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Make Open, Save As dialogs start in project base path (or default

Browse Source 
path pref) when the current file has no filename.
Split up widget setup code for dialogs_show_open_file(),
dialogs_show_save_as().
Add initial_dir argument for win32_show_file_dialog().
Add utils_get_default_dir_utf8().
Rename utils_get_current_file_dir() to
utils_get_current_file_dir_utf8().


git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@2122 ea778897-0a13-0410-b9d1-a72fbfd435f5
This commit is contained in:
Nick Treleaven 2007-12-21 17:25:58 +00:00
parent 4e262328bd
commit 39738f90ca
7 changed files with 215 additions and 164 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
ChangeLog
View File

@ -9,6 +9,16 @@
* src/utils.c:
Make utils_get_utf8_from_locale(), utils_get_locale_from_utf8()
NULL-safe.
* src/utils.c, src/win32.c, src/utils.h, src/win32.h, src/dialogs.c,
src/search.c:
Make Open, Save As dialogs start in project base path (or default
path pref) when the current file has no filename.
Split up widget setup code for dialogs_show_open_file(),
dialogs_show_save_as().
Add initial_dir argument for win32_show_file_dialog().
Add utils_get_default_dir_utf8().
Rename utils_get_current_file_dir() to
utils_get_current_file_dir_utf8().
2007-12-19 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>

333
src/dialogs.c
View File

@ -157,115 +157,116 @@ on_file_open_check_hidden_toggled (GtkToggleButton *togglebutton,
#endif
/* This shows the file selection dialog to open a file. */
void dialogs_show_open_file ()
#if ! GEANY_USE_WIN32_DIALOG
static void create_open_file_dialog()
{
GtkWidget *filetype_combo, *encoding_combo;
GtkWidget *viewbtn;
GtkTooltips *tooltips = GTK_TOOLTIPS(lookup_widget(app->window, "tooltips"));
gint i;
gchar *encoding_string;
ui_widgets.open_filesel = gtk_file_chooser_dialog_new(_("Open File"), GTK_WINDOW(app->window),
GTK_FILE_CHOOSER_ACTION_OPEN, NULL, NULL);
gtk_widget_set_name(ui_widgets.open_filesel, "GeanyDialog");
viewbtn = gtk_button_new_with_mnemonic(_("_View"));
gtk_tooltips_set_tip(tooltips, viewbtn,
_("Opens the file in read-only mode. If you choose more than one file to open, all files will be opened read-only."), NULL);
gtk_widget_show(viewbtn);
gtk_dialog_add_action_widget(GTK_DIALOG(ui_widgets.open_filesel),
viewbtn, GTK_RESPONSE_APPLY);
gtk_dialog_add_buttons(GTK_DIALOG(ui_widgets.open_filesel),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL);
gtk_dialog_set_default_response(GTK_DIALOG(ui_widgets.open_filesel),
GTK_RESPONSE_ACCEPT);
gtk_widget_set_size_request(ui_widgets.open_filesel, -1, 460);
gtk_window_set_modal(GTK_WINDOW(ui_widgets.open_filesel), TRUE);
gtk_window_set_destroy_with_parent(GTK_WINDOW(ui_widgets.open_filesel), TRUE);
gtk_window_set_skip_taskbar_hint(GTK_WINDOW(ui_widgets.open_filesel), TRUE);
gtk_window_set_type_hint(GTK_WINDOW(ui_widgets.open_filesel), GDK_WINDOW_TYPE_HINT_DIALOG);
gtk_window_set_transient_for(GTK_WINDOW(ui_widgets.open_filesel), GTK_WINDOW(app->window));
gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(ui_widgets.open_filesel), TRUE);
// add checkboxes and filename entry
gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(ui_widgets.open_filesel),
add_file_open_extra_widget());
filetype_combo = lookup_widget(ui_widgets.open_filesel, "filetype_combo");
// add FileFilters(start with "All Files")
gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(ui_widgets.open_filesel),
filetypes_create_file_filter(filetypes[GEANY_FILETYPES_ALL]));
// now create meta filter "All Source"
gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(ui_widgets.open_filesel),
filetypes_create_file_filter_all_source());
for (i = 0; i < GEANY_MAX_FILE_TYPES - 1; i++)
{
gtk_combo_box_append_text(GTK_COMBO_BOX(filetype_combo), filetypes[i]->title);
gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(ui_widgets.open_filesel),
filetypes_create_file_filter(filetypes[i]));
}
gtk_combo_box_append_text(GTK_COMBO_BOX(filetype_combo), _("Detect by file extension"));
gtk_combo_box_set_active(GTK_COMBO_BOX(filetype_combo), GEANY_MAX_FILE_TYPES - 1);
// fill encoding combo box
encoding_combo = lookup_widget(ui_widgets.open_filesel, "encoding_combo");
for (i = 0; i < GEANY_ENCODINGS_MAX; i++)
{
encoding_string = encodings_to_string(&encodings[i]);
gtk_combo_box_append_text(GTK_COMBO_BOX(encoding_combo), encoding_string);
g_free(encoding_string);
}
gtk_combo_box_append_text(GTK_COMBO_BOX(encoding_combo), _("Detect from file"));
gtk_combo_box_set_active(GTK_COMBO_BOX(encoding_combo), GEANY_ENCODINGS_MAX);
g_signal_connect((gpointer) ui_widgets.open_filesel, "selection-changed",
G_CALLBACK(on_file_open_selection_changed), NULL);
g_signal_connect ((gpointer) ui_widgets.open_filesel, "delete_event",
G_CALLBACK(gtk_widget_hide_on_delete), NULL);
g_signal_connect((gpointer) ui_widgets.open_filesel, "response",
G_CALLBACK(on_file_open_dialog_response), NULL);
}
#endif
/* This shows the file selection dialog to open a file. */
void dialogs_show_open_file()
{
#if GEANY_USE_WIN32_DIALOG
win32_show_file_dialog(TRUE);
#else /* X11, not win32: use GTK_FILE_CHOOSER */
gchar *initdir;
// set dialog directory to the current file's directory, if present
initdir = utils_get_current_file_dir_utf8();
// use project or default startup directory (if set) if no files are open
/// TODO should it only be used when initally open the dialog and not on every show?
if (! initdir)
initdir = g_strdup(utils_get_default_dir_utf8());
setptr(initdir, utils_get_locale_from_utf8(initdir));
#if GEANY_USE_WIN32_DIALOG
win32_show_file_dialog(TRUE, initdir);
#else /* X11, not win32: use GTK_FILE_CHOOSER */
/* We use the same file selection widget each time, so first
of all we create it if it hasn't already been created. */
if (ui_widgets.open_filesel == NULL)
{
GtkWidget *filetype_combo, *encoding_combo;
GtkWidget *viewbtn;
GtkTooltips *tooltips = GTK_TOOLTIPS(lookup_widget(app->window, "tooltips"));
gint i;
gchar *encoding_string;
create_open_file_dialog();
ui_widgets.open_filesel = gtk_file_chooser_dialog_new(_("Open File"), GTK_WINDOW(app->window),
GTK_FILE_CHOOSER_ACTION_OPEN, NULL, NULL);
gtk_widget_set_name(ui_widgets.open_filesel, "GeanyDialog");
viewbtn = gtk_button_new_with_mnemonic(_("_View"));
gtk_tooltips_set_tip(tooltips, viewbtn,
_("Opens the file in read-only mode. If you choose more than one file to open, all files will be opened read-only."), NULL);
gtk_widget_show(viewbtn);
gtk_dialog_add_action_widget(GTK_DIALOG(ui_widgets.open_filesel),
viewbtn, GTK_RESPONSE_APPLY);
gtk_dialog_add_buttons(GTK_DIALOG(ui_widgets.open_filesel),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL);
gtk_dialog_set_default_response(GTK_DIALOG(ui_widgets.open_filesel),
GTK_RESPONSE_ACCEPT);
gtk_widget_set_size_request(ui_widgets.open_filesel, -1, 460);
gtk_window_set_modal(GTK_WINDOW(ui_widgets.open_filesel), TRUE);
gtk_window_set_destroy_with_parent(GTK_WINDOW(ui_widgets.open_filesel), TRUE);
gtk_window_set_skip_taskbar_hint(GTK_WINDOW(ui_widgets.open_filesel), TRUE);
gtk_window_set_type_hint(GTK_WINDOW(ui_widgets.open_filesel), GDK_WINDOW_TYPE_HINT_DIALOG);
gtk_window_set_transient_for(GTK_WINDOW(ui_widgets.open_filesel), GTK_WINDOW(app->window));
gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(ui_widgets.open_filesel), TRUE);
// add checkboxes and filename entry
gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(ui_widgets.open_filesel),
add_file_open_extra_widget());
filetype_combo = lookup_widget(ui_widgets.open_filesel, "filetype_combo");
// add FileFilters(start with "All Files")
gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(ui_widgets.open_filesel),
filetypes_create_file_filter(filetypes[GEANY_FILETYPES_ALL]));
// now create meta filter "All Source"
gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(ui_widgets.open_filesel),
filetypes_create_file_filter_all_source());
for (i = 0; i < GEANY_MAX_FILE_TYPES - 1; i++)
{
gtk_combo_box_append_text(GTK_COMBO_BOX(filetype_combo), filetypes[i]->title);
gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(ui_widgets.open_filesel),
filetypes_create_file_filter(filetypes[i]));
}
gtk_combo_box_append_text(GTK_COMBO_BOX(filetype_combo), _("Detect by file extension"));
gtk_combo_box_set_active(GTK_COMBO_BOX(filetype_combo), GEANY_MAX_FILE_TYPES - 1);
// fill encoding combo box
encoding_combo = lookup_widget(ui_widgets.open_filesel, "encoding_combo");
for (i = 0; i < GEANY_ENCODINGS_MAX; i++)
{
encoding_string = encodings_to_string(&encodings[i]);
gtk_combo_box_append_text(GTK_COMBO_BOX(encoding_combo), encoding_string);
g_free(encoding_string);
}
gtk_combo_box_append_text(GTK_COMBO_BOX(encoding_combo), _("Detect from file"));
gtk_combo_box_set_active(GTK_COMBO_BOX(encoding_combo), GEANY_ENCODINGS_MAX);
g_signal_connect((gpointer) ui_widgets.open_filesel, "selection-changed",
G_CALLBACK(on_file_open_selection_changed), NULL);
g_signal_connect ((gpointer) ui_widgets.open_filesel, "delete_event",
G_CALLBACK(gtk_widget_hide_on_delete), NULL);
g_signal_connect((gpointer) ui_widgets.open_filesel, "response",
G_CALLBACK(on_file_open_dialog_response), NULL);
}
// set dialog directory to the current file's directory, if present
initdir = utils_get_current_file_dir();
if (initdir != NULL)
{
gchar *locale_filename;
locale_filename = utils_get_locale_from_utf8(initdir);
if (g_path_is_absolute(locale_filename))
if (g_path_is_absolute(initdir))
gtk_file_chooser_set_current_folder(
GTK_FILE_CHOOSER(ui_widgets.open_filesel), locale_filename);
g_free(initdir);
g_free(locale_filename);
}
// use default startup directory(if set) if no files are open
/// TODO should it only be used when initally open the dialog and not on every show?
else if (prefs.default_open_path != NULL && *prefs.default_open_path != '\0')
{
if (g_path_is_absolute(prefs.default_open_path))
gtk_file_chooser_set_current_folder(
GTK_FILE_CHOOSER(ui_widgets.open_filesel), prefs.default_open_path);
GTK_FILE_CHOOSER(ui_widgets.open_filesel), initdir);
}
gtk_file_chooser_unselect_all(GTK_FILE_CHOOSER(ui_widgets.open_filesel));
gtk_widget_show(ui_widgets.open_filesel);
#endif
g_free(initdir);
}
@ -443,62 +444,68 @@ on_file_save_dialog_response (GtkDialog *dialog,
#endif
/* Show the Save As dialog for the current notebook page.
* Returns: TRUE if the file was saved. */
gboolean dialogs_show_save_as()
#if ! GEANY_USE_WIN32_DIALOG
static void create_save_file_dialog()
{
GtkWidget *vbox, *check_open_new_tab, *rename_btn;
GtkTooltips *tooltips = GTK_TOOLTIPS(lookup_widget(app->window, "tooltips"));
ui_widgets.save_filesel = gtk_file_chooser_dialog_new(_("Save File"), GTK_WINDOW(app->window),
GTK_FILE_CHOOSER_ACTION_SAVE, NULL, NULL);
gtk_window_set_modal(GTK_WINDOW(ui_widgets.save_filesel), TRUE);
gtk_window_set_destroy_with_parent(GTK_WINDOW(ui_widgets.save_filesel), TRUE);
gtk_window_set_skip_taskbar_hint(GTK_WINDOW(ui_widgets.save_filesel), TRUE);
gtk_window_set_type_hint(GTK_WINDOW(ui_widgets.save_filesel), GDK_WINDOW_TYPE_HINT_DIALOG);
gtk_widget_set_name(ui_widgets.save_filesel, "GeanyDialog");
rename_btn = gtk_button_new_with_mnemonic(_("R_ename"));
gtk_tooltips_set_tip(tooltips, rename_btn,
_("Save the file and rename it."), NULL);
gtk_widget_show(rename_btn);
gtk_dialog_add_action_widget(GTK_DIALOG(ui_widgets.save_filesel),
rename_btn, GTK_RESPONSE_APPLY);
gtk_dialog_add_buttons(GTK_DIALOG(ui_widgets.save_filesel),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL);
gtk_dialog_set_default_response(GTK_DIALOG(ui_widgets.save_filesel), GTK_RESPONSE_ACCEPT);
vbox = gtk_vbox_new(FALSE, 0);
check_open_new_tab = gtk_check_button_new_with_mnemonic(_("_Open file in a new tab"));
gtk_tooltips_set_tip(tooltips, check_open_new_tab,
_("Keep the current unsaved document open"
" and open the newly saved file in a new tab."), NULL);
gtk_box_pack_start(GTK_BOX(vbox), check_open_new_tab, FALSE, FALSE, 0);
gtk_widget_show_all(vbox);
gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(ui_widgets.save_filesel), vbox);
g_signal_connect(check_open_new_tab, "toggled",
G_CALLBACK(on_save_as_new_tab_toggled), rename_btn);
g_object_set_data_full(G_OBJECT(ui_widgets.save_filesel), "check_open_new_tab",
gtk_widget_ref(check_open_new_tab), (GDestroyNotify) gtk_widget_unref);
g_signal_connect((gpointer) ui_widgets.save_filesel, "delete_event",
G_CALLBACK(gtk_widget_hide_on_delete), NULL);
g_signal_connect((gpointer) ui_widgets.save_filesel, "response",
G_CALLBACK(on_file_save_dialog_response), NULL);
gtk_window_set_transient_for(GTK_WINDOW(ui_widgets.save_filesel), GTK_WINDOW(app->window));
}
#endif
#if ! GEANY_USE_WIN32_DIALOG
static gboolean gtk_show_save_as(const gchar *initdir)
{
#if GEANY_USE_WIN32_DIALOG
return win32_show_file_dialog(FALSE);
#else
gint idx = document_get_cur_idx(), resp;
if (ui_widgets.save_filesel == NULL)
{
GtkWidget *vbox, *check_open_new_tab, *rename_btn;
GtkTooltips *tooltips = GTK_TOOLTIPS(lookup_widget(app->window, "tooltips"));
create_save_file_dialog();
ui_widgets.save_filesel = gtk_file_chooser_dialog_new(_("Save File"), GTK_WINDOW(app->window),
GTK_FILE_CHOOSER_ACTION_SAVE, NULL, NULL);
gtk_window_set_modal(GTK_WINDOW(ui_widgets.save_filesel), TRUE);
gtk_window_set_destroy_with_parent(GTK_WINDOW(ui_widgets.save_filesel), TRUE);
gtk_window_set_skip_taskbar_hint(GTK_WINDOW(ui_widgets.save_filesel), TRUE);
gtk_window_set_type_hint(GTK_WINDOW(ui_widgets.save_filesel), GDK_WINDOW_TYPE_HINT_DIALOG);
gtk_widget_set_name(ui_widgets.save_filesel, "GeanyDialog");
rename_btn = gtk_button_new_with_mnemonic(_("R_ename"));
gtk_tooltips_set_tip(tooltips, rename_btn,
_("Save the file and rename it."), NULL);
gtk_widget_show(rename_btn);
gtk_dialog_add_action_widget(GTK_DIALOG(ui_widgets.save_filesel),
rename_btn, GTK_RESPONSE_APPLY);
gtk_dialog_add_buttons(GTK_DIALOG(ui_widgets.save_filesel),
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL);
gtk_dialog_set_default_response(GTK_DIALOG(ui_widgets.save_filesel), GTK_RESPONSE_ACCEPT);
vbox = gtk_vbox_new(FALSE, 0);
check_open_new_tab = gtk_check_button_new_with_mnemonic(_("_Open file in a new tab"));
gtk_tooltips_set_tip(tooltips, check_open_new_tab,
_("Keep the current unsaved document open"
" and open the newly saved file in a new tab."), NULL);
gtk_box_pack_start(GTK_BOX(vbox), check_open_new_tab, FALSE, FALSE, 0);
gtk_widget_show_all(vbox);
gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(ui_widgets.save_filesel), vbox);
g_signal_connect(check_open_new_tab, "toggled",
G_CALLBACK(on_save_as_new_tab_toggled), rename_btn);
g_object_set_data_full(G_OBJECT(ui_widgets.save_filesel), "check_open_new_tab",
gtk_widget_ref(check_open_new_tab), (GDestroyNotify) gtk_widget_unref);
g_signal_connect((gpointer) ui_widgets.save_filesel, "delete_event",
G_CALLBACK(gtk_widget_hide_on_delete), NULL);
g_signal_connect((gpointer) ui_widgets.save_filesel, "response",
G_CALLBACK(on_file_save_dialog_response), NULL);
gtk_window_set_transient_for(GTK_WINDOW(ui_widgets.save_filesel), GTK_WINDOW(app->window));
}
if (initdir && g_path_is_absolute(initdir))
gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(ui_widgets.save_filesel),
initdir);
// If the current document has a filename we use that as the default.
if (doc_list[idx].file_name != NULL)
@ -525,23 +532,39 @@ gboolean dialogs_show_save_as()
gtk_file_chooser_unselect_all(GTK_FILE_CHOOSER(ui_widgets.save_filesel));
gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(ui_widgets.save_filesel), fname);
// use default startup directory(if set) if no files are open
if (prefs.default_open_path != NULL && *prefs.default_open_path != '\0')
{
if (g_path_is_absolute(prefs.default_open_path))
{
gchar *def_path = utils_get_locale_from_utf8(prefs.default_open_path);
gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(ui_widgets.save_filesel), def_path);
g_free(def_path);
}
}
g_free(fname);
}
// Run the dialog synchronously, pausing this function call
resp = gtk_dialog_run(GTK_DIALOG(ui_widgets.save_filesel));
return (resp == GTK_RESPONSE_ACCEPT);
}
#endif
/* Show the Save As dialog for the current notebook page.
* Returns: TRUE if the file was saved. */
gboolean dialogs_show_save_as()
{
gboolean result;
gchar *initdir = NULL;
initdir = utils_get_current_file_dir_utf8();
// use project or default startup directory (if set) if no files are open
/// TODO should it only be used when initally open the dialog and not on every show?
if (! initdir)
initdir = g_strdup(utils_get_default_dir_utf8());
setptr(initdir, utils_get_locale_from_utf8(initdir));
#if GEANY_USE_WIN32_DIALOG
result = win32_show_file_dialog(FALSE, initdir);
#else
result = gtk_show_save_as(initdir);
#endif
g_free(initdir);
return result;
}

2
src/search.c
View File

@ -717,7 +717,7 @@ void search_show_find_in_files_dialog(const gchar *dir)
if (NZV(dir))
cur_dir = g_strdup(dir);
else
cur_dir = utils_get_current_file_dir();
cur_dir = utils_get_current_file_dir_utf8();
if (cur_dir)
{
gtk_entry_set_text(GTK_ENTRY(entry), cur_dir);

19
src/utils.c
View File

@ -52,6 +52,7 @@
#include "sciwrappers.h"
#include "dialogs.h"
#include "win32.h"
#include "project.h"
#include "utils.h"
@ -1040,7 +1041,7 @@ gchar *utils_get_hex_from_color(GdkColor *color)
/* Get directory from current file in the notebook.
* Returns dir string that should be freed or NULL, depending on whether current file is valid.
* Returned string is in UTF-8 encoding */
gchar *utils_get_current_file_dir()
gchar *utils_get_current_file_dir_utf8()
{
gint cur_idx = document_get_cur_idx();
@ -1658,3 +1659,19 @@ gboolean utils_string_replace_all(GString *str, const gchar *needle, const gchar
}
/* Get project or default startup directory (if set), or NULL. */
const gchar *utils_get_default_dir_utf8()
{
if (app->project && NZV(app->project->base_path))
{
return app->project->base_path;
}
if (NZV(prefs.default_open_path))
{
return prefs.default_open_path;
}
return NULL;
}

4
src/utils.h
View File

@ -115,7 +115,9 @@ void utils_replace_filename(gint idx);
gchar *utils_get_hex_from_color(GdkColor *color);
gchar *utils_get_current_file_dir();
const gchar *utils_get_default_dir_utf8();
gchar *utils_get_current_file_dir_utf8();
void utils_beep();

9
src/win32.c
View File

@ -260,13 +260,13 @@ gchar *win32_show_project_open_dialog(GtkWidget *parent, const gchar *title,
}
// return TRUE if the dialog was not cancelled.
gboolean win32_show_file_dialog(gboolean file_open)
/* initial_dir can be NULL to use the current working directory.
* Returns: TRUE if the dialog was not cancelled. */
gboolean win32_show_file_dialog(gboolean file_open, const gchar *initial_dir)
{
OPENFILENAME of;
gint retval;
gchar *fname = g_malloc(2048);
gchar *current_dir = utils_get_current_file_dir();
gchar *filters = win32_get_file_filters();
fname[0] = '\0';
@ -284,7 +284,7 @@ gboolean win32_show_file_dialog(gboolean file_open)
of.lpstrCustomFilter = NULL;
of.nFilterIndex = GEANY_FILETYPES_ALL + 1;
of.lpstrFile = fname;
of.lpstrInitialDir = current_dir;
of.lpstrInitialDir = initial_dir;
of.nMaxFile = 2048;
of.lpstrFileTitle = NULL;
of.lpstrTitle = NULL;
@ -300,7 +300,6 @@ gboolean win32_show_file_dialog(gboolean file_open)
retval = GetSaveFileName(&of);
}
g_free(current_dir);
g_free(filters);
if (!retval)

2
src/win32.h
View File

@ -27,7 +27,7 @@
void win32_show_pref_file_dialog(GtkEntry *item);
gboolean win32_show_file_dialog(gboolean file_open);
gboolean win32_show_file_dialog(gboolean file_open, const gchar *initial_dir);
void win32_show_font_dialog(void);