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authorChristopher James Lahey <clahey@helixcode.com>2000-08-05 09:55:01 +0800
committerChris Lahey <clahey@src.gnome.org>2000-08-05 09:55:01 +0800
commit5e58fb6edb84a3be2660cf7dcd5bed975a5d6faf (patch)
treed676e630a97305c437a79836c1596aacd27d6242
parentef752b08c06f28eda0f3db8bd56115da8f9a31d8 (diff)
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Built code to have autodrags only work from within the table and to report
2000-08-04 Christopher James Lahey <clahey@helixcode.com> * e-table.c, e-table.h: Built code to have autodrags only work from within the table and to report the row dragged from automatically. svn path=/trunk/; revision=4542
-rw-r--r--widgets/e-table/ChangeLog6
-rw-r--r--widgets/e-table/e-table.c263
-rw-r--r--widgets/e-table/e-table.h12
-rw-r--r--widgets/table/e-table.c263
-rw-r--r--widgets/table/e-table.h12
5 files changed, 478 insertions, 78 deletions
diff --git a/widgets/e-table/ChangeLog b/widgets/e-table/ChangeLog
index c71a663f88..4b91e9dcc2 100644
--- a/widgets/e-table/ChangeLog
+++ b/widgets/e-table/ChangeLog
@@ -1,5 +1,11 @@
2000-08-04 Christopher James Lahey <clahey@helixcode.com>
+ * e-table.c, e-table.h: Built code to have autodrags only work
+ from within the table and to report the row dragged from
+ automatically.
+
+2000-08-04 Christopher James Lahey <clahey@helixcode.com>
+
* e-table-group-container.c, e-table-group-leaf.c,
e-table-group.c, e-table-group.h, e-table-item.c, e-table-item.h:
Made drag events calculate a row and column and signal that
diff --git a/widgets/e-table/e-table.c b/widgets/e-table/e-table.c
index 8099d3de0d..4daddc3985 100644
--- a/widgets/e-table/e-table.c
+++ b/widgets/e-table/e-table.c
@@ -112,6 +112,9 @@ static void et_drag_data_received(GtkWidget *widget,
guint info,
guint time,
ETable *et);
+static gint e_table_drag_source_event_cb (GtkWidget *widget,
+ GdkEvent *event,
+ ETable *table);
static void
et_destroy (GtkObject *object)
@@ -178,10 +181,11 @@ e_table_init (GtkObject *object)
e_table->drag_get_data_row = -1;
e_table->drag_get_data_col = -1;
- e_table->drag_row = -1;
- e_table->drag_col = -1;
e_table->drop_row = -1;
e_table->drop_col = -1;
+ e_table->site = NULL;
+ e_table->drag_source_button_press_event_id = 0;
+ e_table->drag_source_motion_notify_event_id = 0;
e_table->selection = e_table_selection_model_new();
e_table->cursor_loc = E_TABLE_CURSOR_LOC_NONE;
@@ -915,6 +919,73 @@ set_scroll_adjustments (ETable *table,
hadjustment);
}
+struct _ETableDragSourceSite
+{
+ GdkModifierType start_button_mask;
+ GtkTargetList *target_list; /* Targets for drag data */
+ GdkDragAction actions; /* Possible actions */
+ GdkColormap *colormap; /* Colormap for drag icon */
+ GdkPixmap *pixmap; /* Icon for drag data */
+ GdkBitmap *mask;
+
+ /* Stored button press information to detect drag beginning */
+ gint state;
+ gint x, y;
+ gint row, col;
+};
+
+typedef enum
+{
+ GTK_DRAG_STATUS_DRAG,
+ GTK_DRAG_STATUS_WAIT,
+ GTK_DRAG_STATUS_DROP
+} GtkDragStatus;
+
+typedef struct _GtkDragDestInfo GtkDragDestInfo;
+typedef struct _GtkDragSourceInfo GtkDragSourceInfo;
+
+struct _GtkDragDestInfo
+{
+ GtkWidget *widget; /* Widget in which drag is in */
+ GdkDragContext *context; /* Drag context */
+ GtkDragSourceInfo *proxy_source; /* Set if this is a proxy drag */
+ GtkSelectionData *proxy_data; /* Set while retrieving proxied data */
+ gboolean dropped : 1; /* Set after we receive a drop */
+ guint32 proxy_drop_time; /* Timestamp for proxied drop */
+ gboolean proxy_drop_wait : 1; /* Set if we are waiting for a
+ * status reply before sending
+ * a proxied drop on.
+ */
+ gint drop_x, drop_y; /* Position of drop */
+};
+
+struct _GtkDragSourceInfo
+{
+ GtkWidget *widget;
+ GtkTargetList *target_list; /* Targets for drag data */
+ GdkDragAction possible_actions; /* Actions allowed by source */
+ GdkDragContext *context; /* drag context */
+ GtkWidget *icon_window; /* Window for drag */
+ GtkWidget *ipc_widget; /* GtkInvisible for grab, message passing */
+ GdkCursor *cursor; /* Cursor for drag */
+ gint hot_x, hot_y; /* Hot spot for drag */
+ gint button; /* mouse button starting drag */
+
+ GtkDragStatus status; /* drag status */
+ GdkEvent *last_event; /* motion event waiting for response */
+
+ gint start_x, start_y; /* Initial position */
+ gint cur_x, cur_y; /* Current Position */
+
+ GList *selections; /* selections we've claimed */
+
+ GtkDragDestInfo *proxy_dest; /* Set if this is a proxy drag */
+
+ guint drop_timeout; /* Timeout for aborting drop */
+ guint destroy_icon : 1; /* If true, destroy icon_window
+ */
+};
+
/* Drag & drop stuff. */
/* Target */
void e_table_drag_get_data (ETable *table,
@@ -984,16 +1055,60 @@ void e_table_drag_source_set (ETable *table,
gint n_targets,
GdkDragAction actions)
{
- gtk_drag_source_set(GTK_WIDGET(table),
- start_button_mask,
- targets,
- n_targets,
- actions);
+ ETableDragSourceSite *site;
+ GtkWidget *canvas = GTK_WIDGET(table->table_canvas);
+
+ g_return_if_fail (table != NULL);
+
+ site = table->site;
+
+ gtk_widget_add_events (canvas,
+ gtk_widget_get_events (canvas) |
+ GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
+ GDK_BUTTON_MOTION_MASK);
+
+ if (site) {
+ if (site->target_list)
+ gtk_target_list_unref (site->target_list);
+ } else {
+ site = g_new0 (ETableDragSourceSite, 1);
+
+ table->drag_source_button_press_event_id =
+ gtk_signal_connect (GTK_OBJECT (canvas), "button_press_event",
+ GTK_SIGNAL_FUNC (e_table_drag_source_event_cb),
+ site);
+ table->drag_source_motion_notify_event_id =
+ gtk_signal_connect (GTK_OBJECT (canvas), "motion_notify_event",
+ GTK_SIGNAL_FUNC (e_table_drag_source_event_cb),
+ site);
+
+ table->site = site;
+ }
+
+ site->start_button_mask = start_button_mask;
+
+ if (targets)
+ site->target_list = gtk_target_list_new (targets, n_targets);
+ else
+ site->target_list = NULL;
+
+ site->actions = actions;
}
void e_table_drag_source_unset (ETable *table)
{
- gtk_drag_source_unset(GTK_WIDGET(table));
+ ETableDragSourceSite *site;
+
+ g_return_if_fail (table != NULL);
+
+ site = table->site;
+
+ if (site) {
+ gtk_signal_disconnect (GTK_OBJECT (table->table_canvas), table->drag_source_button_press_event_id);
+ gtk_signal_disconnect (GTK_OBJECT (table->table_canvas), table->drag_source_motion_notify_event_id);
+ g_free(site);
+ table->site = NULL;
+ }
}
/* There probably should be functions for setting the targets
@@ -1029,10 +1144,7 @@ e_table_compute_location(ETable *table,
{
if (!(row || col))
return;
- if (row)
- *row = 0;
- if (col)
- *col = 0;
+ e_table_group_compute_location(table->group, &x, &y, row, col);
}
static void
@@ -1132,15 +1244,16 @@ et_drag_motion(GtkWidget *widget,
}
et->drop_row = row;
et->drop_col = col;
- gtk_signal_emit (GTK_OBJECT (et),
- et_signals [TABLE_DRAG_MOTION],
- et->drop_row,
- et->drop_col,
- context,
- x,
- y,
- time,
- &ret_val);
+ if (row >= 0 && col >= 0)
+ gtk_signal_emit (GTK_OBJECT (et),
+ et_signals [TABLE_DRAG_MOTION],
+ et->drop_row,
+ et->drop_col,
+ context,
+ x,
+ y,
+ time,
+ &ret_val);
return ret_val;
}
@@ -1168,27 +1281,29 @@ et_drag_drop(GtkWidget *widget,
et->drop_col,
context,
time);
+ if (row >= 0 && col >= 0)
+ gtk_signal_emit (GTK_OBJECT (et),
+ et_signals [TABLE_DRAG_MOTION],
+ row,
+ col,
+ context,
+ x,
+ y,
+ time,
+ &ret_val);
+ }
+ et->drop_row = row;
+ et->drop_col = col;
+ if (row >= 0 && col >= 0)
gtk_signal_emit (GTK_OBJECT (et),
- et_signals [TABLE_DRAG_MOTION],
- row,
- col,
+ et_signals [TABLE_DRAG_DROP],
+ et->drop_row,
+ et->drop_col,
context,
x,
y,
time,
&ret_val);
- }
- et->drop_row = row;
- et->drop_col = col;
- gtk_signal_emit (GTK_OBJECT (et),
- et_signals [TABLE_DRAG_DROP],
- et->drop_row,
- et->drop_col,
- context,
- x,
- y,
- time,
- &ret_val);
et->drop_row = -1;
et->drop_col = -1;
return ret_val;
@@ -1223,6 +1338,82 @@ et_drag_data_received(GtkWidget *widget,
time);
}
+static gint
+e_table_drag_source_event_cb (GtkWidget *widget,
+ GdkEvent *event,
+ ETable *table)
+{
+ ETableDragSourceSite *site;
+ site = table->site;
+
+ switch (event->type) {
+ case GDK_BUTTON_PRESS:
+ if ((GDK_BUTTON1_MASK << (event->button.button - 1)) & site->start_button_mask) {
+ int row, col;
+ e_table_compute_location(table, widget, event->button.x, event->button.y, &row, &col);
+ if (row >= 0 && col >= 0) {
+ site->state |= (GDK_BUTTON1_MASK << (event->button.button - 1));
+ site->x = event->button.x;
+ site->y = event->button.y;
+ site->row = row;
+ site->col = col;
+ }
+ }
+ break;
+
+ case GDK_BUTTON_RELEASE:
+ if ((GDK_BUTTON1_MASK << (event->button.button - 1)) & site->start_button_mask) {
+ site->state &= ~(GDK_BUTTON1_MASK << (event->button.button - 1));
+ }
+ break;
+
+ case GDK_MOTION_NOTIFY:
+ if (site->state & event->motion.state & site->start_button_mask) {
+ /* FIXME: This is really broken and can leave us
+ * with a stuck grab
+ */
+ int i;
+ for (i=1; i<6; i++) {
+ if (site->state & event->motion.state &
+ GDK_BUTTON1_MASK << (i - 1))
+ break;
+ }
+
+ if (MAX (abs (site->x - event->motion.x),
+ abs (site->y - event->motion.y)) > 3) {
+ GtkDragSourceInfo *info;
+ GdkDragContext *context;
+
+ site->state = 0;
+ context = e_table_drag_begin (table, site->row, site->col,
+ site->target_list,
+ site->actions,
+ i, event);
+
+
+ info = g_dataset_get_data (context, "gtk-info");
+
+ if (!info->icon_window) {
+ if (site->pixmap)
+ gtk_drag_set_icon_pixmap (context,
+ site->colormap,
+ site->pixmap,
+ site->mask, -2, -2);
+ else
+ gtk_drag_set_icon_default (context);
+ }
+
+ return TRUE;
+ }
+ }
+ break;
+
+ default: /* hit for 2/3BUTTON_PRESS */
+ break;
+ }
+ return FALSE;
+}
+
static void
e_table_class_init (GtkObjectClass *object_class)
{
diff --git a/widgets/e-table/e-table.h b/widgets/e-table/e-table.h
index 8b41407d1a..6f4fe153c6 100644
--- a/widgets/e-table/e-table.h
+++ b/widgets/e-table/e-table.h
@@ -21,6 +21,8 @@ BEGIN_GNOME_DECLS
#define E_IS_TABLE(o) (GTK_CHECK_TYPE ((o), E_TABLE_TYPE))
#define E_IS_TABLE_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_TABLE_TYPE))
+typedef struct _ETableDragSourceSite ETableDragSourceSite;
+
typedef enum {
E_TABLE_CURSOR_LOC_NONE = 0,
E_TABLE_CURSOR_LOC_ETCTA = 1 << 0,
@@ -77,11 +79,15 @@ typedef struct {
int drag_get_data_row;
int drag_get_data_col;
- int drag_row;
- int drag_col;
-
int drop_row;
int drop_col;
+
+ int drag_row;
+ int drag_col;
+ ETableDragSourceSite *site;
+
+ int drag_source_button_press_event_id;
+ int drag_source_motion_notify_event_id;
} ETable;
typedef struct {
diff --git a/widgets/table/e-table.c b/widgets/table/e-table.c
index 8099d3de0d..4daddc3985 100644
--- a/widgets/table/e-table.c
+++ b/widgets/table/e-table.c
@@ -112,6 +112,9 @@ static void et_drag_data_received(GtkWidget *widget,
guint info,
guint time,
ETable *et);
+static gint e_table_drag_source_event_cb (GtkWidget *widget,
+ GdkEvent *event,
+ ETable *table);
static void
et_destroy (GtkObject *object)
@@ -178,10 +181,11 @@ e_table_init (GtkObject *object)
e_table->drag_get_data_row = -1;
e_table->drag_get_data_col = -1;
- e_table->drag_row = -1;
- e_table->drag_col = -1;
e_table->drop_row = -1;
e_table->drop_col = -1;
+ e_table->site = NULL;
+ e_table->drag_source_button_press_event_id = 0;
+ e_table->drag_source_motion_notify_event_id = 0;
e_table->selection = e_table_selection_model_new();
e_table->cursor_loc = E_TABLE_CURSOR_LOC_NONE;
@@ -915,6 +919,73 @@ set_scroll_adjustments (ETable *table,
hadjustment);
}
+struct _ETableDragSourceSite
+{
+ GdkModifierType start_button_mask;
+ GtkTargetList *target_list; /* Targets for drag data */
+ GdkDragAction actions; /* Possible actions */
+ GdkColormap *colormap; /* Colormap for drag icon */
+ GdkPixmap *pixmap; /* Icon for drag data */
+ GdkBitmap *mask;
+
+ /* Stored button press information to detect drag beginning */
+ gint state;
+ gint x, y;
+ gint row, col;
+};
+
+typedef enum
+{
+ GTK_DRAG_STATUS_DRAG,
+ GTK_DRAG_STATUS_WAIT,
+ GTK_DRAG_STATUS_DROP
+} GtkDragStatus;
+
+typedef struct _GtkDragDestInfo GtkDragDestInfo;
+typedef struct _GtkDragSourceInfo GtkDragSourceInfo;
+
+struct _GtkDragDestInfo
+{
+ GtkWidget *widget; /* Widget in which drag is in */
+ GdkDragContext *context; /* Drag context */
+ GtkDragSourceInfo *proxy_source; /* Set if this is a proxy drag */
+ GtkSelectionData *proxy_data; /* Set while retrieving proxied data */
+ gboolean dropped : 1; /* Set after we receive a drop */
+ guint32 proxy_drop_time; /* Timestamp for proxied drop */
+ gboolean proxy_drop_wait : 1; /* Set if we are waiting for a
+ * status reply before sending
+ * a proxied drop on.
+ */
+ gint drop_x, drop_y; /* Position of drop */
+};
+
+struct _GtkDragSourceInfo
+{
+ GtkWidget *widget;
+ GtkTargetList *target_list; /* Targets for drag data */
+ GdkDragAction possible_actions; /* Actions allowed by source */
+ GdkDragContext *context; /* drag context */
+ GtkWidget *icon_window; /* Window for drag */
+ GtkWidget *ipc_widget; /* GtkInvisible for grab, message passing */
+ GdkCursor *cursor; /* Cursor for drag */
+ gint hot_x, hot_y; /* Hot spot for drag */
+ gint button; /* mouse button starting drag */
+
+ GtkDragStatus status; /* drag status */
+ GdkEvent *last_event; /* motion event waiting for response */
+
+ gint start_x, start_y; /* Initial position */
+ gint cur_x, cur_y; /* Current Position */
+
+ GList *selections; /* selections we've claimed */
+
+ GtkDragDestInfo *proxy_dest; /* Set if this is a proxy drag */
+
+ guint drop_timeout; /* Timeout for aborting drop */
+ guint destroy_icon : 1; /* If true, destroy icon_window
+ */
+};
+
/* Drag & drop stuff. */
/* Target */
void e_table_drag_get_data (ETable *table,
@@ -984,16 +1055,60 @@ void e_table_drag_source_set (ETable *table,
gint n_targets,
GdkDragAction actions)
{
- gtk_drag_source_set(GTK_WIDGET(table),
- start_button_mask,
- targets,
- n_targets,
- actions);
+ ETableDragSourceSite *site;
+ GtkWidget *canvas = GTK_WIDGET(table->table_canvas);
+
+ g_return_if_fail (table != NULL);
+
+ site = table->site;
+
+ gtk_widget_add_events (canvas,
+ gtk_widget_get_events (canvas) |
+ GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
+ GDK_BUTTON_MOTION_MASK);
+
+ if (site) {
+ if (site->target_list)
+ gtk_target_list_unref (site->target_list);
+ } else {
+ site = g_new0 (ETableDragSourceSite, 1);
+
+ table->drag_source_button_press_event_id =
+ gtk_signal_connect (GTK_OBJECT (canvas), "button_press_event",
+ GTK_SIGNAL_FUNC (e_table_drag_source_event_cb),
+ site);
+ table->drag_source_motion_notify_event_id =
+ gtk_signal_connect (GTK_OBJECT (canvas), "motion_notify_event",
+ GTK_SIGNAL_FUNC (e_table_drag_source_event_cb),
+ site);
+
+ table->site = site;
+ }
+
+ site->start_button_mask = start_button_mask;
+
+ if (targets)
+ site->target_list = gtk_target_list_new (targets, n_targets);
+ else
+ site->target_list = NULL;
+
+ site->actions = actions;
}
void e_table_drag_source_unset (ETable *table)
{
- gtk_drag_source_unset(GTK_WIDGET(table));
+ ETableDragSourceSite *site;
+
+ g_return_if_fail (table != NULL);
+
+ site = table->site;
+
+ if (site) {
+ gtk_signal_disconnect (GTK_OBJECT (table->table_canvas), table->drag_source_button_press_event_id);
+ gtk_signal_disconnect (GTK_OBJECT (table->table_canvas), table->drag_source_motion_notify_event_id);
+ g_free(site);
+ table->site = NULL;
+ }
}
/* There probably should be functions for setting the targets
@@ -1029,10 +1144,7 @@ e_table_compute_location(ETable *table,
{
if (!(row || col))
return;
- if (row)
- *row = 0;
- if (col)
- *col = 0;
+ e_table_group_compute_location(table->group, &x, &y, row, col);
}
static void
@@ -1132,15 +1244,16 @@ et_drag_motion(GtkWidget *widget,
}
et->drop_row = row;
et->drop_col = col;
- gtk_signal_emit (GTK_OBJECT (et),
- et_signals [TABLE_DRAG_MOTION],
- et->drop_row,
- et->drop_col,
- context,
- x,
- y,
- time,
- &ret_val);
+ if (row >= 0 && col >= 0)
+ gtk_signal_emit (GTK_OBJECT (et),
+ et_signals [TABLE_DRAG_MOTION],
+ et->drop_row,
+ et->drop_col,
+ context,
+ x,
+ y,
+ time,
+ &ret_val);
return ret_val;
}
@@ -1168,27 +1281,29 @@ et_drag_drop(GtkWidget *widget,
et->drop_col,
context,
time);
+ if (row >= 0 && col >= 0)
+ gtk_signal_emit (GTK_OBJECT (et),
+ et_signals [TABLE_DRAG_MOTION],
+ row,
+ col,
+ context,
+ x,
+ y,
+ time,
+ &ret_val);
+ }
+ et->drop_row = row;
+ et->drop_col = col;
+ if (row >= 0 && col >= 0)
gtk_signal_emit (GTK_OBJECT (et),
- et_signals [TABLE_DRAG_MOTION],
- row,
- col,
+ et_signals [TABLE_DRAG_DROP],
+ et->drop_row,
+ et->drop_col,
context,
x,
y,
time,
&ret_val);
- }
- et->drop_row = row;
- et->drop_col = col;
- gtk_signal_emit (GTK_OBJECT (et),
- et_signals [TABLE_DRAG_DROP],
- et->drop_row,
- et->drop_col,
- context,
- x,
- y,
- time,
- &ret_val);
et->drop_row = -1;
et->drop_col = -1;
return ret_val;
@@ -1223,6 +1338,82 @@ et_drag_data_received(GtkWidget *widget,
time);
}
+static gint
+e_table_drag_source_event_cb (GtkWidget *widget,
+ GdkEvent *event,
+ ETable *table)
+{
+ ETableDragSourceSite *site;
+ site = table->site;
+
+ switch (event->type) {
+ case GDK_BUTTON_PRESS:
+ if ((GDK_BUTTON1_MASK << (event->button.button - 1)) & site->start_button_mask) {
+ int row, col;
+ e_table_compute_location(table, widget, event->button.x, event->button.y, &row, &col);
+ if (row >= 0 && col >= 0) {
+ site->state |= (GDK_BUTTON1_MASK << (event->button.button - 1));
+ site->x = event->button.x;
+ site->y = event->button.y;
+ site->row = row;
+ site->col = col;
+ }
+ }
+ break;
+
+ case GDK_BUTTON_RELEASE:
+ if ((GDK_BUTTON1_MASK << (event->button.button - 1)) & site->start_button_mask) {
+ site->state &= ~(GDK_BUTTON1_MASK << (event->button.button - 1));
+ }
+ break;
+
+ case GDK_MOTION_NOTIFY:
+ if (site->state & event->motion.state & site->start_button_mask) {
+ /* FIXME: This is really broken and can leave us
+ * with a stuck grab
+ */
+ int i;
+ for (i=1; i<6; i++) {
+ if (site->state & event->motion.state &
+ GDK_BUTTON1_MASK << (i - 1))
+ break;
+ }
+
+ if (MAX (abs (site->x - event->motion.x),
+ abs (site->y - event->motion.y)) > 3) {
+ GtkDragSourceInfo *info;
+ GdkDragContext *context;
+
+ site->state = 0;
+ context = e_table_drag_begin (table, site->row, site->col,
+ site->target_list,
+ site->actions,
+ i, event);
+
+
+ info = g_dataset_get_data (context, "gtk-info");
+
+ if (!info->icon_window) {
+ if (site->pixmap)
+ gtk_drag_set_icon_pixmap (context,
+ site->colormap,
+ site->pixmap,
+ site->mask, -2, -2);
+ else
+ gtk_drag_set_icon_default (context);
+ }
+
+ return TRUE;
+ }
+ }
+ break;
+
+ default: /* hit for 2/3BUTTON_PRESS */
+ break;
+ }
+ return FALSE;
+}
+
static void
e_table_class_init (GtkObjectClass *object_class)
{
diff --git a/widgets/table/e-table.h b/widgets/table/e-table.h
index 8b41407d1a..6f4fe153c6 100644
--- a/widgets/table/e-table.h
+++ b/widgets/table/e-table.h
@@ -21,6 +21,8 @@ BEGIN_GNOME_DECLS
#define E_IS_TABLE(o) (GTK_CHECK_TYPE ((o), E_TABLE_TYPE))
#define E_IS_TABLE_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_TABLE_TYPE))
+typedef struct _ETableDragSourceSite ETableDragSourceSite;
+
typedef enum {
E_TABLE_CURSOR_LOC_NONE = 0,
E_TABLE_CURSOR_LOC_ETCTA = 1 << 0,
@@ -77,11 +79,15 @@ typedef struct {
int drag_get_data_row;
int drag_get_data_col;
- int drag_row;
- int drag_col;
-
int drop_row;
int drop_col;
+
+ int drag_row;
+ int drag_col;
+ ETableDragSourceSite *site;
+
+ int drag_source_button_press_event_id;
+ int drag_source_motion_notify_event_id;
} ETable;
typedef struct {