]> Dogcows Code - chaz/openbox/blobdiff - plugins/mouse/mouse.c
don't snap to non-visibles
[chaz/openbox] / plugins / mouse / mouse.c
index 7b129c89e5f0dae2dafb5ca8ae931dba783329d2..ae4cc60ba072c58e6bf6b9cb9724dade6b53bfb7 100644 (file)
+#include "../../kernel/openbox.h"
 #include "../../kernel/dispatch.h"
+#include "../../kernel/action.h"
+#include "../../kernel/client.h"
+#include "../../kernel/frame.h"
+#include "../../kernel/grab.h"
+#include "../../kernel/engine.h"
+#include "translate.h"
+#include "mouse.h"
 #include <glib.h>
 
-void my_powerful_function() {}
+static int drag_threshold = 3;
+
+/* GData of GSList*s of PointerBinding*s. */
+static GData *bound_contexts;
+
+struct foreach_grab_temp {
+    Client *client;
+    gboolean grab;
+};
+
+static void foreach_grab(GQuark key, gpointer data, gpointer user_data)
+{
+    struct foreach_grab_temp *d = user_data;
+    GSList *it;
+    for (it = data; it != NULL; it = it->next) {
+        /* grab/ungrab the button */
+       MouseBinding *b = it->data;
+        Window win;
+        int mode;
+        unsigned int mask;
+
+        if (key == g_quark_try_string("frame")) {
+            win = d->client->frame->window;
+            mode = GrabModeAsync;
+            mask = ButtonPressMask | ButtonMotionMask | ButtonReleaseMask;
+        } else if (key == g_quark_try_string("client")) {
+            win = d->client->frame->plate;
+            mode = GrabModeSync; /* this is handled in event */
+            mask = ButtonPressMask; /* can't catch more than this with Sync
+                                       mode the release event is manufactured
+                                       in event */
+        } else return;
+
+        if (d->grab)
+            grab_button(b->button, b->state, win, mask, mode);
+        else
+            ungrab_button(b->button, b->state, win);
+    }
+}
+  
+static void grab_for_client(Client *client, gboolean grab)
+{
+    struct foreach_grab_temp bt;
+    bt.client = client;
+    bt.grab = grab;
+    g_datalist_foreach(&bound_contexts, foreach_grab, &bt);
+}
+
+static void grab_all_clients(gboolean grab)
+{
+    GSList *it;
+
+    for (it = client_list; it != NULL; it = it->next)
+       grab_for_client(it->data, grab);
+}
+
+static void foreach_clear(GQuark key, gpointer data, gpointer user_data)
+{
+    GSList *it;
+    user_data = user_data;
+    for (it = data; it != NULL; it = it->next) {
+       int i;
+
+        MouseBinding *b = it->data;
+       for (i = 0; i < NUM_MOUSEACTION; ++i)
+            if (b->action[i] != NULL)
+                action_free(b->action[i]);
+        g_free(b);
+    }
+    g_slist_free(data);
+}
+
+static void fire_button(MouseAction a, GQuark context, Client *c, guint state,
+                        guint button)
+{
+    GSList *it;
+    MouseBinding *b;
+
+    for (it = g_datalist_id_get_data(&bound_contexts, context);
+         it != NULL; it = it->next) {
+        b = it->data;
+        if (b->state == state && b->button == button)
+            break;
+    }
+    /* if not bound, then nothing to do! */
+    if (it == NULL) return;
+
+    if (b->action[a] != NULL && b->action[a]->func != NULL) {
+        b->action[a]->data.any.c = c;
+
+        g_assert(!(b->action[a]->func == action_move ||
+                   b->action[a]->func == action_resize));
+
+        b->action[a]->func(&b->action[a]->data);
+    }
+}
+
+/* corner should be the opposite corner of the window in which the pointer
+   clicked, Corner_TopLeft if a good default if there is no client */
+static void fire_motion(MouseAction a, GQuark context, Client *c, guint state,
+                        guint button, int cx, int cy, int cw, int ch,
+                        int dx, int dy, gboolean final, Corner corner)
+{
+    GSList *it;
+    MouseBinding *b;
+
+    for (it = g_datalist_id_get_data(&bound_contexts, context);
+         it != NULL; it = it->next) {
+        b = it->data;
+        if (b->state == state && b->button == button)
+               break;
+    }
+    /* if not bound, then nothing to do! */
+    if (it == NULL) return;
+
+    if (b->action[a] != NULL && b->action[a]->func != NULL) {
+        b->action[a]->data.any.c = c;
+
+        if (b->action[a]->func == action_move) {
+            b->action[a]->data.move.x = cx + dx;
+            b->action[a]->data.move.y = cy + dy;
+            b->action[a]->data.move.final = final;
+        } else if (b->action[a]->func == action_resize) {
+            b->action[a]->data.resize.corner = corner;
+            switch (corner) {
+            case Corner_TopLeft:
+                b->action[a]->data.resize.x = cw + dx;
+                b->action[a]->data.resize.y = ch + dy;
+                break;
+            case Corner_TopRight:
+                b->action[a]->data.resize.x = cw - dx;
+                b->action[a]->data.resize.y = ch + dy;
+                break;
+            case Corner_BottomLeft:
+                b->action[a]->data.resize.x = cw + dx;
+                b->action[a]->data.resize.y = ch - dy;
+                break;
+            case Corner_BottomRight:
+                b->action[a]->data.resize.x = cw - dx;
+                b->action[a]->data.resize.y = ch - dy;
+                break;
+            }
+            b->action[a]->data.resize.final = final;
+        }
+        b->action[a]->func(&b->action[a]->data);
+    }
+}
+
+static Corner pick_corner(int x, int y, int cx, int cy, int cw, int ch)
+{
+    if (x - cx < cw / 2) {
+        if (y - cy < ch / 2)
+            return Corner_BottomRight;
+        else
+            return Corner_TopRight;
+    } else {
+        if (y - cy < ch / 2)
+            return Corner_BottomLeft;
+        else
+            return Corner_TopLeft;
+    }
+}
 
 static void event(ObEvent *e, void *foo)
 {
+    static Time ltime;
+    static int px, py, cx, cy, cw, ch, dx, dy;
+    static guint button = 0, lbutton = 0;
+    static gboolean drag = FALSE;
+    static Corner corner = Corner_TopLeft;
+    gboolean click = FALSE;
+    gboolean dclick = FALSE;
+    GQuark context;
+
     switch (e->type) {
-    case Event_X_ButtonPress:
+    case Event_Client_Mapped:
+        grab_for_client(e->data.c.client, TRUE);
         break;
+
+    case Event_Client_Destroy:
+        grab_for_client(e->data.c.client, FALSE);
+        break;
+
+    case Event_X_ButtonPress:
+        if (!button) {
+            if (e->data.x.client != NULL) {
+                cx = e->data.x.client->frame->area.x;
+                cy = e->data.x.client->frame->area.y;
+                cw = e->data.x.client->frame->area.width;
+                ch = e->data.x.client->frame->area.height;
+                px = e->data.x.e->xbutton.x_root;
+                py = e->data.x.e->xbutton.y_root;
+                corner = pick_corner(px, py, cx, cy, cw, ch);
+            }
+            button = e->data.x.e->xbutton.button;
+        }
+        context = engine_get_context(e->data.x.client,
+                                     e->data.x.e->xbutton.window);
+
+        fire_button(MouseAction_Press, context,
+                    e->data.x.client, e->data.x.e->xbutton.state,
+                    e->data.x.e->xbutton.button);
+
+        if (context == g_quark_try_string("client")) {
+            /* Replay the event, so it goes to the client*/
+            XAllowEvents(ob_display, ReplayPointer, CurrentTime);
+            /* Fall through to the release case! */
+        } else
+            break;
+
     case Event_X_ButtonRelease:
+        context = engine_get_context(e->data.x.client,
+                                     e->data.x.e->xbutton.window);
+        if (e->data.x.e->xbutton.button == button) {
+            /* end drags */
+            if (drag) {
+                fire_motion(MouseAction_Motion, context,
+                            e->data.x.client, e->data.x.e->xbutton.state,
+                            e->data.x.e->xbutton.button,
+                            cx, cy, cw, ch, dx, dy, TRUE, corner);
+                drag = FALSE;
+                
+                lbutton = 0;
+            } else {
+                /* clicks are only valid if its released over the window */
+                if (e->data.x.e->xbutton.x >= 0 &&
+                    e->data.x.e->xbutton.y >= 0) {
+                    int junk;
+                    Window wjunk;
+                    guint ujunk, w, h;
+                    XGetGeometry(ob_display, e->data.x.e->xbutton.window,
+                                 &wjunk, &junk, &junk, &w, &h, &ujunk, &ujunk);
+                    if (e->data.x.e->xbutton.x < (signed)w &&
+                        e->data.x.e->xbutton.y < (signed)h) {
+                        click =TRUE;
+                        /* double clicks happen if there were 2 in a row! */
+                        if (lbutton == button &&
+                            e->data.x.e->xbutton.time - 300 <= ltime)
+                            dclick = TRUE;
+                    }
+                    lbutton = button;
+                } else
+                    lbutton = 0;
+            }
+
+            button = 0;
+            ltime = e->data.x.e->xbutton.time;
+        }
+        fire_button(MouseAction_Press, context,
+                    e->data.x.client, e->data.x.e->xbutton.state,
+                    e->data.x.e->xbutton.button);
+        if (click)
+            fire_button(MouseAction_Click, context,
+                        e->data.x.client, e->data.x.e->xbutton.state,
+                        e->data.x.e->xbutton.button);
+        if (dclick)
+            fire_button(MouseAction_DClick, context,
+                        e->data.x.client, e->data.x.e->xbutton.state,
+                        e->data.x.e->xbutton.button);
         break;
+
     case Event_X_MotionNotify:
+        if (button) {
+            dx = e->data.x.e->xmotion.x_root - px;
+            dy = e->data.x.e->xmotion.y_root - py;
+            if (ABS(dx) >= drag_threshold || ABS(dy) >= drag_threshold)
+                drag = TRUE;
+            if (drag) {
+                context = engine_get_context(e->data.x.client,
+                                             e->data.x.e->xbutton.window);
+                fire_motion(MouseAction_Motion, context,
+                            e->data.x.client, e->data.x.e->xmotion.state,
+                            button, cx, cy, cw, ch, dx, dy, FALSE, corner);
+            }
+        }
         break;
+
     default:
         g_assert_not_reached();
     }
 }
 
+static gboolean mbind(char *buttonstr, char *contextstr, MouseAction mact,
+                      Action *action)
+{
+    guint state, button;
+    GQuark context;
+    MouseBinding *b;
+    GSList *it;
+    guint i;
+
+    if (!translate_button(buttonstr, &state, &button)) {
+        g_warning("invalid button");
+        return FALSE;
+    }
+
+    context = g_quark_try_string(contextstr);
+    if (!context) {
+        g_warning("invalid context");
+        return FALSE;
+    }
+
+    for (it = g_datalist_id_get_data(&bound_contexts, context);
+        it != NULL; it = it->next){
+       b = it->data;
+       if (b->state == state && b->button == button) {
+           /* already bound */
+            if (b->action[mact] != NULL) {
+                g_warning("duplicate binding");
+                return FALSE;
+            }
+            b->action[mact] = action;
+            return TRUE;
+       }
+    }
+
+    grab_all_clients(FALSE);
+
+    /* add the binding */
+    b = g_new(MouseBinding, 1);
+    b->state = state;
+    b->button = button;
+    for (i = 0; i < NUM_MOUSEACTION; ++i)
+        b->action[i] = NULL;
+    b->action[mact] = action;
+    g_datalist_id_set_data(&bound_contexts, context, 
+        g_slist_append(g_datalist_id_get_data(&bound_contexts, context), b));
+
+    grab_all_clients(TRUE);
+
+    return TRUE;
+}
+
+static void binddef()
+{
+    Action *a;
+
+    /* When creating an Action struct, all of the data elements in the
+       appropriate struct need to be set, except the Client*, which will be set
+       at call-time when then action function is used.
+
+       For action_move and action_resize, the 'x', 'y', and 'final' data
+       elements should not be set, as they are set at call-time.       
+    */
+
+    a = action_new(action_move);
+    mbind("1", "titlebar", MouseAction_Motion, a);
+    a = action_new(action_move);
+    mbind("1", "handle", MouseAction_Motion, a);
+    a = action_new(action_move);
+    mbind("A-1", "frame", MouseAction_Motion, a);
+
+    a = action_new(action_resize);
+    mbind("1", "blcorner", MouseAction_Motion, a);
+    a = action_new(action_resize);
+    mbind("1", "brcorner", MouseAction_Motion, a);
+    a = action_new(action_resize);
+    mbind("A-3", "frame", MouseAction_Motion, a);
+
+    a = action_new(action_focus);
+    mbind("1", "titlebar", MouseAction_Press, a);
+    a = action_new(action_focus);
+    mbind("1", "handle", MouseAction_Press, a);
+    a = action_new(action_raise);
+    mbind("1", "titlebar", MouseAction_Click, a);
+    a = action_new(action_raise);
+    mbind("1", "handle", MouseAction_Click, a);
+    a = action_new(action_lower);
+    mbind("2", "titlebar", MouseAction_Press, a);
+    a = action_new(action_lower);
+    mbind("2", "handle", MouseAction_Press, a);
+    a = action_new(action_raise);
+    mbind("A-1", "frame", MouseAction_Click, a);
+    a = action_new(action_lower);
+    mbind("A-3", "frame", MouseAction_Click, a);
+
+    a = action_new(action_focusraise);
+    mbind("1", "client", MouseAction_Press, a);
+
+    a = action_new(action_toggle_shade);
+    mbind("1", "titlebar", MouseAction_DClick, a);
+    a = action_new(action_shade);
+    mbind("4", "titlebar", MouseAction_Press, a);
+    a = action_new(action_unshade);
+    mbind("5", "titlebar", MouseAction_Click, a);
+
+    a = action_new(action_toggle_maximize_full);
+    mbind("1", "maximize", MouseAction_Click, a);
+    a = action_new(action_toggle_maximize_vert);
+    mbind("2", "maximize", MouseAction_Click, a);
+    a = action_new(action_toggle_maximize_horz);
+    mbind("3", "maximize", MouseAction_Click, a);
+    a = action_new(action_iconify);
+    mbind("1", "iconify", MouseAction_Click, a);
+    a = action_new(action_close);
+    mbind("1", "icon", MouseAction_DClick, a);
+    a = action_new(action_close);
+    mbind("1", "close", MouseAction_Click, a);
+    a = action_new(action_toggle_omnipresent);
+    mbind("1", "alldesktops", MouseAction_Click, a);
+
+    a = action_new(action_next_desktop);
+    a->data.nextprevdesktop.wrap = TRUE;
+    mbind("4", "root", MouseAction_Click, a);
+    a = action_new(action_previous_desktop);
+    a->data.nextprevdesktop.wrap = TRUE;
+    mbind("5", "root", MouseAction_Click, a);
+    a = action_new(action_next_desktop);
+    a->data.nextprevdesktop.wrap = TRUE;
+    mbind("A-4", "root", MouseAction_Click, a);
+    a = action_new(action_previous_desktop);
+    a->data.nextprevdesktop.wrap = TRUE;
+    mbind("A-5", "root", MouseAction_Click, a);
+    a = action_new(action_next_desktop);
+    a->data.nextprevdesktop.wrap = TRUE;
+    mbind("A-4", "frame", MouseAction_Click, a);
+    a = action_new(action_previous_desktop);
+    a->data.nextprevdesktop.wrap = TRUE;
+    mbind("A-5", "frame", MouseAction_Click, a);
+}
+
 void plugin_startup()
 {
-    dispatch_register(Event_X_ButtonPress | Event_X_ButtonRelease |
+    dispatch_register(Event_Client_Mapped | Event_Client_Destroy |
+                      Event_X_ButtonPress | Event_X_ButtonRelease |
                       Event_X_MotionNotify, (EventHandler)event, NULL);
+
+    /* XXX parse a config */
+    binddef();
 }
 
 void plugin_shutdown()
 {
     dispatch_register(0, (EventHandler)event, NULL);
+
+    grab_all_clients(FALSE);
+    g_datalist_foreach(&bound_contexts, foreach_clear, NULL);
 }
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