add code for interactive actions

[chaz/openbox] / openbox / actions.c

diff --git a/openbox/actions.c b/openbox/actions.c
index dff78f5033b6e603300d194d976b8aea78054ec5..7087f37d71557e196608308be4a2454ded875cd8 100644 (file)
--- a/openbox/actions.c
+++ b/openbox/actions.c
@@ -18,9 +18,15 @@
 
 #include "actions.h"
 #include "gettext.h"
+#include "grab.h"
 
-static void actions_definition_ref(ObActionsDefinition *def);
-static void actions_definition_unref(ObActionsDefinition *def);
+static void     actions_definition_ref(ObActionsDefinition *def);
+static void     actions_definition_unref(ObActionsDefinition *def);
+static gboolean actions_interactive_begin_act(ObActionsAct *act, guint state);
+static void     actions_interactive_end_act();
+
+static ObActionsAct *interactive_act = NULL;
+static guint         interactive_initial_state = 0;
 
 struct _ObActionsDefinition {
     guint ref;
@@ -31,6 +37,8 @@ struct _ObActionsDefinition {
     ObActionsDataSetupFunc setup;
     ObActionsDataFreeFunc free;
     ObActionsRunFunc run;
+    ObActionsInteractiveInputFunc i_input;
+    ObActionsInteractiveCancelFunc i_cancel;
 };
 
 struct _ObActionsAct {
@@ -65,7 +73,9 @@ gboolean actions_register(const gchar *name,
                           ObActionsType type,
                           ObActionsDataSetupFunc setup,
                           ObActionsDataFreeFunc free,
-                          ObActionsRunFunc run)
+                          ObActionsRunFunc run,
+                          ObActionsInteractiveInputFunc i_input,
+                          ObActionsInteractiveCancelFunc i_cancel)
 {
     GSList *it;
     ObActionsDefinition *def;
@@ -76,6 +86,8 @@ gboolean actions_register(const gchar *name,
             return FALSE;
     }
 
+    g_assert((i_input == NULL) == (i_cancel == NULL));
+
     def = g_new(ObActionsDefinition, 1);
     def->ref = 1;
     def->name = g_strdup(name);
@@ -83,6 +95,8 @@ gboolean actions_register(const gchar *name,
     def->setup = setup;
     def->free = free;
     def->run = run;
+    def->i_input = i_input;
+    def->i_cancel = i_cancel;
     return TRUE;
 }
 
@@ -145,6 +159,11 @@ ObActionsAct* actions_parse(ObParseInst *i,
     return act;
 }
 
+gboolean actions_act_is_interactive(ObActionsAct *act)
+{
+    return act->def->i_cancel != NULL;
+}
+
 void actions_act_ref(ObActionsAct *act)
 {
     ++act->ref;
@@ -165,14 +184,12 @@ static void actions_setup_data(ObActionsData *data,
                                ObUserAction uact,
                                Time time,
                                guint state,
-                               guint button,
                                gint x,
                                gint y)
 {
     data->any.uact = uact;
     data->any.time = time;
     data->any.state = state;
-    data->any.button = button;
     data->any.x = x;
     data->any.y = y;
 }
@@ -181,21 +198,20 @@ void actions_run_acts(GSList *acts,
                       ObUserAction uact,
                       Time time,
                       guint state,
-                      guint button,
                       gint x,
                       gint y,
                       ObFrameContext con,
-                      struct _ObClient *client,
-                      ObActionsInteractiveState interactive)
+                      struct _ObClient *client)
 {
     GSList *it;
 
     for (it = acts; it; it = g_slist_next(it)) {
         ObActionsData data;
         ObActionsAct *act = it->data;
+        gboolean ok = TRUE;
 
         data.type = act->def->type;
-        actions_setup_data(&data, uact, time, state, button, x, y);
+        actions_setup_data(&data, uact, time, state, x, y);
         switch (data.type) {
         case OB_ACTION_TYPE_GLOBAL:
             break;
@@ -203,14 +219,77 @@ void actions_run_acts(GSList *acts,
             data.client.context = con;
             data.client.c = client;
             break;
-        case OB_ACTION_TYPE_SELECTOR:
-            data.selector.interactive = interactive;
-            break;
         default:
             g_assert_not_reached();
         }
 
+        if (actions_act_is_interactive(act) &&
+            (!interactive_act || interactive_act->def != act->def))
+        {
+            ok = actions_interactive_begin_act(act, state);
+        }
+
         /* fire the action's run function with this data */
-        act->def->run(&data, act->options);
+        if (ok) {
+            if (!act->def->run(&data, act->options))
+                actions_interactive_end_act();
+            else
+                break; /* no actions are run after the interactive one */
+        }
+    }
+}
+
+gboolean actions_interactive_act_running()
+{
+    return interactive_act != NULL;
+}
+
+void actions_interactive_cancel_act()
+{
+    if (interactive_act) {
+        interactive_act->def->i_cancel(interactive_act->options);
+        actions_interactive_end_act();
+    }
+}
+
+static gboolean actions_interactive_begin_act(ObActionsAct *act, guint state)
+{
+    /* cancel the old one */
+    if (interactive_act)
+        actions_interactive_cancel_act();
+
+    if (grab_keyboard()) {
+        interactive_act = act;
+        actions_act_ref(interactive_act);
+
+        interactive_initial_state = state;
+        return TRUE;
+    }
+    else
+        return FALSE;
+}
+
+static void actions_interactive_end_act()
+{
+    if (interactive_act) {
+        ungrab_keyboard();
+
+        actions_act_unref(interactive_act);
+        interactive_act = NULL;
+    }
+}
+
+gboolean actions_interactive_input_event(XEvent *e)
+{
+    gboolean used = FALSE;
+    if (interactive_act) {
+        if (!interactive_act->def->i_input(interactive_initial_state, e,
+                                           interactive_act->options, &used))
+        {
+            used = TRUE; /* if it cancelled the action then it has to of
+                            been used */
+            actions_interactive_end_act();
+        }
     }
+    return used;
 }