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popover: Flip popovers positioning on left/right on RTL.

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If widgets have GTK_TEXT_DIRECTION_RTL, popovers being positioned
on GTK_POS_LEFT/RIGHT will default to appearing on the other side
too.
This commit is contained in:
Carlos Garnacho 2014-01-14 12:31:25 +01:00
parent a3b3b4621c
commit 69182c03fb
2 changed files with 38 additions and 19 deletions
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54
gtk/gtkpopover.c
View File

@ -296,6 +296,21 @@ gtk_popover_get_pointed_to_coords (GtkPopover *popover,
*rect_out = rect;
}
static GtkPositionType
get_effective_position (GtkPopover *popover,
GtkPositionType pos)
{
if (gtk_widget_get_direction (GTK_WIDGET (popover)) == GTK_TEXT_DIR_RTL)
{
if (pos == GTK_POS_LEFT)
pos = GTK_POS_RIGHT;
else if (pos == GTK_POS_RIGHT)
pos = GTK_POS_LEFT;
}
return pos;
}
static void
gtk_popover_get_gap_coords (GtkPopover *popover,
gint *initial_x_out,
@ -313,7 +328,7 @@ gtk_popover_get_gap_coords (GtkPopover *popover,
gint initial_x, initial_y;
gint tip_x, tip_y;
gint final_x, final_y;
GtkPositionType gap_side;
GtkPositionType gap_side, pos;
GtkAllocation allocation;
gint border_radius;
@ -333,21 +348,21 @@ gtk_popover_get_gap_coords (GtkPopover *popover,
gtk_widget_get_state_flags (GTK_WIDGET (popover)),
GTK_STYLE_PROPERTY_BORDER_RADIUS, &border_radius,
NULL);
pos = get_effective_position (popover, priv->final_position);
if (priv->final_position == GTK_POS_BOTTOM ||
priv->final_position == GTK_POS_RIGHT)
if (pos == GTK_POS_BOTTOM || pos == GTK_POS_RIGHT)
{
base = TAIL_HEIGHT;
tip = 0;
gap_side = (priv->final_position == GTK_POS_BOTTOM) ? GTK_POS_TOP : GTK_POS_LEFT;
}
else if (priv->final_position == GTK_POS_TOP)
else if (pos == GTK_POS_TOP)
{
base = allocation.height - TAIL_HEIGHT;
tip = allocation.height;
gap_side = GTK_POS_BOTTOM;
}
else if (priv->final_position == GTK_POS_LEFT)
else if (pos == GTK_POS_LEFT)
{
base = allocation.width - TAIL_HEIGHT;
tip = allocation.width;
@ -356,7 +371,7 @@ gtk_popover_get_gap_coords (GtkPopover *popover,
else
g_assert_not_reached ();
if (POS_IS_VERTICAL (priv->final_position))
if (POS_IS_VERTICAL (pos))
{
tip_pos = rect.x + (rect.width / 2);
initial_x = CLAMP (tip_pos - TAIL_GAP_WIDTH / 2,
@ -415,6 +430,7 @@ gtk_popover_get_rect_coords (GtkPopover *popover,
GtkWidget *widget = GTK_WIDGET (popover);
GtkPopoverPrivate *priv = popover->priv;
GtkAllocation allocation;
GtkPositionType pos;
gint x1, x2, y1, y2;
gtk_widget_get_allocation (widget, &allocation);
@ -430,13 +446,15 @@ gtk_popover_get_rect_coords (GtkPopover *popover,
y2 = allocation.height -
gtk_widget_get_margin_bottom (widget) + y1;
if (priv->final_position == GTK_POS_TOP)
pos = get_effective_position (popover, priv->final_position);
if (pos == GTK_POS_TOP)
y2 -= TAIL_HEIGHT;
else if (priv->final_position == GTK_POS_BOTTOM)
else if (pos == GTK_POS_BOTTOM)
y1 += TAIL_HEIGHT;
else if (priv->final_position == GTK_POS_LEFT)
else if (pos == GTK_POS_LEFT)
x2 -= TAIL_HEIGHT;
else if (priv->final_position == GTK_POS_RIGHT)
else if (pos == GTK_POS_RIGHT)
x1 += TAIL_HEIGHT;
if (x1_out)
@ -547,6 +565,7 @@ gtk_popover_update_position (GtkPopover *popover)
GtkAllocation window_alloc;
cairo_rectangle_int_t rect;
GtkPopoverPrivate *priv;
GtkPositionType pos;
GtkRequisition req;
priv = popover->priv;
@ -559,20 +578,19 @@ gtk_popover_update_position (GtkPopover *popover)
priv->final_position = priv->preferred_position;
gtk_popover_get_pointed_to_coords (popover, &rect);
pos = get_effective_position (popover, priv->preferred_position);
/* Check whether there's enough room on the
* preferred side, move to the opposite one if not.
*/
if (priv->preferred_position == GTK_POS_TOP && rect.y < req.height)
if (pos == GTK_POS_TOP && rect.y < req.height)
priv->final_position = GTK_POS_BOTTOM;
else if (priv->preferred_position == GTK_POS_BOTTOM &&
rect.y > window_alloc.height - req.height)
else if (pos == GTK_POS_BOTTOM && rect.y > window_alloc.height - req.height)
priv->final_position = GTK_POS_TOP;
else if (priv->preferred_position == GTK_POS_LEFT && rect.x < req.width)
priv->final_position = GTK_POS_RIGHT;
else if (priv->preferred_position == GTK_POS_RIGHT &&
rect.x > window_alloc.width - req.width)
priv->final_position = GTK_POS_LEFT;
else if (pos == GTK_POS_LEFT && rect.x < req.width)
priv->final_position = get_effective_position (popover, GTK_POS_RIGHT);
else if (pos == GTK_POS_RIGHT && rect.x > window_alloc.width - req.width)
priv->final_position = get_effective_position (popover, GTK_POS_LEFT);
gtk_window_set_popover_position (priv->window, GTK_WIDGET (popover),
priv->final_position, &rect);

3
gtk/gtkwindow.c
View File

@ -5776,7 +5776,8 @@ popover_get_rect (GtkWindowPopover *popover,
rect->y = CLAMP (popover->rect.y + (popover->rect.height / 2) -
(req.height / 2), 0, win_alloc.height - req.height);
if (popover->pos == GTK_POS_LEFT)
if ((popover->pos == GTK_POS_LEFT) ==
(gtk_widget_get_direction (popover->widget) == GTK_TEXT_DIR_LTR))
{
rect->x = popover->rect.x - req.width;