/* $Id: editor.c,v 1.73 2012/03/14 01:20:23 khorben Exp $ */ static char const _copyright[] = "Copyright (c) 2006-2012 Pierre Pronchery "; /* 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 .\n"; /* TODO: * - use an infobar for errors * - consider using GtkSourceView also/instead */ #include #include #include #include #include #include #include #include #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; GtkListStore * fi_store; GtkWidget * fi_text; GtkWidget * fi_entry; GtkWidget * fi_case; GtkWidget * fi_wrap; /* about */ GtkWidget * ab_window; }; /* variables */ static char const * _authors[] = { "Pierre Pronchery ", NULL }; #ifdef EMBEDDED static const DesktopAccel _editor_accel[] = { { G_CALLBACK(on_close), GDK_CONTROL_MASK, GDK_KEY_w }, { G_CALLBACK(on_find), GDK_CONTROL_MASK, GDK_KEY_f }, { 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 const 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 const 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 const DesktopMenu _editor_menu_insert[] = { { N_("_File..."), G_CALLBACK(on_insert_file), 0, 0, 0 }, { NULL, NULL, NULL, 0, 0 } }; static const 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 const DesktopMenubar _editor_menubar[] = { { N_("_File"), _editor_menu_file }, { N_("_Edit"), _editor_menu_edit }, { N_("_Insert"), _editor_menu_insert }, { 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_("Find"), G_CALLBACK(on_find), GTK_STOCK_FIND, 0, 0, NULL }, { "", 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); /* callbacks */ static void _editor_on_find_clicked(gpointer data); static void _editor_on_find_hide(gpointer data); /* public */ /* functions */ /* editor_new */ static void _new_set_title(Editor * editor); Editor * editor_new(void) { Editor * editor; GtkAccelGroup * group; GtkWidget * vbox; GtkWidget * hbox; 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); /* find */ editor->fi_dialog = gtk_hbox_new(FALSE, 4); hbox = editor->fi_dialog; gtk_container_set_border_width(GTK_CONTAINER(hbox), 4); widget = gtk_label_new(_("Find:")); gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0); editor->fi_store = gtk_list_store_new(1, G_TYPE_STRING); editor->fi_text = gtk_combo_box_new_with_model_and_entry(GTK_TREE_MODEL( editor->fi_store)); gtk_combo_box_set_entry_text_column(GTK_COMBO_BOX(editor->fi_text), 0); editor->fi_entry = gtk_bin_get_child(GTK_BIN(editor->fi_text)); g_signal_connect_swapped(editor->fi_entry, "activate", G_CALLBACK( _editor_on_find_clicked), editor); gtk_box_pack_start(GTK_BOX(hbox), editor->fi_text, FALSE, TRUE, 0); editor->fi_case = gtk_check_button_new_with_label(_("Case-sensitive")); gtk_box_pack_start(GTK_BOX(hbox), editor->fi_case, FALSE, TRUE, 0); editor->fi_wrap = gtk_check_button_new_with_label(_("Wrap")); gtk_box_pack_start(GTK_BOX(hbox), editor->fi_wrap, FALSE, TRUE, 0); widget = gtk_button_new_from_stock(GTK_STOCK_FIND); g_signal_connect_swapped(widget, "clicked", G_CALLBACK( _editor_on_find_clicked), editor); gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 0); widget = gtk_button_new(); gtk_button_set_image(GTK_BUTTON(widget), gtk_image_new_from_stock( GTK_STOCK_CLOSE, GTK_ICON_SIZE_BUTTON)); gtk_button_set_relief(GTK_BUTTON(widget), GTK_RELIEF_NONE); g_signal_connect_swapped(widget, "clicked", G_CALLBACK( _editor_on_find_hide), editor); gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, TRUE, 0); gtk_widget_show_all(hbox); gtk_widget_hide(hbox); gtk_widget_set_no_show_all(hbox, TRUE); gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, 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; /* 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_translator_credits(editor->ab_window, _("translator-credits")); 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_confirm */ int editor_confirm(Editor * editor, char const * message, ...) { GtkWidget * dialog; va_list ap; char const * action; int res; dialog = gtk_message_dialog_new(GTK_WINDOW(editor->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, # if GTK_CHECK_VERSION(2, 6, 0) "%s", _("Question")); gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog), # endif "%s", message); va_start(ap, message); while((action = va_arg(ap, char const *)) != NULL) gtk_dialog_add_button(GTK_DIALOG(dialog), action, va_arg(ap, int)); va_end(ap); gtk_window_set_title(GTK_WINDOW(dialog), _("Question")); res = gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); return res; } /* 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, #if GTK_CHECK_VERSION(2, 6, 0) "%s", _("Error")); gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog), #endif "%s", 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) { 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; } res = editor_confirm(editor, _("There are unsaved changes.\n" "Discard or save them?"), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_DISCARD, GTK_RESPONSE_REJECT, GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL); if(res == GTK_RESPONSE_CANCEL || res == GTK_RESPONSE_DELETE_EVENT) 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 */ void editor_find(Editor * editor, char const * text) { gtk_widget_show(editor->fi_dialog); if(text != NULL) gtk_entry_set_text(GTK_ENTRY(editor->fi_entry), text); gtk_widget_grab_focus(editor->fi_entry); } /* editor_insert_file */ int editor_insert_file(Editor * editor, char const * filename) { int ret = 0; FILE * fp; GtkTextBuffer * tbuf; char buf[BUFSIZ]; size_t len; char * p; size_t rlen; size_t wlen; GError * error = NULL; if((fp = fopen(filename, "r")) == NULL) { snprintf(buf, sizeof(buf), "%s: %s", filename, strerror(errno)); return -editor_error(editor, buf, 1); } tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->view)); while((len = fread(buf, sizeof(char), sizeof(buf), fp)) > 0) { /* FIXME code duplicated from editor_open() */ #if 0 if((p = g_convert(buf, len, "UTF-8", "ISO-8859-15", &rlen, &wlen, NULL)) != NULL) { gtk_text_buffer_insert_at_cursor(tbuf, 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_at_cursor(tbuf, p, wlen); else { editor_error(editor, error->message, 1); g_error_free(error); gtk_text_buffer_insert_at_cursor(tbuf, buf, len); } #endif } if(ferror(fp)) { snprintf(buf, sizeof(buf), "%s: %s", filename, strerror(errno)); ret = -editor_error(editor, buf, 1); } fclose(fp); return ret; } /* editor_insert_file_dialog */ int editor_insert_file_dialog(Editor * editor) { int ret; GtkWidget * dialog; GtkFileFilter * filter; char * filename = NULL; dialog = gtk_file_chooser_dialog_new(_("Insert 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 0; ret = editor_insert_file(editor, filename); g_free(filename); return ret; } /* editor_open */ void editor_open(Editor * editor, char const * filename) { 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) { res = editor_confirm(editor, _("There are unsaved changes.\n" "Discard or save them?"), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, #if GTK_CHECK_VERSION(2, 12, 0) GTK_STOCK_DISCARD, GTK_RESPONSE_REJECT, #else _("Discard"), GTK_RESPONSE_REJECT, #endif GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL); if(res == GTK_RESPONSE_ACCEPT && editor_save(editor) != TRUE) return; else if(res != GTK_RESPONSE_REJECT) 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; } /* FIXME use a GIOChannel instead (with a modal GtkDialog) */ 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 { editor_error(editor, error->message, 1); g_error_free(error); 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_QUESTION, GTK_BUTTONS_YES_NO, "%s", #if GTK_CHECK_VERSION(2, 6, 0) _("Question")); gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG( dialog), "%s", #endif _("This file already exists. Overwrite?")); gtk_window_set_title(GTK_WINDOW(dialog), _("Question")); 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; } /* callbacks */ /* editor_on_find_clicked */ static void _editor_on_find_clicked(gpointer data) { Editor * editor = data; char const * text; GtkTreeModel * model = GTK_TREE_MODEL(editor->fi_store); GtkTreeIter iter; gboolean valid; char * p; int res; gboolean sensitive; gboolean wrap; if((text = gtk_entry_get_text(GTK_ENTRY(editor->fi_entry))) == NULL || strlen(text) == 0) return; /* only append the text currently searched if not already known */ for(valid = gtk_tree_model_get_iter_first(model, &iter); valid == TRUE; valid = gtk_tree_model_iter_next(model, &iter)) { gtk_tree_model_get(model, &iter, 0, &p, -1); res = strcmp(text, p); free(p); if(res == 0) break; } if(valid == FALSE) { gtk_list_store_append(editor->fi_store, &iter); gtk_list_store_set(editor->fi_store, &iter, 0, text, -1); } 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); } /* editor_on_find_hide */ static void _editor_on_find_hide(gpointer data) { Editor * editor = data; gtk_widget_hide(editor->fi_dialog); }