NEWS: Hot corners feature description

Add an entry in the NEWS to describe the Hot Corners feature.

NEWS

@@ -3,6 +3,26 @@ NEWS for veteran Window Maker users
 
 -- 0.96.0
 
+Hot Corners feature
+--------------------------
+
+Screen corners can be assigned an external command to be
+executed when the mouse pointer is entering those areas.
+In WPrefs, "Hot Corner Shortcut Preferences" can be used
+for configuration or by manually adding a "HotCorners" key
+and value to "YES" in the ~/GNUstep/Defaults/WindowMaker file.
+Hot Corners feature is disabled by default.
+Actions are specified by the "HotCornerActions" and are defined
+as a four entries list ("top left action", "top right action",
+"bottom left action", "bottom right action").
+A screen corner area is a cube shape defined by the "HotCornerEdge"
+which is a number of pixels from 2 (by default) to 10.
+To lower the risk of triggering that feature accidentally a
+"HotCornerDelay" key can be used which is the time before the action
+is triggered while the pointer is in one of the screen corner.
+Default value is 250 ms.
+
+
 Screenshot capture feature
 --------------------------
 

WPrefs.app/HotCornerShortcuts.c

@@ -0,0 +1,465 @@
+/* HotCornerShortcuts.c - screen corners actions
+ *
+ *  WPrefs - Window Maker Preferences Program
+ *
+ *  Copyright (c) 2023 Window Maker Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "WPrefs.h"
+
+typedef struct _Panel {
+	WMBox *box;
+
+	char *sectionName;
+
+	char *description;
+
+	CallbackRec callbacks;
+
+	WMWidget *parent;
+	WMPixmap *icon;
+	Pixmap quarter[4];
+
+	WMFrame *hcF;
+	WMButton *hcB;
+	WMFrame *hceF;
+	WMSlider *hceS;
+	WMLabel *hceL;
+	WMFrame *hcdescF;
+	WMLabel *hcdescL;
+
+	WMFrame *hcdelayF;
+	WMButton *hcdelayB[5];
+	WMTextField *hcdelayT;
+	WMLabel *hcdelayL;
+	WMLabel *icornerL;
+
+	WMFrame *hcactionsF;
+	WMTextField *hcactionsT[4];
+
+	char hotcornerDelaySelected;
+} _Panel;
+
+#define ICON_FILE	"hotcorners"
+
+#define DELAY_ICON "timer%i"
+#define DELAY_ICON_S "timer%is"
+
+static void edgeCallback(WMWidget * w, void *data)
+{
+	_Panel *panel = (_Panel *) data;
+	char buffer[64];
+	int i;
+
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) w;
+
+	i = WMGetSliderValue(panel->hceS);
+
+	if (i == 0)
+		sprintf(buffer, _("OFF"));
+	else if (i == 1)
+		sprintf(buffer, _("1 pixel"));
+	else if (i <= 4)
+		/* 2-4 */
+		sprintf(buffer, _("%i pixels"), i);
+	else
+		/* >4 */
+		sprintf(buffer, _("%i pixels "), i);	/* note space! */
+	WMSetLabelText(panel->hceL, buffer);
+}
+
+static void showData(_Panel * panel)
+{
+	int i;
+	char buffer[32];
+	WMPropList *array;
+
+	if (!GetObjectForKey("HotCornerDelay"))
+		i = 250;
+	else
+		i = GetIntegerForKey("HotCornerDelay");
+	sprintf(buffer, "%i", i);
+	WMSetTextFieldText(panel->hcdelayT, buffer);
+
+	switch (i) {
+	case 0:
+		WMPerformButtonClick(panel->hcdelayB[0]);
+		break;
+	case 250:
+		WMPerformButtonClick(panel->hcdelayB[1]);
+		break;
+	case 500:
+		WMPerformButtonClick(panel->hcdelayB[2]);
+		break;
+	case 750:
+		WMPerformButtonClick(panel->hcdelayB[3]);
+		break;
+	case 1000:
+		WMPerformButtonClick(panel->hcdelayB[4]);
+		break;
+	}
+
+	i = GetIntegerForKey("HotCornerEdge");
+	i = i < 0 ? 2 : i;
+	i = i > 10 ? 10 : i;
+	WMSetSliderValue(panel->hceS, i);
+	edgeCallback(NULL, panel);
+
+	WMSetButtonSelected(panel->hcB, GetBoolForKey("HotCorners"));
+
+        array = GetObjectForKey("HotCornerActions");
+	if (array && (!WMIsPLArray(array) || WMGetPropListItemCount(array) != sizeof(panel->hcactionsT) / sizeof(WMTextField *))) {
+		wwarning(_("invalid data in option HotCornerActions."));
+	} else {
+		if (array) {
+			for (i = 0; i < sizeof(panel->hcactionsT) / sizeof(WMTextField *); i++)
+				if (strcasecmp(WMGetFromPLString(WMGetFromPLArray(array, i)), "None") != 0)
+					WMSetTextFieldText(panel->hcactionsT[i], WMGetFromPLString(WMGetFromPLArray(array, i)));
+		}
+	}
+}
+
+static void storeData(_Panel * panel)
+{
+	WMPropList *list;
+	WMPropList *tmp;
+	char *str;
+	int i;
+
+	SetBoolForKey(WMGetButtonSelected(panel->hcB), "HotCorners");
+
+	str = WMGetTextFieldText(panel->hcdelayT);
+	if (sscanf(str, "%i", &i) != 1)
+		i = 0;
+	SetIntegerForKey(i, "HotCornerDelay");
+	free(str);
+
+	SetIntegerForKey(WMGetSliderValue(panel->hceS), "HotCornerEdge");	
+
+	list = WMCreatePLArray(NULL, NULL);
+	for (i = 0; i < sizeof(panel->hcactionsT) / sizeof(WMTextField *); i++) {
+		str = WMGetTextFieldText(panel->hcactionsT[i]);
+		if (strlen(str) == 0)
+			str = "None";
+		tmp = WMCreatePLString(str);
+		WMAddToPLArray(list, tmp);
+	}
+	SetObjectForKey(list, "HotCornerActions");
+}
+
+static void pushDelayButton(WMWidget * w, void *data)
+{
+	_Panel *panel = (_Panel *) data;
+
+	panel->hotcornerDelaySelected = 1;
+	if (w == panel->hcdelayB[0]) {
+		WMSetTextFieldText(panel->hcdelayT, "0");
+	} else if (w == panel->hcdelayB[1]) {
+		WMSetTextFieldText(panel->hcdelayT, "250");
+	} else if (w == panel->hcdelayB[2]) {
+		WMSetTextFieldText(panel->hcdelayT, "500");
+	} else if (w == panel->hcdelayB[3]) {
+		WMSetTextFieldText(panel->hcdelayT, "700");
+	} else if (w == panel->hcdelayB[4]) {
+		WMSetTextFieldText(panel->hcdelayT, "1000");
+	}
+}
+
+static void delayTextChanged(void *observerData, WMNotification * notification)
+{
+	_Panel *panel = (_Panel *) observerData;
+	int i;
+
+	/* Parameter not used, but tell the compiler that it is ok */
+	(void) notification;
+
+	if (panel->hotcornerDelaySelected) {
+		for (i = 0; i < 5; i++) {
+			WMSetButtonSelected(panel->hcdelayB[i], False);
+		}
+		panel->hotcornerDelaySelected = 0;
+	}
+}
+
+static void createPanel(Panel * p)
+{
+	_Panel *panel = (_Panel *) p;
+	int i;
+	char *buf1, *buf2;
+	WMColor *color;
+	WMFont *font;
+	char *path;
+	RImage *xis = NULL;
+	WMScreen *scr = WMWidgetScreen(panel->parent);
+	RContext *rc = WMScreenRContext(scr);
+	GC gc = XCreateGC(scr->display, WMWidgetXID(panel->parent), 0, NULL);
+
+	path = LocateImage(ICON_FILE);
+	if (path) {
+		xis = RLoadImage(rc, path, 0);
+		if (!xis) {
+			wwarning(_("could not load image file %s"), path);
+		}
+		wfree(path);
+	}
+
+	panel->box = WMCreateBox(panel->parent);
+	WMSetViewExpandsToParent(WMWidgetView(panel->box), 2, 2, 2, 2);
+
+
+    /***************** Hot Corner lelf side frames *****************/
+	panel->hcF = WMCreateFrame(panel->box);
+	WMResizeWidget(panel->hcF, 240, 53);
+	WMMoveWidget(panel->hcF, 15, 17);
+
+	panel->hcB = WMCreateSwitchButton(panel->hcF);
+	WMResizeWidget(panel->hcB, 150, 30);
+	WMMoveWidget(panel->hcB, 15, 12);
+	WMSetButtonText(panel->hcB, _("Enable Hot Corners"));
+
+	WMMapSubwidgets(panel->hcF);
+
+	panel->hceF = WMCreateFrame(panel->box);
+	WMSetFrameTitle(panel->hceF, _("Hot Corner Edge"));
+	WMResizeWidget(panel->hceF, 240, 40);
+	WMMoveWidget(panel->hceF, 15, 77);
+
+	panel->hceS = WMCreateSlider(panel->hceF);
+	WMResizeWidget(panel->hceS, 80, 15);
+	WMMoveWidget(panel->hceS, 15, 18);
+	WMSetSliderMinValue(panel->hceS, 2);
+	WMSetSliderMaxValue(panel->hceS, 10);
+	WMSetSliderAction(panel->hceS, edgeCallback, panel);
+
+	panel->hceL = WMCreateLabel(panel->hceF);
+	WMResizeWidget(panel->hceL, 100, 15);
+	WMMoveWidget(panel->hceL, 105, 18);
+
+	WMMapSubwidgets(panel->hceF);
+
+	panel->hcdescF = WMCreateFrame(panel->box);
+	WMResizeWidget(panel->hcdescF, 240, 95);
+	WMMoveWidget(panel->hcdescF, 15, 130);
+
+	panel->hcdescL = WMCreateLabel(panel->hcdescF);
+	WMResizeWidget(panel->hcdescL, 200, 60);
+	WMMoveWidget(panel->hcdescL, 15, 10);
+	WMSetLabelText(panel->hcdescL,
+		       _("Instructions:\n\n"
+			 " - assign command to corner\n"
+			 " - or leave it empty\n"));
+
+	WMMapSubwidgets(panel->hcdescF);
+
+    /***************** Hot Corner Action Delay *****************/
+	panel->hcdelayF = WMCreateFrame(panel->box);
+	WMResizeWidget(panel->hcdelayF, 245, 60);
+	WMMoveWidget(panel->hcdelayF, 265, 10);
+
+	WMSetFrameTitle(panel->hcdelayF, _("Hot Corner Delay"));
+
+	buf1 = wmalloc(strlen(DELAY_ICON) + 1);
+	buf2 = wmalloc(strlen(DELAY_ICON_S) + 1);
+
+	for (i = 0; i < 5; i++) {
+		char *path;
+
+		panel->hcdelayB[i] = WMCreateCustomButton(panel->hcdelayF, WBBStateChangeMask);
+		WMResizeWidget(panel->hcdelayB[i], 25, 25);
+		WMMoveWidget(panel->hcdelayB[i], 12 + (30 * i), 25);
+		WMSetButtonBordered(panel->hcdelayB[i], False);
+		WMSetButtonImagePosition(panel->hcdelayB[i], WIPImageOnly);
+		WMSetButtonAction(panel->hcdelayB[i], pushDelayButton, panel);
+		if (i > 0)
+			WMGroupButtons(panel->hcdelayB[0], panel->hcdelayB[i]);
+		sprintf(buf1, DELAY_ICON, i);
+		sprintf(buf2, DELAY_ICON_S, i);
+		path = LocateImage(buf1);
+		if (path) {
+			panel->icon = WMCreatePixmapFromFile(scr, path);
+			if (panel->icon) {
+				WMSetButtonImage(panel->hcdelayB[i], panel->icon);
+				WMReleasePixmap(panel->icon);
+			} else {
+				wwarning(_("could not load icon file %s"), path);
+			}
+			wfree(path);
+		}
+		path = LocateImage(buf2);
+		if (path) {
+			panel->icon = WMCreatePixmapFromFile(scr, path);
+			if (panel->icon) {
+				WMSetButtonAltImage(panel->hcdelayB[i], panel->icon);
+				WMReleasePixmap(panel->icon);
+			} else {
+				wwarning(_("could not load icon file %s"), path);
+			}
+			wfree(path);
+		}
+	}
+	wfree(buf1);
+	wfree(buf2);
+
+	panel->hcdelayT = WMCreateTextField(panel->hcdelayF);
+
+	WMResizeWidget(panel->hcdelayT, 36, 20);
+	WMMoveWidget(panel->hcdelayT, 165, 28);
+	WMAddNotificationObserver(delayTextChanged, panel, WMTextDidChangeNotification, panel->hcdelayT);
+
+	panel->hcdelayL = WMCreateLabel(panel->hcdelayF);
+	WMResizeWidget(panel->hcdelayL, 36, 16);
+	WMMoveWidget(panel->hcdelayL, 205, 32);
+	WMSetLabelText(panel->hcdelayL, _("ms"));
+
+	color = WMDarkGrayColor(scr);
+	font = WMSystemFontOfSize(scr, 10);
+
+	WMSetLabelTextColor(panel->hcdelayL, color);
+	WMSetLabelFont(panel->hcdelayL, font);
+
+	WMReleaseColor(color);
+	WMReleaseFont(font);
+
+	WMMapSubwidgets(panel->hcdelayF);
+
+    /***************** Set Hot Corner Actions ****************/
+	panel->hcactionsF = WMCreateFrame(panel->box);
+	WMSetFrameTitle(panel->hcactionsF, _("Hot Corner Actions"));
+	WMResizeWidget(panel->hcactionsF, 245, 148);
+	WMMoveWidget(panel->hcactionsF, 265, 77);
+
+	panel->icornerL = WMCreateLabel(panel->hcactionsF);
+	WMResizeWidget(panel->icornerL, 24, 24);
+	WMMoveWidget(panel->icornerL, 10, 18);
+	WMSetLabelImagePosition(panel->icornerL, WIPImageOnly);
+	CreateImages(scr, rc, xis, ICON_FILE, &panel->icon, NULL);
+	if (panel->icon)
+	{
+		WMPixmap *nicon;
+
+		panel->quarter[0] = XCreatePixmap(scr->display, WMWidgetXID(panel->parent), panel->icon->width/2, panel->icon->height/2, WMScreenDepth(scr));
+		XCopyArea(scr->display, WMGetPixmapXID(panel->icon), panel->quarter[0], gc, 0, 0, panel->icon->width/2, panel->icon->height/2,  0, 0);
+		nicon = WMCreatePixmapFromXPixmaps(scr, panel->quarter[0], WMGetPixmapMaskXID(panel->icon),
+                                     panel->icon->width/2, panel->icon->height/2, WMScreenDepth(scr));
+		WMSetLabelImage(panel->icornerL, nicon);
+		WMReleasePixmap(nicon);
+	}
+
+	panel->hcactionsT[0] = WMCreateTextField(panel->hcactionsF);
+	WMResizeWidget(panel->hcactionsT[0], 180, 20);
+	WMMoveWidget(panel->hcactionsT[0], 50, 20);
+
+	panel->icornerL = WMCreateLabel(panel->hcactionsF);
+	WMResizeWidget(panel->icornerL, 24, 24);
+	WMMoveWidget(panel->icornerL, 10, 48);
+	WMSetLabelImagePosition(panel->icornerL, WIPImageOnly);
+	if (panel->icon)
+	{
+		WMPixmap *nicon;
+
+		panel->quarter[1] = XCreatePixmap(scr->display, WMWidgetXID(panel->parent), panel->icon->width/2, panel->icon->height/2, WMScreenDepth(scr));
+		XCopyArea(scr->display, WMGetPixmapXID(panel->icon), panel->quarter[1], gc, panel->icon->width/2, 0, panel->icon->width/2, panel->icon->height/2,  0, 0);
+		nicon = WMCreatePixmapFromXPixmaps(scr, panel->quarter[1], WMGetPixmapMaskXID(panel->icon),
+                                     panel->icon->width/2, panel->icon->height/2, WMScreenDepth(scr));
+		WMSetLabelImage(panel->icornerL, nicon);
+		WMReleasePixmap(nicon);
+	}
+
+	panel->hcactionsT[1] = WMCreateTextField(panel->hcactionsF);
+	WMResizeWidget(panel->hcactionsT[1], 180, 20);
+	WMMoveWidget(panel->hcactionsT[1], 50, 50);
+
+	panel->icornerL = WMCreateLabel(panel->hcactionsF);
+	WMResizeWidget(panel->icornerL, 24, 24);
+	WMMoveWidget(panel->icornerL, 10, 78);
+	WMSetLabelImagePosition(panel->icornerL, WIPImageOnly);
+	if (panel->icon)
+	{
+		WMPixmap *nicon;
+
+		panel->quarter[2] = XCreatePixmap(scr->display, WMWidgetXID(panel->parent), panel->icon->width/2, panel->icon->height/2, WMScreenDepth(scr));
+		XCopyArea(scr->display, WMGetPixmapXID(panel->icon), panel->quarter[2], gc, 0, panel->icon->height/2, panel->icon->width/2, panel->icon->height/2,  0, 0);
+		nicon = WMCreatePixmapFromXPixmaps(scr, panel->quarter[2], WMGetPixmapMaskXID(panel->icon),
+                                     panel->icon->width/2, panel->icon->height/2, WMScreenDepth(scr));
+		WMSetLabelImage(panel->icornerL, nicon);
+		WMReleasePixmap(nicon);
+	}
+	panel->hcactionsT[2] = WMCreateTextField(panel->hcactionsF);
+	WMResizeWidget(panel->hcactionsT[2], 180, 20);
+	WMMoveWidget(panel->hcactionsT[2], 50, 80);
+
+	panel->icornerL = WMCreateLabel(panel->hcactionsF);
+	WMResizeWidget(panel->icornerL, 24, 24);
+	WMMoveWidget(panel->icornerL, 10, 108);
+	WMSetLabelImagePosition(panel->icornerL, WIPImageOnly);
+	if (panel->icon)
+	{
+		WMPixmap *nicon;
+
+		panel->quarter[3] = XCreatePixmap(scr->display, WMWidgetXID(panel->parent), panel->icon->width/2, panel->icon->height/2, WMScreenDepth(scr));
+		XCopyArea(scr->display, WMGetPixmapXID(panel->icon), panel->quarter[3], gc, panel->icon->width/2, panel->icon->height/2, panel->icon->width/2, panel->icon->height/2,  0, 0);
+		nicon = WMCreatePixmapFromXPixmaps(scr, panel->quarter[3], WMGetPixmapMaskXID(panel->icon),
+                                     panel->icon->width/2, panel->icon->height/2, WMScreenDepth(scr));
+		WMSetLabelImage(panel->icornerL, nicon);
+		WMReleasePixmap(nicon);
+	}
+
+	panel->hcactionsT[3] = WMCreateTextField(panel->hcactionsF);
+	WMResizeWidget(panel->hcactionsT[3], 180, 20);
+	WMMoveWidget(panel->hcactionsT[3], 50, 107);
+
+	WMMapSubwidgets(panel->hcactionsF);
+
+	if (xis)
+		RReleaseImage(xis);
+	XFreeGC(scr->display, gc);
+
+	WMRealizeWidget(panel->box);
+	WMMapSubwidgets(panel->box);
+
+	showData(panel);
+}
+static void prepareForClose(_Panel *panel)
+{
+	int i;
+	WMScreen *scr = WMWidgetScreen(panel->parent);
+
+	WMReleasePixmap(panel->icon);
+	for (i = 0; i < sizeof(panel->quarter) / sizeof(Pixmap); i++)
+		XFreePixmap(scr->display, panel->quarter[i]);
+}
+
+Panel *InitHotCornerShortcuts(WMWidget *parent)
+{
+	_Panel *panel;
+
+	panel = wmalloc(sizeof(_Panel));
+
+	panel->sectionName = _("Hot Corner Shortcut Preferences");
+	panel->description = _("Choose actions to perform when you move the\n"
+			       "mouse pointer to the screen corners.");
+	panel->parent = parent;
+
+	panel->callbacks.createWidgets = createPanel;
+	panel->callbacks.updateDomain = storeData;
+	panel->callbacks.prepareForClose = prepareForClose;
+
+	AddSection(panel, ICON_FILE);
+
+	return panel;
+}

WPrefs.app/Makefile.am

@@ -35,6 +35,7 @@ WPrefs_SOURCES = \
 	Expert.c \
 	Focus.c \
 	FontSimple.c \
+	HotCornerShortcuts.c \
 	Icons.c \
 	KeyboardShortcuts.c \
 	Menu.c \

WPrefs.app/WPrefs.c

@@ -575,6 +575,7 @@ void Initialize(WMScreen * scr)
 	InitKeyboardSettings(WPrefs.banner);
 #endif
 	InitKeyboardShortcuts(WPrefs.banner);
+	InitHotCornerShortcuts(WPrefs.banner);
 	InitMouseSettings(WPrefs.banner);
 
 	InitAppearance(WPrefs.banner);

WPrefs.app/WPrefs.h

@@ -155,6 +155,7 @@ Panel *InitDocks(WMWidget *parent);
 Panel *InitExpert(WMWidget *parent);
 Panel *InitFocus(WMWidget *parent);
 Panel *InitFontSimple(WMWidget *parent);
+Panel *InitHotCornerShortcuts(WMWidget *parent);
 Panel *InitIcons(WMWidget *parent);
 Panel *InitKeyboardShortcuts(WMWidget *parent);
 Panel *InitMenu(WMWidget *parent);

WPrefs.app/po/Makefile.am

@@ -14,6 +14,7 @@ POTFILES  = \
 	$(top_srcdir)/WPrefs.app/Expert.c \
 	$(top_srcdir)/WPrefs.app/Focus.c \
 	$(top_srcdir)/WPrefs.app/FontSimple.c \
+	$(top_srcdir)/WPrefs.app/HotCornerShortcuts.c \
 	$(top_srcdir)/WPrefs.app/Icons.c \
 	$(top_srcdir)/WPrefs.app/KeyboardShortcuts.c \
 	$(top_srcdir)/WPrefs.app/Menu.c \

WPrefs.app/tiff/Makefile.am

@@ -15,6 +15,7 @@ dist_tiffdata_DATA = \
 	ergonomic.tiff \
 	expert.tiff \
 	fonts.tiff \
+	hotcorners.tiff \
 	iconprefs.tiff \
 	keyboard.tiff \
 	keyboardprefs.tiff \

WPrefs.app/xpm/Makefile.am

@@ -15,6 +15,7 @@ dist_xpmdata_DATA = \
 	ergonomic.xpm \
 	expert.xpm \
 	fonts.xpm \
+	hotcorners.xpm \
 	iconprefs.xpm \
 	keyboard.xpm \
 	keyboardprefs.xpm \

WPrefs.app/xpm/hotcorners.xpm

@@ -0,0 +1,137 @@
+/* XPM */
+static char * hotcorners_xpm[] = {
+"48 48 86 1",
+" 	c #2C2C2C",
+".	c #FEFEFE",
+"+	c #505075",
+"@	c #4E4E74",
+"#	c #515176",
+"$	c #4B4B72",
+"%	c #494971",
+"&	c #515175",
+"*	c #4F4F74",
+"=	c #4C4C73",
+"-	c #696984",
+";	c #545477",
+">	c #5E5E7D",
+",	c #676783",
+"'	c #58587A",
+")	c #5B5B7C",
+"!	c #B1B1BB",
+"~	c #A5A5B1",
+"{	c #A1A1AE",
+"]	c #AEAEB9",
+"^	c #79798F",
+"/	c #5C5C7C",
+"(	c #D5D5DA",
+"_	c #E6E6E9",
+":	c #E8E8EB",
+"<	c #EDEDEF",
+"[	c #E7E7EA",
+"}	c #FDFDFD",
+"|	c #FFFFFF",
+"1	c #EBEBEC",
+"2	c #7F7F93",
+"3	c #484871",
+"4	c #7B7B85",
+"5	c #EFEFEF",
+"6	c #A6A6A6",
+"7	c #292959",
+"8	c #464670",
+"9	c #8C8C96",
+"0	c #F4F4F4",
+"a	c #F5F5F6",
+"b	c #F2F2F2",
+"c	c #9797A6",
+"d	c #474770",
+"e	c #4D4D73",
+"f	c #9393A3",
+"g	c #F4F4F5",
+"h	c #F3F3F3",
+"i	c #EBEBEE",
+"j	c #6D6D87",
+"k	c #9D9DAB",
+"l	c #F9F9F9",
+"m	c #F1F1F1",
+"n	c #A5A5A5",
+"o	c #EAEAEA",
+"p	c #6A6A86",
+"q	c #D3D3D6",
+"r	c #717171",
+"s	c #848484",
+"t	c #9F9FA3",
+"u	c #47476F",
+"v	c #323256",
+"w	c #9B9B9A",
+"x	c #888889",
+"y	c #000012",
+"z	c #6B6B6D",
+"A	c #757587",
+"B	c #46466D",
+"C	c #3B3B47",
+"D	c #2E2E50",
+"E	c #242447",
+"F	c #838383",
+"G	c #919191",
+"H	c #202041",
+"I	c #4F4F73",
+"J	c #4E4E72",
+"K	c #232343",
+"L	c #4F4F4F",
+"M	c #252548",
+"N	c #505074",
+"O	c #3A3A57",
+"P	c #404060",
+"Q	c #505076",
+"R	c #49496B",
+"S	c #31314E",
+"T	c #2F2F49",
+"U	c #434362",
+"                                               .",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++@#$%&*=+++++++++++++++++++++++++++%-;>,')@++.",
+" ++)!~{]]^@++++++++++++++++++++++++++/(_:<[!#++.",
+" ++'[.}|12*++++++++++++++++++++++++++345||.~$++.",
+" ++,<||}67+++++++++++++++++++++++++++890||}{%++a",
+" ++>:|||bcd+++++++++++++++++++++++++efg||}|]&++.",
+" ++;_5h||ij+++++++++++++++++++++++++@kl|mno]*++.",
+" ++pqrshltu++++++++++++++++++++++++++vwoxyzAe++.",
+" ++BCDEFGHI++++++++++++++++++++++++++JKLMNOP+++.",
+" ++QR+*STJ++++++++++++++++++++++++++++JU*++++++.",
+" +++++++*++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++QR+*STJ++++++++++++++++++++++++++++JTS*+RQ++.",
+" ++BCDEFGHI++++++++++++++++++++++++++IHGFEDCB++.",
+" ++pqrshltu++++++++++++++++++++++++++utlhsrqp++.",
+" ++;_5h||ij++++++++++++++++++++++++++ji||h5_;++.",
+" ++>:|||bcd++++++++++++++++++++++++++dcb|||:>++.",
+" ++,<||}67++++++++++++++++++++++++++++76}||<,++.",
+" ++'[.}|12*++++++++++++++++++++++++++*21|}.['++.",
+" ++)!~{]]^@++++++++++++++++++++++++++@^]]{~!)++.",
+" ++@#$%&*=++++++++++++++++++++++++++++=*&%$#@++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+" ++++++++++++++++++++++++++++++++++++++++++++++.",
+"................................................"};

src/WindowMaker.h

@@ -474,6 +474,11 @@ extern struct WPreferences {
 
 	char show_clip_title;
 
+	char hot_corners;                  /* let corners execute actions */
+	int hot_corner_delay;		   /* Delay after which the hot corner is triggered */
+	int hot_corner_edge;		   /* Hot corner edge size */
+	char *hot_corner_actions[4];	   /* Action of each corner */
+
 	struct {
 #ifdef USE_ICCCM_WMREPLACE
 		unsigned int replace:1;               /* replace existing window manager */

src/defaults.c

@@ -151,6 +151,7 @@ static WDECallbackUpdate setSwPOptions;
 static WDECallbackUpdate updateUsableArea;
 
 static WDECallbackUpdate setModifierKeyLabels;
+static WDECallbackUpdate setHotCornerActions;
 
 static WDECallbackConvert getCursor;
 static WDECallbackUpdate setCursor;
@@ -525,6 +526,14 @@ WDefaultEntry optionList[] = {
 	{"KeepDockOnPrimaryHead", "NO", NULL,
 	    &wPreferences.keep_dock_on_primary_head, getBool, updateDock,
 	    NULL, NULL},
+	{"HotCorners", "NO", NULL,
+	    &wPreferences.hot_corners, getBool, NULL, NULL, NULL},
+	{"HotCornerDelay", "250", (void *)&wPreferences.hot_corner_delay,
+	    &wPreferences.hot_corner_delay, getInt, NULL, NULL, NULL},
+	{"HotCornerEdge", "2", (void *)&wPreferences.hot_corner_edge,
+	    &wPreferences.hot_corner_edge, getInt, NULL, NULL, NULL},
+	{"HotCornerActions", "(\"None\", \"None\", \"None\", \"None\")", &wPreferences,
+	    NULL, getPropList, setHotCornerActions, NULL, NULL},
 
 	/* style options */
 
@@ -3461,6 +3470,43 @@ static int setModifierKeyLabels(WScreen * scr, WDefaultEntry * entry, void *tdat
 	return 0;
 }
 
+static int setHotCornerActions(WScreen * scr, WDefaultEntry * entry, void *tdata, void *foo)
+{
+	WMPropList *array = tdata;
+	int i;
+	struct WPreferences *prefs = foo;
+
+	if (!WMIsPLArray(array) || WMGetPropListItemCount(array) != 4) {
+		wwarning(_("Value for option \"%s\" must be an array of 4 strings"), entry->key);
+		WMReleasePropList(array);
+		return 0;
+	}
+
+	DestroyWindowMenu(scr);
+
+	for (i = 0; i < 4; i++) {
+		if (prefs->hot_corner_actions[i])
+			wfree(prefs->hot_corner_actions[i]);
+
+		if (WMIsPLString(WMGetFromPLArray(array, i))) {
+			const char *val;
+			val = WMGetFromPLString(WMGetFromPLArray(array, i));
+			if (strcasecmp(val, "NONE") != 0)
+				prefs->hot_corner_actions[i] = wstrdup(val);
+			else
+				prefs->hot_corner_actions[i] = NULL;
+		} else {
+			wwarning(_("Invalid argument for option \"%s\" item %d"), entry->key, i);
+			prefs->hot_corner_actions[i] = NULL;
+		}
+	}
+
+	WMReleasePropList(array);
+
+	return 0;
+}
+
+
 static int setDoubleClick(WScreen *scr, WDefaultEntry *entry, void *tdata, void *foo)
 {
 	int *value = tdata;

src/event.c

@@ -1928,27 +1928,104 @@ static void handleKeyPress(XEvent * event)
 	}
 }
 
-static void handleMotionNotify(XEvent * event)
-{
-	WScreen *scr = wScreenForRootWindow(event->xmotion.root);
+#define CORNER_NONE 0
+#define CORNER_TOPLEFT 1
+#define CORNER_TOPRIGHT 2
+#define CORNER_BOTTOMLEFT 3
+#define CORNER_BOTTOMRIGHT 4
 
-	if (wPreferences.scrollable_menus) {
+static int get_corner(WMRect rect, WMPoint p)
+{
+	if (p.x <= (rect.pos.x + wPreferences.hot_corner_edge) && p.y <= (rect.pos.y + wPreferences.hot_corner_edge))
+		return CORNER_TOPLEFT;
+	if (p.x >= (rect.pos.x + rect.size.width - wPreferences.hot_corner_edge) && p.y <= (rect.pos.y + wPreferences.hot_corner_edge))
+		return CORNER_TOPRIGHT;
+	if (p.x <= (rect.pos.x + wPreferences.hot_corner_edge) && p.y >= (rect.pos.y + rect.size.height - wPreferences.hot_corner_edge))
+		return CORNER_BOTTOMLEFT;
+	if (p.x >= (rect.pos.x + rect.size.width - wPreferences.hot_corner_edge) && p.y >= (rect.pos.y + rect.size.height - wPreferences.hot_corner_edge))
+		return CORNER_BOTTOMRIGHT;
+	return CORNER_NONE;
+}
+
+static void hotCornerDelay(void *data)
+{
+	WScreen *scr = (WScreen *) data;
+	if (scr->flags.in_hot_corner && wPreferences.hot_corner_actions[scr->flags.in_hot_corner - 1])
+		ExecuteShellCommand(scr, wPreferences.hot_corner_actions[scr->flags.in_hot_corner - 1]);
+	WMDeleteTimerHandler(scr->hot_corner_timer);
+	scr->hot_corner_timer = NULL;
+}
+
+static void handleMotionNotify(XEvent *event)
+{
+	if (wPreferences.scrollable_menus || wPreferences.hot_corners) {
+		WScreen *scr = wScreenForRootWindow(event->xmotion.root);
 		WMPoint p = wmkpoint(event->xmotion.x_root, event->xmotion.y_root);
 		WMRect rect = wGetRectForHead(scr, wGetHeadForPoint(scr, p));
 
-		if (scr->flags.jump_back_pending ||
-		    p.x <= (rect.pos.x + 1) ||
-		    p.x >= (rect.pos.x + rect.size.width - 2) ||
-		    p.y <= (rect.pos.y + 1) || p.y >= (rect.pos.y + rect.size.height - 2)) {
-			WMenu *menu;
+		if (wPreferences.hot_corners) {
+			if (!scr->flags.in_hot_corner) {
+				scr->flags.in_hot_corner = get_corner(rect, p);
+				if (scr->flags.in_hot_corner && !scr->hot_corner_timer)
+					scr->hot_corner_timer = WMAddTimerHandler(wPreferences.hot_corner_delay, hotCornerDelay, scr);
+			} else {
+				int out_hot_corner = 0;
 
-			menu = wMenuUnderPointer(scr);
-			if (menu != NULL)
-				wMenuScroll(menu);
+				switch (scr->flags.in_hot_corner) {
+					case CORNER_TOPLEFT:
+						if ((p.x > (rect.pos.x + wPreferences.hot_corner_edge)) ||
+						    (p.y > (rect.pos.y + wPreferences.hot_corner_edge)))
+							out_hot_corner = 1;
+						break;
+					case CORNER_TOPRIGHT:
+						if ((p.x < (rect.pos.x + rect.size.width - wPreferences.hot_corner_edge)) ||
+						    (p.y > (rect.pos.y + wPreferences.hot_corner_edge)))
+							out_hot_corner = 1;
+						break;
+					case CORNER_BOTTOMLEFT:
+						if ((p.x > (rect.pos.x + wPreferences.hot_corner_edge)) ||
+						    (p.y < (rect.pos.y + rect.size.height - wPreferences.hot_corner_edge)))
+							out_hot_corner = 1;
+						break;
+					case CORNER_BOTTOMRIGHT:
+						if ((p.x < (rect.pos.x + rect.size.width - wPreferences.hot_corner_edge)) ||
+						    (p.y < (rect.pos.y + rect.size.height - wPreferences.hot_corner_edge)))
+							out_hot_corner = 1;
+						break;
+
+				}
+				if (out_hot_corner) {
+					scr->flags.in_hot_corner = CORNER_NONE;
+					if (scr->hot_corner_timer) {
+						WMDeleteTimerHandler(scr->hot_corner_timer);
+						scr->hot_corner_timer = NULL;
+					}
+				}
+
+			}
+		}
+
+		if (wPreferences.scrollable_menus) {
+			if (scr->flags.jump_back_pending ||
+			    p.x <= (rect.pos.x + 1) ||
+			    p.x >= (rect.pos.x + rect.size.width - 2) ||
+			    p.y <= (rect.pos.y + 1) || p.y >= (rect.pos.y + rect.size.height - 2)) {
+				WMenu *menu;
+
+				menu = wMenuUnderPointer(scr);
+				if (menu != NULL)
+					wMenuScroll(menu);
+			}
 		}
 	}
 }
 
+#undef CORNER_NONE
+#undef CORNER_TOPLEFT
+#undef CORNER_TOPRIGHT
+#undef CORNER_BOTTOMLEFT
+#undef CORNER_BOTTOMRIGHT
+
 static void handleVisibilityNotify(XEvent * event)
 {
 	WWindow *wwin;

src/screen.h

@@ -295,6 +295,8 @@ typedef struct _WScreen {
     WMHandlerID *autoRaiseTimer;
     Window autoRaiseWindow;	       /* window that is scheduled to be
                                         * raised */
+    /* for hot-corners delay */
+    WMHandlerID *hot_corner_timer;
 
     /* for window shortcuts */
     WMArray *shortcutWindows[MAX_WINDOW_SHORTCUTS];
@@ -323,6 +325,7 @@ typedef struct _WScreen {
         unsigned int doing_alt_tab:1;
         unsigned int jump_back_pending:1;
         unsigned int ignore_focus_events:1;
+        unsigned int in_hot_corner:3;
     } flags;
 } WScreen;