gtk2/gtk/gtktextutil.c

404 lines
12 KiB
C
Raw Normal View History

/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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 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
2012-02-27 13:01:10 +00:00
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2001. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
#include "gtktextview.h"
#include "gtktextutil.h"
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
#include "gtkcsscolorvalueprivate.h"
#include "gtkstylecontextprivate.h"
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
#include "gtktextbuffer.h"
#include "gtktextlayoutprivate.h"
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
#include "gtkintl.h"
#include "gtkwidgetprivate.h"
#include "gtkcssnodeprivate.h"
#include "gtkcssstyleprivate.h"
#include "gtkstylepropertyprivate.h"
#include "gtkcsscolorvalueprivate.h"
#define DRAG_ICON_MAX_WIDTH 250
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
#define DRAG_ICON_MAX_HEIGHT 250
#define DRAG_ICON_MAX_LINES 7
#define ELLIPSIS_CHARACTER "\xe2\x80\xa6"
static void
2020-07-24 18:40:36 +00:00
append_n_lines (GString *str, const char *text, GSList *lines, int n_lines)
{
PangoLayoutLine *line;
2020-07-24 13:54:49 +00:00
int i;
for (i = 0; i < n_lines; i++)
{
line = lines->data;
g_string_append_len (str, &text[line->start_index], line->length);
lines = lines->next;
}
}
static void
limit_layout_lines (PangoLayout *layout)
{
2020-07-24 18:40:36 +00:00
const char *text;
GString *str;
GSList *lines, *elem;
2020-07-24 13:54:49 +00:00
int n_lines;
n_lines = pango_layout_get_line_count (layout);
if (n_lines >= DRAG_ICON_MAX_LINES)
{
text = pango_layout_get_text (layout);
str = g_string_new (NULL);
lines = pango_layout_get_lines_readonly (layout);
/* get first lines */
elem = lines;
append_n_lines (str, text, elem,
DRAG_ICON_MAX_LINES / 2);
g_string_append (str, "\n" ELLIPSIS_CHARACTER "\n");
/* get last lines */
elem = g_slist_nth (lines, n_lines - DRAG_ICON_MAX_LINES / 2);
append_n_lines (str, text, elem,
DRAG_ICON_MAX_LINES / 2);
pango_layout_set_text (layout, str->str, -1);
g_string_free (str, TRUE);
}
}
/**
* gtk_text_util_create_drag_icon:
* @widget: #GtkWidget to extract the pango context
2020-07-24 18:40:36 +00:00
* @text: a #char to render the icon
* @len: length of @text, or -1 for NUL-terminated text
*
* Creates a drag and drop icon from @text.
*
* Returns: (transfer full): a #GdkPaintable to use as DND icon
*/
GdkPaintable *
gtk_text_util_create_drag_icon (GtkWidget *widget,
2020-07-24 18:40:36 +00:00
char *text,
gssize len)
{
GtkCssStyle *style;
GtkSnapshot *snapshot;
PangoContext *context;
PangoLayout *layout;
GdkPaintable *paintable;
2020-07-24 13:54:49 +00:00
int layout_width;
const GdkRGBA *color;
g_return_val_if_fail (widget != NULL, NULL);
g_return_val_if_fail (text != NULL, NULL);
context = gtk_widget_get_pango_context (widget);
layout = pango_layout_new (context);
pango_layout_set_text (layout, text, len);
pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
pango_layout_get_size (layout, &layout_width, NULL);
layout_width = MIN (layout_width, DRAG_ICON_MAX_WIDTH * PANGO_SCALE);
pango_layout_set_width (layout, layout_width);
limit_layout_lines (layout);
snapshot = gtk_snapshot_new ();
style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
color = gtk_css_color_value_get_rgba (style->core->color);
gtk_snapshot_append_layout (snapshot, layout, color);
paintable = gtk_snapshot_free_to_paintable (snapshot, NULL);
g_object_unref (layout);
return paintable;
}
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
static void
set_attributes_from_style (GtkWidget *widget,
GtkTextAttributes *values)
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
{
GtkCssStyle *style;
GtkStyleContext *context;
const GdkRGBA black = { 0, };
if (!values->appearance.bg_rgba)
values->appearance.bg_rgba = gdk_rgba_copy (&black);
if (!values->appearance.fg_rgba)
values->appearance.fg_rgba = gdk_rgba_copy (&black);
2011-01-10 19:09:34 +00:00
context = gtk_widget_get_style_context (widget);
style = gtk_style_context_lookup_style (context);
*values->appearance.bg_rgba = *gtk_css_color_value_get_rgba (style->background->background_color);
*values->appearance.fg_rgba = *gtk_css_color_value_get_rgba (style->core->color);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
if (values->font)
pango_font_description_free (values->font);
values->font = gtk_css_style_get_pango_font (style);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
}
2020-07-24 13:54:49 +00:00
static int
get_border_window_size (GtkTextView *text_view,
GtkTextWindowType window_type)
{
GtkWidget *gutter;
gutter = gtk_text_view_get_gutter (text_view, window_type);
if (gutter != NULL)
return gtk_widget_get_width (gutter);
return 0;
}
GdkPaintable *
gtk_text_util_create_rich_drag_icon (GtkWidget *widget,
GtkTextBuffer *buffer,
GtkTextIter *start,
GtkTextIter *end)
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
{
GtkAllocation allocation;
GdkPaintable *paintable;
GtkSnapshot *snapshot;
2020-07-24 13:54:49 +00:00
int layout_width, layout_height;
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
GtkTextBuffer *new_buffer;
GtkTextLayout *layout;
GtkTextAttributes *style;
PangoContext *ltr_context, *rtl_context;
GtkTextIter iter;
2016-04-27 01:25:02 +00:00
g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
g_return_val_if_fail (GTK_IS_TEXT_BUFFER (buffer), NULL);
g_return_val_if_fail (start != NULL, NULL);
g_return_val_if_fail (end != NULL, NULL);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
new_buffer = gtk_text_buffer_new (gtk_text_buffer_get_tag_table (buffer));
gtk_text_buffer_get_start_iter (new_buffer, &iter);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
gtk_text_buffer_insert_range (new_buffer, &iter, start, end);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
gtk_text_buffer_get_start_iter (new_buffer, &iter);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
layout = gtk_text_layout_new ();
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
ltr_context = gtk_widget_create_pango_context (widget);
pango_context_set_base_dir (ltr_context, PANGO_DIRECTION_LTR);
rtl_context = gtk_widget_create_pango_context (widget);
pango_context_set_base_dir (rtl_context, PANGO_DIRECTION_RTL);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
gtk_text_layout_set_contexts (layout, ltr_context, rtl_context);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
g_object_unref (ltr_context);
g_object_unref (rtl_context);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
style = gtk_text_attributes_new ();
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
gtk_widget_get_allocation (widget, &allocation);
layout_width = allocation.width;
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
set_attributes_from_style (widget, style);
2016-04-27 01:25:02 +00:00
if (GTK_IS_TEXT_VIEW (widget))
{
layout_width = layout_width
- get_border_window_size (GTK_TEXT_VIEW (widget), GTK_TEXT_WINDOW_LEFT)
- get_border_window_size (GTK_TEXT_VIEW (widget), GTK_TEXT_WINDOW_RIGHT);
2016-04-27 01:25:02 +00:00
}
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
style->direction = gtk_widget_get_direction (widget);
style->wrap_mode = GTK_WRAP_WORD_CHAR;
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
gtk_text_layout_set_default_style (layout, style);
gtk_text_attributes_unref (style);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
gtk_text_layout_set_buffer (layout, new_buffer);
gtk_text_layout_set_cursor_visible (layout, FALSE);
gtk_text_layout_set_screen_width (layout, layout_width);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
gtk_text_layout_validate (layout, DRAG_ICON_MAX_HEIGHT);
gtk_text_layout_get_size (layout, &layout_width, &layout_height);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
2016-04-27 01:25:02 +00:00
layout_width = MIN (layout_width, DRAG_ICON_MAX_WIDTH);
layout_height = MIN (layout_height, DRAG_ICON_MAX_HEIGHT);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
snapshot = gtk_snapshot_new ();
2010-07-15 23:45:06 +00:00
gtk_text_layout_snapshot (layout, widget, snapshot, &(GdkRectangle) { 0, 0, layout_width, layout_height }, 1.0);
2016-04-27 01:25:02 +00:00
g_object_unref (layout);
g_object_unref (new_buffer);
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
paintable = gtk_snapshot_free_to_paintable (snapshot, &(graphene_size_t) { layout_width, layout_height });
return paintable;
Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. 2006-03-07 Michael Natterer <mitch@imendio.com> Add infrastructure for copy/paste and DND of rich text for GtkTextBuffer. Fixes bug #324177. * gtk/gtktextbufferrichtext.[ch]: new files implementing a per-buffer registry of rich text formats. * gtk/gtk.h: #include gtktextbufferrichtext.h * gtk/gtktextbufferserialize.[ch]: new files implementing an internal serialization format that can handle all of a text buffer's tags and pixbufs. It's not useful for anything except tranfer between instances of GtkTextBuffer (Anders Carlsson). * gtk/Makefile.am: build the new files. * gtk/gtkclipboard.[ch]: added convenience APIs for rich text, just as they exist for plain text and pixbufs. * gtk/gtkselection.[ch]: added rich text convenience APIs here too. Return the target list from gtk_target_list_ref(). Register GtkTargetList as boxed type. Added gtk_target_table_new_from_list() and gtk_target_table_free(), which make converting between GtkTargetList and arrays of GtkTargetEntry considerably easier. * gtk/gtktextutil.[ch]: added _gtk_text_util_create_rich_drag_icon() which creates a fancy rich text icon (Matthias Clasen). * gtk/gtktextbuffer.[ch]: use all the new stuff above and implement copy and paste of rich text. Added APIs for getting the target lists used for copy and paste. Added public enum GtkTextBufferTargetInfo which contains the "info" IDs associated with the entries of the target lists. * gtk/gtktextview.c: use the new rich text APIs and GtkTextBuffer's new target list API to enable DND of rich text chunks. * gtk/gtk.symbols: export all the new symbols added. * tests/testtext.c: added rich text testing stuff.
2006-03-07 13:46:11 +00:00
}
2020-07-24 13:54:49 +00:00
static int
layout_get_char_width (PangoLayout *layout)
{
2020-07-24 13:54:49 +00:00
int width;
PangoFontMetrics *metrics;
const PangoFontDescription *font_desc;
PangoContext *context = pango_layout_get_context (layout);
font_desc = pango_layout_get_font_description (layout);
if (!font_desc)
font_desc = pango_context_get_font_description (context);
metrics = pango_context_get_metrics (context, font_desc, NULL);
width = pango_font_metrics_get_approximate_char_width (metrics);
pango_font_metrics_unref (metrics);
return width;
}
/*
* _gtk_text_util_get_block_cursor_location
* @layout: a #PangoLayout
* @index: index at which cursor is located
* @pos: cursor location
* @at_line_end: whether cursor is drawn at line end, not over some
* character
*
* Returns: whether cursor should actually be drawn as a rectangle.
* It may not be the case if character at index is invisible.
*/
gboolean
_gtk_text_util_get_block_cursor_location (PangoLayout *layout,
2020-07-24 13:54:49 +00:00
int index,
PangoRectangle *pos,
gboolean *at_line_end)
{
PangoRectangle strong_pos, weak_pos;
PangoLayoutLine *layout_line;
gboolean rtl;
2020-07-24 13:54:49 +00:00
int line_no;
2020-07-24 18:40:36 +00:00
const char *text;
g_return_val_if_fail (layout != NULL, FALSE);
g_return_val_if_fail (index >= 0, FALSE);
g_return_val_if_fail (pos != NULL, FALSE);
pango_layout_index_to_pos (layout, index, pos);
if (pos->width != 0)
{
/* cursor is at some visible character, good */
if (at_line_end)
*at_line_end = FALSE;
if (pos->width < 0)
{
pos->x += pos->width;
pos->width = -pos->width;
}
return TRUE;
}
pango_layout_index_to_line_x (layout, index, FALSE, &line_no, NULL);
layout_line = pango_layout_get_line_readonly (layout, line_no);
g_return_val_if_fail (layout_line != NULL, FALSE);
text = pango_layout_get_text (layout);
if (index < layout_line->start_index + layout_line->length)
{
/* this may be a zero-width character in the middle of the line,
* or it could be a character where line is wrapped, we do want
* block cursor in latter case */
if (g_utf8_next_char (text + index) - text !=
layout_line->start_index + layout_line->length)
{
/* zero-width character in the middle of the line, do not
* bother with block cursor */
return FALSE;
}
}
/* Cursor is at the line end. It may be an empty line, or it could
* be on the left or on the right depending on text direction, or it
* even could be in the middle of visual layout in bidi text. */
pango_layout_get_cursor_pos (layout, index, &strong_pos, &weak_pos);
if (strong_pos.x != weak_pos.x)
{
/* do not show block cursor in this case, since the character typed
* in may or may not appear at the cursor position */
return FALSE;
}
/* In case when index points to the end of line, pos->x is always most right
* pixel of the layout line, so we need to correct it for RTL text. */
if (layout_line->length)
{
if (layout_line->resolved_dir == PANGO_DIRECTION_RTL)
{
PangoLayoutIter *iter;
PangoRectangle line_rect;
2020-07-24 13:54:49 +00:00
int i;
int left, right;
2020-07-24 18:40:36 +00:00
const char *p;
p = g_utf8_prev_char (text + index);
pango_layout_line_index_to_x (layout_line, p - text, FALSE, &left);
pango_layout_line_index_to_x (layout_line, p - text, TRUE, &right);
pos->x = MIN (left, right);
iter = pango_layout_get_iter (layout);
for (i = 0; i < line_no; i++)
pango_layout_iter_next_line (iter);
pango_layout_iter_get_line_extents (iter, NULL, &line_rect);
pango_layout_iter_free (iter);
rtl = TRUE;
pos->x += line_rect.x;
}
else
rtl = FALSE;
}
else
{
PangoContext *context = pango_layout_get_context (layout);
rtl = pango_context_get_base_dir (context) == PANGO_DIRECTION_RTL;
}
pos->width = layout_get_char_width (layout);
if (rtl)
pos->x -= pos->width - 1;
if (at_line_end)
*at_line_end = TRUE;
return pos->width != 0;
}