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popover: Introduce _get_rect helper for a size

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When calculating the requested size of a popover, we need to do the
exact same same thing _get_rect_coords did, but not for the
current popopver allocation. Add _get_rect_for_size that can be used for
this purpose
This commit is contained in:
Timm Bäder 2016-09-01 15:15:18 +02:00
parent 4f7ec1f1c0
commit 7f1ab32e60
1 changed files with 58 additions and 52 deletions
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110
gtk/gtkpopover.c
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@ -846,44 +846,51 @@ gtk_popover_get_gap_coords (GtkPopover *popover,
}
static void
gtk_popover_get_rect_coords (GtkPopover *popover,
gint *x1_out,
gint *y1_out,
gint *x2_out,
gint *y2_out)
gtk_popover_get_rect_for_size (GtkPopover *popover,
int popover_width,
int popover_height,
GdkRectangle *rect)
{
GtkWidget *widget = GTK_WIDGET (popover);
GtkAllocation allocation;
gint x1, x2, y1, y2;
int x, y, w, h;
GtkBorder margin;
gtk_widget_get_allocation (widget, &allocation);
get_margin (widget, &margin);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
x1 = gtk_widget_get_margin_start (widget);
else
x1 = gtk_widget_get_margin_end (widget);
x = 0;
y = 0;
w = popover_width;
h = popover_height;
y1 = gtk_widget_get_margin_top (widget);
x2 = allocation.width -
gtk_widget_get_margin_end (widget) + x1;
y2 = allocation.height -
gtk_widget_get_margin_bottom (widget) + y1;
x += MAX (TAIL_HEIGHT, margin.left);
y += MAX (TAIL_HEIGHT, margin.top);
w -= x + MAX (TAIL_HEIGHT, margin.right);
h -= y + MAX (TAIL_HEIGHT, margin.bottom);
x1 += MAX (TAIL_HEIGHT, margin.left);
y1 += MAX (TAIL_HEIGHT, margin.top);
x2 -= MAX (TAIL_HEIGHT, margin.right);
y2 -= MAX (TAIL_HEIGHT, margin.bottom);
rect->x = x;
rect->y = y;
rect->width = w;
rect->height = h;
}
if (x1_out)
*x1_out = x1;
if (y1_out)
*y1_out = y1;
if (x2_out)
*x2_out = x2;
if (y2_out)
*y2_out = y2;
static void
gtk_popover_get_rect_coords (GtkPopover *popover,
int *x_out,
int *y_out,
int *w_out,
int *h_out)
{
GtkWidget *widget = GTK_WIDGET (popover);
GdkRectangle rect;
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
gtk_popover_get_rect_for_size (popover, allocation.width, allocation.height, &rect);
*x_out = rect.x;
*y_out = rect.y;
*w_out = rect.width;
*h_out = rect.height;
}
static void
@ -916,7 +923,7 @@ gtk_popover_fill_border_path (GtkPopover *popover,
GtkWidget *widget = GTK_WIDGET (popover);
GtkAllocation allocation;
GtkStyleContext *context;
gint x1, y1, x2, y2;
int x, y, w, h;
GtkRoundedBox box;
context = gtk_widget_get_style_context (widget);
@ -928,9 +935,9 @@ gtk_popover_fill_border_path (GtkPopover *popover,
cairo_close_path (cr);
cairo_fill (cr);
gtk_popover_get_rect_coords (popover, &x1, &y1, &x2, &y2);
gtk_popover_get_rect_coords (popover, &x, &y, &w, &h);
_gtk_rounded_box_init_rect (&box, x1, y1, x2 - x1, y2 - y1);
_gtk_rounded_box_init_rect (&box, x, y, w, h);
_gtk_rounded_box_apply_border_radius_for_style (&box,
gtk_style_context_lookup_style (context),
0);
@ -1119,7 +1126,7 @@ gtk_popover_draw (GtkWidget *widget,
GtkWidget *child;
GtkBorder border;
GdkRGBA border_color;
gint rect_x1, rect_x2, rect_y1, rect_y2;
int rect_x, rect_y, rect_w, rect_h;
gint initial_x, initial_y, final_x, final_y;
gint gap_start, gap_end;
GtkPositionType gap_side;
@ -1132,14 +1139,13 @@ gtk_popover_draw (GtkWidget *widget,
gtk_style_context_get_border (context, state, &border);
gtk_popover_get_rect_coords (popover,
&rect_x1, &rect_y1,
&rect_x2, &rect_y2);
&rect_x, &rect_y,
&rect_w, &rect_h);
/* Render the rect background */
gtk_render_background (context, cr,
rect_x1, rect_y1,
rect_x2 - rect_x1,
rect_y2 - rect_y1);
rect_x, rect_y,
rect_w, rect_h);
if (popover->priv->widget)
{
@ -1151,27 +1157,27 @@ gtk_popover_draw (GtkWidget *widget,
if (POS_IS_VERTICAL (gap_side))
{
gap_start = initial_x - rect_x1;
gap_end = final_x - rect_x1;
gap_start = initial_x - rect_x;
gap_end = final_x - rect_x;
}
else
{
gap_start = initial_y - rect_y1;
gap_end = final_y - rect_y1;
gap_start = initial_y - rect_y;
gap_end = final_y - rect_y;
}
/* Now render the frame, without the gap for the arrow tip */
gtk_render_frame_gap (context, cr,
rect_x1, rect_y1,
rect_x2 - rect_x1, rect_y2 - rect_y1,
rect_x, rect_y,
rect_w, rect_h,
gap_side,
gap_start, gap_end);
}
else
{
gtk_render_frame (context, cr,
rect_x1, rect_y1,
rect_x2 - rect_x1, rect_y2 - rect_y1);
rect_x, rect_y,
rect_w, rect_h);
}
/* Clip to the arrow shape */
@ -1460,16 +1466,16 @@ gtk_popover_size_allocate (GtkWidget *widget,
if (child)
{
GtkAllocation child_alloc;
gint x1, y1, x2, y2;
int x, y, w, h;
GtkBorder border;
gtk_popover_get_rect_coords (popover, &x1, &y1, &x2, &y2);
gtk_popover_get_rect_coords (popover, &x, &y, &w, &h);
get_padding_and_border (widget, &border);
child_alloc.x = x1 + border.left;
child_alloc.y = y1 + border.top;
child_alloc.width = (x2 - x1) - border.left - border.right;
child_alloc.height = (y2 - y1) - border.top - border.bottom;
child_alloc.x = x + border.left;
child_alloc.y = y + border.top;
child_alloc.width = w - border.left - border.right;
child_alloc.height = h - border.top - border.bottom;
gtk_widget_size_allocate (child, &child_alloc);
}