X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/556151f5ff1bd2fa44de2237a3ad03694c2e3883..cc1487e53905bd534dba2099d33ac2142cec7818:/src/gtk/window.cpp diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp index 5ebf62893d..5a57e60889 100644 --- a/src/gtk/window.cpp +++ b/src/gtk/window.cpp @@ -27,15 +27,15 @@ #include "wx/dialog.h" #include "wx/settings.h" #include "wx/msgdlg.h" + #include "wx/textctrl.h" + #include "wx/toolbar.h" + #include "wx/combobox.h" + #include "wx/layout.h" + #include "wx/statusbr.h" + #include "wx/math.h" #endif -#include "wx/layout.h" #include "wx/module.h" -#include "wx/combobox.h" - -#if wxUSE_TOOLBAR_NATIVE - #include "wx/toolbar.h" -#endif #if wxUSE_DRAG_AND_DROP #include "wx/dnd.h" @@ -49,18 +49,12 @@ #include "wx/caret.h" #endif // wxUSE_CARET -#if wxUSE_TEXTCTRL - #include "wx/textctrl.h" -#endif - -#include "wx/statusbr.h" #include "wx/fontutil.h" #ifdef __WXDEBUG__ #include "wx/thread.h" #endif -#include "wx/math.h" #include // FIXME: Due to a hack we use GtkCombo in here, which is deprecated since gtk2.3.0 @@ -128,7 +122,7 @@ extern GtkContainerClass *pizza_parent_class; 6) Display a border (sunken, raised, simple or none). Normally one might expect, that one wxWidgets window would always correspond - to one GTK widget. Under GTK, there is no such allround widget that has all + to one GTK widget. Under GTK, there is no such all-round widget that has all the functionality. Moreover, the GTK defines a client area as a different widget from the actual widget you are handling. Last but not least some special classes (e.g. wxFrame) handle different categories of widgets and @@ -173,14 +167,14 @@ extern GtkContainerClass *pizza_parent_class; clicking on a scrollbar belonging to scrolled window will inevitably move the window. In wxWidgets, the scrollbar will only emit an event, send this to (normally) a wxScrolledWindow and that class will call ScrollWindow() - which actually moves the window and its subchildren. Note that GtkPizza + which actually moves the window and its sub-windows. Note that GtkPizza memorizes how much it has been scrolled but that wxWidgets forgets this so that the two coordinates systems have to be kept in synch. This is done in various places using the pizza->xoffset and pizza->yoffset values. III) - Singularily the most broken code in GTK is the code that is supposed to + Singularly the most broken code in GTK is the code that is supposed to inform subwindows (child windows) about new positions. Very often, duplicate events are sent without changes in size or position, equally often no events are sent at all (All this is due to a bug in the GtkContainer code @@ -537,6 +531,18 @@ gtk_window_expose_callback( GtkWidget *widget, // "key_press_event" from any window //----------------------------------------------------------------------------- +// These are used when transforming Ctrl-alpha to ascii values 1-26 +inline bool wxIsLowerChar(int code) +{ + return (code >= 'a' && code <= 'z' ); +} + +inline bool wxIsUpperChar(int code) +{ + return (code >= 'A' && code <= 'Z' ); +} + + // set WXTRACE to this to see the key event codes on the console #define TRACE_KEYS _T("keyevent") @@ -1088,9 +1094,13 @@ gtk_window_key_press_callback( GtkWidget *widget, // To conform to the docs we need to translate Ctrl-alpha // characters to values in the range 1-26. - if (event.ControlDown() && key_code >= 'a' && key_code <= 'z' ) + if ( event.ControlDown() && + ( wxIsLowerChar(key_code) || wxIsUpperChar(key_code) )) { - event.m_keyCode = key_code - 'a' + 1; + if ( wxIsLowerChar(key_code) ) + event.m_keyCode = key_code - 'a' + 1; + if ( wxIsUpperChar(key_code) ) + event.m_keyCode = key_code - 'A' + 1; #if wxUSE_UNICODE event.m_uniChar = event.m_keyCode; #endif @@ -1148,7 +1158,7 @@ gtk_window_key_press_callback( GtkWidget *widget, { // however only do it if we have a Cancel button in the dialog, // otherwise the user code may get confused by the events from a - // non-existing button and, worse, a wxButton might get button event + // nonexistent button and, worse, a wxButton might get button event // from another button which is not really expected wxWindow *winForCancel = win, *btnCancel = NULL; @@ -1229,8 +1239,14 @@ gtk_wxwindow_commit_cb (GtkIMContext *context, // To conform to the docs we need to translate Ctrl-alpha // characters to values in the range 1-26. - if (event.ControlDown() && *pstr >= 'a' && *pstr <= 'z' ) + if ( event.ControlDown() && + ( wxIsLowerChar(*pstr) || wxIsUpperChar(*pstr) )) { + if ( wxIsLowerChar(*pstr) ) + event.m_keyCode = *pstr - 'a' + 1; + if ( wxIsUpperChar(*pstr) ) + event.m_keyCode = *pstr - 'A' + 1; + event.m_keyCode = *pstr - 'a' + 1; #if wxUSE_UNICODE event.m_uniChar = event.m_keyCode; @@ -1660,7 +1676,7 @@ gtk_window_button_release_callback( GtkWidget *widget, break; default: - // unknwon button, don't process + // unknown button, don't process return FALSE; } @@ -1732,7 +1748,7 @@ gtk_window_motion_notify_callback( GtkWidget *widget, if ( g_captureWindow ) { - // synthetize a mouse enter or leave event if needed + // synthesise a mouse enter or leave event if needed GdkWindow *winUnderMouse = gdk_window_at_pointer(NULL, NULL); // This seems to be necessary and actually been added to // GDK itself in version 2.0.X @@ -2107,9 +2123,12 @@ gtk_scrollbar_value_changed(GtkRange* range, wxWindow* win) // Convert scroll event type to scrollwin event type eventType += wxEVT_SCROLLWIN_TOP - wxEVT_SCROLL_TOP; const int orient = range == win->m_scrollBar[0] ? wxHORIZONTAL : wxVERTICAL; + const int i = orient == wxVERTICAL; wxScrollWinEvent event(eventType, win->GetScrollPos(orient), orient); event.SetEventObject(win); + win->m_blockValueChanged[i] = true; win->GetEventHandler()->ProcessEvent(event); + win->m_blockValueChanged[i] = false; } } } @@ -2134,6 +2153,26 @@ gtk_scrollbar_button_press_event(GtkRange*, GdkEventButton*, wxWindow* win) } } +//----------------------------------------------------------------------------- +// "event_after" from scrollbar +//----------------------------------------------------------------------------- + +extern "C" { +static void +gtk_scrollbar_event_after(GtkRange* range, GdkEvent* event, wxWindow* win) +{ + if (event->type == GDK_BUTTON_RELEASE) + { + g_signal_handlers_block_by_func(range, (void*)gtk_scrollbar_event_after, win); + + const int orient = range == win->m_scrollBar[0] ? wxHORIZONTAL : wxVERTICAL; + wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBRELEASE, win->GetScrollPos(orient), orient); + event.SetEventObject(win); + win->GetEventHandler()->ProcessEvent(event); + } +} +} + //----------------------------------------------------------------------------- // "button_release_event" from scrollbar //----------------------------------------------------------------------------- @@ -2150,10 +2189,10 @@ gtk_scrollbar_button_release_event(GtkRange* range, GdkEventButton*, wxWindow* w if (win->m_isScrolling) { win->m_isScrolling = false; - const int orient = range == win->m_scrollBar[0] ? wxHORIZONTAL : wxVERTICAL; - wxScrollWinEvent event(wxEVT_SCROLLWIN_THUMBRELEASE, win->GetScrollPos(orient), orient); - event.SetEventObject(win); - win->GetEventHandler()->ProcessEvent(event); + // Hook up handler to send thumb release event after this emission is finished. + // To allow setting scroll position from event handler, sending event must + // be deferred until after the GtkRange handler for this signal has run + g_signal_handlers_unblock_by_func(range, (void*)gtk_scrollbar_event_after, win); } return false; @@ -2462,6 +2501,8 @@ void wxWindowGTK::Init() m_scrollBar[1] = NULL; m_scrollPos[0] = m_scrollPos[1] = 0; + m_blockValueChanged[0] = + m_blockValueChanged[1] = false; m_oldClientWidth = m_oldClientHeight = 0; @@ -2568,6 +2609,13 @@ bool wxWindowGTK::Create( wxWindow *parent, G_CALLBACK(gtk_scrollbar_button_release_event), this); g_signal_connect(m_scrollBar[1], "button_release_event", G_CALLBACK(gtk_scrollbar_button_release_event), this); + gulong handler_id; + handler_id = g_signal_connect( + m_scrollBar[0], "event_after", G_CALLBACK(gtk_scrollbar_event_after), this); + g_signal_handler_block(m_scrollBar[0], handler_id); + handler_id = g_signal_connect( + m_scrollBar[1], "event_after", G_CALLBACK(gtk_scrollbar_event_after), this); + g_signal_handler_block(m_scrollBar[1], handler_id); // these handlers get notified when scrollbar slider moves @@ -2988,13 +3036,11 @@ void wxWindowGTK::OnInternalIdle() gdk_window_set_cursor( window, cursor.GetCursor() ); } - else + else if ( m_widget ) { - GdkWindow *window = m_widget->window; - if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget))) + if ( window && !GTK_WIDGET_NO_WINDOW(m_widget) ) gdk_window_set_cursor( window, cursor.GetCursor() ); - } } @@ -3670,6 +3716,8 @@ void wxWindowGTK::GtkUpdate() { if (m_wxwindow && GTK_PIZZA(m_wxwindow)->bin_window) gdk_window_process_updates( GTK_PIZZA(m_wxwindow)->bin_window, FALSE ); + if (m_widget && m_widget->window) + gdk_window_process_updates( m_widget->window, FALSE ); // for consistency with other platforms (and also because it's convenient // to be able to update an entire TLW by calling Update() only once), we @@ -3849,7 +3897,7 @@ GtkRcStyle *wxWindowGTK::CreateWidgetStyle(bool forceStyle) if ( m_foregroundColour.Ok() ) { - GdkColor *fg = m_foregroundColour.GetColor(); + const GdkColor *fg = m_foregroundColour.GetColor(); style->fg[GTK_STATE_NORMAL] = *fg; style->color_flags[GTK_STATE_NORMAL] = GTK_RC_FG; @@ -3863,7 +3911,7 @@ GtkRcStyle *wxWindowGTK::CreateWidgetStyle(bool forceStyle) if ( m_backgroundColour.Ok() ) { - GdkColor *bg = m_backgroundColour.GetColor(); + const GdkColor *bg = m_backgroundColour.GetColor(); style->bg[GTK_STATE_NORMAL] = *bg; style->base[GTK_STATE_NORMAL] = *bg; @@ -4085,18 +4133,18 @@ void wxWindowGTK::SetScrollbar( int orient, int pos, int thumbVisible, thumbVisible = 1; } + if (pos > range - thumbVisible) + pos = range - thumbVisible; + if (pos < 0) + pos = 0; const int i = orient == wxVERTICAL; GtkAdjustment* adj = m_scrollBar[i]->adjustment; - adj->value = pos; adj->step_increment = 1; adj->page_increment = adj->page_size = thumbVisible; - - BlockScrollEvent(); - // automatically clamps value to [0,range-page_size], and emits change events - gtk_range_set_range(m_scrollBar[i], 0, range); - UnblockScrollEvent(); - m_scrollPos[i] = adj->value; + adj->upper = range; + SetScrollPos(orient, pos); + gtk_adjustment_changed(adj); } void wxWindowGTK::SetScrollPos( int orient, int pos, bool WXUNUSED(refresh) ) @@ -4109,10 +4157,19 @@ void wxWindowGTK::SetScrollPos( int orient, int pos, bool WXUNUSED(refresh) ) if (GetScrollPos(orient) != pos) { const int i = orient == wxVERTICAL; - BlockScrollEvent(); - gtk_range_set_value(m_scrollBar[i], pos); - UnblockScrollEvent(); - m_scrollPos[i] = m_scrollBar[i]->adjustment->value; + GtkAdjustment* adj = m_scrollBar[i]->adjustment; + const int max = int(adj->upper - adj->page_size); + if (pos > max) + pos = max; + if (pos < 0) + pos = 0; + m_scrollPos[i] = + adj->value = pos; + // If a "value_changed" signal emission is not already in progress + if (!m_blockValueChanged[i]) + { + gtk_adjustment_value_changed(adj); + } } } @@ -4169,7 +4226,7 @@ wxEventType wxWindowGTK::GetScrollEventType(GtkRange* range) // update current position m_scrollPos[barIndex] = adj->value; // If event should be ignored, or integral position has not changed - if (!m_hasVMT || g_blockEventsOnDrag || m_blockScrollEvent || value == int(oldPos + 0.5)) + if (!m_hasVMT || g_blockEventsOnDrag || value == int(oldPos + 0.5)) { return wxEVT_NULL; }