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rbpangolayout.c
583 lines (500 loc) · 14.3 KB
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rbpangolayout.c
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/* -*- c-file-style: "ruby"; indent-tabs-mode: nil -*- */
/*
* Copyright (C) 2011-2013 Ruby-GNOME2 Project Team
* Copyright (C) 2002-2005 Masao Mutoh
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "rbpangoprivate.h"
#define RG_TARGET_NAMESPACE cLayout
#define _SELF(self) (RVAL2PANGOLAYOUT(self))
static VALUE
rg_initialize(VALUE self, VALUE context)
{
G_INITIALIZE(self, pango_layout_new(RVAL2PANGOCONTEXT(context)));
return Qnil;
}
static VALUE
rg_copy(VALUE self)
{
return GOBJ2RVAL_UNREF(pango_layout_copy(_SELF(self)));
}
static VALUE
rg_context(VALUE self)
{
return GOBJ2RVAL(pango_layout_get_context(_SELF(self)));
}
static VALUE
rg_context_changed(VALUE self)
{
pango_layout_context_changed(_SELF(self));
return Qnil;
}
static VALUE
rg_set_text(VALUE self, VALUE text)
{
StringValue(text);
pango_layout_set_text(_SELF(self), RSTRING_PTR(text), RSTRING_LEN(text));
return self;
}
static VALUE
rg_text(VALUE self)
{
return CSTR2RVAL(pango_layout_get_text(_SELF(self)));
}
static VALUE
rg_set_markup(int argc, VALUE *argv, VALUE self)
{
VALUE markup, accel_marker;
gunichar accel_char = 0;
rb_scan_args(argc, argv, "11", &markup, &accel_marker);
StringValue(markup);
if (NIL_P(accel_marker)){
pango_layout_set_markup(_SELF(self),
RSTRING_PTR(markup),
RSTRING_LEN(markup));
} else {
pango_layout_set_markup_with_accel(_SELF(self),
RSTRING_PTR(markup),
RSTRING_LEN(markup),
NUM2CHR(accel_marker), &accel_char);
}
return CHR2FIX(accel_char);
}
static VALUE
rg_operator_layout_set_markup_eq(VALUE self, VALUE markup)
{
StringValue(markup);
pango_layout_set_markup(_SELF(self), RSTRING_PTR(markup), RSTRING_LEN(markup));
return markup;
}
static VALUE
rg_set_attributes(VALUE self, VALUE attrs)
{
pango_layout_set_attributes(_SELF(self),
RVAL2PANGOATTRLIST(attrs));
return self;
}
static VALUE
rg_attributes(VALUE self)
{
return PANGOATTRLIST2RVAL(pango_layout_get_attributes(_SELF(self)));
}
static VALUE
rg_set_font_description(VALUE self, VALUE rb_desc)
{
PangoFontDescription *desc;
gboolean desc_created = FALSE;
if (RVAL2CBOOL(rb_obj_is_kind_of(rb_desc, rb_cString))) {
desc = pango_font_description_from_string(RVAL2CSTR(rb_desc));
desc_created = TRUE;
} else {
desc = RVAL2PANGOFONTDESCRIPTION(rb_desc);
}
pango_layout_set_font_description(_SELF(self), desc);
if (desc_created)
pango_font_description_free(desc);
return self;
}
static VALUE
rg_font_description(VALUE self)
{
const PangoFontDescription* desc = pango_layout_get_font_description(_SELF(self));
return PANGOFONTDESCRIPTION2RVAL((gpointer)desc);
}
static VALUE
rg_set_width(VALUE self, VALUE width)
{
pango_layout_set_width(_SELF(self), NUM2INT(width));
return self;
}
static VALUE
rg_width(VALUE self)
{
return INT2NUM(pango_layout_get_width(_SELF(self)));
}
#if PANGO_VERSION_CHECK(1, 20, 0)
static VALUE
rg_set_height(VALUE self, VALUE width)
{
pango_layout_set_height(_SELF(self), NUM2INT(width));
return self;
}
static VALUE
rg_height(VALUE self)
{
return INT2NUM(pango_layout_get_height(_SELF(self)));
}
#endif
static VALUE
rg_set_wrap(VALUE self, VALUE wrap)
{
pango_layout_set_wrap(_SELF(self), RVAL2PANGOWRAPMODE(wrap));
return self;
}
static VALUE
rg_wrap(VALUE self)
{
return PANGOWRAPMODE2RVAL(pango_layout_get_wrap(_SELF(self)));
}
static VALUE
rg_set_ellipsize(VALUE self, VALUE ellipsize)
{
pango_layout_set_ellipsize(_SELF(self), RVAL2PANGOELLIPSIZEMODE(ellipsize));
return self;
}
static VALUE
rg_ellipsize(VALUE self)
{
return PANGOELLIPSIZEMODE2RVAL(pango_layout_get_ellipsize(_SELF(self)));
}
#if PANGO_VERSION_CHECK(1, 16, 0)
static VALUE
rg_ellipsized_p(VALUE self)
{
return CBOOL2RVAL(pango_layout_is_ellipsized(_SELF(self)));
}
#endif
static VALUE
rg_set_indent(VALUE self, VALUE indent)
{
pango_layout_set_indent(_SELF(self), NUM2INT(indent));
return self;
}
static VALUE
rg_indent(VALUE self)
{
return INT2NUM(pango_layout_get_indent(_SELF(self)));
}
static VALUE
rg_spacing(VALUE self)
{
return INT2NUM(pango_layout_get_spacing(_SELF(self)));
}
static VALUE
rg_set_spacing(VALUE self, VALUE spacing)
{
pango_layout_set_spacing(_SELF(self), NUM2INT(spacing));
return self;
}
static VALUE
rg_set_justify(VALUE self, VALUE justify)
{
pango_layout_set_justify(_SELF(self), RVAL2CBOOL(justify));
return self;
}
static VALUE
rg_justify_p(VALUE self)
{
return CBOOL2RVAL(pango_layout_get_justify(_SELF(self)));
}
static VALUE
rg_set_auto_dir(VALUE self, VALUE auto_dir)
{
pango_layout_set_auto_dir(_SELF(self), RVAL2CBOOL(auto_dir));
return self;
}
static VALUE
rg_auto_dir_p(VALUE self)
{
return CBOOL2RVAL(pango_layout_get_auto_dir(_SELF(self)));
}
static VALUE
rg_set_alignment(VALUE self, VALUE align)
{
pango_layout_set_alignment(_SELF(self), RVAL2PANGOALIGNMENT(align));
return self;
}
static VALUE
rg_alignment(VALUE self)
{
return PANGOALIGNMENT2RVAL(pango_layout_get_alignment(_SELF(self)));
}
static VALUE
rg_set_tabs(VALUE self, VALUE tabs)
{
pango_layout_set_tabs(_SELF(self),
RVAL2PANGOTABARRAY(tabs));
return self;
}
static VALUE
rg_tabs(VALUE self)
{
VALUE ret = Qnil;
PangoTabArray* tabs = pango_layout_get_tabs(_SELF(self));
if (tabs) {
ret = PANGOTABARRAY2RVAL(tabs);
pango_tab_array_free(tabs);
}
return ret;
}
static VALUE
rg_set_single_paragraph_mode(VALUE self, VALUE setting)
{
pango_layout_set_single_paragraph_mode(_SELF(self), RVAL2CBOOL(setting));
return self;
}
static VALUE
rg_single_paragraph_mode_p(VALUE self)
{
return CBOOL2RVAL(pango_layout_get_single_paragraph_mode(_SELF(self)));
}
static VALUE
rg_log_attrs(VALUE self)
{
PangoLogAttr* attrs;
gint i, n_attrs;
VALUE ary;
pango_layout_get_log_attrs(_SELF(self), &attrs, &n_attrs);
ary = rb_ary_new();
for (i = 0; i < n_attrs; i++) {
rb_ary_assoc(ary, PANGOLOGATTR2RVAL(&attrs[i]));
}
g_free(attrs);
return ary;
}
static VALUE
rg_xy_to_index(VALUE self, VALUE x, VALUE y)
{
int index, trailing;
gboolean ret = pango_layout_xy_to_index(_SELF(self),
NUM2INT(x), NUM2INT(y),
&index, &trailing);
return rb_ary_new3(3, CBOOL2RVAL(ret), INT2NUM(index), INT2NUM(trailing));
}
static VALUE
rg_index_to_pos(VALUE self, VALUE index)
{
PangoRectangle pos;
pango_layout_index_to_pos(_SELF(self), NUM2INT(index), &pos);
return PANGORECTANGLE2RVAL(&pos);
}
static VALUE
rg_get_cursor_pos(VALUE self, VALUE index)
{
PangoRectangle strong_pos, weak_pos;
pango_layout_get_cursor_pos(_SELF(self), NUM2INT(index), &strong_pos, &weak_pos);
return rb_ary_new3(2, PANGORECTANGLE2RVAL(&strong_pos),
PANGORECTANGLE2RVAL(&weak_pos));
}
static VALUE
rg_move_cursor_visually(VALUE self, VALUE strong, VALUE old_index, VALUE old_trailing, VALUE direction)
{
int new_index, new_trailing;
pango_layout_move_cursor_visually(_SELF(self), RVAL2CBOOL(strong),
NUM2INT(old_index), NUM2INT(old_trailing),
NUM2INT(direction),
&new_index, &new_trailing);
return rb_ary_new3(2, INT2NUM(new_index), INT2NUM(new_trailing));
}
static VALUE
rg_get_extents(int argc, VALUE *argv, VALUE self)
{
VALUE ink_rect, logical_rect;
PangoRectangle rink, rlog;
rb_scan_args(argc, argv, "02", &ink_rect, &logical_rect);
if (NIL_P(ink_rect)){
rink.x = 0;
rink.y = 0;
rink.width = 0;
rink.height = 0;
} else {
PangoRectangle* rect = RVAL2PANGORECTANGLE(ink_rect);
rink.x = rect->x;
rink.y = rect->y;
rink.width = rect->width;
rink.height = rect->height;
}
if (NIL_P(logical_rect)){
rlog.x = 0;
rlog.y = 0;
rlog.width = 0;
rlog.height = 0;
} else {
PangoRectangle* rect = RVAL2PANGORECTANGLE(logical_rect);
rlog.x = rect->x;
rlog.y = rect->y;
rlog.width = rect->width;
rlog.height = rect->height;
}
pango_layout_get_extents(_SELF(self), &rink, &rlog);
return rb_assoc_new(PANGORECTANGLE2RVAL(&rink),
PANGORECTANGLE2RVAL(&rlog));
}
static VALUE
rg_extents(VALUE self)
{
PangoRectangle rink = {0, 0, 0, 0};
PangoRectangle rlog = {0, 0, 0, 0};
pango_layout_get_extents(_SELF(self), &rink, &rlog);
return rb_assoc_new(PANGORECTANGLE2RVAL(&rink),
PANGORECTANGLE2RVAL(&rlog));
}
static VALUE
rg_get_pixel_extents(int argc, VALUE *argv, VALUE self)
{
VALUE ink_rect, logical_rect;
PangoRectangle rink, rlog;
rb_scan_args(argc, argv, "02", &ink_rect, &logical_rect);
if (NIL_P(ink_rect)){
rink.x = 0;
rink.y = 0;
rink.width = 0;
rink.height = 0;
} else {
PangoRectangle* rect = RVAL2PANGORECTANGLE(ink_rect);
rink.x = rect->x;
rink.y = rect->y;
rink.width = rect->width;
rink.height = rect->height;
}
if (NIL_P(logical_rect)){
rlog.x = 0;
rlog.y = 0;
rlog.width = 0;
rlog.height = 0;
} else {
PangoRectangle* rect = RVAL2PANGORECTANGLE(logical_rect);
rlog.x = rect->x;
rlog.y = rect->y;
rlog.width = rect->width;
rlog.height = rect->height;
}
pango_layout_get_pixel_extents(_SELF(self), &rink, &rlog);
return rb_assoc_new(PANGORECTANGLE2RVAL(&rink),
PANGORECTANGLE2RVAL(&rlog));
}
static VALUE
rg_pixel_extents(VALUE self)
{
PangoRectangle rink = {0, 0, 0, 0};
PangoRectangle rlog = {0, 0, 0, 0};
pango_layout_get_pixel_extents(_SELF(self), &rink, &rlog);
return rb_assoc_new(PANGORECTANGLE2RVAL(&rink),
PANGORECTANGLE2RVAL(&rlog));
}
static VALUE
rg_size(VALUE self)
{
int width, height;
pango_layout_get_size(_SELF(self), &width, &height);
return rb_ary_new3(2, INT2NUM(width), INT2NUM(height));
}
static VALUE
rg_pixel_size(VALUE self)
{
int width, height;
pango_layout_get_pixel_size(_SELF(self), &width, &height);
return rb_ary_new3(2, INT2NUM(width), INT2NUM(height));
}
static VALUE
rg_line_count(VALUE self)
{
return INT2NUM(pango_layout_get_line_count(_SELF(self)));
}
static VALUE
rg_get_line(VALUE self, VALUE line)
{
return PANGOLAYOUTLINE2RVAL(pango_layout_get_line(_SELF(self), NUM2INT(line)));
}
static VALUE
rg_lines(VALUE self)
{
return GSLIST2ARY2(pango_layout_get_lines(_SELF(self)), PANGO_TYPE_LAYOUT_LINE);
}
static VALUE
rg_iter(VALUE self)
{
return PANGOLAYOUTITER2RVAL(pango_layout_get_iter(_SELF(self)));
}
#if PANGO_VERSION_CHECK(1, 22, 0)
static VALUE
rg_baseline(VALUE self)
{
return INT2NUM(pango_layout_get_baseline(_SELF(self)));
}
#endif
void
Init_pango_layout(VALUE mPango)
{
VALUE RG_TARGET_NAMESPACE = G_DEF_CLASS(PANGO_TYPE_LAYOUT, "Layout", mPango);
RG_DEF_METHOD(initialize, 1);
RG_DEF_METHOD(copy, 0);
RG_DEF_METHOD(context, 0);
RG_DEF_METHOD(context_changed, 0);
RG_DEF_METHOD(set_text, 1);
RG_DEF_METHOD(text, 0);
RG_DEF_METHOD(set_markup, -1);
RG_DEF_METHOD_OPERATOR("markup=", layout_set_markup_eq, 1);
RG_DEF_METHOD(set_attributes, 1);
RG_DEF_METHOD(attributes, 0);
RG_DEF_METHOD(set_font_description, 1);
RG_DEF_METHOD(font_description, 0);
RG_DEF_METHOD(set_width, 1);
RG_DEF_METHOD(width, 0);
#if PANGO_VERSION_CHECK(1, 20, 0)
RG_DEF_METHOD(set_height, 1);
RG_DEF_METHOD(height, 0);
#endif
RG_DEF_METHOD(set_wrap, 1);
RG_DEF_METHOD(wrap, 0);
RG_DEF_METHOD(set_ellipsize, 1);
RG_DEF_METHOD(ellipsize, 0);
#if PANGO_VERSION_CHECK(1, 16, 0)
RG_DEF_METHOD_P(ellipsized, 0);
#endif
RG_DEF_METHOD(set_indent, 1);
RG_DEF_METHOD(indent, 0);
RG_DEF_METHOD(spacing, 0);
RG_DEF_METHOD(set_spacing, 1);
RG_DEF_METHOD(set_justify, 1);
RG_DEF_METHOD_P(justify, 0);
RG_DEF_METHOD(set_auto_dir, 1);
RG_DEF_METHOD_P(auto_dir, 0);
RG_DEF_METHOD(set_alignment, 1);
RG_DEF_METHOD(alignment, 0);
RG_DEF_METHOD(set_tabs, 1);
RG_DEF_METHOD(tabs, 0);
RG_DEF_METHOD(set_single_paragraph_mode, 1);
RG_DEF_METHOD_P(single_paragraph_mode, 0);
RG_DEF_METHOD(log_attrs, 0);
RG_DEF_METHOD(xy_to_index, 2);
RG_DEF_METHOD(index_to_pos, 1);
RG_DEF_METHOD(get_cursor_pos, 1);
RG_DEF_METHOD(move_cursor_visually, 4);
RG_DEF_METHOD(get_extents, -1);
RG_DEF_METHOD(extents, 0);
RG_DEF_METHOD(get_pixel_extents, -1);
RG_DEF_METHOD(pixel_extents, 0);
RG_DEF_METHOD(size, 0);
RG_DEF_METHOD(pixel_size, 0);
RG_DEF_METHOD(line_count, 0);
RG_DEF_METHOD(get_line, 1);
RG_DEF_METHOD(lines, 0);
RG_DEF_METHOD(iter, 0);
#if PANGO_VERSION_CHECK(1, 22, 0)
RG_DEF_METHOD(baseline, 0);
#endif
/* PangoWrapMode */
G_DEF_CLASS(PANGO_TYPE_WRAP_MODE, "WrapMode", RG_TARGET_NAMESPACE);
G_DEF_CONSTANTS(RG_TARGET_NAMESPACE, PANGO_TYPE_WRAP_MODE, "PANGO_");
/* PangoAlignment */
G_DEF_CLASS(PANGO_TYPE_ALIGNMENT, "Alignment", RG_TARGET_NAMESPACE);
G_DEF_CONSTANTS(RG_TARGET_NAMESPACE, PANGO_TYPE_ALIGNMENT, "PANGO_");
/* PangoEllipsizeMode */
G_DEF_CLASS(PANGO_TYPE_ELLIPSIZE_MODE, "EllipsizeMode", RG_TARGET_NAMESPACE);
G_DEF_CONSTANTS(RG_TARGET_NAMESPACE, PANGO_TYPE_ELLIPSIZE_MODE, "PANGO_");
}