+++ /dev/null
-/* This file is part of EdiTeX, an editor of mathematical
- * expressions based on TeX syntax.
- *
- * Copyright (C) 2002-2003 Luca Padovani <lpadovan@cs.unibo.it>,
- * 2003 Paolo Marinelli <pmarinel@cs.unibo.it>.
- *
- * 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 2.1 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
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * For more information, please visit the project's home page
- * http://helm.cs.unibo.it/editex/
- * or send an email to <lpadovan@cs.unibo.it>
- */
-
-#include <config.h>
-#include <stdio.h>
-#include <gtk/gtk.h>
-#include <gdk/gdkkeysyms.h>
-
-#include <gtkmathview.h>
-#include "guiGTK.h"
-
-#define XLINK_NS_URI "http://www.w3.org/1999/xlink"
-
-static GtkWidget* window;
-static GtkWidget* main_area;
-static GtkWidget* scrolled_area;
-
-static gpointer context = NULL;
-static gchar* doc_name = NULL;
-static GdomeElement* first_selected = NULL;
-static GdomeElement* root_selected = NULL;
-
-static void create_widget_set(gpointer);
-static GtkWidget* get_main_menu(void);
-static void file_open(GtkWidget*, gpointer);
-static void file_re_open(GtkWidget*, gpointer);
-static void file_close(GtkWidget*, gpointer);
-static void file_output_tex(GtkWidget*, gpointer);
-static void options_set_font_size(GtkWidget*, gpointer);
-static void options_change_font_size(GtkWidget*, gboolean);
-static void options_verbosity(GtkWidget*, guint);
-static void edit_delete_selection(GtkWidget*, gpointer);
-static void edit_select_parent(GtkWidget*, gpointer);
-static void edit_reset_selection(GtkWidget*, gpointer);
-static void edit_reset(GtkWidget*, gpointer);
-static void edit_insert(GtkWidget*, gpointer);
-static void help_about(GtkWidget*, gpointer);
-
-static GtkItemFactoryEntry menu_items[] = {
- { "/_File", NULL, NULL, 0, "<Branch>" },
- { "/File/_Open...", "<control>O", file_open, 0, NULL },
- { "/File/_Reopen", NULL, file_re_open, 0, NULL },
- { "/File/_Close", "<control>W", file_close, 0, NULL },
- { "/File/Output _TeX", NULL, file_output_tex, 0, NULL },
- { "/File/sep1", NULL, NULL, 0, "<Separator>" },
- { "/File/_Quit", "<control>Q", gtk_main_quit, 0, NULL },
-
- { "/_Edit", NULL, NULL, 0, "<Branch>" },
- { "/Edit/Reset Selection", NULL, edit_reset_selection, 0, NULL },
- { "/Edit/Delete Selection", NULL, edit_delete_selection, 0, NULL },
- { "/Edit/Select Parent", NULL, edit_select_parent, 0, NULL },
- { "/Edit/sep1", NULL, NULL, 0, "<Separator>" },
- { "/Edit/_Reset", NULL, edit_reset, 0, NULL },
- { "/Edit/Insert...", "<control>I", edit_insert, 0, NULL },
-
- { "/_Options", NULL, NULL, 0, "<Branch>" },
- { "/Options/Default _Font Size", NULL, NULL, 0, "<Branch>" },
- { "/Options/Default Font Size/Set...", NULL, options_set_font_size, 0, NULL },
- { "/Options/Default Font Size/sep1", NULL, NULL, 0, "<Separator>" },
- { "/Options/Default Font Size/Larger", NULL, options_change_font_size, TRUE, NULL },
- { "/Options/Default Font Size/Smaller", NULL, options_change_font_size, FALSE, NULL },
- { "/Options/Verbosity", NULL, NULL, 0, "<Branch>" },
- { "/Options/Verbosity/_Errors", NULL, options_verbosity, 0, "<RadioItem>" },
- { "/Options/Verbosity/_Warnings", NULL, options_verbosity, 1, "/Options/Verbosity/Errors" },
- { "/Options/Verbosity/_Info", NULL, options_verbosity, 2, "/Options/Verbosity/Errors" },
- { "/Options/Verbosity/_Debug", NULL, options_verbosity, 3, "/Options/Verbosity/Errors" },
-
- { "/_Help" , NULL, NULL, 0, "<LastBranch>" },
- { "/Help/About...", NULL, help_about, 0, NULL }
-};
-
-static void
-quick_message(const char* msg)
-{
- GtkWidget* dialog;
- GtkWidget* label;
- GtkWidget* okay_button;
-
- /* Create the widgets */
-
- dialog = gtk_dialog_new();
- label = gtk_label_new (msg);
- okay_button = gtk_button_new_with_label("OK");
-
- gtk_widget_set_usize(dialog, 300, 100);
-
- /* Ensure that the dialog box is destroyed when the user clicks ok. */
-
- gtk_signal_connect_object (GTK_OBJECT (okay_button), "clicked",
- GTK_SIGNAL_FUNC (gtk_widget_destroy), dialog);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->action_area),
- okay_button);
-
- /* Add the label, and show everything we've added to the dialog. */
-
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->vbox), label);
- gtk_widget_show_all (dialog);
-}
-
-static void
-load_error_msg(const char* name)
-{
- char* msg = g_strdup_printf("Could not load\n`%s'", name);
- quick_message(msg);
- g_free(msg);
-}
-
-static guint edit_timeout_id;
-extern void edit_timeout(gpointer);
-
-void
-GUI_init(int* argc, char*** argv, char* title, guint width, guint height, gpointer c)
-{
- gtk_init(argc, argv);
-
- window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_title(GTK_WINDOW(window), title);
- gtk_window_set_default_size(GTK_WINDOW(window), width, height);
- gtk_signal_connect(GTK_OBJECT(window), "delete_event", (GtkSignalFunc) gtk_main_quit, NULL);
- create_widget_set(context);
-
- gtk_widget_show(window);
-
- context = c;
- /*edit_timeout_id = gtk_timeout_add(50, edit_timeout, context);*/
-}
-
-void
-GUI_uninit()
-{
- GdomeException exc = 0;
-
- if (first_selected != NULL)
- {
- gdome_el_unref(first_selected, &exc);
- g_assert(exc == 0);
- first_selected = NULL;
- }
-
- if (root_selected != NULL)
- {
- gdome_el_unref(root_selected, &exc);
- g_assert(exc == 0);
- root_selected = NULL;
- }
-
- context = NULL;
-}
-
-int
-GUI_load_document(GdomeDocument* doc)
-{
- GtkMathView* math_view;
-
- g_return_val_if_fail(doc != NULL, -1);
- g_return_val_if_fail(main_area != NULL, -1);
- g_return_val_if_fail(GTK_IS_MATH_VIEW(main_area), -1);
-
- math_view = GTK_MATH_VIEW(main_area);
-
- if (!gtk_math_view_load_doc(math_view, doc)) return -1;
-
- return 0;
-}
-
-void
-GUI_freeze()
-{
- gtk_math_view_freeze(GTK_MATH_VIEW(main_area));
-}
-
-void
-GUI_thaw()
-{
- gtk_math_view_thaw(GTK_MATH_VIEW(main_area));
-}
-
-void
-GUI_unload_document()
-{
- GtkMathView* math_view;
-
- g_return_if_fail(main_area != NULL);
- g_return_if_fail(GTK_IS_MATH_VIEW(main_area));
-
- math_view = GTK_MATH_VIEW(main_area);
-
- gtk_math_view_unload(math_view);
-
- if (doc_name != NULL) g_free(doc_name);
- doc_name = NULL;
-}
-
-void
-GUI_run()
-{
- gtk_main();
-}
-
-#if 0
-void
-GUI_set_font_manager(FontManagerId id)
-{
- gboolean t1;
- GtkMathView* math_view;
-
- g_return_if_fail(id != FONT_MANAGER_UNKNOWN);
- g_return_if_fail(main_area != NULL);
- g_return_if_fail(GTK_IS_MATH_VIEW(main_area));
-
- t1 = id == FONT_MANAGER_T1;
-
- math_view = GTK_MATH_VIEW(main_area);
-
- gtk_math_view_freeze(math_view);
-
- if (id != gtk_math_view_get_font_manager_type(math_view))
- gtk_math_view_set_font_manager_type(math_view, id);
-
- gtk_widget_set_sensitive(anti_aliasing(math_view, GTK_CHECK_MENU_ITEM(anti_aliasing_item)->active);
- gtk_math_view_set_transparency(math_view, GTK_CHECK_MENU_ITEM(transparency_item)->active);
- }
-
- gtk_math_view_thaw(math_view);
-}
-#endif
-
-static void
-store_filename(GtkFileSelection* selector, GtkWidget* user_data)
-{
- gchar* selected_filename = gtk_file_selection_get_filename (GTK_FILE_SELECTION(user_data));
- if (selected_filename != NULL)
- GUI_load_document(selected_filename);
-}
-
-static void
-file_close(GtkWidget* widget, gpointer data)
-{
- GUI_unload_document();
-}
-
-static void
-file_re_open(GtkWidget* widget, gpointer data)
-{
- if (doc_name != NULL) {
- GUI_load_document(doc_name);
- }
-}
-
-static void
-file_open(GtkWidget* widget, gpointer data)
-{
- GtkWidget* fs = gtk_file_selection_new("Open File");
-
- gtk_signal_connect (GTK_OBJECT (GTK_FILE_SELECTION(fs)->ok_button),
- "clicked", GTK_SIGNAL_FUNC (store_filename), (gpointer) fs);
-
- /* Ensure that the dialog box is destroyed when the user clicks a button. */
-
- gtk_signal_connect_object (GTK_OBJECT (GTK_FILE_SELECTION(fs)->ok_button),
- "clicked", GTK_SIGNAL_FUNC (gtk_widget_destroy),
- (gpointer) fs);
-
- gtk_signal_connect_object (GTK_OBJECT (GTK_FILE_SELECTION(fs)->cancel_button),
- "clicked", GTK_SIGNAL_FUNC (gtk_widget_destroy),
- (gpointer) fs);
-
- /* Display that dialog */
-
- gtk_widget_show (fs);
-}
-
-static void
-file_output_tex(GtkWidget* widget, gpointer data)
-{
- g_assert(context != NULL);
- edit_output_tex(context);
-}
-
-#if 0
-static void
-options_font_manager(GtkWidget* widget, FontManagerId id)
-{
- g_return_if_fail(id != FONT_MANAGER_UNKNOWN);
- GUI_set_font_manager(id);
-}
-#endif
-
-static void
-options_verbosity(GtkWidget* widget, guint level)
-{
- gtk_math_view_set_log_verbosity(GTK_MATH_VIEW(main_area), level);
-}
-
-static void
-edit_delete_selection(GtkWidget* widget, gpointer data)
-{
- if (root_selected != NULL)
- {
- GdomeException exc;
- gtk_math_view_freeze(GTK_MATH_VIEW(main_area));
- printf("about to remove element %p\n", root_selected);
- delete_element(root_selected);
- gdome_el_unref(root_selected, &exc);
- g_assert(exc == 0);
- root_selected = NULL;
- gtk_math_view_thaw(GTK_MATH_VIEW(main_area));
- }
-}
-
-static void
-edit_select_parent(GtkWidget* widget, gpointer data)
-{
- if (root_selected != NULL)
- {
- GdomeException exc = 0;
- GdomeElement* parent = gdome_n_parentNode(root_selected, &exc);
- g_assert(exc == 0);
- gdome_el_unref(root_selected, &exc);
- g_assert(exc == 0);
- root_selected = parent;
- /* gtk_math_view_set_selection(GTK_MATH_VIEW(main_area), root_selected); */
- }
-}
-
-static void
-edit_reset_selection(GtkWidget* widget, gpointer data)
-{
- if (root_selected != NULL)
- {
- GdomeException exc = 0;
- /* gtk_math_view_reset_selection(GTK_MATH_VIEW(main_area), root_selected); */
- gdome_el_unref(root_selected, &exc);
- g_assert(exc == 0);
- root_selected = NULL;
- }
-}
-
-static void
-edit_reset(GtkWidget* widget, gpointer data)
-{
- g_assert(context != NULL);
- edit_reset_tex(context);
-}
-
-static void
-insert_tex(GtkWidget* widget, GtkEntry* entry)
-{
- gchar* text;
- g_return_if_fail(entry != NULL);
-
- text = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
- edit_push_string(context, text);
- g_free(text);
-}
-
-static void
-edit_insert(GtkWidget* widget, gpointer data)
-{
- GtkWidget* dialog;
- GtkWidget* entry;
- GtkWidget* ok;
- GtkWidget* cancel;
-
- dialog = gtk_dialog_new();
- entry = gtk_entry_new();
- ok = gtk_button_new_with_label("OK");
- cancel = gtk_button_new_with_label("Cancel");
-
- gtk_signal_connect (GTK_OBJECT (ok), "clicked",
- GTK_SIGNAL_FUNC (insert_tex), (gpointer) entry);
-
- gtk_signal_connect_object (GTK_OBJECT (ok), "clicked",
- GTK_SIGNAL_FUNC (gtk_widget_destroy), (gpointer) dialog);
-
- gtk_signal_connect_object (GTK_OBJECT (ok), "clicked",
- GTK_SIGNAL_FUNC (gtk_widget_destroy), (gpointer) dialog);
-
- gtk_signal_connect_object (GTK_OBJECT (cancel), "clicked",
- GTK_SIGNAL_FUNC (gtk_widget_destroy), (gpointer) dialog);
-
- gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG(dialog)->vbox), 5);
-
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->vbox), entry);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->action_area), ok);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->action_area), cancel);
-
- gtk_widget_show_all (dialog);
-}
-
-static void
-help_about(GtkWidget* widget, gpointer data)
-{
- GtkWidget* dialog;
- GtkWidget* label;
- GtkWidget* ok;
-
- dialog = gtk_dialog_new();
- label = gtk_label_new("\n MathML Editor \n Copyright (C) 2003 Luca Padovani \n");
- ok = gtk_button_new_with_label("Close");
-
- gtk_signal_connect_object (GTK_OBJECT (ok), "clicked",
- GTK_SIGNAL_FUNC (gtk_widget_destroy), (gpointer) dialog);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->action_area),
- ok);
-
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->vbox), label);
-
- gtk_widget_show_all (dialog);
-}
-
-static void
-change_default_font_size(GtkWidget* widget, GtkSpinButton* spin)
-{
- g_return_if_fail(spin != NULL);
- gtk_math_view_set_font_size( GTK_MATH_VIEW(main_area), gtk_spin_button_get_value_as_int(spin));
-}
-
-static void
-options_change_font_size(GtkWidget* widget, gboolean larger)
-{
- gfloat size = gtk_math_view_get_font_size (GTK_MATH_VIEW(main_area));
- if (larger) size = size / 0.71;
- else size = size * 0.71;
- if (size < 1) size = 1;
- gtk_math_view_set_font_size (GTK_MATH_VIEW(main_area), (gint) size + 0.5);
-}
-
-static void
-options_set_font_size(GtkWidget* widget, gpointer data)
-{
- GtkWidget* dialog;
- GtkWidget* label;
- GtkWidget* ok;
- GtkWidget* cancel;
- GtkWidget* spin;
- GtkObject* adj;
-
- dialog = gtk_dialog_new();
- label = gtk_label_new("Default font size:");
- ok = gtk_button_new_with_label("OK");
- cancel = gtk_button_new_with_label("Cancel");
-
- adj = gtk_adjustment_new (gtk_math_view_get_font_size (GTK_MATH_VIEW(main_area)), 1, 200, 1, 1, 1);
- spin = gtk_spin_button_new (GTK_ADJUSTMENT(adj), 1, 0);
- gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spin), TRUE);
-
- gtk_signal_connect (GTK_OBJECT (ok), "clicked",
- GTK_SIGNAL_FUNC (change_default_font_size), (gpointer) spin);
-
- gtk_signal_connect_object (GTK_OBJECT (ok), "clicked",
- GTK_SIGNAL_FUNC (gtk_widget_destroy), (gpointer) dialog);
-
- gtk_signal_connect_object (GTK_OBJECT (ok), "clicked",
- GTK_SIGNAL_FUNC (gtk_widget_destroy), (gpointer) dialog);
-
- gtk_signal_connect_object (GTK_OBJECT (cancel), "clicked",
- GTK_SIGNAL_FUNC (gtk_widget_destroy), (gpointer) dialog);
-
- gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG(dialog)->vbox), 5);
-
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->action_area), ok);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->action_area), cancel);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->vbox), label);
- gtk_container_add (GTK_CONTAINER (GTK_DIALOG(dialog)->vbox), spin);
-
- gtk_widget_show_all (dialog);
-}
-
-static void
-select_begin(GtkMathView* math_view, GdomeElement* first, gint state)
-{
- GdomeException exc = 0;
-
- g_return_if_fail(math_view != NULL);
- g_return_if_fail(GTK_IS_MATH_VIEW(math_view));
- g_return_if_fail(first != NULL);
-
- gtk_math_view_freeze(math_view);
-
- if (root_selected != NULL)
- {
- gtk_math_view_unselect(math_view, root_selected);
- gdome_el_unref(root_selected, &exc);
- g_assert(exc == 0);
- }
-
- root_selected = first_selected = find_element_with_ref(first);
-
- if (root_selected != NULL)
- {
- gtk_math_view_select(math_view, root_selected);
- gdome_el_ref(root_selected, &exc);
- g_assert(exc == 0);
- }
-
- gtk_math_view_thaw(math_view);
-}
-
-static void
-select_over(GtkMathView* math_view, GdomeElement* elem, gint state)
-{
- GdomeElement* new_selected = NULL;
- GdomeException exc = 0;
-
- g_return_if_fail(math_view != NULL);
- g_return_if_fail(GTK_IS_MATH_VIEW(math_view));
- g_return_if_fail(elem != NULL);
-
- if (first_selected == NULL || elem == NULL)
- new_selected = NULL;
- else
- new_selected = find_common_ancestor_with_ref(first_selected, elem);
-
- if (new_selected != root_selected)
- {
- gtk_math_view_freeze(math_view);
- if (root_selected != NULL)
- {
- gtk_math_view_unselect(math_view, root_selected);
- gdome_el_unref(root_selected, &exc);
- g_assert(exc == 0);
- }
- root_selected = new_selected;
- if (root_selected != NULL)
- gtk_math_view_select(math_view, root_selected);
- gtk_math_view_thaw(math_view);
- }
- else if (new_selected != NULL)
- {
- gdome_el_unref(new_selected, &exc);
- g_assert(exc == 0);
- }
-
-}
-
-static gboolean
-key_press_event(gpointer c,
- GdkEventKey* event,
- GtkWidget* widget)
-{
- g_return_val_if_fail(widget != NULL, FALSE);
- g_return_val_if_fail(event != NULL, FALSE);
- g_return_val_if_fail(context != NULL, FALSE);
-
- if (event->type != GDK_KEY_PRESS) return FALSE;
-
- switch (event->keyval)
- {
- case GDK_BackSpace:
- edit_drop(context, event->state & GDK_MOD1_MASK, event->state & GDK_CONTROL_MASK);
- break;
- case GDK_Tab:
- edit_complete(context);
- break;
- default:
- if ((event->state & (GDK_CONTROL_MASK | GDK_MOD1_MASK)) == 0 && event->keyval < 0x80)
- edit_push_char(context, event->keyval);
- return FALSE;
- }
-
- return TRUE;
-}
-
-static void
-create_widget_set(gpointer context)
-{
- GtkWidget* main_vbox;
- GtkWidget* menu_bar;
-
- main_vbox = gtk_vbox_new(FALSE, 1);
- gtk_container_border_width(GTK_CONTAINER(main_vbox), 1);
- gtk_container_add(GTK_CONTAINER(window), main_vbox);
- gtk_widget_show(main_vbox);
-
- menu_bar = get_main_menu();
- gtk_box_pack_start(GTK_BOX(main_vbox), menu_bar, FALSE, TRUE, 0);
- gtk_widget_show(menu_bar);
-
- main_area = gtk_math_view_new(NULL, NULL);
- gtk_widget_show(main_area);
-
- //gtk_math_view_set_log_verbosity(GTK_MATH_VIEW(main_area), 3);
-
- gtk_signal_connect_object (GTK_OBJECT (main_area),
- "select_begin", GTK_SIGNAL_FUNC (select_begin),
- (gpointer) main_area);
-
- gtk_signal_connect_object (GTK_OBJECT (main_area),
- "select_over", GTK_SIGNAL_FUNC (select_over),
- (gpointer) main_area);
-
- gtk_signal_connect_object (GTK_OBJECT(window),
- "key_press_event", GTK_SIGNAL_FUNC(key_press_event),
- context);
-
- gtk_widget_add_events(GTK_WIDGET(main_area), GDK_KEY_PRESS_MASK);
-
- scrolled_area = gtk_scrolled_window_new(NULL, NULL);
- gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_area),
- GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
-
- gtk_widget_show(scrolled_area);
- gtk_container_add(GTK_CONTAINER(scrolled_area), main_area);
- gtk_box_pack_start(GTK_BOX(main_vbox), scrolled_area, TRUE, TRUE, 0);
-
- gtk_widget_show(main_vbox);
-}
-
-GtkWidget*
-get_main_menu()
-{
- GtkItemFactory* item_factory;
- GtkAccelGroup* accel_group;
- GtkWidget* menu_item;
-
- gint nmenu_items = sizeof(menu_items) / sizeof(menu_items[0]);
-
- accel_group = gtk_accel_group_new();
-
- item_factory = gtk_item_factory_new(GTK_TYPE_MENU_BAR, "<main>", accel_group);
-
- gtk_item_factory_create_items(item_factory, nmenu_items, menu_items, NULL);
-
- gtk_window_add_accel_group(GTK_WINDOW(window), accel_group);
-
- return gtk_item_factory_get_widget(item_factory, "<main>");
-}
projects / helm.git / blobdiff