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The handlebox is almost finished. Just need help with resizing the

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parent - anyone know what I should be doing?
This commit is contained in:
Elliot Lee
1997-12-22 21:37:43 +00:00
parent 0a81bbf58f
commit 4da7b2f2ef
3 changed files with 891 additions and 23 deletions
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118
gtk/gtkhandlebox.c
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@ -85,6 +85,7 @@ gtk_handle_box_init (GtkHandleBox *handle_box)
GTK_WIDGET_UNSET_FLAGS (handle_box, GTK_NO_WINDOW);
GTK_WIDGET_SET_FLAGS (handle_box, GTK_BASIC);
handle_box->is_being_dragged = FALSE;
handle_box->is_onroot = FALSE;
handle_box->real_parent = NULL;
}
@ -135,12 +136,14 @@ gtk_handle_box_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkBin *bin;
GtkHandleBox *hb;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_HANDLE_BOX (widget));
g_return_if_fail (requisition != NULL);
bin = GTK_BIN (widget);
hb = GTK_HANDLE_BOX(widget);
requisition->width = DRAG_HANDLE_SIZE + GTK_CONTAINER(widget)->border_width * 2;
requisition->height = DRAG_HANDLE_SIZE + GTK_CONTAINER(widget)->border_width * 2;
@ -153,11 +156,15 @@ gtk_handle_box_size_request (GtkWidget *widget,
if(bin->child->requisition.height > requisition->height)
requisition->height = bin->child->requisition.height;
}
hb->real_requisition = *requisition;
if(hb->is_onroot)
requisition->height = 3;
}
static void
gtk_handle_box_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
GtkAllocation *allocation)
{
GtkBin *bin;
GtkAllocation child_allocation;
@ -177,7 +184,7 @@ gtk_handle_box_size_allocate (GtkWidget *widget,
if (GTK_WIDGET_REALIZED (widget))
{
gdk_window_move_resize (widget->window,
allocation->x + DRAG_HANDLE_SIZE + GTK_CONTAINER(widget)->border_width,
allocation->x + GTK_CONTAINER(widget)->border_width,
allocation->y + GTK_CONTAINER(widget)->border_width,
child_allocation.width,
child_allocation.height);
@ -192,10 +199,11 @@ gtk_handle_box_size_allocate (GtkWidget *widget,
static void gtk_handle_box_paint(GtkWidget *widget,
GdkRectangle *area)
{
GtkHandleBox *hb;
gint startx, endx, x;
gint line_y2;
g_print("painting %dx%d+%d+%d\n",
area->x, area->y, area->width, area->height);
hb = GTK_HANDLE_BOX(widget);
startx = 1; endx = DRAG_HANDLE_SIZE;
if(area->x > startx)
@ -205,7 +213,8 @@ static void gtk_handle_box_paint(GtkWidget *widget,
line_y2 = area->y + area->height;
for(x = startx; x < DRAG_HANDLE_SIZE; x += 3)
gtk_draw_vline(widget->style, widget->window,
gtk_draw_vline(widget->style,
widget->window,
GTK_WIDGET_STATE(widget),
area->y, line_y2,
x);
@ -217,6 +226,13 @@ static void gtk_handle_box_paint(GtkWidget *widget,
0, 0,
widget->allocation.width - 1,
widget->allocation.height);
if(hb->is_onroot)
gtk_draw_hline(widget->style,
widget->parent->window,
GTK_WIDGET_STATE(widget),
widget->allocation.x,
widget->allocation.width - widget->allocation.x,
widget->allocation.y);
}
static void
@ -270,12 +286,23 @@ gtk_handle_box_expose (GtkWidget *widget,
}
static gint dragoff_x, dragoff_y;
static gint parentx, parenty;
static gint gtk_handle_box_button_changed(GtkWidget *widget,
GdkEventButton *event)
static void
gtk_handle_box_get_parent_position(GtkWidget *widget,
gint *x, gint *y)
{
gdk_window_get_origin(widget->parent->window, x, y);
*x += widget->allocation.x;
*y += widget->allocation.y;
g_print("Position is %d x %d\n", *x, *y);
}
static gint
gtk_handle_box_button_changed(GtkWidget *widget,
GdkEventButton *event)
{
GtkHandleBox *hb;
gint rootx, rooty;
g_return_val_if_fail(widget != NULL, FALSE);
g_return_val_if_fail(GTK_IS_HANDLE_BOX(widget), FALSE);
g_return_val_if_fail(event != NULL, FALSE);
@ -286,18 +313,13 @@ static gint gtk_handle_box_button_changed(GtkWidget *widget,
if(event->type == GDK_BUTTON_PRESS
&& event->x < DRAG_HANDLE_SIZE)
{
gdk_window_raise(widget->window);
hb->is_being_dragged = TRUE;
dragoff_x = event->x;
dragoff_y = event->y;
if(hb->real_parent == NULL) {
hb->real_parent = widget->parent;
gdk_window_set_override_redirect(widget->window, TRUE);
rootx = event->x_root - event->x;
rooty = event->y_root - event->y;
gdk_window_reparent(widget->window, GDK_ROOT_PARENT(),
rootx, rooty);
}
gtk_handle_box_get_parent_position(widget,
&parentx,
&parenty);
hb->is_being_dragged = TRUE;
g_print("Grabbing\n");
gdk_pointer_grab(widget->window,
TRUE,
GDK_POINTER_MOTION_MASK
@ -308,6 +330,7 @@ static gint gtk_handle_box_button_changed(GtkWidget *widget,
}
else if(event->type == GDK_BUTTON_RELEASE)
{
g_print("Ungrabbing\n");
gdk_pointer_ungrab(GDK_CURRENT_TIME);
hb->is_being_dragged = FALSE;
}
@ -315,8 +338,48 @@ static gint gtk_handle_box_button_changed(GtkWidget *widget,
return TRUE;
}
static gint gtk_handle_box_motion (GtkWidget *widget,
GdkEventMotion *event)
static void
gtk_handle_box_reparent (GtkWidget *widget,
gboolean in_root)
{
GtkHandleBox *hb;
hb = GTK_HANDLE_BOX(widget);
if(in_root)
{
GTK_HANDLE_BOX(widget)->is_onroot = TRUE;
g_print("Reparenting to root\n");
gdk_window_set_override_redirect(widget->window, TRUE);
gdk_window_reparent(widget->window, GDK_ROOT_PARENT(),
parentx,
parenty);
gdk_window_raise(widget->window);
widget->requisition = hb->real_requisition;
gtk_widget_queue_resize(widget->parent);
gdk_pointer_ungrab(GDK_CURRENT_TIME);
gdk_pointer_grab(widget->window,
TRUE,
GDK_POINTER_MOTION_MASK
|GDK_BUTTON_RELEASE_MASK,
GDK_ROOT_PARENT(),
NULL,
GDK_CURRENT_TIME);
}
else
{
GTK_HANDLE_BOX(widget)->is_onroot = FALSE;
g_print("Reparenting to parent %#x\n", widget->parent->window);
gdk_window_reparent(widget->window, widget->parent->window,
widget->allocation.x, widget->allocation.y);
widget->requisition.height = 3;
gtk_widget_queue_resize(widget->parent);
}
}
static gint
gtk_handle_box_motion (GtkWidget *widget,
GdkEventMotion *event)
{
GtkHandleBox *hb;
gint newx, newy;
@ -326,13 +389,24 @@ static gint gtk_handle_box_motion (GtkWidget *widget,
g_return_val_if_fail(event != NULL, FALSE);
hb = GTK_HANDLE_BOX(widget);
if(hb->is_being_dragged) {
newx = event->x_root - dragoff_x;
newy = event->y_root - dragoff_y;
if(newx < 0) newx = 0;
if(newy < 0) newy = 0;
gdk_window_move(widget->window, newx,
newy);
if(abs(parentx - newx) < 10
&& abs(parenty - newy) < 10)
{
if(hb->is_onroot == TRUE)
gtk_handle_box_reparent(widget, FALSE);
}
else
{
if(hb->is_onroot == FALSE)
gtk_handle_box_reparent(widget, TRUE);
gdk_window_move(widget->window, newx, newy);
}
}
return TRUE;
}