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af2309c0fb59458b70a9645b140fbd1d7a4b801c
wxWidgets/src/x11/window.cpp
Julian Smart af2309c0fb Commented out XSetInputFocus for now 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14198 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-02-14 11:37:19 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: windows.cpp
// Purpose: wxWindow
// Author: Julian Smart
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "window.h"
#endif
#include "wx/setup.h"
#include "wx/menu.h"
#include "wx/dc.h"
#include "wx/dcclient.h"
#include "wx/utils.h"
#include "wx/app.h"
#include "wx/panel.h"
#include "wx/layout.h"
#include "wx/dialog.h"
#include "wx/listbox.h"
#include "wx/button.h"
#include "wx/settings.h"
#include "wx/msgdlg.h"
#include "wx/frame.h"
#include "wx/scrolwin.h"
#include "wx/module.h"
#include "wx/menuitem.h"
#include "wx/log.h"
#if wxUSE_DRAG_AND_DROP
#include "wx/dnd.h"
#endif
#include "wx/x11/private.h"
#include "X11/Xutil.h"
#include <string.h>
// ----------------------------------------------------------------------------
// global variables for this module
// ----------------------------------------------------------------------------
extern wxHashTable *wxWidgetHashTable;
static wxWindow* g_captureWindow = NULL;
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
#define event_left_is_down(x) ((x)->xbutton.state & Button1Mask)
#define event_middle_is_down(x) ((x)->xbutton.state & Button2Mask)
#define event_right_is_down(x) ((x)->xbutton.state & Button3Mask)
// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxWindowX11, wxWindowBase)
BEGIN_EVENT_TABLE(wxWindowX11, wxWindowBase)
EVT_SYS_COLOUR_CHANGED(wxWindowX11::OnSysColourChanged)
END_EVENT_TABLE()
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// helper functions
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// constructors
// ----------------------------------------------------------------------------
void wxWindowX11::Init()
{
// generic initializations first
InitBase();
// X11-specific
m_mainWidget = (WXWindow) 0;
m_winCaptured = FALSE;
m_isShown = TRUE;
m_isBeingDeleted = FALSE;
m_lastTS = 0;
m_lastButton = 0;
}
// real construction (Init() must have been called before!)
bool wxWindowX11::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name)
{
wxCHECK_MSG( parent, FALSE, "can't create wxWindow without parent" );
CreateBase(parent, id, pos, size, style, wxDefaultValidator, name);
parent->AddChild(this);
int w = size.GetWidth();
int h = size.GetHeight();
int x = size.GetX();
int y = size.GetY();
if (w == -1) w = 20;
if (h == -1) h = 20;
if (x == -1) x = 0;
if (y == -1) y = 0;
Display *xdisplay = (Display*) wxGlobalDisplay();
int xscreen = DefaultScreen( xdisplay );
Colormap cm = DefaultColormap( xdisplay, xscreen );
m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
m_backgroundColour.CalcPixel( (WXColormap) cm );
m_hasBgCol = TRUE;
m_foregroundColour = *wxBLACK;
m_foregroundColour.CalcPixel( (WXColormap) cm );
Window parentWindow = (Window) parent->GetMainWindow();
Window window = XCreateSimpleWindow(
xdisplay, parentWindow,
x, y, w, h, 0,
m_backgroundColour.GetPixel(),
m_backgroundColour.GetPixel() );
m_mainWidget = (WXWindow) window;
// Select event types wanted
XSelectInput(wxGlobalDisplay(), window,
ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask |
KeymapStateMask | FocusChangeMask | ColormapChangeMask | StructureNotifyMask |
PropertyChangeMask);
wxAddWindowToTable(window, (wxWindow*) this);
// Is a subwindow, so map immediately
m_isShown = TRUE;
XMapWindow(wxGlobalDisplay(), window);
// Without this, the cursor may not be restored properly (e.g. in splitter
// sample).
SetCursor(*wxSTANDARD_CURSOR);
SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
SetSize(pos.x, pos.y, size.x, size.y);
return TRUE;
}
// Destructor
wxWindowX11::~wxWindowX11()
{
if (g_captureWindow == this)
g_captureWindow = NULL;
m_isBeingDeleted = TRUE;
// X11-specific actions first
Window main = (Window) m_mainWidget;
if ( main )
{
// Removes event handlers
//DetachWidget(main);
}
if (m_parent)
m_parent->RemoveChild( this );
DestroyChildren();
// Destroy the window
if (main)
{
XSelectInput( wxGlobalDisplay(), main, NoEventMask);
wxDeleteWindowFromTable( main );
XDestroyWindow( wxGlobalDisplay(), main );
m_mainWidget = NULL;
}
}
// ---------------------------------------------------------------------------
// basic operations
// ---------------------------------------------------------------------------
void wxWindowX11::SetFocus()
{
Window wMain = (Window) GetMainWindow();
if (wMain)
{
// TODO: set a m_needInputFocus flag and do the
// the setting in OnIdle or Show, because we can't
// set the focus for an unmapped window.
// We need to figure out how to find out if the window
// is mapped.
#if 0
XSetInputFocus(wxGlobalDisplay(), wMain, RevertToParent, CurrentTime);
XWMHints wmhints;
wmhints.flags = InputHint;
wmhints.input = True;
XSetWMHints(wxGlobalDisplay(), wMain, &wmhints);
#endif
}
}
// Get the window with the focus
wxWindow *wxWindowBase::FindFocus()
{
Window wFocus = (Window) 0;
int revert = 0;
XGetInputFocus(wxGlobalDisplay(), & wFocus, & revert);
if (wFocus)
{
wxWindow *win = NULL;
do
{
win = wxGetWindowFromTable(wFocus);
wFocus = wxGetWindowParent(wFocus);
} while (wFocus && !win);
return win;
}
return NULL;
}
// Enabling/disabling handled by event loop, and not sending events
// if disabled.
bool wxWindowX11::Enable(bool enable)
{
if ( !wxWindowBase::Enable(enable) )
return FALSE;
return TRUE;
}
bool wxWindowX11::Show(bool show)
{
wxWindowBase::Show(show);
Window xwin = (Window) GetXWindow();
Display *xdisp = (Display*) GetXDisplay();
if (show)
{
wxString msg;
msg.Printf("Mapping window of type %s", GetClassInfo()->GetClassName());
wxLogDebug(msg);
XMapWindow(xdisp, xwin);
XSync(xdisp, False);
}
else
{
wxString msg;
msg.Printf("Unmapping window of type %s", GetClassInfo()->GetClassName());
wxLogDebug(msg);
XUnmapWindow(xdisp, xwin);
}
return TRUE;
}
// Raise the window to the top of the Z order
void wxWindowX11::Raise()
{
if (m_mainWidget)
XRaiseWindow( wxGlobalDisplay(), (Window) m_mainWidget );
}
// Lower the window to the bottom of the Z order
void wxWindowX11::Lower()
{
if (m_mainWidget)
XLowerWindow( wxGlobalDisplay(), (Window) m_mainWidget );
}
void wxWindowX11::DoCaptureMouse()
{
if ((g_captureWindow != NULL) && (g_captureWindow != this))
{
wxASSERT_MSG(FALSE, "Trying to capture before mouse released.");
// Core dump now
int *tmp = NULL;
(*tmp) = 1;
return;
}
if (m_winCaptured)
return;
Window xwindow = (Window) GetMainWindow();
g_captureWindow = (wxWindow*) this;
if (xwindow)
{
int res = XGrabPointer(wxGlobalDisplay(), xwindow,
FALSE,
ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
GrabModeAsync,
GrabModeAsync,
None,
None, /* cursor */ // TODO: This may need to be set to the cursor of this window
CurrentTime );
if (res != GrabSuccess)
{
wxString msg;
msg.Printf("Failed to grab pointer for window %s", this->GetClassInfo()->GetClassName());
wxLogDebug(msg);
if (res == GrabNotViewable)
{
wxLogDebug("This is not a viewable window - perhaps not shown yet?");
}
g_captureWindow = NULL;
return;
}
wxLogDebug("Grabbed pointer");
#if 0
res = XGrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
(Window) GetMainWindow(),
FALSE,
ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,
GrabModeAsync,
GrabModeAsync,
None,
None);
if (res != GrabSuccess)
{
wxLogDebug("Failed to grab mouse buttons.");
XUngrabPointer(wxGlobalDisplay(), CurrentTime);
return;
}
#endif
#if 0
res = XGrabKeyboard(wxGlobalDisplay(), (Window) GetMainWindow(),
ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask,
FALSE,
GrabModeAsync,
GrabModeAsync,
CurrentTime);
if (res != GrabSuccess)
{
wxLogDebug("Failed to grab keyboard.");
XUngrabPointer(wxGlobalDisplay(), CurrentTime);
XUngrabButton(wxGlobalDisplay(), AnyButton, AnyModifier,
(Window) GetMainWindow());
return;
}
#endif
m_winCaptured = TRUE;
}
}
void wxWindowX11::DoReleaseMouse()
{
g_captureWindow = NULL;
if ( !m_winCaptured )
return;
Window xwindow = (Window) GetMainWindow();
if (xwindow)
{
XUngrabPointer( wxGlobalDisplay(), CurrentTime );
#if 0
XUngrabButton( wxGlobalDisplay(), AnyButton, AnyModifier, xwindow);
XUngrabKeyboard( wxGlobalDisplay(), CurrentTime );
#endif
}
wxLogDebug("Ungrabbed pointer");
m_winCaptured = FALSE;
}
bool wxWindowX11::SetFont(const wxFont& font)
{
if ( !wxWindowBase::SetFont(font) )
{
// nothing to do
return FALSE;
}
return TRUE;
}
bool wxWindowX11::SetCursor(const wxCursor& cursor)
{
if ( !wxWindowBase::SetCursor(cursor) )
{
// no change
return FALSE;
}
wxCursor* cursor2 = NULL;
if (m_cursor.Ok())
cursor2 = & m_cursor;
else
cursor2 = wxSTANDARD_CURSOR;
WXCursor x_cursor = cursor2->GetCursor();
Window win = (Window) GetMainWindow();
XDefineCursor((Display*) wxGlobalDisplay(), win, (Cursor) x_cursor);
return TRUE;
}
// Coordinates relative to the window
void wxWindowX11::WarpPointer (int x, int y)
{
if (m_mainWidget)
XWarpPointer( wxGlobalDisplay(), None, (Window) m_mainWidget, 0, 0, 0, 0, x, y);
}
// Does a physical scroll
void wxWindowX11::ScrollWindow(int dx, int dy, const wxRect *rect)
{
#if 0
int x, y, w, h;
if (rect)
{
// Use specified rectangle
x = rect->x; y = rect->y; w = rect->width; h = rect->height;
}
else
{
// Use whole client area
x = 0; y = 0;
GetClientSize(& w, & h);
}
wxNode *cnode = m_children.First();
while (cnode)
{
wxWindow *child = (wxWindow*) cnode->Data();
int sx = 0;
int sy = 0;
child->GetSize( &sx, &sy );
wxPoint pos( child->GetPosition() );
child->SetSize( pos.x + dx, pos.y + dy, sx, sy, wxSIZE_ALLOW_MINUS_ONE );
cnode = cnode->Next();
}
int x1 = (dx >= 0) ? x : x - dx;
int y1 = (dy >= 0) ? y : y - dy;
int w1 = w - abs(dx);
int h1 = h - abs(dy);
int x2 = (dx >= 0) ? x + dx : x;
int y2 = (dy >= 0) ? y + dy : y;
wxClientDC dc((wxWindow*) this);
dc.SetLogicalFunction (wxCOPY);
Window window = (Window) GetMainWindow();
Display* display = wxGlobalDisplay();
XCopyArea(display, window, window, (GC) dc.GetGC(),
x1, y1, w1, h1, x2, y2);
dc.SetAutoSetting(TRUE);
wxBrush brush(GetBackgroundColour(), wxSOLID);
dc.SetBrush(brush); // FIXME: needed?
// We'll add rectangles to the list of update rectangles according to which
// bits we've exposed.
wxList updateRects;
if (dx > 0)
{
wxRect *rect = new wxRect;
rect->x = x;
rect->y = y;
rect->width = dx;
rect->height = h;
XFillRectangle(display, window,
(GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
rect->x = rect->x;
rect->y = rect->y;
rect->width = rect->width;
rect->height = rect->height;
updateRects.Append((wxObject*) rect);
}
else if (dx < 0)
{
wxRect *rect = new wxRect;
rect->x = x + w + dx;
rect->y = y;
rect->width = -dx;
rect->height = h;
XFillRectangle(display, window,
(GC) dc.GetGC(), rect->x, rect->y, rect->width,
rect->height);
rect->x = rect->x;
rect->y = rect->y;
rect->width = rect->width;
rect->height = rect->height;
updateRects.Append((wxObject*) rect);
}
if (dy > 0)
{
wxRect *rect = new wxRect;
rect->x = x;
rect->y = y;
rect->width = w;
rect->height = dy;
XFillRectangle(display, window,
(GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
rect->x = rect->x;
rect->y = rect->y;
rect->width = rect->width;
rect->height = rect->height;
updateRects.Append((wxObject*) rect);
}
else if (dy < 0)
{
wxRect *rect = new wxRect;
rect->x = x;
rect->y = y + h + dy;
rect->width = w;
rect->height = -dy;
XFillRectangle(display, window,
(GC) dc.GetGC(), rect->x, rect->y, rect->width, rect->height);
rect->x = rect->x;
rect->y = rect->y;
rect->width = rect->width;
rect->height = rect->height;
updateRects.Append((wxObject*) rect);
}
dc.SetBrush(wxNullBrush);
// Now send expose events
wxNode* node = updateRects.First();
while (node)
{
wxRect* rect = (wxRect*) node->Data();
XExposeEvent event;
event.type = Expose;
event.display = display;
event.send_event = True;
event.window = window;
event.x = rect->x;
event.y = rect->y;
event.width = rect->width;
event.height = rect->height;
event.count = 0;
XSendEvent(display, window, False, ExposureMask, (XEvent *)&event);
node = node->Next();
}
// Delete the update rects
node = updateRects.First();
while (node)
{
wxRect* rect = (wxRect*) node->Data();
delete rect;
node = node->Next();
}
#endif
}
// ---------------------------------------------------------------------------
// drag and drop
// ---------------------------------------------------------------------------
#if wxUSE_DRAG_AND_DROP
void wxWindowX11::SetDropTarget(wxDropTarget * WXUNUSED(pDropTarget))
{
// TODO
}
#endif
// Old style file-manager drag&drop
void wxWindowX11::DragAcceptFiles(bool WXUNUSED(accept))
{
// TODO
}
// ----------------------------------------------------------------------------
// tooltips
// ----------------------------------------------------------------------------
#if wxUSE_TOOLTIPS
void wxWindowX11::DoSetToolTip(wxToolTip * WXUNUSED(tooltip))
{
// TODO
}
#endif // wxUSE_TOOLTIPS
// ---------------------------------------------------------------------------
// moving and resizing
// ---------------------------------------------------------------------------
bool wxWindowX11::PreResize()
{
return TRUE;
}
// Get total size
void wxWindowX11::DoGetSize(int *x, int *y) const
{
Window window = (Window) m_mainWidget;
if (window)
{
XWindowAttributes attr;
Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
wxASSERT(status);
if (status)
{
*x = attr.width /* + 2*m_borderSize */ ;
*y = attr.height /* + 2*m_borderSize */ ;
}
}
}
void wxWindowX11::DoGetPosition(int *x, int *y) const
{
Window window = (Window) m_mainWidget;
if (window)
{
XWindowAttributes attr;
Status status = XGetWindowAttributes(wxGlobalDisplay(), window, & attr);
wxASSERT(status);
if (status)
{
*x = attr.x;
*y = attr.y;
// We may be faking the client origin. So a window that's really at (0, 30)
// may appear (to wxWin apps) to be at (0, 0).
if (GetParent())
{
wxPoint pt(GetParent()->GetClientAreaOrigin());
*x -= pt.x;
*y -= pt.y;
}
}
}
}
void wxWindowX11::DoScreenToClient(int *x, int *y) const
{
Display *display = wxGlobalDisplay();
Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
Window thisWindow = (Window) m_mainWidget;
Window childWindow;
int xx = *x;
int yy = *y;
XTranslateCoordinates(display, rootWindow, thisWindow, xx, yy, x, y, &childWindow);
}
void wxWindowX11::DoClientToScreen(int *x, int *y) const
{
Display *display = wxGlobalDisplay();
Window rootWindow = RootWindowOfScreen(DefaultScreenOfDisplay(display));
Window thisWindow = (Window) m_mainWidget;
Window childWindow;
int xx = *x;
int yy = *y;
XTranslateCoordinates(display, thisWindow, rootWindow, xx, yy, x, y, &childWindow);
}
// Get size *available for subwindows* i.e. excluding menu bar etc.
void wxWindowX11::DoGetClientSize(int *x, int *y) const
{
Window window = (Window) m_mainWidget;
if (window)
{
XWindowAttributes attr;
Status status = XGetWindowAttributes( wxGlobalDisplay(), window, &attr );
wxASSERT(status);
if (status)
{
*x = attr.width ;
*y = attr.height ;
}
}
}
void wxWindowX11::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
if (!GetMainWindow())
return;
XWindowChanges windowChanges;
int valueMask = 0;
if (x != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
{
int yy = 0;
AdjustForParentClientOrigin( x, yy, sizeFlags);
windowChanges.x = x;
valueMask |= CWX;
}
if (y != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
{
int xx = 0;
AdjustForParentClientOrigin( xx, y, sizeFlags);
windowChanges.y = y;
valueMask |= CWY;
}
if (width != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
{
windowChanges.width = width /* - m_borderSize*2 */;
valueMask |= CWWidth;
}
if (height != -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
{
windowChanges.height = height /* -m_borderSize*2*/;
valueMask |= CWHeight;
}
XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
valueMask, & windowChanges);
}
void wxWindowX11::DoSetClientSize(int width, int height)
{
if (!GetMainWindow())
return;
XWindowChanges windowChanges;
int valueMask = 0;
if (width != -1)
{
windowChanges.width = width ;
valueMask |= CWWidth;
}
if (height != -1)
{
windowChanges.height = height ;
valueMask |= CWHeight;
}
XConfigureWindow(wxGlobalDisplay(), (Window) GetMainWindow(),
valueMask, & windowChanges);
}
// For implementation purposes - sometimes decorations make the client area
// smaller
wxPoint wxWindowX11::GetClientAreaOrigin() const
{
return wxPoint(0, 0);
}
// Makes an adjustment to the window position (for example, a frame that has
// a toolbar that it manages itself).
void wxWindowX11::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
{
if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
{
wxPoint pt(GetParent()->GetClientAreaOrigin());
x += pt.x; y += pt.y;
}
}
void wxWindowX11::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
{
m_minWidth = minW;
m_minHeight = minH;
m_maxWidth = maxW;
m_maxHeight = maxH;
XSizeHints sizeHints;
sizeHints.flags = 0;
if (minW > -1 && minH > -1)
{
sizeHints.flags |= PMinSize;
sizeHints.min_width = minW;
sizeHints.min_height = minH;
}
if (maxW > -1 && maxH > -1)
{
sizeHints.flags |= PMaxSize;
sizeHints.max_width = maxW;
sizeHints.max_height = maxH;
}
if (incW > -1 && incH > -1)
{
sizeHints.flags |= PResizeInc;
sizeHints.width_inc = incW;
sizeHints.height_inc = incH;
}
XSetWMNormalHints(wxGlobalDisplay(), (Window) GetMainWindow(), & sizeHints);
}
void wxWindowX11::DoMoveWindow(int x, int y, int width, int height)
{
DoSetSize(x, y, width, height);
}
// ---------------------------------------------------------------------------
// text metrics
// ---------------------------------------------------------------------------
int wxWindowX11::GetCharHeight() const
{
wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
int direction, ascent, descent;
XCharStruct overall;
XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
&descent, &overall);
// return (overall.ascent + overall.descent);
return (ascent + descent);
}
int wxWindowX11::GetCharWidth() const
{
wxCHECK_MSG( m_font.Ok(), 0, "valid window font needed" );
WXFontStructPtr pFontStruct = m_font.GetFontStruct(1.0, GetXDisplay());
int direction, ascent, descent;
XCharStruct overall;
XTextExtents ((XFontStruct*) pFontStruct, "x", 1, &direction, &ascent,
&descent, &overall);
return overall.width;
}
void wxWindowX11::GetTextExtent(const wxString& string,
int *x, int *y,
int *descent, int *externalLeading,
const wxFont *theFont) const
{
wxFont fontToUse = m_font;
if (theFont) fontToUse = *theFont;
wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
WXFontStructPtr pFontStruct = fontToUse.GetFontStruct(1.0, GetXDisplay());
int direction, ascent, descent2;
XCharStruct overall;
int slen = string.Len();
#if 0
if (use16)
XTextExtents16((XFontStruct*) pFontStruct, (XChar2b *) (char*) (const char*) string, slen, &direction,
&ascent, &descent2, &overall);
#endif
XTextExtents((XFontStruct*) pFontStruct, string.c_str(), slen,
&direction, &ascent, &descent2, &overall);
if ( x )
*x = (overall.width);
if ( y )
*y = (ascent + descent2);
if (descent)
*descent = descent2;
if (externalLeading)
*externalLeading = 0;
}
// ----------------------------------------------------------------------------
// painting
// ----------------------------------------------------------------------------
void wxWindowX11::Refresh(bool eraseBack, const wxRect *rect)
{
if (eraseBack)
{
if (rect)
{
// Schedule for later Updating in ::Update() or ::OnInternalIdle().
m_clearRegion.Union( rect->x, rect->y, rect->width, rect->height );
}
else
{
int height,width;
GetSize( &width, &height );
// Schedule for later Updating in ::Update() or ::OnInternalIdle().
m_clearRegion.Clear();
m_clearRegion.Union( 0, 0, width, height );
}
}
if (rect)
{
// Schedule for later Updating in ::Update() or ::OnInternalIdle().
m_updateRegion.Union( rect->x, rect->y, rect->width, rect->height );
}
else
{
int height,width;
GetSize( &width, &height );
// Schedule for later Updating in ::Update() or ::OnInternalIdle().
m_updateRegion.Clear();
m_updateRegion.Union( 0, 0, width, height );
}
}
void wxWindowX11::Update()
{
if (!m_updateRegion.IsEmpty())
{
X11SendPaintEvents();
}
}
void wxWindowX11::Clear()
{
wxClientDC dc((wxWindow*) this);
wxBrush brush(GetBackgroundColour(), wxSOLID);
dc.SetBackground(brush);
dc.Clear();
}
void wxWindowX11::X11SendPaintEvents()
{
m_clipPaintRegion = TRUE;
// if (!m_clearRegion.IsEmpty())
{
wxWindowDC dc( (wxWindow*)this );
dc.SetClippingRegion( m_clearRegion );
wxEraseEvent erase_event( GetId(), &dc );
erase_event.SetEventObject( this );
if (!GetEventHandler()->ProcessEvent(erase_event))
{
wxRegionIterator upd( m_clearRegion );
while (upd)
{
XClearArea( wxGlobalDisplay(), (Window) m_mainWidget,
upd.GetX(), upd.GetY(), upd.GetWidth(), upd.GetHeight(), False );
upd ++;
}
}
m_clearRegion.Clear();
}
wxNcPaintEvent nc_paint_event( GetId() );
nc_paint_event.SetEventObject( this );
GetEventHandler()->ProcessEvent( nc_paint_event );
wxPaintEvent paint_event( GetId() );
paint_event.SetEventObject( this );
GetEventHandler()->ProcessEvent( paint_event );
m_updateRegion.Clear();
m_clipPaintRegion = FALSE;
}
// ----------------------------------------------------------------------------
// event handlers
// ----------------------------------------------------------------------------
// Responds to colour changes: passes event on to children.
void wxWindowX11::OnSysColourChanged(wxSysColourChangedEvent& event)
{
wxWindowList::Node *node = GetChildren().GetFirst();
while ( node )
{
// Only propagate to non-top-level windows
wxWindow *win = node->GetData();
if ( win->GetParent() )
{
wxSysColourChangedEvent event2;
event.m_eventObject = win;
win->GetEventHandler()->ProcessEvent(event2);
}
node = node->GetNext();
}
}
void wxWindowX11::OnInternalIdle()
{
// Update invalidated regions.
Update();
// This calls the UI-update mechanism (querying windows for
// menu/toolbar/control state information)
UpdateWindowUI();
}
// ----------------------------------------------------------------------------
// function which maintain the global hash table mapping Widgets to wxWindows
// ----------------------------------------------------------------------------
bool wxAddWindowToTable(Window w, wxWindow *win)
{
wxWindow *oldItem = NULL;
if ((oldItem = (wxWindow *)wxWidgetHashTable->Get ((long) w)))
{
wxLogDebug("Widget table clash: new widget is %ld, %s",
(long)w, win->GetClassInfo()->GetClassName());
return FALSE;
}
wxWidgetHashTable->Put((long) w, win);
wxLogTrace("widget", "XWindow 0x%08x <-> window %p (%s)",
w, win, win->GetClassInfo()->GetClassName());
return TRUE;
}
wxWindow *wxGetWindowFromTable(Window w)
{
return (wxWindow *)wxWidgetHashTable->Get((long) w);
}
void wxDeleteWindowFromTable(Window w)
{
wxWidgetHashTable->Delete((long)w);
}
// ----------------------------------------------------------------------------
// add/remove window from the table
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// X11-specific accessors
// ----------------------------------------------------------------------------
// Get the underlying X window
WXWindow wxWindowX11::GetXWindow() const
{
return GetMainWindow();
}
// Get the underlying X display
WXDisplay *wxWindowX11::GetXDisplay() const
{
return wxGetDisplay();
}
WXWindow wxWindowX11::GetMainWindow() const
{
return m_mainWidget;
}
// ----------------------------------------------------------------------------
// TranslateXXXEvent() functions
// ----------------------------------------------------------------------------
bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Window window, XEvent *xevent)
{
switch (xevent->xany.type)
{
case EnterNotify:
case LeaveNotify:
case ButtonPress:
case ButtonRelease:
case MotionNotify:
{
wxEventType eventType = wxEVT_NULL;
if (xevent->xany.type == EnterNotify)
{
//if (local_event.xcrossing.mode!=NotifyNormal)
// return ; // Ignore grab events
eventType = wxEVT_ENTER_WINDOW;
// canvas->GetEventHandler()->OnSetFocus();
}
else if (xevent->xany.type == LeaveNotify)
{
//if (local_event.xcrossingr.mode!=NotifyNormal)
// return ; // Ignore grab events
eventType = wxEVT_LEAVE_WINDOW;
// canvas->GetEventHandler()->OnKillFocus();
}
else if (xevent->xany.type == MotionNotify)
{
eventType = wxEVT_MOTION;
}
else if (xevent->xany.type == ButtonPress)
{
wxevent.SetTimestamp(xevent->xbutton.time);
int button = 0;
if (xevent->xbutton.button == Button1)
{
eventType = wxEVT_LEFT_DOWN;
button = 1;
}
else if (xevent->xbutton.button == Button2)
{
eventType = wxEVT_MIDDLE_DOWN;
button = 2;
}
else if (xevent->xbutton.button == Button3)
{
eventType = wxEVT_RIGHT_DOWN;
button = 3;
}
// check for a double click
// TODO: where can we get this value from?
//long dclickTime = XtGetMultiClickTime(wxGlobalDisplay());
long dclickTime = 200;
long ts = wxevent.GetTimestamp();
int buttonLast = win->GetLastClickedButton();
long lastTS = win->GetLastClickTime();
if ( buttonLast && buttonLast == button && (ts - lastTS) < dclickTime )
{
// I have a dclick
win->SetLastClick(0, ts);
if ( eventType == wxEVT_LEFT_DOWN )
eventType = wxEVT_LEFT_DCLICK;
else if ( eventType == wxEVT_MIDDLE_DOWN )
eventType = wxEVT_MIDDLE_DCLICK;
else if ( eventType == wxEVT_RIGHT_DOWN )
eventType = wxEVT_RIGHT_DCLICK;
}
else
{
// not fast enough or different button
win->SetLastClick(button, ts);
}
}
else if (xevent->xany.type == ButtonRelease)
{
if (xevent->xbutton.button == Button1)
{
eventType = wxEVT_LEFT_UP;
}
else if (xevent->xbutton.button == Button2)
{
eventType = wxEVT_MIDDLE_UP;
}
else if (xevent->xbutton.button == Button3)
{
eventType = wxEVT_RIGHT_UP;
}
else return FALSE;
}
else
{
return FALSE;
}
wxevent.SetEventType(eventType);
wxevent.m_x = xevent->xbutton.x;
wxevent.m_y = xevent->xbutton.y;
wxevent.m_leftDown = ((eventType == wxEVT_LEFT_DOWN)
|| (event_left_is_down (xevent)
&& (eventType != wxEVT_LEFT_UP)));
wxevent.m_middleDown = ((eventType == wxEVT_MIDDLE_DOWN)
|| (event_middle_is_down (xevent)
&& (eventType != wxEVT_MIDDLE_UP)));
wxevent.m_rightDown = ((eventType == wxEVT_RIGHT_DOWN)
|| (event_right_is_down (xevent)
&& (eventType != wxEVT_RIGHT_UP)));
wxevent.m_shiftDown = xevent->xbutton.state & ShiftMask;
wxevent.m_controlDown = xevent->xbutton.state & ControlMask;
wxevent.m_altDown = xevent->xbutton.state & Mod3Mask;
wxevent.m_metaDown = xevent->xbutton.state & Mod1Mask;
wxevent.SetId(win->GetId());
wxevent.SetEventObject(win);
return TRUE;
}
}
return FALSE;
}
bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Window WXUNUSED(win), XEvent *xevent)
{
switch (xevent->xany.type)
{
case KeyPress:
case KeyRelease:
{
char buf[20];
KeySym keySym;
(void) XLookupString ((XKeyEvent *) xevent, buf, 20, &keySym, NULL);
int id = wxCharCodeXToWX (keySym);
if (xevent->xkey.state & ShiftMask)
wxevent.m_shiftDown = TRUE;
if (xevent->xkey.state & ControlMask)
wxevent.m_controlDown = TRUE;
if (xevent->xkey.state & Mod3Mask)
wxevent.m_altDown = TRUE;
if (xevent->xkey.state & Mod1Mask)
wxevent.m_metaDown = TRUE;
wxevent.SetEventObject(win);
wxevent.m_keyCode = id;
wxevent.SetTimestamp(xevent->xkey.time);
wxevent.m_x = xevent->xbutton.x;
wxevent.m_y = xevent->xbutton.y;
if (id > -1)
return TRUE;
else
return FALSE;
break;
}
default:
break;
}
return FALSE;
}
// ----------------------------------------------------------------------------
// Colour stuff
// ----------------------------------------------------------------------------
#if 0
#define YAllocColor XAllocColor
XColor g_itemColors[5];
int wxComputeColours (Display *display, wxColour * back, wxColour * fore)
{
int result;
static XmColorProc colorProc;
result = wxNO_COLORS;
if (back)
{
g_itemColors[0].red = (((long) back->Red ()) << 8);
g_itemColors[0].green = (((long) back->Green ()) << 8);
g_itemColors[0].blue = (((long) back->Blue ()) << 8);
g_itemColors[0].flags = DoRed | DoGreen | DoBlue;
if (colorProc == (XmColorProc) NULL)
{
// Get a ptr to the actual function
colorProc = XmSetColorCalculation ((XmColorProc) NULL);
// And set it back to motif.
XmSetColorCalculation (colorProc);
}
(*colorProc) (&g_itemColors[wxBACK_INDEX],
&g_itemColors[wxFORE_INDEX],
&g_itemColors[wxSELE_INDEX],
&g_itemColors[wxTOPS_INDEX],
&g_itemColors[wxBOTS_INDEX]);
result = wxBACK_COLORS;
}
if (fore)
{
g_itemColors[wxFORE_INDEX].red = (((long) fore->Red ()) << 8);
g_itemColors[wxFORE_INDEX].green = (((long) fore->Green ()) << 8);
g_itemColors[wxFORE_INDEX].blue = (((long) fore->Blue ()) << 8);
g_itemColors[wxFORE_INDEX].flags = DoRed | DoGreen | DoBlue;
if (result == wxNO_COLORS)
result = wxFORE_COLORS;
}
Display *dpy = display;
Colormap cmap = (Colormap) wxTheApp->GetMainColormap((WXDisplay*) dpy);
if (back)
{
/* 5 Colours to allocate */
for (int i = 0; i < 5; i++)
if (!YAllocColor (dpy, cmap, &g_itemColors[i]))
result = wxNO_COLORS;
}
else if (fore)
{
/* Only 1 colour to allocate */
if (!YAllocColor (dpy, cmap, &g_itemColors[wxFORE_INDEX]))
result = wxNO_COLORS;
}
return (result);
}
#endif
bool wxWindowX11::SetBackgroundColour(const wxColour& col)
{
wxWindowBase::SetBackgroundColour(col);
if (!GetMainWindow())
return FALSE;
Display *xdisplay = (Display*) wxGlobalDisplay();
int xscreen = DefaultScreen( xdisplay );
Colormap cm = DefaultColormap( xdisplay, xscreen );
wxColour colour( col );
colour.CalcPixel( (WXColormap) cm );
XSetWindowAttributes attrib;
attrib.background_pixel = colour.GetPixel();
XChangeWindowAttributes(wxGlobalDisplay(),
(Window) GetMainWindow(),
CWBackPixel,
& attrib);
return TRUE;
}
bool wxWindowX11::SetForegroundColour(const wxColour& col)
{
if ( !wxWindowBase::SetForegroundColour(col) )
return FALSE;
return TRUE;
}
// ----------------------------------------------------------------------------
// global functions
// ----------------------------------------------------------------------------
wxWindow *wxGetActiveWindow()
{
// TODO
wxFAIL_MSG("Not implemented");
return NULL;
}
/* static */
wxWindow *wxWindowBase::GetCapture()
{
return (wxWindow *)g_captureWindow;
}
// Find the wxWindow at the current mouse position, returning the mouse
// position.
wxWindow* wxFindWindowAtPointer(wxPoint& pt)
{
return wxFindWindowAtPoint(wxGetMousePosition());
}
// Get the current mouse position.
wxPoint wxGetMousePosition()
{
Display *display = wxGlobalDisplay();
Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display));
Window rootReturn, childReturn;
int rootX, rootY, winX, winY;
unsigned int maskReturn;
XQueryPointer (display,
rootWindow,
&rootReturn,
&childReturn,
&rootX, &rootY, &winX, &winY, &maskReturn);
return wxPoint(rootX, rootY);
}
// ----------------------------------------------------------------------------
// wxNoOptimize: switch off size optimization
// ----------------------------------------------------------------------------
int wxNoOptimize::ms_count = 0;
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