From 25ffe6b566379f25dd3cf7e74aeefd084b7e1b19 Mon Sep 17 00:00:00 2001
From: Dana Jansens <danakj@orodu.net>
Date: Thu, 17 Apr 2003 06:17:06 +0000
Subject: [PATCH] add support for interactive/keyboard move/resize

---
 openbox/focus.c      |   6 +-
 openbox/moveresize.c | 168 +++++++++++++++++++++++++++++++------------
 openbox/moveresize.h |   2 +
 openbox/openbox.c    |  11 +++
 openbox/openbox.h    |   3 +
 5 files changed, 141 insertions(+), 49 deletions(-)

diff --git a/openbox/focus.c b/openbox/focus.c
index e5d3942f..cd08ab68 100644
--- a/openbox/focus.c
+++ b/openbox/focus.c
@@ -106,12 +106,10 @@ void focus_set_client(Client *client)
 
 static gboolean focus_under_pointer()
 {
-    Window w;
-    int i, x, y;
-    guint u;
+    int x, y;
     GList *it;
 
-    if (XQueryPointer(ob_display, ob_root, &w, &w, &x, &y, &i, &i, &u)) {
+    if (ob_pointer_pos(&x, &y)) {
         for (it = stacking_list; it != NULL; it = it->next) {
             Client *c = it->data;
             if (c->desktop == screen_desktop &&
diff --git a/openbox/moveresize.c b/openbox/moveresize.c
index c8263179..2bee161e 100644
--- a/openbox/moveresize.c
+++ b/openbox/moveresize.c
@@ -19,9 +19,22 @@ static guint button;
 static guint32 corner;
 static Corner lockcorner;
 
+static guint button_return, button_escape, button_left, button_right,
+    button_up, button_down;
+
 #define POPUP_X (10)
 #define POPUP_Y (10)
 
+void moveresize_startup()
+{
+    button_return = XKeysymToKeycode(ob_display, XStringToKeysym("Return"));
+    button_escape = XKeysymToKeycode(ob_display, XStringToKeysym("Escape"));
+    button_left = XKeysymToKeycode(ob_display, XStringToKeysym("Left"));
+    button_right = XKeysymToKeycode(ob_display, XStringToKeysym("Right"));
+    button_up = XKeysymToKeycode(ob_display, XStringToKeysym("Up"));
+    button_down = XKeysymToKeycode(ob_display, XStringToKeysym("Down"));
+}
+
 static void popup_coords(char *format, int a, int b)
 {
     XSetWindowAttributes attrib;
@@ -57,14 +70,25 @@ void moveresize_start(Client *c, int x, int y, guint b, guint32 cnr)
     start_cy = c->frame->area.y;
     start_cw = c->area.width;
     start_ch = c->area.height;
-    start_x = x;
-    start_y = y;
-    button = b;
+    if (corner == prop_atoms.net_wm_moveresize_move_keyboard ||
+        corner == prop_atoms.net_wm_moveresize_size_keyboard)
+        button = 0; /* mouse can't end it without being pressed first */
+    else
+        button = b;
     corner = cnr;
 
+    if (corner == prop_atoms.net_wm_moveresize_move ||
+        corner == prop_atoms.net_wm_moveresize_move_keyboard) {
+        cur_x = start_cx;
+        cur_y = start_cy;
+        moving = TRUE;
+    } else {
+        cur_x = start_cw;
+        cur_y = start_ch;
+        moving = FALSE;
+    }
+
     moveresize_in_progress = TRUE;
-    moving = (corner == prop_atoms.net_wm_moveresize_move ||
-              corner == prop_atoms.net_wm_moveresize_move_keyboard);
 
     if (corner == prop_atoms.net_wm_moveresize_size_topleft)
         cur = ob_cursors.tl;
@@ -95,23 +119,77 @@ void moveresize_start(Client *c, int x, int y, guint b, guint32 cnr)
     grab_pointer(TRUE, cur);
 }
 
+static void end_moveresize(gboolean cancel)
+{
+    grab_keyboard(FALSE);
+    grab_pointer(FALSE, None);
+
+    XDestroyWindow(ob_display, coords);
+    coords = None;
+
+    moveresize_in_progress = FALSE;
+
+    if (moving) {
+        client_configure(client, Corner_TopLeft, (cancel ? start_cx : cur_x),
+                         (cancel ? start_cy : cur_y),
+                         start_cw, start_ch, TRUE, TRUE);
+    } else {
+        client_configure(client, lockcorner, client->area.x,
+                         client->area.y, (cancel ? start_cw : cur_x),
+                         (cancel ? start_ch : cur_y), TRUE, TRUE);
+    }
+}
+
+static void do_move()
+{
+    dispatch_move(client, &cur_x, &cur_y);
+
+    popup_coords("X:  %d  Y:  %d", cur_x, cur_y);
+
+    /* get where the client should be */
+    frame_frame_gravity(client->frame, &cur_x, &cur_y);
+    client_configure(client, Corner_TopLeft, cur_x, cur_y,
+                     start_cw, start_ch, TRUE, FALSE);
+}
+
+static void do_resize()
+{
+    /* dispatch_resize needs the frame size */
+    cur_x += client->frame->size.left + client->frame->size.right;
+    cur_y += client->frame->size.top + client->frame->size.bottom;
+
+    dispatch_resize(client, &cur_x, &cur_y, lockcorner);
+
+    cur_x -= client->frame->size.left + client->frame->size.right;
+    cur_y -= client->frame->size.top + client->frame->size.bottom;
+    
+    client_configure(client, lockcorner, client->area.x,
+                     client->area.y, cur_x, cur_y, TRUE, FALSE);
+
+    popup_coords("W:  %d  H:  %d", client->logical_size.width,
+                 client->logical_size.height);
+}
+
 void moveresize_event(XEvent *e)
 {
     g_assert(moveresize_in_progress);
 
-    if (e->type == MotionNotify) {
+    if (e->type == ButtonPress) {
+        if (!button) {
+            start_x = e->xbutton.x_root;
+            start_y = e->xbutton.y_root;
+            button = e->xbutton.button; /* this will end it now */
+        }
+    } else if (e->type == ButtonRelease) {
+        if (e->xbutton.button == button) {
+            end_moveresize(FALSE);
+        }
+    } else if (e->type == MotionNotify) {
         if (moving) {
             cur_x = start_cx + e->xmotion.x_root - start_x;
             cur_y = start_cy + e->xmotion.y_root - start_y;
 
-            dispatch_move(client, &cur_x, &cur_y);
-
-            popup_coords("X:  %d  Y:  %d", cur_x, cur_y);
-
-            /* get where the client should be */
-            frame_frame_gravity(client->frame, &cur_x, &cur_y);
-            client_configure(client, Corner_TopLeft, cur_x, cur_y,
-                             start_cw, start_ch, TRUE, FALSE);
+            do_move();
         } else {
             if (corner == prop_atoms.net_wm_moveresize_size_topleft) {
                 cur_x = start_cw - (e->xmotion.x_root - start_x);
@@ -154,39 +232,39 @@ void moveresize_event(XEvent *e)
             } else
                 g_assert_not_reached();
 
-            /* dispatch_resize needs the frame size */
-            cur_x += client->frame->size.left + client->frame->size.right;
-            cur_y += client->frame->size.top + client->frame->size.bottom;
-
-            dispatch_resize(client, &cur_x, &cur_y, lockcorner);
-
-            cur_x -= client->frame->size.left + client->frame->size.right;
-            cur_y -= client->frame->size.top + client->frame->size.bottom;
-    
-            client_configure(client, lockcorner, client->area.x,
-                             client->area.y, cur_x, cur_y, TRUE, FALSE);
-
-            popup_coords("W:  %d  H:  %d", client->logical_size.width,
-                         client->logical_size.height);
+            do_resize();
         }
-    } else if (e->type == ButtonRelease) {
-        if (e->xbutton.button == button) {
-            grab_keyboard(FALSE);
-            grab_pointer(FALSE, None);
-
-            XDestroyWindow(ob_display, coords);
-            coords = None;
-
-            moveresize_in_progress = FALSE;
-
-            if (moving) {
-                client_configure(client, Corner_TopLeft, cur_x, cur_y,
-                                 start_cw, start_ch, TRUE, TRUE);
-            } else {
-                client_configure(client, lockcorner, client->area.x,
-                                 client->area.y, cur_x, cur_y, TRUE, TRUE);
+    } else if (e->type == KeyPress) {
+        if (e->xkey.keycode == button_escape)
+            end_moveresize(TRUE);
+        else if (e->xkey.keycode == button_return)
+            end_moveresize(FALSE);
+        else {
+            if (corner == prop_atoms.net_wm_moveresize_size_keyboard) {
+                if (e->xkey.keycode == button_right)
+                    cur_x += MAX(4, client->size_inc.width);
+                else if (e->xkey.keycode == button_left)
+                    cur_x -= MAX(4, client->size_inc.width);
+                else if (e->xkey.keycode == button_down)
+                    cur_y += MAX(4, client->size_inc.height);
+                else if (e->xkey.keycode == button_up)
+                    cur_y -= MAX(4, client->size_inc.height);
+                else
+                    return;
+                do_resize();
+            } else if (corner == prop_atoms.net_wm_moveresize_move_keyboard) {
+                if (e->xkey.keycode == button_right)
+                    cur_x += 4;
+                else if (e->xkey.keycode == button_left)
+                    cur_x -= 4;
+                else if (e->xkey.keycode == button_down)
+                    cur_y += 4;
+                else if (e->xkey.keycode == button_up)
+                    cur_y -= 4;
+                else
+                    return;
+                do_move();
             }
         }
-    } else if (e->type == KeyPress) {
     }
 }
diff --git a/openbox/moveresize.h b/openbox/moveresize.h
index 971ad359..3b8b3c6a 100644
--- a/openbox/moveresize.h
+++ b/openbox/moveresize.h
@@ -7,6 +7,8 @@
 
 extern gboolean moveresize_in_progress;
 
+void moveresize_startup();
+
 void moveresize_start(Client *c, int x, int y, guint b, guint32 corner);
 
 void moveresize_event(XEvent *e);
diff --git a/openbox/openbox.c b/openbox/openbox.c
index 980aceb4..3c2dfc28 100644
--- a/openbox/openbox.c
+++ b/openbox/openbox.c
@@ -7,6 +7,7 @@
 #include "prop.h"
 #include "screen.h"
 #include "focus.h"
+#include "moveresize.h"
 #include "frame.h"
 #include "extensions.h"
 #include "parse.h"
@@ -165,6 +166,7 @@ int main(int argc, char **argv)
 	font_startup();
         theme_startup();
 	event_startup();
+        moveresize_startup();
         grab_startup();
         plugin_startup();
         /* load the plugins specified in the pluginrc */
@@ -322,3 +324,12 @@ void parse_args(int argc, char **argv)
         }
     }
 }
+
+gboolean ob_pointer_pos(int *x, int *y)
+{
+    Window w;
+    int i, x, y;
+    guint u;
+
+    return !!XQueryPointer(ob_display, ob_root, &w, &w, x, y, &i, &i, &u);
+}
diff --git a/openbox/openbox.h b/openbox/openbox.h
index 70e51136..932c3e3e 100644
--- a/openbox/openbox.h
+++ b/openbox/openbox.h
@@ -47,4 +47,7 @@ extern Cursors ob_cursors;
 /*! The path of the rc file. If NULL the default paths are searched for one. */
 extern char *ob_rc_path;
 
+/* cuz i have nowhere better to put it right now... */
+gboolean ob_pointer_pos(int *x, int *y);
+
 #endif
-- 
2.45.2