From 6e2075f3dfb7c9f8ca7ac447d47c715b945dd9c0 Mon Sep 17 00:00:00 2001
From: Alexander Komarov <ignusius@gmail.com>
Date: Mon, 10 Aug 2020 13:47:23 +0300
Subject: [PATCH] Double click on titlebar maximize a window to fullscreen

---
 WPrefs.app/Expert.c |  5 ++++-
 src/WindowMaker.h   |  1 +
 src/defaults.c      |  4 +++-
 src/window.c        | 22 ++++++++++++++++++----
 4 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/WPrefs.app/Expert.c b/WPrefs.app/Expert.c
index f2cbe09c..b1a8e9bd 100644
--- a/WPrefs.app/Expert.c
+++ b/WPrefs.app/Expert.c
@@ -113,7 +113,10 @@ static const struct {
 	  /* default: */ False, OPTION_WMAKER, "OpenTransientOnOwnerWorkspace" },
 
 	{ N_("Wrap dock-attached icons around the screen edges."),
-	  /* default: */ True, OPTION_WMAKER, "WrapAppiconsInDock" }
+	  /* default: */ True, OPTION_WMAKER, "WrapAppiconsInDock" },
+	  
+	{ N_("Double click on titlebar maximize a window to full screen."),
+	  /* default: */ False, OPTION_WMAKER, "DbClickFullScreen" }
 
 };
 
diff --git a/src/WindowMaker.h b/src/WindowMaker.h
index 4b718ec4..b4f3a885 100644
--- a/src/WindowMaker.h
+++ b/src/WindowMaker.h
@@ -453,6 +453,7 @@ extern struct WPreferences {
 	int history_lines;                  /* history of "Run..." dialog */
 	char cycle_active_head_only;        /* Cycle only windows on the active head */
 	char cycle_ignore_minimized;        /* Ignore minimized windows when cycling */
+	char double_click_fullscreen;       /* Double click on titlebar maximize a window to full screen*/
 	char strict_windoze_cycle;          /* don't close switch panel when shift is released */
 	char panel_only_open;               /* Only open the switch panel; don't switch */
 	int minipreview_size;               /* Size of Mini-Previews in pixels */
diff --git a/src/defaults.c b/src/defaults.c
index 3caa5047..11c438f2 100644
--- a/src/defaults.c
+++ b/src/defaults.c
@@ -825,7 +825,9 @@ WDefaultEntry optionList[] = {
 	{"CycleActiveHeadOnly", "NO", NULL,
 	    &wPreferences.cycle_active_head_only, getBool, NULL, NULL, NULL},
 	{"CycleIgnoreMinimized", "NO", NULL,
-	    &wPreferences.cycle_ignore_minimized, getBool, NULL, NULL, NULL}
+	    &wPreferences.cycle_ignore_minimized, getBool, NULL, NULL, NULL},
+	{"DbClickFullScreen", "NO", NULL,
+	    &wPreferences.double_click_fullscreen, getBool, NULL, NULL, NULL}
 };
 
 static void initDefaults(void)
diff --git a/src/window.c b/src/window.c
index a276f483..bf6e6e39 100644
--- a/src/window.c
+++ b/src/window.c
@@ -2849,15 +2849,28 @@ static void titlebarDblClick(WCoreWindow *sender, void *data, XEvent *event)
 
 	event->xbutton.state &= w_global.shortcut.modifiers_mask;
 
-	if (event->xbutton.button == Button1) {
-		if (event->xbutton.state == 0) {
-			if (!WFLAGP(wwin, no_shadeable)) {
+	if (event->xbutton.button == Button1 ) {
+		if (event->xbutton.state == 0 ) {
+			if (!WFLAGP(wwin, no_shadeable) & !wPreferences.double_click_fullscreen) {
 				/* shade window */
 				if (wwin->flags.shaded)
 					wUnshadeWindow(wwin);
 				else
 					wShadeWindow(wwin);
-			}
+			} 
+		}
+		
+		if (wPreferences.double_click_fullscreen){
+			int dir = 0;
+			if (event->xbutton.state == 0) {
+				/* maximize window full screen*/
+				dir |= (MAX_VERTICAL|MAX_HORIZONTAL);
+				int ndir = dir ^ wwin->flags.maximized;
+					wMaximizeWindow(wwin, ndir, wGetHeadForWindow(wwin));
+			
+			} 
+
+					
 		} else {
 			int dir = 0;
 
@@ -2871,6 +2884,7 @@ static void titlebarDblClick(WCoreWindow *sender, void *data, XEvent *event)
 			}
 
 			/* maximize window */
+			
 			if (dir != 0 && IS_RESIZABLE(wwin)) {
 				int ndir = dir ^ wwin->flags.maximized;