Desktop
/* $Id: editor.c,v 1.62 2011/06/27 01:46:43 khorben Exp $ */
static char const _copyright[] =
"Copyright (c) 2011 Pierre Pronchery <khorben@defora.org>";
/* This file is part of DeforaOS Desktop Editor */
static char const _license[] =
"This program is free software: you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation, version 3 of the License.\n"
"\n"
"This program is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with this program. If not, see <http://www.gnu.org/licenses/>.\n";
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <errno.h>
#include <libintl.h>
#include <gdk/gdkkeysyms.h>
#include <Desktop.h>
#include "callbacks.h"
#include "editor.h"
#include "../config.h"
#define _(string) gettext(string)
#define N_(string) (string)
/* Editor */
/* private */
/* constants */
#define EDITOR_CONFIG_FILE ".editor"
#define EDITOR_DEFAULT_FONT "Monospace 9"
/* types */
struct _Editor
{
char * filename;
size_t search;
Config * config;
/* widgets */
GtkWidget * window;
GtkWidget * view;
GtkWidget * statusbar;
/* preferences */
GtkWidget * pr_window;
GtkWidget * pr_font;
GtkWidget * pr_wrap;
/* find */
GtkWidget * fi_dialog;
GtkWidget * fi_text;
GtkWidget * fi_case;
GtkWidget * fi_wrap;
/* about */
GtkWidget * ab_window;
};
/* variables */
static char const * _authors[] =
{
"Pierre Pronchery <khorben@defora.org>",
NULL
};
#ifdef EMBEDDED
static DesktopAccel _editor_accel[] =
{
{ G_CALLBACK(on_close), GDK_CONTROL_MASK, GDK_KEY_w },
{ G_CALLBACK(on_new), GDK_CONTROL_MASK, GDK_KEY_n },
{ G_CALLBACK(on_open), GDK_CONTROL_MASK, GDK_KEY_o },
{ G_CALLBACK(on_preferences), GDK_CONTROL_MASK, GDK_KEY_p },
{ G_CALLBACK(on_save), GDK_CONTROL_MASK, GDK_KEY_s },
{ G_CALLBACK(on_save_as), GDK_CONTROL_MASK, GDK_KEY_S },
{ NULL, 0, 0 }
};
#endif
#ifndef EMBEDDED
static DesktopMenu _editor_menu_file[] =
{
{ N_("_New"), G_CALLBACK(on_file_new), GTK_STOCK_NEW, GDK_CONTROL_MASK,
GDK_KEY_N },
{ N_("_Open"), G_CALLBACK(on_file_open), GTK_STOCK_OPEN,
GDK_CONTROL_MASK, GDK_KEY_O },
{ "", NULL, NULL, 0, 0 },
{ N_("_Save"), G_CALLBACK(on_file_save), GTK_STOCK_SAVE,
GDK_CONTROL_MASK, GDK_KEY_S },
{ N_("_Save as..."), G_CALLBACK(on_file_save_as), GTK_STOCK_SAVE_AS,
GDK_CONTROL_MASK | GDK_SHIFT_MASK, GDK_KEY_S },
{ "", NULL, NULL, 0, 0 },
{ N_("_Close"), G_CALLBACK(on_file_close), GTK_STOCK_CLOSE, 0, 0 },
{ NULL, NULL, NULL, 0, 0 }
};
static DesktopMenu _editor_menu_edit[] =
{
/* FIXME implement undo and redo */
{ N_("_Undo"), NULL, GTK_STOCK_UNDO, GDK_CONTROL_MASK,
GDK_KEY_Z },
{ N_("_Redo"), NULL, GTK_STOCK_REDO, GDK_CONTROL_MASK, GDK_KEY_R },
{ "", NULL, NULL, 0, 0 },
{ N_("_Cut"), G_CALLBACK(on_edit_cut), GTK_STOCK_CUT, GDK_CONTROL_MASK,
GDK_KEY_X },
{ N_("_Copy"), G_CALLBACK(on_edit_copy), GTK_STOCK_COPY,
GDK_CONTROL_MASK, GDK_KEY_C },
{ N_("_Paste"), G_CALLBACK(on_edit_paste), GTK_STOCK_PASTE,
GDK_CONTROL_MASK, GDK_KEY_V },
{ "", NULL, NULL, 0, 0 },
{ N_("Select _all"), G_CALLBACK(on_edit_select_all),
#if GTK_CHECK_VERSION(2, 10, 0)
GTK_STOCK_SELECT_ALL,
#else
"edit-select-all",
#endif
GDK_CONTROL_MASK, GDK_KEY_A },
{ N_("_Unselect all"), G_CALLBACK(on_edit_unselect_all), NULL, 0, 0 },
{ "", NULL, NULL, 0, 0 },
{ N_("_Find"), G_CALLBACK(on_edit_find), GTK_STOCK_FIND,
GDK_CONTROL_MASK, GDK_KEY_F },
{ "", NULL, NULL, 0, 0 },
{ N_("_Preferences"), G_CALLBACK(on_edit_preferences),
GTK_STOCK_PREFERENCES, GDK_CONTROL_MASK, GDK_KEY_P },
{ NULL, NULL, NULL, 0, 0 }
};
static DesktopMenu _editor_menu_help[] =
{
{ N_("_About"), G_CALLBACK(on_help_about),
#if GTK_CHECK_VERSION(2, 6, 0)
GTK_STOCK_ABOUT, 0, 0 },
#else
NULL, 0, 0 },
#endif
{ NULL, NULL, NULL, 0, 0 }
};
static DesktopMenubar _editor_menubar[] =
{
{ N_("_File"), _editor_menu_file },
{ N_("_Edit"), _editor_menu_edit },
{ N_("_Help"), _editor_menu_help },
{ NULL, NULL }
};
#endif
static DesktopToolbar _editor_toolbar[] =
{
{ N_("New"), G_CALLBACK(on_new), GTK_STOCK_NEW, 0, 0, NULL },
{ N_("Open"), G_CALLBACK(on_open), GTK_STOCK_OPEN, 0, 0, NULL },
{ "", NULL, NULL, 0, 0, NULL },
{ N_("Save"), G_CALLBACK(on_save), GTK_STOCK_SAVE, 0, 0, NULL },
{ N_("Save as"), G_CALLBACK(on_save_as), GTK_STOCK_SAVE_AS, 0, 0,
NULL },
{ "", NULL, NULL, 0, 0, NULL },
{ N_("Cut"), G_CALLBACK(on_cut), GTK_STOCK_CUT, 0, 0, NULL },
{ N_("Copy"), G_CALLBACK(on_copy), GTK_STOCK_COPY, 0, 0, NULL },
{ N_("Paste"), G_CALLBACK(on_paste), GTK_STOCK_PASTE, 0, 0, NULL },
#ifdef EMBEDDED
{ "", NULL, NULL, 0, 0, NULL },
{ N_("Preferences"), G_CALLBACK(on_preferences), GTK_STOCK_PREFERENCES,
0, 0, NULL },
#endif
{ NULL, NULL, NULL, 0, 0, NULL }
};
static struct
{
char const * name;
GtkWrapMode wrap;
} _editor_wrap[] =
{
{ N_("none"), GTK_WRAP_NONE },
{ N_("characters"), GTK_WRAP_CHAR },
{ N_("words"), GTK_WRAP_WORD },
{ N_("words then characters"), GTK_WRAP_WORD_CHAR }
};
/* prototypes */
static char * _editor_config_filename(void);
static gboolean _editor_find(Editor * editor, char const * text,
gboolean sensitive, gboolean wrap);
/* public */
/* functions */
/* editor_new */
static void _new_set_title(Editor * editor);
Editor * editor_new(void)
{
Editor * editor;
GtkAccelGroup * group;
GtkWidget * vbox;
GtkWidget * widget;
if((editor = malloc(sizeof(*editor))) == NULL)
return NULL;
editor->config = config_new();
if(editor->config == NULL)
{
editor_delete(editor);
return NULL;
}
editor->filename = NULL;
editor->search = 0;
editor_config_load(editor);
/* widgets */
group = gtk_accel_group_new();
editor->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_add_accel_group(GTK_WINDOW(editor->window), group);
gtk_window_set_default_size(GTK_WINDOW(editor->window), 600, 400);
_new_set_title(editor);
#if GTK_CHECK_VERSION(2, 6, 0)
gtk_window_set_icon_name(GTK_WINDOW(editor->window), "text-editor");
#endif
g_signal_connect_swapped(G_OBJECT(editor->window), "delete-event",
G_CALLBACK(on_closex), editor);
vbox = gtk_vbox_new(FALSE, 0);
/* menubar */
#ifndef EMBEDDED
widget = desktop_menubar_create(_editor_menubar, editor, group);
gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, FALSE, 0);
#else
desktop_accel_create(_editor_accel, editor, group);
#endif
/* toolbar */
widget = desktop_toolbar_create(_editor_toolbar, editor, group);
gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, FALSE, 0);
/* view */
widget = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
editor->view = gtk_text_view_new();
editor_set_font(editor, editor_get_font(editor));
editor_set_wrap_mode(editor, editor_get_wrap_mode(editor));
gtk_container_add(GTK_CONTAINER(widget), editor->view);
gtk_box_pack_start(GTK_BOX(vbox), widget, TRUE, TRUE, 0);
/* statusbar */
editor->statusbar = gtk_statusbar_new();
gtk_box_pack_start(GTK_BOX(vbox), editor->statusbar, FALSE, TRUE, 0);
/* preferences */
editor->pr_window = NULL;
/* find */
editor->fi_dialog = NULL;
/* about */
editor->ab_window = NULL;
gtk_container_add(GTK_CONTAINER(editor->window), vbox);
gtk_window_set_focus(GTK_WINDOW(editor->window), editor->view);
gtk_widget_show_all(editor->window);
return editor;
}
static void _new_set_title(Editor * editor)
{
char buf[256];
snprintf(buf, sizeof(buf), "%s%s", _("Text editor - "), editor->filename
== NULL ? _("(Untitled)") : editor->filename);
gtk_window_set_title(GTK_WINDOW(editor->window), buf);
}
/* editor_delete */
void editor_delete(Editor * editor)
{
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(editor->config != NULL)
config_delete(editor->config);
free(editor);
}
/* accessors */
/* editor_get_font */
char const * editor_get_font(Editor * editor)
{
char const * p;
char * q;
GtkSettings * settings;
PangoFontDescription * desc;
if((p = config_get(editor->config, NULL, "font")) != NULL)
return p;
settings = gtk_settings_get_default();
g_object_get(G_OBJECT(settings), "gtk-font-name", &q, NULL);
if(q != NULL)
{
desc = pango_font_description_from_string(q);
g_free(q);
pango_font_description_set_family(desc, "monospace");
q = pango_font_description_to_string(desc);
config_set(editor->config, NULL, "font", q);
g_free(q);
pango_font_description_free(desc);
if((p = config_get(editor->config, NULL, "font")) != NULL)
return p;
}
return EDITOR_DEFAULT_FONT;
}
/* editor_get_wrap_mode */
GtkWrapMode editor_get_wrap_mode(Editor * editor)
{
char const * p;
unsigned int i;
if((p = config_get(editor->config, NULL, "wrap")) != NULL)
{
i = strtoul(p, NULL, 10);
if(i < sizeof(_editor_wrap) / sizeof(*_editor_wrap))
return _editor_wrap[i].wrap;
}
return GTK_WRAP_WORD_CHAR;
}
/* editor_set_font */
void editor_set_font(Editor * editor, char const * font)
{
PangoFontDescription * desc;
desc = pango_font_description_from_string(font);
gtk_widget_modify_font(editor->view, desc);
pango_font_description_free(desc);
config_set(editor->config, NULL, "font", font);
}
/* editor_set_wrap_mode */
void editor_set_wrap_mode(Editor * editor, GtkWrapMode wrap)
{
unsigned int i;
char buf[10];
gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(editor->view),
wrap);
for(i = 0; i < sizeof(_editor_wrap) / sizeof(*_editor_wrap); i++)
if(_editor_wrap[i].wrap == wrap)
{
snprintf(buf, sizeof(buf), "%u", i);
config_set(editor->config, NULL, "wrap", buf);
return;
}
}
/* useful */
/* editor_about */
static gboolean _about_on_closex(gpointer data);
void editor_about(Editor * editor)
{
if(editor->ab_window != NULL)
{
gtk_widget_show(editor->ab_window);
return;
}
editor->ab_window = desktop_about_dialog_new();
gtk_window_set_transient_for(GTK_WINDOW(editor->ab_window),
GTK_WINDOW(editor->window));
desktop_about_dialog_set_authors(editor->ab_window, _authors);
desktop_about_dialog_set_copyright(editor->ab_window, _copyright);
desktop_about_dialog_set_logo_icon_name(editor->ab_window,
"text-editor");
desktop_about_dialog_set_license(editor->ab_window, _license);
desktop_about_dialog_set_name(editor->ab_window, PACKAGE);
desktop_about_dialog_set_version(editor->ab_window, VERSION);
g_signal_connect_swapped(G_OBJECT(editor->ab_window), "delete-event",
G_CALLBACK(_about_on_closex), editor);
gtk_widget_show(editor->ab_window);
}
static gboolean _about_on_closex(gpointer data)
{
Editor * editor = data;
gtk_widget_hide(editor->ab_window);
return TRUE;
}
/* editor_config_load */
void editor_config_load(Editor * editor)
{
char * filename;
if((filename = _editor_config_filename()) == NULL)
return;
config_load(editor->config, filename); /* we can ignore errors */
free(filename);
}
/* editor_config_save */
void editor_config_save(Editor * editor)
{
char * filename;
if((filename = _editor_config_filename()) == NULL)
return;
if(config_save(editor->config, filename) != 0)
editor_error(editor, _("Could not save configuration"), 0);
free(filename);
}
/* editor_error */
int editor_error(Editor * editor, char const * message, int ret)
{
GtkWidget * dialog;
dialog = gtk_message_dialog_new(GTK_WINDOW(editor->window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s",
#if GTK_CHECK_VERSION(2, 6, 0)
_("Error"));
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
"%s",
#endif
message);
gtk_window_set_title(GTK_WINDOW(dialog), _("Error"));
g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(
gtk_widget_destroy), NULL);
gtk_widget_show(dialog);
return ret;
}
/* editor_close */
gboolean editor_close(Editor * editor)
{
GtkWidget * dialog;
int res;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(gtk_text_buffer_get_modified(gtk_text_view_get_buffer(GTK_TEXT_VIEW(
editor->view))) == FALSE)
{
gtk_main_quit();
return FALSE;
}
dialog = gtk_message_dialog_new(GTK_WINDOW(editor->window),
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_WARNING, GTK_BUTTONS_NONE, "%s",
#if GTK_CHECK_VERSION(2, 6, 0)
_("Warning"));
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
"%s",
#endif
_("There are unsaved changes.\n"
"Discard or save them?"));
gtk_dialog_add_buttons(GTK_DIALOG(dialog), GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL, GTK_STOCK_DISCARD,
GTK_RESPONSE_REJECT, GTK_STOCK_SAVE,
GTK_RESPONSE_ACCEPT, NULL);
gtk_window_set_title(GTK_WINDOW(dialog), _("Warning"));
res = gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
if(res == GTK_RESPONSE_CANCEL)
return TRUE;
else if(res == GTK_RESPONSE_ACCEPT && editor_save(editor) != TRUE)
return TRUE;
gtk_main_quit();
return FALSE;
}
/* editor_copy */
void editor_copy(Editor * editor)
{
GtkTextBuffer * buffer;
GtkClipboard * clipboard;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view));
clipboard = gtk_widget_get_clipboard(editor->view,
GDK_SELECTION_CLIPBOARD);
gtk_text_buffer_copy_clipboard(buffer, clipboard);
}
/* editor_cut */
void editor_cut(Editor * editor)
{
GtkTextBuffer * buffer;
GtkClipboard * clipboard;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view));
clipboard = gtk_widget_get_clipboard(editor->view,
GDK_SELECTION_CLIPBOARD);
gtk_text_buffer_cut_clipboard(buffer, clipboard, TRUE);
}
/* editor_find */
static void _find_dialog(Editor * editor);
static void _on_find_activate(GtkWidget * widget, gpointer data);
static void _on_find_response(GtkWidget * widget, gint response, gpointer data);
void editor_find(Editor * editor, char const * text)
{
if(editor->fi_dialog == NULL)
_find_dialog(editor);
if(text != NULL)
gtk_entry_set_text(GTK_ENTRY(editor->fi_text), text);
gtk_window_present(GTK_WINDOW(editor->fi_dialog));
}
static void _find_dialog(Editor * editor)
{
GtkWidget * vbox;
GtkWidget * hbox;
GtkWidget * widget;
editor->fi_dialog = gtk_dialog_new_with_buttons(_("Find text"),
GTK_WINDOW(editor->window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
GTK_STOCK_FIND, GTK_RESPONSE_ACCEPT, NULL);
#if GTK_CHECK_VERSION(2, 14, 0)
vbox = gtk_dialog_get_content_area(GTK_DIALOG(editor->fi_dialog));
#else
vbox = GTK_DIALOG(editor->fi_dialog)->vbox;
#endif
hbox = gtk_hbox_new(FALSE, 0);
widget = gtk_label_new(_("Text:"));
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
editor->fi_text = gtk_entry_new();
g_signal_connect(G_OBJECT(editor->fi_text), "activate", G_CALLBACK(
_on_find_activate), editor);
gtk_box_pack_start(GTK_BOX(hbox), editor->fi_text, TRUE, TRUE, 4);
gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 4);
editor->fi_case = gtk_check_button_new_with_label(_("Case-sensitive"));
gtk_box_pack_start(GTK_BOX(vbox), editor->fi_case, TRUE, TRUE, 4);
editor->fi_wrap = gtk_check_button_new_with_label(_("Wrap"));
gtk_box_pack_start(GTK_BOX(vbox), editor->fi_wrap, TRUE, TRUE, 4);
gtk_widget_show_all(vbox);
g_signal_connect(G_OBJECT(editor->fi_dialog), "response", G_CALLBACK(
_on_find_response), editor);
}
static void _on_find_activate(GtkWidget * widget, gpointer data)
{
Editor * editor = data;
char const * text;
gboolean sensitive;
gboolean wrap;
if((text = gtk_entry_get_text(GTK_ENTRY(widget))) == NULL
|| strlen(text) == 0)
return;
sensitive = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(
editor->fi_case));
wrap = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(
editor->fi_wrap));
if(_editor_find(editor, text, sensitive, wrap) == TRUE)
return;
editor_error(editor, _("Text not found"), 0);
}
static void _on_find_response(GtkWidget * widget, gint response, gpointer data)
{
Editor * editor = data;
if(response != GTK_RESPONSE_ACCEPT)
{
gtk_widget_hide(widget);
if(response == GTK_RESPONSE_DELETE_EVENT)
editor->fi_dialog = NULL;
return;
}
_on_find_activate(editor->fi_text, editor);
}
/* editor_open */
void editor_open(Editor * editor, char const * filename)
{
GtkWidget * dialog;
int res;
FILE * fp;
GtkTextBuffer * tbuf;
GtkTextIter iter;
char buf[BUFSIZ];
size_t len;
char * p;
size_t rlen;
size_t wlen;
GError * error = NULL;
if(gtk_text_buffer_get_modified(gtk_text_view_get_buffer(GTK_TEXT_VIEW(
editor->view))) == TRUE)
{
dialog = gtk_message_dialog_new(GTK_WINDOW(editor->window),
GTK_DIALOG_MODAL
| GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_WARNING, GTK_BUTTONS_NONE, "%s",
#if GTK_CHECK_VERSION(2, 6, 0)
_("Warning"));
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(
dialog), "%s",
#endif
_("There are unsaved changes.\n"
"Are you sure you want to discard them?"));
gtk_dialog_add_buttons(GTK_DIALOG(dialog), GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL,
#if GTK_CHECK_VERSION(2, 12, 0)
GTK_STOCK_DISCARD,
#else
_("Discard"),
#endif
GTK_RESPONSE_CLOSE, NULL);
gtk_window_set_title(GTK_WINDOW(dialog), _("Warning"));
res = gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
if(res != GTK_RESPONSE_CLOSE)
return;
}
tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view));
gtk_text_buffer_set_text(tbuf, "", 0);
editor->search = 0;
if(filename == NULL)
{
gtk_text_buffer_set_modified(tbuf, FALSE);
return;
}
if((fp = fopen(filename, "r")) == NULL)
{
snprintf(buf, sizeof(buf), "%s: %s", filename, strerror(errno));
editor_error(editor, buf, 1);
return;
}
tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view));
gtk_text_buffer_set_text(tbuf, "", 0);
while((len = fread(buf, sizeof(char), sizeof(buf), fp)) > 0)
{
gtk_text_buffer_get_end_iter(tbuf, &iter);
#if 0
if((p = g_convert(buf, len, "UTF-8", "ISO-8859-15", &rlen, &wlen, NULL)) != NULL)
{
gtk_text_buffer_insert(tbuf, &iter, p, wlen);
g_free(p);
}
else
gtk_text_buffer_insert(tbuf, &iter, buf, len);
#else
if((p = g_locale_to_utf8(buf, len, &rlen, &wlen, &error))
!= NULL)
/* FIXME may lose characters */
gtk_text_buffer_insert(tbuf, &iter, p, wlen);
else
gtk_text_buffer_insert(tbuf, &iter, buf, len);
#endif
}
fclose(fp);
gtk_text_buffer_set_modified(GTK_TEXT_BUFFER(gtk_text_view_get_buffer(
GTK_TEXT_VIEW(editor->view))), FALSE);
editor->filename = g_strdup(filename);
_new_set_title(editor); /* XXX make it a generic private function */
}
/* editor_open_dialog */
void editor_open_dialog(Editor * editor)
{
GtkWidget * dialog;
GtkFileFilter * filter;
char * filename = NULL;
dialog = gtk_file_chooser_dialog_new(_("Open file..."),
GTK_WINDOW(editor->window),
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL);
filter = gtk_file_filter_new();
gtk_file_filter_set_name(filter, _("Text files"));
gtk_file_filter_add_mime_type(filter, "text/plain");
gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), filter);
filter = gtk_file_filter_new();
gtk_file_filter_set_name(filter, _("All files"));
gtk_file_filter_add_pattern(filter, "*");
gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), filter);
if(gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT)
filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(
dialog));
gtk_widget_destroy(dialog);
if(filename == NULL)
return;
editor_open(editor, filename);
g_free(filename);
}
/* editor_paste */
void editor_paste(Editor * editor)
{
GtkTextBuffer * buffer;
GtkClipboard * clipboard;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view));
clipboard = gtk_widget_get_clipboard(editor->view,
GDK_SELECTION_CLIPBOARD);
gtk_text_buffer_paste_clipboard(buffer, clipboard, NULL, TRUE);
}
/* editor_save */
gboolean editor_save(Editor * editor)
{
FILE * fp;
GtkTextBuffer * tbuf;
GtkTextIter start;
GtkTextIter end;
char * buf;
size_t len;
if(editor->filename == NULL)
return editor_save_as_dialog(editor);
if((fp = fopen(editor->filename, "w")) == NULL)
{
buf = g_strdup_printf("%s: %s", editor->filename, strerror(
errno));
editor_error(editor, buf, 1);
g_free(buf);
return FALSE;
}
tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view));
/* FIXME allocating the complete file is not optimal */
gtk_text_buffer_get_start_iter(GTK_TEXT_BUFFER(tbuf), &start);
gtk_text_buffer_get_end_iter(GTK_TEXT_BUFFER(tbuf), &end);
buf = gtk_text_buffer_get_text(GTK_TEXT_BUFFER(tbuf), &start, &end,
FALSE);
len = strlen(buf);
if(fwrite(buf, sizeof(char), len, fp) != len)
{
g_free(buf);
fclose(fp);
editor_error(editor, _("Partial write"), 0);
return FALSE;
}
g_free(buf);
fclose(fp);
gtk_text_buffer_set_modified(GTK_TEXT_BUFFER(tbuf), FALSE);
return TRUE;
}
/* editor_save_as */
gboolean editor_save_as(Editor * editor, char const * filename)
{
struct stat st;
GtkWidget * dialog;
int ret;
if(stat(filename, &st) == 0)
{
dialog = gtk_message_dialog_new(GTK_WINDOW(editor->window),
GTK_DIALOG_MODAL
| GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_WARNING, GTK_BUTTONS_YES_NO, "%s",
#if GTK_CHECK_VERSION(2, 6, 0)
_("Warning"));
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(
dialog), "%s",
#endif
_("This file already exists. Overwrite?"));
gtk_window_set_title(GTK_WINDOW(dialog), _("Warning"));
ret = gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
if(ret == GTK_RESPONSE_NO)
return FALSE;
}
g_free(editor->filename);
if((editor->filename = g_strdup(filename)) == NULL)
return editor_error(editor, _("Allocation error"), FALSE);
if(editor_save(editor) != TRUE)
return FALSE;
_new_set_title(editor);
return TRUE;
}
/* editor_save_as_dialog */
gboolean editor_save_as_dialog(Editor * editor)
{
GtkWidget * dialog;
char * filename = NULL;
gboolean ret;
dialog = gtk_file_chooser_dialog_new(_("Save as..."),
GTK_WINDOW(editor->window),
GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL);
if(gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT)
filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(
dialog));
gtk_widget_destroy(dialog);
if(filename == NULL)
return FALSE;
ret = editor_save_as(editor, filename);
g_free(filename);
return ret;
}
/* editor_select_all */
void editor_select_all(Editor * editor)
{
#if GTK_CHECK_VERSION(2, 4, 0)
GtkTextBuffer * tbuf;
GtkTextIter start;
GtkTextIter end;
tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view));
gtk_text_buffer_get_start_iter(tbuf, &start);
gtk_text_buffer_get_end_iter(tbuf, &end);
gtk_text_buffer_select_range(tbuf, &start, &end);
#endif
}
/* editor_show_preferences */
static gboolean _preferences_on_closex(gpointer data);
static void _preferences_on_response(GtkWidget * widget, gint response,
gpointer data);
static void _preferences_on_cancel(gpointer data);
static void _preferences_on_ok(gpointer data);
void editor_show_preferences(Editor * editor, gboolean show)
{
GtkWidget * vbox;
GtkWidget * hbox;
GtkWidget * widget;
GtkSizeGroup * group;
size_t i;
if(editor->pr_window != NULL)
{
if(show)
gtk_window_present(GTK_WINDOW(editor->pr_window));
else
gtk_widget_hide(editor->pr_window);
return;
}
editor->pr_window = gtk_dialog_new_with_buttons(
_("Text editor preferences"),
GTK_WINDOW(editor->window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
g_signal_connect_swapped(G_OBJECT(editor->pr_window), "delete-event",
G_CALLBACK(_preferences_on_closex), editor);
g_signal_connect(G_OBJECT(editor->pr_window), "response",
G_CALLBACK(_preferences_on_response), editor);
#if GTK_CHECK_VERSION(2, 14, 0)
vbox = gtk_dialog_get_content_area(GTK_DIALOG(editor->pr_window));
#else
vbox = GTK_DIALOG(editor->pr_window)->vbox;
#endif
group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
/* font */
hbox = gtk_hbox_new(FALSE, 4);
widget = gtk_label_new(_("Font:"));
gtk_misc_set_alignment(GTK_MISC(widget), 0.0, 0.5);
gtk_size_group_add_widget(group, widget);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
editor->pr_font = gtk_font_button_new();
gtk_font_button_set_use_font(GTK_FONT_BUTTON(editor->pr_font), TRUE);
gtk_box_pack_start(GTK_BOX(hbox), editor->pr_font, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
/* wrap mode */
hbox = gtk_hbox_new(FALSE, 4);
widget = gtk_label_new(_("Wrap mode:"));
gtk_misc_set_alignment(GTK_MISC(widget), 0.0, 0.5);
gtk_size_group_add_widget(group, widget);
gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0);
#if GTK_CHECK_VERSION(3, 0, 0)
editor->pr_wrap = gtk_combo_box_text_new();
#else
editor->pr_wrap = gtk_combo_box_new_text();
#endif
for(i = 0; i < sizeof(_editor_wrap) / sizeof(*_editor_wrap); i++)
#if GTK_CHECK_VERSION(3, 0, 0)
gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(editor->pr_wrap),
NULL, _(_editor_wrap[i].name));
#else
gtk_combo_box_append_text(GTK_COMBO_BOX(editor->pr_wrap),
_(_editor_wrap[i].name));
#endif
gtk_box_pack_start(GTK_BOX(hbox), editor->pr_wrap, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
_preferences_on_cancel(editor);
gtk_widget_show_all(vbox);
if(show)
gtk_widget_show(editor->pr_window);
}
static gboolean _preferences_on_closex(gpointer data)
{
Editor * editor = data;
_preferences_on_cancel(editor);
return TRUE;
}
static void _preferences_on_response(GtkWidget * widget, gint response,
gpointer data)
{
gtk_widget_hide(widget);
if(response == GTK_RESPONSE_OK)
_preferences_on_ok(data);
else if(response == GTK_RESPONSE_CANCEL)
_preferences_on_cancel(data);
}
static void _preferences_on_cancel(gpointer data)
{
Editor * editor = data;
char const * p;
gint u = 0;
gtk_widget_hide(editor->pr_window);
gtk_font_button_set_font_name(GTK_FONT_BUTTON(editor->pr_font),
editor_get_font(editor));
if((p = config_get(editor->config, NULL, "wrap")) != NULL)
u = strtol(p, NULL, 10);
gtk_combo_box_set_active(GTK_COMBO_BOX(editor->pr_wrap), u);
}
static void _preferences_on_ok(gpointer data)
{
Editor * editor = data;
char const * font;
size_t i;
gtk_widget_hide(editor->pr_window);
font = gtk_font_button_get_font_name(GTK_FONT_BUTTON(editor->pr_font));
editor_set_font(editor, font);
i = gtk_combo_box_get_active(GTK_COMBO_BOX(editor->pr_wrap));
if(i < sizeof(_editor_wrap) / sizeof(*_editor_wrap))
editor_set_wrap_mode(editor, _editor_wrap[i].wrap);
editor_config_save(editor);
}
/* editor_unselect_all */
void editor_unselect_all(Editor * editor)
{
#if GTK_CHECK_VERSION(2, 4, 0)
GtkTextBuffer * tbuf;
GtkTextMark * mark;
GtkTextIter iter;
tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view));
mark = gtk_text_buffer_get_mark(tbuf, "insert");
gtk_text_buffer_get_iter_at_mark(tbuf, &iter, mark);
gtk_text_buffer_select_range(tbuf, &iter, &iter);
#endif
}
/* private */
/* functions */
/* editor_config_filename */
static char * _editor_config_filename(void)
{
char const * homedir;
size_t len;
char * filename;
if((homedir = getenv("HOME")) == NULL)
homedir = g_get_home_dir();
len = strlen(homedir) + 1 + sizeof(EDITOR_CONFIG_FILE);
if((filename = malloc(len)) == NULL)
return NULL;
snprintf(filename, len, "%s/%s", homedir, EDITOR_CONFIG_FILE);
return filename;
}
/* editor_find */
static char const * _find_string(char const * big, char const * little,
gboolean sensitive);
static gboolean _find_match(Editor * editor, GtkTextBuffer * buffer,
char const * buf, char const * str, size_t len);
static gboolean _editor_find(Editor * editor, char const * text,
gboolean sensitive, gboolean wrap)
{
gboolean ret = FALSE;
size_t tlen;
GtkTextBuffer * buffer;
GtkTextIter start;
GtkTextIter end;
gchar * buf;
size_t blen;
char const * str;
if(text == NULL || (tlen = strlen(text)) == 0)
return ret;
buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view));
/* XXX highly inefficient */
gtk_text_buffer_get_start_iter(buffer, &start);
gtk_text_buffer_get_end_iter(buffer, &end);
buf = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
if(buf == NULL || (blen = strlen(buf)) == 0)
return ret;
if(editor->search >= blen)
editor->search = 0;
if((str = _find_string(&buf[editor->search], text, sensitive)) != NULL)
ret = _find_match(editor, buffer, buf, str, tlen);
else if(wrap && editor->search != 0) /* wrap around */
{
buf[editor->search] = '\0';
if((str = _find_string(buf, text, sensitive)) != NULL)
ret = _find_match(editor, buffer, buf, str, tlen);
}
g_free(buf);
return ret;
}
static char const * _find_string(char const * big, char const * little,
gboolean sensitive)
{
return sensitive ? strstr(big, little) : strcasestr(big, little);
}
static gboolean _find_match(Editor * editor, GtkTextBuffer * buffer,
char const * buf, char const * str, size_t len)
{
size_t offset;
GtkTextIter start;
GtkTextIter end;
offset = str - buf;
editor->search = offset + 1;
gtk_text_buffer_get_iter_at_offset(buffer, &start, offset);
gtk_text_buffer_get_iter_at_offset(buffer, &end, offset + len);
gtk_text_buffer_select_range(buffer, &start, &end);
gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(editor->view), &start, 0.0,
FALSE, 0.0, 0.0);
return TRUE;
}