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dtwm: Add EWMH related source code.

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This commit is contained in:
Liang Chang 2021-08-07 13:14:34 +08:00
parent 50ea1705c7
commit e648aab6b1
3 changed files with 331 additions and 15 deletions
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30
cde/programs/dtwm/Makefile.am
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@ -22,21 +22,21 @@ endif
dtwm_SOURCES = WmCDInfo.c WmCDecor.c WmCEvent.c \
WmCPlace.c WmColormap.c WmError.c \
WmEvent.c WmFeedback.c WmFunction.c \
WmGraphics.c WmIDecor.c WmIPlace.c \
WmIconBox.c WmImage.c WmInitWs.c \
WmKeyFocus.c WmMain.c WmManage.c \
WmMenu.c WmProperty.c WmProtocol.c \
WmResCvt.c WmResParse.c WmResource.c \
WmSignal.c WmWinConf.c WmWinInfo.c \
WmWinList.c WmWinState.c WmMultiHead.c \
Button.c Callback.c Clock.c \
DataBaseLoad.c PanelS.c Parse.c \
PopupMenu.c Session.c UI.c \
WmBackdrop.c WmFP.c WmHelp.c \
WmIPC.c WmOL.c WmParse.c \
WmParseP.c WmPresence.c WmWrkspace.c \
WmXSMP.c
WmEvent.c WmEwmh.c WmFeedback.c \
WmFunction.c WmGraphics.c WmIDecor.c \
WmIPlace.c WmIconBox.c WmImage.c \
WmInitWs.c WmKeyFocus.c WmMain.c \
WmManage.c WmMenu.c WmProperty.c \
WmProtocol.c WmResCvt.c WmResParse.c \
WmResource.c WmSignal.c WmWinConf.c \
WmWinInfo.c WmWinList.c WmWinState.c \
WmMultiHead.c Button.c Callback.c \
Clock.c DataBaseLoad.c PanelS.c \
Parse.c PopupMenu.c Session.c \
UI.c WmBackdrop.c WmFP.c \
WmHelp.c WmIPC.c WmOL.c \
WmParse.c WmParseP.c WmPresence.c \
WmWrkspace.c WmXSMP.c
dtfplist_SOURCES = Print.c Parse.c DataBaseLoad.c WmParse.c Session.c

273
cde/programs/dtwm/WmEwmh.c Normal file
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@ -0,0 +1,273 @@
/*
* CDE - Common Desktop Environment
*
* (c) Copyright 1993-2012 The Open Group
* (c) Copyright 2012-2022 CDE Project contributors, see
* CONTRIBUTORS for details
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*
* Included Files:
*/
#include "WmGlobal.h"
#include "WmEwmh.h"
/*
* include extern functions
*/
#include "WmMultiHead.h"
#include "WmProperty.h"
/*************************************<->*************************************
*
* ProcessNetWmFullscreenMonitors (pCD, top, bottom, left, right)
*
*
* Description:
* -----------
* This function retrieves the contents of the _NET_WM_FULLSCREEN_MONITORS
* message.
*
*
*
* Inputs:
* ------
* pCD = pointer to client data
* top = the monitor whose top edge defines the top edge of the fullscreen
* window
* bottom = the monitor whose bottom edge defines the bottom edge of the
* fullscreen window
* left = the monitor whose left edge defines the left edge of the fullscreen
* window
* right = the monitor whose right edge defines the right edge of the
* fullscreen window
*
*************************************<->***********************************/
static void ProcessNetWmFullscreenMonitors (ClientData *pCD,
long top, long bottom, long left, long right)
{
WmHeadInfo_t *pHeadInfo;
pCD->monitorSizeIsSet = False;
pHeadInfo = GetHeadInfoById (top);
if (!pHeadInfo) return;
pCD->monitorY = pHeadInfo->y_org;
free(pHeadInfo);
pHeadInfo = GetHeadInfoById (bottom);
if (!pHeadInfo) return;
pCD->monitorHeight = top == bottom ? pHeadInfo->height :
pHeadInfo->y_org + pHeadInfo->height;
free(pHeadInfo);
pHeadInfo = GetHeadInfoById (left);
if (!pHeadInfo) return;
pCD->monitorX = pHeadInfo->x_org;
free(pHeadInfo);
pHeadInfo = GetHeadInfoById (right);
if (!pHeadInfo) return;
pCD->monitorWidth = left == right ? pHeadInfo->width :
pHeadInfo->x_org + pHeadInfo->width;
free(pHeadInfo);
pCD->monitorSizeIsSet = True;
} /* END OF FUNCTION ProcessNetWmFullscreenMonitors */
/*************************************<->*************************************
*
* ProcessNetWmStateFullscreen (pCD, en)
*
*
* Description:
* -----------
* This function retrieves the contents of the _NET_WM_STATE_FULLSCREEN
* message.
*
*
*
* Inputs:
* ------
* pCD = pointer to client data
* en = enable fullscreen
*
*************************************<->***********************************/
static void ProcessNetWmStateFullscreen (ClientData *pCD, Boolean en)
{
PropMwmHints hints = {0};
PropMwmHints *pHints = GetMwmHints (pCD);
XClientMessageEvent clientMsgEvent = {
.type = ClientMessage,
.window = pCD->client,
.message_type = wmGD.xa_WM_CHANGE_STATE,
.format = 32,
.data.l[0] = NormalState
};
if (!pHints) pHints = &hints;
pHints->flags |= MWM_HINTS_DECORATIONS;
pHints->decorations = en ? WM_DECOR_NONE : WM_DECOR_DEFAULT;
XChangeProperty (DISPLAY, pCD->client, wmGD.xa_MWM_HINTS, wmGD.xa_MWM_HINTS,
32, PropModeReplace, (unsigned char *) pHints,
sizeof (PropMwmHints) / sizeof (long));
if (pHints != &hints) XFree (pHints);
pCD->isFullscreen = en;
XSendEvent (DISPLAY, ROOT_FOR_CLIENT (pCD), False, SubstructureRedirectMask,
(XEvent *) &clientMsgEvent);
if (en) XChangeProperty (DISPLAY, pCD->client, wmGD.xa_NET_WM_STATE,
XA_ATOM, 32, PropModeReplace,
(unsigned char *) &wmGD.xa_NET_WM_STATE_FULLSCREEN,
1);
else XDeleteProperty (DISPLAY, pCD->client, wmGD.xa_NET_WM_STATE);
} /* END OF FUNCTION ProcessNetWmStateFullscreen */
/*************************************<->*************************************
*
* ProcessEwmh (pCD, clientEvent)
*
*
* Description:
* -----------
* This function retrieves the contents of the EWMH message.
*
*
* Inputs:
* ------
* pCD = pointer to client data
* clientEvent = pointer to a client message event on the root window
*
*************************************<->***********************************/
void ProcessEwmh (ClientData *pCD, XClientMessageEvent *clientEvent)
{
int i;
if (clientEvent->message_type == wmGD.xa_NET_WM_FULLSCREEN_MONITORS)
{
ProcessNetWmFullscreenMonitors (pCD,
clientEvent->data.l[0], clientEvent->data.l[1],
clientEvent->data.l[2], clientEvent->data.l[3]);
}
else if (clientEvent->message_type == wmGD.xa_NET_WM_STATE)
{
for (i = 1; i < 3; ++i)
{
if (clientEvent->data.l[i] == wmGD.xa_NET_WM_STATE_FULLSCREEN)
{
ProcessNetWmStateFullscreen (pCD, clientEvent->data.l[0]);
}
}
}
} /* END OF FUNCTION ProcessEwmh */
/*************************************<->*************************************
*
* SetupWmEwmh ()
*
*
* Description:
* -----------
* This function sets up the window manager handling of the EWMH.
*
*
* Outputs:
* -------
* (wmGD) = Atoms id's are setup.
*
*************************************<->***********************************/
void SetupWmEwmh (void)
{
enum {
XA_NET_SUPPORTED,
XA_NET_WM_NAME,
XA_NET_SUPPORTING_WM_CHECK,
XA_NET_WM_FULLSCREEN_MONITORS,
XA_NET_WM_STATE,
XA_NET_WM_STATE_FULLSCREEN
};
static char *atom_names[] = {
_XA_NET_SUPPORTED,
_XA_NET_WM_NAME,
_XA_NET_SUPPORTING_WM_CHECK,
_XA_NET_WM_FULLSCREEN_MONITORS,
_XA_NET_WM_STATE,
_XA_NET_WM_STATE_FULLSCREEN
};
int scr;
Window childWindow;
Atom atoms[XtNumber(atom_names) + 1];
XInternAtoms(DISPLAY, atom_names, XtNumber(atom_names), False, atoms);
wmGD.xa_NET_WM_FULLSCREEN_MONITORS = atoms[XA_NET_WM_FULLSCREEN_MONITORS];
wmGD.xa_NET_WM_STATE = atoms[XA_NET_WM_STATE];
wmGD.xa_NET_WM_STATE_FULLSCREEN = atoms[XA_NET_WM_STATE_FULLSCREEN];
for (scr = 0; scr < wmGD.numScreens; scr++)
{
childWindow = XCreateSimpleWindow(DISPLAY, wmGD.Screens[scr].rootWindow,
-1, -1, 1, 1, 0, 0, 0);
XChangeProperty(DISPLAY, childWindow, atoms[XA_NET_WM_NAME], None, 32,
PropModeReplace, "DTWM", 5);
XChangeProperty(DISPLAY, childWindow,
atoms[XA_NET_SUPPORTING_WM_CHECK], XA_WINDOW, 32,
PropModeReplace, (unsigned char *)&childWindow, 1);
XChangeProperty(DISPLAY, wmGD.Screens[scr].rootWindow,
atoms[XA_NET_SUPPORTING_WM_CHECK], XA_WINDOW, 32,
PropModeReplace, (unsigned char *)&childWindow, 1);
XChangeProperty(DISPLAY, wmGD.Screens[scr].rootWindow,
atoms[XA_NET_SUPPORTED], XA_ATOM, 32, PropModeReplace,
(unsigned char *)&atoms[XA_NET_SUPPORTING_WM_CHECK], 4);
}
} /* END OF FUNCTION SetupWmEwmh */

43
cde/programs/dtwm/WmEwmh.h Normal file
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@ -0,0 +1,43 @@
/*
* CDE - Common Desktop Environment
*
* (c) Copyright 1993-2012 The Open Group
* (c) Copyright 2012-2022 CDE Project contributors, see
* CONTRIBUTORS for details
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
#ifndef _Dt_WmEwmh_h_
#define _Dt_WmEwmh_h_
#define _NET_WM_STATE_REMOVE 0
#define _NET_WM_STATE_ADD 1
#define _NET_WM_STATE_TOGGLE 2
#define _XA_NET_SUPPORTED "_NET_SUPPORTED"
#define _XA_NET_WM_NAME "_NET_WM_NAME"
#define _XA_NET_SUPPORTING_WM_CHECK "_NET_SUPPORTING_WM_CHECK"
#define _XA_NET_WM_FULLSCREEN_MONITORS "_NET_WM_FULLSCREEN_MONITORS"
#define _XA_NET_WM_STATE "_NET_WM_STATE"
#define _XA_NET_WM_STATE_FULLSCREEN "_NET_WM_STATE_FULLSCREEN"
void ProcessEwmh (ClientData *pCD, XClientMessageEvent *clientEvent);
void SetupWmEwmh (void);
#endif /* _Dt_WmEwmh_h_ */