxS("Destroying window with mouse capture") ); + g_captureWindow = NULL; + } - // unhook focus handlers to prevent stray events being - // propagated to this (soon to be) dead object - if (m_focusWidget != NULL) + if (m_wxwindow) { - g_signal_handlers_disconnect_by_func (m_focusWidget, - (gpointer) gtk_window_focus_in_callback, - this); - g_signal_handlers_disconnect_by_func (m_focusWidget, - (gpointer) gtk_window_focus_out_callback, - this); + GTKDisconnect(m_wxwindow); + GtkWidget* parent = gtk_widget_get_parent(m_wxwindow); + if (parent) + GTKDisconnect(parent); } + if (m_widget && m_widget != m_wxwindow) + GTKDisconnect(m_widget); - if (m_widget) - Show( false ); + // destroy children before destroying this window itself + DestroyChildren(); // delete before the widgets to avoid a crash on solaris - delete m_imData; - m_imData = NULL; + if ( m_imContext ) + { + g_object_unref(m_imContext); + m_imContext = NULL; + } // avoid problem with GTK+ 2.18 where a frozen window causes the whole // TLW to be frozen, and if the window is then destroyed, nothing ever @@ -2401,6 +2449,11 @@ wxWindowGTK::~wxWindowGTK() while (IsFrozen()) Thaw(); +#ifdef __WXGTK3__ + if (m_styleProvider) + g_object_unref(m_styleProvider); +#endif + if (m_widget) { // Note that gtk_widget_destroy() does not destroy the widget, it just @@ -2473,12 +2526,12 @@ void wxWindowGTK::PostCreation() } // Create input method handler - m_imData = new wxGtkIMData; + m_imContext = gtk_im_multicontext_new(); // Cannot handle drawing preedited text yet - gtk_im_context_set_use_preedit( m_imData->context, FALSE ); + gtk_im_context_set_use_preedit( m_imContext, FALSE ); - g_signal_connect (m_imData->context, "commit", + g_signal_connect (m_imContext, "commit", G_CALLBACK (gtk_wxwindow_commit_cb), this); } @@ -2562,9 +2615,10 @@ void wxWindowGTK::PostCreation() if (!WX_IS_PIZZA(gtk_widget_get_parent(m_widget)) && !GTK_IS_WINDOW(m_widget)) gtk_widget_set_size_request(m_widget, m_width, m_height); - InheritAttributes(); + // apply any font or color changes made before creation + GTKApplyWidgetStyle(); - m_hasVMT = true; + InheritAttributes(); SetLayoutDirection(wxLayout_Default); @@ -2595,12 +2649,21 @@ void wxWindowGTK::ConnectWidget( GtkWidget *widget ) g_signal_connect (widget, "scroll_event", G_CALLBACK (window_scroll_event), this); - if (m_scrollBar[ScrollDir_Horz]) - g_signal_connect (m_scrollBar[ScrollDir_Horz], "scroll_event", - G_CALLBACK (window_scroll_event_hscrollbar), this); - if (m_scrollBar[ScrollDir_Vert]) - g_signal_connect (m_scrollBar[ScrollDir_Vert], "scroll_event", - G_CALLBACK (window_scroll_event), this); + for (int i = 0; i < 2; i++) + { + GtkRange* range = m_scrollBar[i]; + if (range) + { +#if GTK_CHECK_VERSION(3,4,0) + GCallback cb = GCallback(i == ScrollDir_Horz + ? hscrollbar_scroll_event + : vscrollbar_scroll_event); +#else + GCallback cb = GCallback(window_scroll_event); +#endif + g_signal_connect(range, "scroll_event", cb, this); + } + } g_signal_connect (widget, "popup_menu", G_CALLBACK (wxgtk_window_popup_menu_callback), this); @@ -2610,13 +2673,6 @@ void wxWindowGTK::ConnectWidget( GtkWidget *widget ) G_CALLBACK (gtk_window_leave_callback), this); } -bool wxWindowGTK::Destroy() -{ - m_hasVMT = false; - - return wxWindowBase::Destroy(); -} - static GSList* gs_queueResizeList; extern "C" { @@ -2714,6 +2770,10 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags height = m_height; const bool sizeChange = m_width != width || m_height != height; + + if (sizeChange) + m_useCachedClientSize = false; + if (sizeChange || m_x != x || m_y != y) { m_x = x; @@ -2743,7 +2803,7 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags { // update these variables to keep size_allocate handler // from sending another size event for this change - GetClientSize( &m_oldClientWidth, &m_oldClientHeight ); + DoGetClientSize(&m_clientWidth, &m_clientHeight); wxSizeEvent event( wxSize(m_width,m_height), GetId() ); event.SetEventObject( this ); @@ -2808,6 +2868,13 @@ void wxWindowGTK::DoGetClientSize( int *width, int *height ) const { wxCHECK_RET( (m_widget != NULL), wxT("invalid window") ); + if (m_useCachedClientSize) + { + if (width) *width = m_clientWidth; + if (height) *height = m_clientHeight; + return; + } + int w = m_width; int h = m_height; @@ -2820,8 +2887,16 @@ void wxWindowGTK::DoGetClientSize( int *width, int *height ) const gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(m_widget), &policy[ScrollDir_Horz], &policy[ScrollDir_Vert]); - const int scrollbar_spacing = + + // get scrollbar spacing the same way the GTK-private function + // _gtk_scrolled_window_get_scrollbar_spacing() does it + int scrollbar_spacing = GTK_SCROLLED_WINDOW_GET_CLASS(m_widget)->scrollbar_spacing; + if (scrollbar_spacing < 0) + { + gtk_widget_style_get( + m_widget, "scrollbar-spacing", &scrollbar_spacing, NULL); + } for ( int i = 0; i < ScrollDir_Max; i++ ) { @@ -3101,52 +3176,18 @@ void wxWindowGTK::DoGetTextExtent( const wxString& string, int *externalLeading, const wxFont *theFont ) const { - wxFont fontToUse = theFont ? *theFont : GetFont(); + // ensure we work with a valid font + wxFont fontToUse; + if ( !theFont || !theFont->IsOk() ) + fontToUse = GetFont(); + else + fontToUse = *theFont; wxCHECK_RET( fontToUse.IsOk(), wxT("invalid font") ); - if (string.empty()) - { - if (x) (*x) = 0; - if (y) (*y) = 0; - return; - } - - PangoContext *context = NULL; - if (m_widget) - context = gtk_widget_get_pango_context( m_widget ); - - if (!context) - { - if (x) (*x) = 0; - if (y) (*y) = 0; - return; - } - - PangoFontDescription *desc = fontToUse.GetNativeFontInfo()->description; - PangoLayout *layout = pango_layout_new(context); - pango_layout_set_font_description(layout, desc); - { - const wxCharBuffer data = wxGTK_CONV( string ); - if ( data ) - pango_layout_set_text(layout, data, strlen(data)); - } - - PangoRectangle rect; - pango_layout_get_extents(layout, NULL, &rect); - - if (x) (*x) = (wxCoord) PANGO_PIXELS(rect.width); - if (y) (*y) = (wxCoord) PANGO_PIXELS(rect.height); - if (descent) - { - PangoLayoutIter *iter = pango_layout_get_iter(layout); - int baseline = pango_layout_iter_get_baseline(iter); - pango_layout_iter_free(iter); - *descent = *y - PANGO_PIXELS(baseline); - } - if (externalLeading) (*externalLeading) = 0; // ?? - - g_object_unref (layout); + const wxWindow* win = static_cast(this); + wxTextMeasure txm(win, &fontToUse); + txm.GetTextExtent(string, x, y, descent, externalLeading); } void wxWindowGTK::GTKDisableFocusOutEvent() @@ -3197,8 +3238,8 @@ bool wxWindowGTK::GTKHandleFocusIn() "handling focus_in event for %s(%p, %s)", GetClassInfo()->GetClassName(), this, GetLabel()); - if (m_imData) - gtk_im_context_focus_in(m_imData->context); + if (m_imContext) + gtk_im_context_focus_in(m_imContext); gs_currentFocus = this; gs_pendingFocus = NULL; @@ -3260,8 +3301,8 @@ void wxWindowGTK::GTKHandleFocusOutNoDeferring() "handling focus_out event for %s(%p, %s)", GetClassInfo()->GetClassName(), this, GetLabel()); - if (m_imData) - gtk_im_context_focus_out(m_imData->context); + if (m_imContext) + gtk_im_context_focus_out(m_imContext); if ( gs_currentFocus != this ) { @@ -3353,6 +3394,8 @@ void wxWindowGTK::SetFocus() void wxWindowGTK::SetCanFocus(bool canFocus) { + wxCHECK_RET(m_widget, "invalid window"); + gtk_widget_set_can_focus(m_widget, canFocus); if ( m_wxwindow && (m_widget != m_wxwindow) ) @@ -4015,46 +4058,46 @@ void wxWindowGTK::GTKApplyToolTip(const char* tip) bool wxWindowGTK::SetBackgroundColour( const wxColour &colour ) { - wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") ); - if (!wxWindowBase::SetBackgroundColour(colour)) return false; -#ifndef __WXGTK3__ - if (colour.IsOk()) + if (m_widget) { - // We need the pixel value e.g. for background clearing. - m_backgroundColour.CalcPixel(gtk_widget_get_colormap(m_widget)); - } +#ifndef __WXGTK3__ + if (colour.IsOk()) + { + // We need the pixel value e.g. for background clearing. + m_backgroundColour.CalcPixel(gtk_widget_get_colormap(m_widget)); + } #endif - // apply style change (forceStyle=true so that new style is applied - // even if the bg colour changed from valid to wxNullColour) - GTKApplyWidgetStyle(true); + // apply style change (forceStyle=true so that new style is applied + // even if the bg colour changed from valid to wxNullColour) + GTKApplyWidgetStyle(true); + } return true; } bool wxWindowGTK::SetForegroundColour( const wxColour &colour ) { - wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") ); - if (!wxWindowBase::SetForegroundColour(colour)) - { return false; - } -#ifndef __WXGTK3__ - if (colour.IsOk()) + if (m_widget) { - // We need the pixel value e.g. for background clearing. - m_foregroundColour.CalcPixel(gtk_widget_get_colormap(m_widget)); - } +#ifndef __WXGTK3__ + if (colour.IsOk()) + { + // We need the pixel value e.g. for background clearing. + m_foregroundColour.CalcPixel(gtk_widget_get_colormap(m_widget)); + } #endif - // apply style change (forceStyle=true so that new style is applied - // even if the bg colour changed from valid to wxNullColour): - GTKApplyWidgetStyle(true); + // apply style change (forceStyle=true so that new style is applied + // even if the bg colour changed from valid to wxNullColour): + GTKApplyWidgetStyle(true); + } return true; } @@ -4065,16 +4108,8 @@ PangoContext *wxWindowGTK::GTKGetPangoDefaultContext() } #ifndef __WXGTK3__ -GtkRcStyle *wxWindowGTK::GTKCreateWidgetStyle(bool forceStyle) +GtkRcStyle* wxWindowGTK::GTKCreateWidgetStyle() { - // do we need to apply any changes at all? - if ( !forceStyle && - !m_font.IsOk() && - !m_foregroundColour.IsOk() && !m_backgroundColour.IsOk() ) - { - return NULL; - } - GtkRcStyle *style = gtk_rc_style_new(); if ( m_font.IsOk() ) @@ -4135,18 +4170,35 @@ GtkRcStyle *wxWindowGTK::GTKCreateWidgetStyle(bool forceStyle) } #endif // !__WXGTK3__ -void wxWindowGTK::GTKApplyWidgetStyle(bool WXUNUSED_IN_GTK3(forceStyle)) +void wxWindowGTK::GTKApplyWidgetStyle(bool forceStyle) { + if (forceStyle || m_font.IsOk() || + m_foregroundColour.IsOk() || m_backgroundColour.IsOk()) + { #ifdef __WXGTK3__ - DoApplyWidgetStyle(NULL); + if (m_backgroundColour.IsOk()) + { + // create a GtkStyleProvider to override "background-image" + if (m_styleProvider == NULL) + m_styleProvider = GTK_STYLE_PROVIDER(gtk_css_provider_new()); + const char css[] = + "*{background-image:-gtk-gradient(linear,0 0,0 1," + "from(rgba(%u,%u,%u,%g)),to(rgba(%u,%u,%u,%g)))}"; + char buf[sizeof(css) + 20]; + const unsigned r = m_backgroundColour.Red(); + const unsigned g = m_backgroundColour.Green(); + const unsigned b = m_backgroundColour.Blue(); + const double a = m_backgroundColour.Alpha() / 255.0; + g_snprintf(buf, sizeof(buf), css, r, g, b, a, r, g, b, a); + gtk_css_provider_load_from_data(GTK_CSS_PROVIDER(m_styleProvider), buf, -1, NULL); + } + DoApplyWidgetStyle(NULL); #else - GtkRcStyle *style = GTKCreateWidgetStyle(forceStyle); - if ( style ) - { + GtkRcStyle* style = GTKCreateWidgetStyle(); DoApplyWidgetStyle(style); g_object_unref(style); - } #endif + } // Style change may affect GTK+'s size calculation: InvalidateBestSize(); @@ -4184,6 +4236,25 @@ void wxWindowGTK::GTKApplyStyle(GtkWidget* widget, GtkRcStyle* WXUNUSED_IN_GTK3( gtk_widget_override_font(widget, pfd); gtk_widget_override_color(widget, GTK_STATE_FLAG_NORMAL, m_foregroundColour); gtk_widget_override_background_color(widget, GTK_STATE_FLAG_NORMAL, m_backgroundColour); + + // setting background color has no effect with some themes when the widget style + // has a "background-image" property, so we need to override that as well + + GtkStyleContext* context = gtk_widget_get_style_context(widget); + if (m_styleProvider) + gtk_style_context_remove_provider(context, m_styleProvider); + cairo_pattern_t* pattern = NULL; + if (m_backgroundColour.IsOk()) + { + gtk_style_context_get(context, + GTK_STATE_FLAG_NORMAL, "background-image", &pattern, NULL); + } + if (pattern) + { + cairo_pattern_destroy(pattern); + gtk_style_context_add_provider(context, + m_styleProvider, GTK_STYLE_PROVIDER_PRIORITY_APPLICATION); + } #else gtk_widget_modify_style(widget, style); #endif @@ -4196,40 +4267,10 @@ bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style) #ifndef __WXGTK3__ GdkWindow *window; - if ( m_wxwindow ) - { - window = GTKGetDrawingWindow(); - } - else + if ((style == wxBG_STYLE_PAINT || style == wxBG_STYLE_TRANSPARENT) && + (window = GTKGetDrawingWindow())) { - GtkWidget * const w = GetConnectWidget(); - window = w ? gtk_widget_get_window(w) : NULL; - } - - bool wantNoBackPixmap = style == wxBG_STYLE_PAINT || style == wxBG_STYLE_TRANSPARENT; - - if ( wantNoBackPixmap ) - { - if (window) - { - // Make sure GDK/X11 doesn't refresh the window - // automatically. - gdk_window_set_back_pixmap( window, NULL, FALSE ); - m_needsStyleChange = false; - } - else // window not realized yet - { - // Do when window is realized - m_needsStyleChange = true; - } - - // Don't apply widget style, or we get a grey background - } - else - { - // apply style change (forceStyle=true so that new style is applied - // even if the bg colour changed from valid to wxNullColour): - GTKApplyWidgetStyle(true); + gdk_window_set_back_pixmap(window, NULL, false); } #endif // !__WXGTK3__ @@ -4296,7 +4337,11 @@ void wxPopupMenuPositionCallback( GtkMenu *menu, { // ensure that the menu appears entirely on screen GtkRequisition req; +#ifdef __WXGTK3__ + gtk_widget_get_preferred_size(GTK_WIDGET(menu), &req, NULL); +#else gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req); +#endif wxSize sizeScreen = wxGetDisplaySize(); wxPoint *pos = (wxPoint*)user_data; @@ -4342,6 +4387,13 @@ bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y ) gtk_get_current_event_time() ); + // it is possible for gtk_menu_popup() to fail + if (!gtk_widget_get_visible(GTK_WIDGET(menu->m_menu))) + { + menu->m_popupShown = false; + return false; + } + while (menu->m_popupShown) { gtk_main_iteration(); @@ -4394,14 +4446,15 @@ GdkWindow *wxWindowGTK::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const bool wxWindowGTK::SetFont( const wxFont &font ) { - wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") ); - if (!wxWindowBase::SetFont(font)) return false; - // apply style change (forceStyle=true so that new style is applied - // even if the font changed from valid to wxNullFont): - GTKApplyWidgetStyle(true); + if (m_widget) + { + // apply style change (forceStyle=true so that new style is applied + // even if the font changed from valid to wxNullFont): + GTKApplyWidgetStyle(true); + } return true; } @@ -4422,15 +4475,25 @@ void wxWindowGTK::DoCaptureMouse() if (!cursor->IsOk()) cursor = wxSTANDARD_CURSOR; + const GdkEventMask mask = GdkEventMask( + GDK_BUTTON_PRESS_MASK | + GDK_BUTTON_RELEASE_MASK | + GDK_POINTER_MOTION_HINT_MASK | + GDK_POINTER_MOTION_MASK); +#ifdef __WXGTK3__ + GdkDisplay* display = gdk_window_get_display(window); + GdkDeviceManager* manager = gdk_display_get_device_manager(display); + GdkDevice* device = gdk_device_manager_get_client_pointer(manager); + gdk_device_grab( + device, window, GDK_OWNERSHIP_NONE, false, mask, + cursor->GetCursor(), unsigned(GDK_CURRENT_TIME)); +#else gdk_pointer_grab( window, FALSE, - (GdkEventMask) - (GDK_BUTTON_PRESS_MASK | - GDK_BUTTON_RELEASE_MASK | - GDK_POINTER_MOTION_HINT_MASK | - GDK_POINTER_MOTION_MASK), + mask, NULL, cursor->GetCursor(), (guint32)GDK_CURRENT_TIME ); +#endif g_captureWindow = this; g_captureWindowHasMouse = true; } @@ -4452,7 +4515,14 @@ void wxWindowGTK::DoReleaseMouse() if (!window) return; +#ifdef __WXGTK3__ + GdkDisplay* display = gdk_window_get_display(window); + GdkDeviceManager* manager = gdk_display_get_device_manager(display); + GdkDevice* device = gdk_device_manager_get_client_pointer(manager); + gdk_device_ungrab(device, unsigned(GDK_CURRENT_TIME)); +#else gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME ); +#endif } void wxWindowGTK::GTKReleaseMouseAndNotify() @@ -4553,7 +4623,9 @@ int wxWindowGTK::GetScrollRange( int orient ) const // difference due to possible inexactness in floating point arithmetic static inline bool IsScrollIncrement(double increment, double x) { - wxASSERT(increment > 0); + wxASSERT(increment >= 0); + if ( increment == 0. ) + return false; const double tolerance = 1.0 / 1024; return fabs(increment - fabs(x)) < tolerance; } @@ -4571,7 +4643,7 @@ wxEventType wxWindowGTK::GTKGetScrollEventType(GtkRange* range) // update current position m_scrollPos[barIndex] = value; // If event should be ignored, or integral position has not changed - if (!m_hasVMT || g_blockEventsOnDrag || wxRound(value) == wxRound(oldPos)) + if (g_blockEventsOnDrag || wxRound(value) == wxRound(oldPos)) { return wxEVT_NULL; } @@ -4675,12 +4747,23 @@ wxWindow* wxFindWindowAtPointer(wxPoint& pt) } // Get the current mouse position. +void wxGetMousePosition(int* x, int* y) +{ + GdkDisplay* display = GetDisplay(); +#ifdef __WXGTK3__ + GdkDeviceManager* manager = gdk_display_get_device_manager(display); + GdkDevice* device = gdk_device_manager_get_client_pointer(manager); + gdk_device_get_position(device, NULL, x, y); +#else + gdk_display_get_pointer(display, NULL, x, y, NULL); +#endif +} + wxPoint wxGetMousePosition() { - int x, y; - GdkModifierType unused; - GetMouseState(x, y, unused); - return wxPoint(x, y); + wxPoint pt; + wxGetMousePosition(&pt.x, &pt.y); + return pt; } GdkWindow* wxWindowGTK::GTKGetDrawingWindow() const