mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-25 21:21:21 +00:00
Use the new caret rendering api
Implement the deprecated gtk_snapshot_render api for carets with the new one.
This commit is contained in:
Matthias Clasen
parent
0522dade9f
commit
57c63d9ce7
@ -680,171 +680,6 @@ gtk_snapshot_render_layout (GtkSnapshot *snapshot,
|
||||
gtk_css_style_snapshot_layout (&boxes, snapshot, x, y, layout);
|
||||
}
|
||||
|
||||
static void
|
||||
draw_insertion_cursor (GtkStyleContext *context,
|
||||
cairo_t *cr,
|
||||
double x,
|
||||
double y,
|
||||
double width,
|
||||
double height,
|
||||
double aspect_ratio,
|
||||
gboolean is_primary,
|
||||
PangoDirection direction,
|
||||
gboolean draw_arrow)
|
||||
{
|
||||
GdkRGBA primary_color;
|
||||
GdkRGBA secondary_color;
|
||||
int stem_width;
|
||||
double angle;
|
||||
double dx, dy;
|
||||
double xx1, yy1, xx2, yy2;
|
||||
|
||||
cairo_save (cr);
|
||||
cairo_new_path (cr);
|
||||
|
||||
_gtk_style_context_get_cursor_color (context, &primary_color, &secondary_color);
|
||||
gdk_cairo_set_source_rgba (cr, is_primary ? &primary_color : &secondary_color);
|
||||
|
||||
stem_width = height * aspect_ratio + 1;
|
||||
|
||||
yy1 = y;
|
||||
yy2 = y + height;
|
||||
|
||||
if (width < 0)
|
||||
{
|
||||
xx1 = x;
|
||||
xx2 = x - width;
|
||||
}
|
||||
else
|
||||
{
|
||||
xx1 = x + width;
|
||||
xx2 = x;
|
||||
}
|
||||
|
||||
angle = atan2 (height, width);
|
||||
|
||||
dx = (stem_width/2.0) * cos (M_PI/2 - angle);
|
||||
dy = (stem_width/2.0) * sin (M_PI/2 - angle);
|
||||
|
||||
if (draw_arrow)
|
||||
{
|
||||
if (direction == PANGO_DIRECTION_RTL)
|
||||
{
|
||||
double x0, y0, x1, y1, x2, y2;
|
||||
|
||||
x0 = xx2 - dx + 2 * dy;
|
||||
y0 = yy2 - dy - 2 * dx;
|
||||
|
||||
x1 = x0 + 4 * dy;
|
||||
y1 = y0 - 4 * dx;
|
||||
x2 = x0 + 2 * dy - 3 * dx;
|
||||
y2 = y0 - 2 * dx - 3 * dy;
|
||||
|
||||
cairo_move_to (cr, xx1 + dx, yy1 + dy);
|
||||
cairo_line_to (cr, xx2 + dx, yy2 + dy);
|
||||
cairo_line_to (cr, x2, y2);
|
||||
cairo_line_to (cr, x1, y1);
|
||||
cairo_line_to (cr, xx1 - dx, yy1 - dy);
|
||||
}
|
||||
else if (direction == PANGO_DIRECTION_LTR)
|
||||
{
|
||||
double x0, y0, x1, y1, x2, y2;
|
||||
|
||||
x0 = xx2 + dx + 2 * dy;
|
||||
y0 = yy2 + dy - 2 * dx;
|
||||
|
||||
x1 = x0 + 4 * dy;
|
||||
y1 = y0 - 4 * dx;
|
||||
x2 = x0 + 2 * dy + 3 * dx;
|
||||
y2 = y0 - 2 * dx + 3 * dy;
|
||||
|
||||
cairo_move_to (cr, xx1 - dx, yy1 - dy);
|
||||
cairo_line_to (cr, xx2 - dx, yy2 - dy);
|
||||
cairo_line_to (cr, x2, y2);
|
||||
cairo_line_to (cr, x1, y1);
|
||||
cairo_line_to (cr, xx1 + dx, yy1 + dy);
|
||||
}
|
||||
else
|
||||
g_assert_not_reached();
|
||||
}
|
||||
else
|
||||
{
|
||||
cairo_move_to (cr, xx1 + dx, yy1 + dy);
|
||||
cairo_line_to (cr, xx2 + dx, yy2 + dy);
|
||||
cairo_line_to (cr, xx2 - dx, yy2 - dy);
|
||||
cairo_line_to (cr, xx1 - dx, yy1 - dy);
|
||||
}
|
||||
|
||||
cairo_fill (cr);
|
||||
|
||||
cairo_restore (cr);
|
||||
}
|
||||
|
||||
static void
|
||||
get_insertion_cursor_bounds (double width,
|
||||
double height,
|
||||
double aspect_ratio,
|
||||
PangoDirection direction,
|
||||
gboolean draw_arrow,
|
||||
graphene_rect_t *bounds)
|
||||
{
|
||||
int stem_width;
|
||||
|
||||
if (width < 0)
|
||||
width = - width;
|
||||
|
||||
stem_width = height * aspect_ratio + 1;
|
||||
|
||||
graphene_rect_init (bounds,
|
||||
- 2 * stem_width, - stem_width,
|
||||
width + 4 * stem_width, height + 2 * stem_width);
|
||||
}
|
||||
|
||||
static void
|
||||
snapshot_insertion_cursor (GtkSnapshot *snapshot,
|
||||
GtkStyleContext *context,
|
||||
double width,
|
||||
double height,
|
||||
double aspect_ratio,
|
||||
gboolean is_primary,
|
||||
PangoDirection direction,
|
||||
gboolean draw_arrow)
|
||||
{
|
||||
if (width != 0 || draw_arrow)
|
||||
{
|
||||
cairo_t *cr;
|
||||
graphene_rect_t bounds;
|
||||
|
||||
get_insertion_cursor_bounds (width, height, aspect_ratio, direction, draw_arrow, &bounds);
|
||||
cr = gtk_snapshot_append_cairo (snapshot, &bounds);
|
||||
|
||||
draw_insertion_cursor (context, cr, 0, 0, width, height, aspect_ratio, is_primary, direction, draw_arrow);
|
||||
|
||||
cairo_destroy (cr);
|
||||
}
|
||||
else
|
||||
{
|
||||
GdkRGBA primary_color;
|
||||
GdkRGBA secondary_color;
|
||||
int stem_width;
|
||||
int offset;
|
||||
|
||||
_gtk_style_context_get_cursor_color (context, &primary_color, &secondary_color);
|
||||
|
||||
stem_width = height * aspect_ratio + 1;
|
||||
|
||||
/* put (stem_width % 2) on the proper side of the cursor */
|
||||
if (direction == PANGO_DIRECTION_LTR)
|
||||
offset = stem_width / 2;
|
||||
else
|
||||
offset = stem_width - stem_width / 2;
|
||||
|
||||
gtk_snapshot_append_color (snapshot,
|
||||
is_primary ? &primary_color : &secondary_color,
|
||||
&GRAPHENE_RECT_INIT (- offset, 0, stem_width, height));
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* gtk_snapshot_render_insertion_cursor:
|
||||
* @snapshot: snapshot to render to
|
||||
@ -868,83 +703,18 @@ gtk_snapshot_render_insertion_cursor (GtkSnapshot *snapshot,
|
||||
int index,
|
||||
PangoDirection direction)
|
||||
{
|
||||
GtkCssBoxes boxes;
|
||||
GdkDisplay *display;
|
||||
gboolean split_cursor;
|
||||
double aspect_ratio;
|
||||
PangoRectangle strong_pos, weak_pos;
|
||||
PangoRectangle *cursor1, *cursor2;
|
||||
GdkSeat *seat;
|
||||
PangoDirection keyboard_direction;
|
||||
PangoDirection direction2;
|
||||
|
||||
g_return_if_fail (snapshot != NULL);
|
||||
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
|
||||
g_return_if_fail (PANGO_IS_LAYOUT (layout));
|
||||
g_return_if_fail (index >= 0);
|
||||
|
||||
gtk_css_boxes_init_border_box (&boxes,
|
||||
gtk_style_context_lookup_style (context),
|
||||
x, y, 0, 0);
|
||||
|
||||
display = gtk_style_context_get_display (context);
|
||||
|
||||
g_object_get (gtk_settings_get_for_display (display),
|
||||
"gtk-split-cursor", &split_cursor,
|
||||
"gtk-cursor-aspect-ratio", &aspect_ratio,
|
||||
NULL);
|
||||
|
||||
keyboard_direction = PANGO_DIRECTION_LTR;
|
||||
seat = gdk_display_get_default_seat (display);
|
||||
if (seat)
|
||||
{
|
||||
GdkDevice *keyboard = gdk_seat_get_keyboard (seat);
|
||||
|
||||
if (keyboard)
|
||||
keyboard_direction = gdk_device_get_direction (keyboard);
|
||||
}
|
||||
|
||||
pango_layout_get_caret_pos (layout, index, &strong_pos, &weak_pos);
|
||||
|
||||
direction2 = PANGO_DIRECTION_NEUTRAL;
|
||||
|
||||
if (split_cursor)
|
||||
{
|
||||
cursor1 = &strong_pos;
|
||||
|
||||
if (strong_pos.x != weak_pos.x || strong_pos.y != weak_pos.y)
|
||||
{
|
||||
direction2 = (direction == PANGO_DIRECTION_LTR) ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR;
|
||||
cursor2 = &weak_pos;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (keyboard_direction == direction)
|
||||
cursor1 = &strong_pos;
|
||||
else
|
||||
cursor1 = &weak_pos;
|
||||
}
|
||||
|
||||
gtk_snapshot_save (snapshot);
|
||||
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (x + PANGO_PIXELS (MIN (cursor1->x, cursor1->x + cursor1->width)), y + PANGO_PIXELS (cursor1->y)));
|
||||
snapshot_insertion_cursor (snapshot,
|
||||
context,
|
||||
PANGO_PIXELS (cursor1->width),
|
||||
PANGO_PIXELS (cursor1->height),
|
||||
aspect_ratio,
|
||||
TRUE,
|
||||
direction,
|
||||
direction2 != PANGO_DIRECTION_NEUTRAL);
|
||||
gtk_snapshot_restore (snapshot);
|
||||
|
||||
if (direction2 != PANGO_DIRECTION_NEUTRAL)
|
||||
{
|
||||
gtk_snapshot_save (snapshot);
|
||||
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (x + PANGO_PIXELS (MIN (cursor2->x, cursor2->x + cursor2->width)), y + PANGO_PIXELS (cursor2->y)));
|
||||
snapshot_insertion_cursor (snapshot,
|
||||
context,
|
||||
PANGO_PIXELS (cursor2->width),
|
||||
PANGO_PIXELS (cursor2->height),
|
||||
aspect_ratio,
|
||||
FALSE,
|
||||
direction2,
|
||||
TRUE);
|
||||
gtk_snapshot_restore (snapshot);
|
||||
}
|
||||
gtk_css_style_snapshot_caret (&boxes, display, snapshot, x, y, layout, index, direction);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user