Left Half / Right Half Maximize

This adds Left Half / Right Half Maximize capability to WindowMaker.
It allows you to maximize a window to only the left or right half
of your screen.

It is useful on widescreen displays where one might to bring up
two different windows side-by-side.

WPrefs.app/KeyboardShortcuts.c

@@ -72,6 +72,8 @@ static char *keyOptions[] = {
 	"MaximizeKey",
 	"VMaximizeKey",
 	"HMaximizeKey",
+	"LHMaximizeKey",
+	"RHMaximizeKey",
 	"RaiseKey",
 	"LowerKey",
 	"RaiseLowerKey",
@@ -473,6 +475,8 @@ static void createPanel(Panel * p)
 	WMAddListItem(panel->actLs, _("Maximize active window"));
 	WMAddListItem(panel->actLs, _("Maximize active window vertically"));
 	WMAddListItem(panel->actLs, _("Maximize active window horizontally"));
+	WMAddListItem(panel->actLs, _("Maximize active window left half"));
+	WMAddListItem(panel->actLs, _("Maximize active window right half"));
 	WMAddListItem(panel->actLs, _("Raise active window"));
 	WMAddListItem(panel->actLs, _("Lower active window"));
 	WMAddListItem(panel->actLs, _("Raise/Lower window under mouse pointer"));

src/actions.c

@@ -394,7 +394,7 @@ void wMaximizeWindow(WWindow * wwin, int directions)
 		wUnshadeWindow(wwin);
 	}
 	/* Only save directions, not kbd or xinerama hints */
-	directions &= (MAX_HORIZONTAL | MAX_VERTICAL);
+	directions &= (MAX_HORIZONTAL|MAX_VERTICAL|MAX_LEFTHALF|MAX_RIGHTHALF);
 
 	changed_h = ((wwin->flags.maximized ^ directions) & MAX_HORIZONTAL);
 	changed_v = ((wwin->flags.maximized ^ directions) & MAX_VERTICAL);
@@ -407,7 +407,7 @@ void wMaximizeWindow(WWindow * wwin, int directions)
 		 * allow succesive maximizations in different directions without
 		 * the need to first do an un-maximize (to avoid flicker).
 		 */
-		if (!(wwin->flags.maximized & MAX_HORIZONTAL)) {
+		if (!(wwin->flags.maximized & (MAX_HORIZONTAL|MAX_LEFTHALF|MAX_RIGHTHALF))) {
 			wwin->old_geometry.x = wwin->frame_x;
 		}
 		if (!(wwin->flags.maximized & MAX_VERTICAL)) {
@@ -426,6 +426,16 @@ void wMaximizeWindow(WWindow * wwin, int directions)
 		if (HAS_BORDER(wwin))
 			new_width -= FRAME_BORDER_WIDTH * 2;
 		new_x = usableArea.x1;
+	} else if (directions & MAX_LEFTHALF) {
+		new_width = (usableArea.x2 - usableArea.x1)/2;
+		if (HAS_BORDER(wwin))
+			new_width -= FRAME_BORDER_WIDTH * 2;
+		new_x = usableArea.x1;
+	} else if (directions & MAX_RIGHTHALF) {
+		new_width = (usableArea.x2 - usableArea.x1)/2;
+		if (HAS_BORDER(wwin))
+			new_width -= FRAME_BORDER_WIDTH * 2;
+		new_x = usableArea.x1+((usableArea.x2 - usableArea.x1)/2);
 	} else if (shrink_h) {
 		new_x = wwin->old_geometry.x;
 		new_width = wwin->old_geometry.width;
@@ -478,7 +488,7 @@ void wUnmaximizeWindow(WWindow * wwin)
 		wwin->flags.skip_next_animation = 1;
 		wUnshadeWindow(wwin);
 	}
-	x = ((wwin->flags.maximized & MAX_HORIZONTAL) && wwin->old_geometry.x) ?
+	x = ((wwin->flags.maximized & (MAX_HORIZONTAL|MAX_LEFTHALF|MAX_RIGHTHALF)) && wwin->old_geometry.x) ?
 	    wwin->old_geometry.x : wwin->frame_x;
 	y = ((wwin->flags.maximized & MAX_VERTICAL) && wwin->old_geometry.y) ?
 	    wwin->old_geometry.y : wwin->frame_y;

src/actions.h

@@ -26,8 +26,10 @@
 
 #define MAX_HORIZONTAL 	1
 #define MAX_VERTICAL 	2
-#define MAX_IGNORE_XINERAMA 4
+#define MAX_LEFTHALF	4
-#define MAX_KEYBOARD 8
+#define MAX_RIGHTHALF	8
+#define MAX_IGNORE_XINERAMA 16
+#define MAX_KEYBOARD 32
 
 void wSetFocusTo(WScreen *scr, WWindow *wwin);
 

src/defaults.c

@@ -579,6 +579,10 @@ WDefaultEntry optionList[] = {
 	 NULL, getKeybind, setKeyGrab},
 	{"HMaximizeKey", "None", (void *)WKBD_HMAXIMIZE,
 	 NULL, getKeybind, setKeyGrab},
+	{"LHMaximizeKey", "None", (void*)WKBD_LHMAXIMIZE,
+	 NULL, getKeybind, setKeyGrab},
+	{"RHMaximizeKey", "None", (void*)WKBD_RHMAXIMIZE,
+	 NULL, getKeybind, setKeyGrab},
 	{"RaiseKey", "\"Meta+Up\"", (void *)WKBD_RAISE,
 	 NULL, getKeybind, setKeyGrab},
 	{"LowerKey", "\"Meta+Down\"", (void *)WKBD_LOWER,

src/event.c

@@ -1471,6 +1471,32 @@ static void handleKeyPress(XEvent * event)
 			}
 		}
 		break;
+	case WKBD_LHMAXIMIZE:
+		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
+			int newdir = (MAX_VERTICAL|MAX_LEFTHALF);
+
+			CloseWindowMenu(scr);
+
+			if (wwin->flags.maximized == newdir) {
+				wUnmaximizeWindow(wwin);
+			} else {
+				wMaximizeWindow(wwin, newdir|MAX_KEYBOARD);
+			}
+		}
+		break;
+	case WKBD_RHMAXIMIZE:
+		if (ISMAPPED(wwin) && ISFOCUSED(wwin) && IS_RESIZABLE(wwin)) {
+			int newdir = (MAX_VERTICAL|MAX_RIGHTHALF);
+
+			CloseWindowMenu(scr);
+
+			if (wwin->flags.maximized == newdir) {
+				wUnmaximizeWindow(wwin);
+			} else {
+				wMaximizeWindow(wwin, newdir|MAX_KEYBOARD);
+			}
+		}
+		break;
 	case WKBD_RAISE:
 		if (ISMAPPED(wwin) && ISFOCUSED(wwin)) {
 			CloseWindowMenu(scr);

src/keybind.h

@@ -32,57 +32,59 @@
 #define WKBD_MAXIMIZE           6
 #define WKBD_VMAXIMIZE          7
 #define WKBD_HMAXIMIZE          8
-#define WKBD_SELECT             9
+#define WKBD_LHMAXIMIZE	        9
+#define WKBD_RHMAXIMIZE	        10
+#define WKBD_SELECT             11
 /* Clip */
-#define WKBD_CLIPLOWER          10
+#define WKBD_CLIPLOWER          12
-#define WKBD_CLIPRAISE		11
+#define WKBD_CLIPRAISE		13
-#define WKBD_CLIPRAISELOWER	12
+#define WKBD_CLIPRAISELOWER	14
 /* window */
-#define WKBD_RAISE		13
+#define WKBD_RAISE		15
-#define WKBD_LOWER		14
+#define WKBD_LOWER		16
-#define WKBD_RAISELOWER		15
+#define WKBD_RAISELOWER		17
-#define WKBD_MOVERESIZE		16
+#define WKBD_MOVERESIZE		18
-#define WKBD_SHADE		17
+#define WKBD_SHADE		19
 /* window, menu */
-#define WKBD_CLOSE		18
+#define WKBD_CLOSE		20
 /* window */
-#define WKBD_FOCUSNEXT		19
+#define WKBD_FOCUSNEXT		21
-#define WKBD_FOCUSPREV          20
+#define WKBD_FOCUSPREV          22
 
-#define WKBD_WORKSPACE1		21
+#define WKBD_WORKSPACE1		23
-#define WKBD_WORKSPACE2		22
+#define WKBD_WORKSPACE2		24
-#define WKBD_WORKSPACE3		23
+#define WKBD_WORKSPACE3		25
-#define WKBD_WORKSPACE4		24
+#define WKBD_WORKSPACE4		26
-#define WKBD_WORKSPACE5		25
+#define WKBD_WORKSPACE5		27
-#define WKBD_WORKSPACE6		26
+#define WKBD_WORKSPACE6		28
-#define WKBD_WORKSPACE7		27
+#define WKBD_WORKSPACE7		29
-#define WKBD_WORKSPACE8		28
+#define WKBD_WORKSPACE8		30
-#define WKBD_WORKSPACE9		29
+#define WKBD_WORKSPACE9		31
-#define WKBD_WORKSPACE10	30
+#define WKBD_WORKSPACE10	32
-#define WKBD_NEXTWORKSPACE	31
+#define WKBD_NEXTWORKSPACE	33
-#define WKBD_PREVWORKSPACE	32
+#define WKBD_PREVWORKSPACE	34
-#define WKBD_NEXTWSLAYER	33
+#define WKBD_NEXTWSLAYER	35
-#define WKBD_PREVWSLAYER	34
+#define WKBD_PREVWSLAYER	36
 
 /* window shortcuts */
-#define WKBD_WINDOW1		35
+#define WKBD_WINDOW1		37
-#define WKBD_WINDOW2		36
+#define WKBD_WINDOW2		38
-#define WKBD_WINDOW3		37
+#define WKBD_WINDOW3		39
-#define WKBD_WINDOW4		38
+#define WKBD_WINDOW4		40
-#define WKBD_WINDOW5		39
+#define WKBD_WINDOW5		41
-#define WKBD_WINDOW6		40
+#define WKBD_WINDOW6		42
-#define WKBD_WINDOW7		41
+#define WKBD_WINDOW7		43
-#define WKBD_WINDOW8		42
+#define WKBD_WINDOW8		44
-#define WKBD_WINDOW9		43
+#define WKBD_WINDOW9		45
-#define WKBD_WINDOW10		44
+#define WKBD_WINDOW10		46
 
-#define WKBD_SWITCH_SCREEN      45
+#define WKBD_SWITCH_SCREEN      47
 
 #ifdef KEEP_XKB_LOCK_STATUS
-# define WKBD_TOGGLE		46
+# define WKBD_TOGGLE		48
-# define WKBD_TMP		47
+# define WKBD_TMP		49
 #else
-# define WKBD_TMP		46
+# define WKBD_TMP		48
 #endif
 
 #ifdef VIRTUAL_DESKTOP

src/window.h

@@ -258,7 +258,7 @@ typedef struct WWindow {
         unsigned int miniaturized:1;
         unsigned int hidden:1;
         unsigned int shaded:1;
-        unsigned int maximized:2;
+		unsigned int maximized:4;
         unsigned int fullscreen:1;
         unsigned int omnipresent:1;