Enlightenment CVS committal
Author : ningerso
Project : e17
Module : libs/ewl
Dir : e17/libs/ewl/src/lib
Modified Files:
ewl_dnd.c ewl_dnd.h
Log Message:
More DND infrastructure work.
===================================================================
RCS file: /cvs/e/e17/libs/ewl/src/lib/ewl_dnd.c,v
retrieving revision 1.17
retrieving revision 1.18
diff -u -3 -r1.17 -r1.18
--- ewl_dnd.c 5 Sep 2006 02:14:24 -0000 1.17
+++ ewl_dnd.c 5 Sep 2006 06:10:22 -0000 1.18
@@ -24,6 +24,8 @@
static Ewl_Widget *ewl_dnd_widget = NULL;
static Ecore_Hash *ewl_dnd_position_hash;
+static Ecore_Hash *ewl_dnd_provides_hash;
+static Ecore_Hash *ewl_dnd_accepts_hash;
static int ewl_dnd_status = 0;
Ecore_Event_Handler *ewl_dnd_mouse_up_handler;
@@ -31,6 +33,9 @@
char *ewl_dnd_drop_types[] = { "text/uri-list", "UTF8_STRING", NULL };
+static char *ewl_dnd_types_encode(const char **types);
+static int ewl_dnd_types_encoded_contains(char *types, char *type);
+
static int ewl_dnd_event_mouse_up(void *data, int type, void *event);
static int ewl_dnd_event_dnd_move(void *data, int type, void *event);
@@ -56,6 +61,21 @@
if (!ewl_dnd_position_hash)
DRETURN_INT(FALSE, DLEVEL_STABLE);
+ ewl_dnd_provides_hash = ecore_hash_new(ecore_direct_hash,
+ ecore_direct_compare);
+ if (!ewl_dnd_provides_hash) {
+ ecore_hash_destroy(ewl_dnd_position_hash);
+ DRETURN_INT(FALSE, DLEVEL_STABLE);
+ }
+
+ ewl_dnd_accepts_hash = ecore_hash_new(ecore_direct_hash,
+ ecore_direct_compare);
+ if (!ewl_dnd_accepts_hash) {
+ ecore_hash_destroy(ewl_dnd_provides_hash);
+ ecore_hash_destroy(ewl_dnd_position_hash);
+ DRETURN_INT(FALSE, DLEVEL_STABLE);
+ }
+
ewl_dragging_current = 0;
ewl_dnd_status = 1;
@@ -73,6 +93,8 @@
DENTER_FUNCTION(DLEVEL_STABLE);
ecore_hash_destroy(ewl_dnd_position_hash);
+ ecore_hash_destroy(ewl_dnd_provides_hash);
+ ecore_hash_destroy(ewl_dnd_accepts_hash);
DLEAVE_FUNCTION(DLEVEL_STABLE);
}
@@ -95,6 +117,133 @@
}
/**
+ * @param w: The widget to set provided types
+ * @param types: A NULL terminated array of mimetypes widget provides for DND
+ * @return Returns no value
+ * @brief: Sets the mimetypes the designated widget can provide for DND
+ */
+void
+ewl_dnd_provides_types_set(Ewl_Widget *w, const char **types)
+{
+ char *type;
+
+ DENTER_FUNCTION(DLEVEL_STABLE);
+ DCHECK_PARAM_PTR("w", w);
+ DCHECK_TYPE("w", w, EWL_WIDGET_TYPE);
+
+ type = ecore_hash_get(ewl_dnd_provides_hash, w);
+ if (type) {
+ FREE(type);
+ }
+ ecore_hash_set(ewl_dnd_provides_hash, w, ewl_dnd_types_encode(types));
+
+ DLEAVE_FUNCTION(DLEVEL_STABLE);
+}
+
+/**
+ * @param w: The widget to test for an provided type
+ * @param w: The mimetype to test for provideance on a specific widget
+ * @brief: Verifies the specified widget provides the given mimetype
+ */
+int
+ewl_dnd_provides_types_contains(Ewl_Widget *w, char *type)
+{
+ char *types;
+
+ DENTER_FUNCTION(DLEVEL_STABLE);
+ DCHECK_PARAM_PTR_RET("w", w, FALSE);
+ DCHECK_TYPE_RET("w", w, EWL_WIDGET_TYPE, FALSE);
+
+ types = ecore_hash_get(ewl_dnd_provides_hash, w);
+
+ DRETURN_INT(ewl_dnd_types_encoded_contains(types, type);,
DLEVEL_STABLE);
+}
+
+
+/**
+ * @param w: The widget to retrieve provided types
+ * @return Returns a NULL terminated array of mimetypes widget provides for DND
+ * @brief: Gets the mimetypes the designated widget can provide for DND
+ */
+const char **
+ewl_dnd_provides_types_get(Ewl_Widget *w)
+{
+ const char **types;
+
+ DENTER_FUNCTION(DLEVEL_STABLE);
+ DCHECK_PARAM_PTR_RET("w", w, NULL);
+ DCHECK_TYPE_RET("w", w, EWL_WIDGET_TYPE, NULL);
+
+ types = ecore_hash_get(ewl_dnd_provides_hash, w);
+
+ DRETURN_PTR(types, DLEVEL_STABLE);
+}
+
+/**
+ * @param w: The widget to set accepted types
+ * @param types: A NULL terminated array of mimetypes widget accepts for DND
+ * @return Returns no value
+ * @brief: Sets the mimetypes the designated widget can accept for DND
+ */
+void
+ewl_dnd_accepts_types_set(Ewl_Widget *w, const char **types)
+{
+ char *type;
+
+ DENTER_FUNCTION(DLEVEL_STABLE);
+ DCHECK_PARAM_PTR("w", w);
+ DCHECK_TYPE("w", w, EWL_WIDGET_TYPE);
+
+ type = ecore_hash_get(ewl_dnd_accepts_hash, w);
+ if (type) {
+ FREE(type);
+ }
+ ecore_hash_set(ewl_dnd_accepts_hash, w, ewl_dnd_types_encode(types));
+
+
+ DLEAVE_FUNCTION(DLEVEL_STABLE);
+}
+
+/**
+ * @param w: The widget to test for an accepted type
+ * @param w: The mimetype to test for acceptance on a specific widget
+ * @brief: Verifies the specified widget accepts the given mimetype
+ */
+int
+ewl_dnd_accepts_types_contains(Ewl_Widget *w, char *type)
+{
+ char *types;
+
+ DENTER_FUNCTION(DLEVEL_STABLE);
+ DCHECK_PARAM_PTR_RET("w", w, FALSE);
+ DCHECK_TYPE_RET("w", w, EWL_WIDGET_TYPE, FALSE);
+
+ types = ecore_hash_get(ewl_dnd_provides_hash, w);
+
+ DRETURN_INT(ewl_dnd_types_encoded_contains(types, type);,
DLEVEL_STABLE);
+}
+
+/**
+ * @param w: The widget to retrieve accepted types
+ * @return Returns a NULL terminated array of mimetypes widget accepts for DND
+ * @brief: Gets the mimetypes the designated widget can accept for DND
+ */
+const char **
+ewl_dnd_accepts_types_get(Ewl_Widget *w)
+{
+ const char **types;
+
+ DENTER_FUNCTION(DLEVEL_STABLE);
+ DCHECK_PARAM_PTR_RET("w", w, NULL);
+ DCHECK_TYPE_RET("w", w, EWL_WIDGET_TYPE, NULL);
+
+ types = ecore_hash_get(ewl_dnd_provides_hash, w);
+
+ DRETURN_PTR(types, DLEVEL_STABLE);
+}
+
+
+/**
* @param widget: The widget to get the types for
* @return Returns the Ewl_Dnd_Types for the given widget
* @brief Get the Ewl_Dnd_Types for the given widget
@@ -284,6 +433,52 @@
ewl_dnd_widget = NULL;
DLEAVE_FUNCTION(DLEVEL_STABLE);
+}
+
+static int
+ewl_dnd_types_encoded_contains(char *types, char *type)
+{
+ DENTER_FUNCTION(DLEVEL_STABLE);
+
+ while (*types) {
+ int len;
+
+ len = strlen(types);
+ if (!(strcmp(types, type)))
+ DRETURN_INT(TRUE, DLEVEL_STABLE);
+ types += len + 1;
+ }
+
+ DRETURN_INT(FALSE, DLEVEL_STABLE);
+}
+
+
+static char *
+ewl_dnd_types_encode(const char **types)
+{
+ char *tmptype;
+ int count, i = 0;
+ int len = 0;
+
+ DENTER_FUNCTION(DLEVEL_STABLE);
+
+ /*
+ * Determine the length of all types.
+ */
+ for (tmptype = (char *)types[0]; tmptype; tmptype = (char *)types[i]) {
+ len += strlen(tmptype) + 1;
+ i++;
+ }
+
+ tmptype = NEW(char, len + 1);
+ count = i;
+ for (i = 0; i < count; i++) {
+ tmptype = strcpy(tmptype, types[i]);
+ tmptype++;
+ }
+ *tmptype = '\0';
+
+ DRETURN_PTR(tmptype, DLEVEL_STABLE);
}
static int
===================================================================
RCS file: /cvs/e/e17/libs/ewl/src/lib/ewl_dnd.h,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -3 -r1.14 -r1.15
--- ewl_dnd.h 5 Sep 2006 02:14:24 -0000 1.14
+++ ewl_dnd.h 5 Sep 2006 06:10:22 -0000 1.15
@@ -26,6 +26,14 @@
Ewl_Dnd_Types *ewl_dnd_types_for_widget_get(Ewl_Widget *widget);
int ewl_dnd_type_supported(char *type);
+void ewl_dnd_provides_types_set(Ewl_Widget *w, const char **types);
+int ewl_dnd_provides_types_contains(Ewl_Widget *w, char *type);
+const char **ewl_dnd_provides_types_get(Ewl_Widget *w);
+
+void ewl_dnd_accepts_types_set(Ewl_Widget *w, const char **types);
+int ewl_dnd_accepts_types_contains(Ewl_Widget *w, char *type);
+const char **ewl_dnd_accepts_types_get(Ewl_Widget *w);
+
void ewl_dnd_disable(void);
void ewl_dnd_enable(void);
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