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pass a widget context to help pango.

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2002-02-27  Michael Meeks  <michael@ximian.com>

	* libnautilus-private/nautilus-file-operations.c
	(handle_transfer_overwrite, handle_transfer_vfs_error),
	(handle_transfer_overwrite): pass a widget context to
	help pango.
	(extract_and_ellipsize_file_name_for_dialog),
	(format_and_ellipsize_uri_for_dialog): pass pango context
	to ellipsization.
	(ellipsize_string_for_dialog): re-implement for pango.
	(get_label_font): kill.
This commit is contained in:
Michael Meeks 2002-02-27 10:02:47 +00:00 committed by Michael Meeks
parent ea26c5ef58
commit c8fd894632
2 changed files with 45 additions and 59 deletions
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12
ChangeLog
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@ -1,3 +1,15 @@
2002-02-27 Michael Meeks <michael@ximian.com>
* libnautilus-private/nautilus-file-operations.c
(handle_transfer_overwrite, handle_transfer_vfs_error),
(handle_transfer_overwrite): pass a widget context to
help pango.
(extract_and_ellipsize_file_name_for_dialog),
(format_and_ellipsize_uri_for_dialog): pass pango context
to ellipsization.
(ellipsize_string_for_dialog): re-implement for pango.
(get_label_font): kill.
2002-02-27 Darin Adler <darin@bentspoon.com>
* src/nautilus-sidebar-tabs.c: (make_tab_text_layout): New

92
libnautilus-private/nautilus-file-operations.c
View file

@ -32,6 +32,7 @@
#include "nautilus-lib-self-check-functions.h"
#include <eel/eel-glib-extensions.h>
#include <eel/eel-pango-extensions.h>
#include <eel/eel-gtk-extensions.h>
#include <eel/eel-stock-dialogs.h>
#include <eel/eel-vfs-extensions.h>
@ -195,80 +196,48 @@ icon_position_iterator_get_next (IconPositionIterator *position_iterator,
return TRUE;
}
#if GNOME2_CONVERSION_COMPLETE
static GdkFont *
get_label_font (void)
{
GtkWidget *label;
GtkStyle *style;
GdkFont *font;
/* FIXME: Does this really pick up the correct font if the rc
* file has a special case for the particular dialog we are
* preparing?
*/
label = gtk_label_new ("");
style = gtk_widget_get_style (label);
font = style->font;
gdk_font_ref (font);
gtk_object_sink (GTK_OBJECT (label));
return font;
}
#endif
static char *
ellipsize_string_for_dialog (const char *str)
ellipsize_string_for_dialog (PangoContext *context, const char *str)
{
char *result;
#ifdef GNOME2_CONVERSION_COMPLETE
GdkFont *font;
int maximum_width;
char *result;
PangoLayout *layout;
PangoFontMetrics *metrics;
/* I believe the most appropriate fix here is to change it to be based on
* some number of characters, rather than on a pixel width.
* We just can't do anything sane with the pixel width since
* we don't have all the PangoLayout information.
*
* So in brief we want an ellipsize function in eel which
* takes a number of chars, computes log attrs for the string,
* and chops the string at one of the is_cursor_position points,
* such that the string has fewer chars than the given number.
*
* Code in nautilus-news.c implements this in a UTF-8-unsafe way,
* should be moved to Eel and used here as well.
*/
/* get a nice length to ellipsize to, based on the font */
font = get_label_font ();
maximum_width = gdk_string_width (font, "MMMMMMMMMMMMMMMMMMMMMM");
layout = pango_layout_new (context);
result = eel_string_ellipsize (str, font, maximum_width, EEL_ELLIPSIZE_MIDDLE);
gdk_font_unref (font);
#else
result = g_strdup (str);
#endif
metrics = pango_context_get_metrics (
context, pango_context_get_font_description (context), NULL);
maximum_width = pango_font_metrics_get_approximate_char_width (metrics) * 25 / PANGO_SCALE;
pango_font_metrics_unref (metrics);
eel_pango_layout_set_text_ellipsized (
layout, str, maximum_width, EEL_ELLIPSIZE_MIDDLE);
result = g_strdup (pango_layout_get_text (layout));
g_object_unref (layout);
return result;
}
static char *
format_and_ellipsize_uri_for_dialog (const char *uri)
format_and_ellipsize_uri_for_dialog (GtkWidget *context, const char *uri)
{
char *unescaped, *result;
unescaped = eel_format_uri_for_display (uri);
result = ellipsize_string_for_dialog (unescaped);
result = ellipsize_string_for_dialog (
gtk_widget_get_pango_context (context), unescaped);
g_free (unescaped);
return result;
}
static char *
extract_and_ellipsize_file_name_for_dialog (const char *uri)
extract_and_ellipsize_file_name_for_dialog (GtkWidget *context, const char *uri)
{
char *basename;
char *unescaped, *result;
@ -277,7 +246,8 @@ extract_and_ellipsize_file_name_for_dialog (const char *uri)
g_return_val_if_fail (basename != NULL, NULL);
unescaped = gnome_vfs_unescape_string_for_display (basename);
result = ellipsize_string_for_dialog (unescaped);
result = ellipsize_string_for_dialog (
gtk_widget_get_pango_context (context), unescaped);
g_free (unescaped);
g_free (basename);
@ -835,12 +805,14 @@ handle_transfer_vfs_error (const GnomeVFSXferProgressInfo *progress_info,
if (progress_info->source_name != NULL) {
formatted_source_name = format_and_ellipsize_uri_for_dialog
(progress_info->source_name);
(parent_for_error_dialog (transfer_info),
progress_info->source_name);
}
if (progress_info->target_name != NULL) {
formatted_target_name = format_and_ellipsize_uri_for_dialog
(progress_info->target_name);
(parent_for_error_dialog (transfer_info),
progress_info->target_name);
}
error_kind = ERROR_OTHER;
@ -1035,7 +1007,8 @@ handle_transfer_overwrite (const GnomeVFSXferProgressInfo *progress_info,
/* Handle special case files such as Trash, mount links and home directory */
if (is_special_link (progress_info->target_name)) {
formatted_name = extract_and_ellipsize_file_name_for_dialog
(progress_info->target_name);
(parent_for_error_dialog (transfer_info),
progress_info->target_name);
if (transfer_info->kind == TRANSFER_MOVE) {
text = g_strdup_printf (_("\"%s\" could not be moved to the new location, "
@ -1061,7 +1034,8 @@ handle_transfer_overwrite (const GnomeVFSXferProgressInfo *progress_info,
}
/* transfer conflict, prompt the user to replace or skip */
formatted_name = format_and_ellipsize_uri_for_dialog (progress_info->target_name);
formatted_name = format_and_ellipsize_uri_for_dialog (
parent_for_error_dialog (transfer_info), progress_info->target_name);
text = g_strdup_printf (_("File \"%s\" already exists.\n\n"
"Would you like to replace it?"),
formatted_name);