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geany/plugins/htmlchars.c
Nick Treleaven 75a08ac4a3 Don't destroy plugin_fields->menu_item automatically - plugin_fields 
should be owned by the plugin, so the plugin is responsible for
destroying it, and any other memory it allocated.
Print a warning message in debug mode if a plugin has no cleanup()
function.


git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@1743 ea778897-0a13-0410-b9d1-a72fbfd435f5
2007-07-25 11:59:34 +00:00

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/*
* htmlchars.c - this file is part of Geany, a fast and lightweight IDE
*
* Copyright 2006-2007 Enrico Tröger <enrico.troeger@uvena.de>
* Copyright 2007 Nick Treleaven <nick.treleaven@btinternet.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
* $Id$
*/
/* HTML Characters plugin (Inserts HTML character entities like '&amp;') */
#include "geany.h"
#include "support.h"
#include "plugindata.h"
#include "document.h"
PluginFields *plugin_fields;
static PluginData *plugin_data;
#define doc_array plugin_data->doc_array
// can't use document as a macro because it's currently a typename
#define documents plugin_data->document
#define scintilla plugin_data->sci
#define ui plugin_data->ui
VERSION_CHECK(5)
PLUGIN_INFO(_("HTML Characters"), _("Inserts HTML character entities like '&amp;'."))
enum
{
COLUMN_CHARACTER,
COLUMN_HTML_NAME,
N_COLUMNS
};
static GtkWidget *sc_dialog = NULL;
static GtkTreeStore *sc_store = NULL;
static GtkTreeView *sc_tree = NULL;
static void sc_on_tools_show_dialog_insert_special_chars_response
(GtkDialog *dialog, gint response, gpointer user_data);
static void sc_on_tree_row_activated
(GtkTreeView *treeview, GtkTreePath *path, GtkTreeViewColumn *col, gpointer user_data);
static void sc_fill_store(GtkTreeStore *store);
static gboolean sc_insert(GtkTreeModel *model, GtkTreeIter *iter);
static void tools_show_dialog_insert_special_chars()
{
if (sc_dialog == NULL)
{
gint height;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
GtkWidget *swin, *vbox, *label;
sc_dialog = gtk_dialog_new_with_buttons(
_("Special Characters"), GTK_WINDOW(plugin_data->app->window),
GTK_DIALOG_DESTROY_WITH_PARENT, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
_("_Insert"), GTK_RESPONSE_OK, NULL);
vbox = ui->dialog_vbox_new(GTK_DIALOG(sc_dialog));
gtk_box_set_spacing(GTK_BOX(vbox), 6);
gtk_widget_set_name(sc_dialog, "GeanyDialog");
height = GEANY_WINDOW_MINIMAL_HEIGHT;
gtk_window_set_default_size(GTK_WINDOW(sc_dialog), height * 0.8, height);
gtk_dialog_set_default_response(GTK_DIALOG(sc_dialog), GTK_RESPONSE_CANCEL);
label = gtk_label_new(_("Choose a special character from the list below and double click on it or use the button to insert it at the current cursor position."));
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
sc_tree = GTK_TREE_VIEW(gtk_tree_view_new());
sc_store = gtk_tree_store_new(N_COLUMNS, G_TYPE_STRING, G_TYPE_STRING);
gtk_tree_view_set_model(GTK_TREE_VIEW(sc_tree),
GTK_TREE_MODEL(sc_store));
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes(
_("Character"), renderer, "text", COLUMN_CHARACTER, NULL);
gtk_tree_view_column_set_resizable(column, TRUE);
gtk_tree_view_append_column(GTK_TREE_VIEW(sc_tree), column);
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes(
_("HTML (name)"), renderer, "text", COLUMN_HTML_NAME, NULL);
gtk_tree_view_column_set_resizable(column, TRUE);
gtk_tree_view_append_column(GTK_TREE_VIEW(sc_tree), column);
swin = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(swin), GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_add_with_viewport(
GTK_SCROLLED_WINDOW(swin), GTK_WIDGET(sc_tree));
gtk_box_pack_start(GTK_BOX(vbox), swin, TRUE, TRUE, 0);
g_signal_connect((gpointer) sc_tree, "row-activated",
G_CALLBACK(sc_on_tree_row_activated), NULL);
g_signal_connect((gpointer) sc_dialog, "response",
G_CALLBACK(sc_on_tools_show_dialog_insert_special_chars_response), NULL);
g_signal_connect((gpointer) sc_dialog, "delete_event",
G_CALLBACK(gtk_widget_hide_on_delete), NULL);
sc_fill_store(sc_store);
//gtk_tree_view_expand_all(special_characters_tree);
gtk_tree_view_set_search_column(sc_tree, COLUMN_HTML_NAME);
}
gtk_widget_show_all(sc_dialog);
}
// fill the tree model with data
/// TODO move this in a file and make it extendable for more data types
static void sc_fill_store(GtkTreeStore *store)
{
GtkTreeIter iter;
GtkTreeIter *parent_iter = NULL;
guint i;
gchar *chars[][2] =
{
{ _("HTML characters"), NULL },
{ "\"", "&quot;" },
{ "&", "&amp;" },
{ "<", "&lt;" },
{ ">", "&gt;" },
{ _("ISO 8859-1 characters"), NULL },
{ " ", "&nbsp;" },
{ "¡", "&iexcl;" },
{ "¢", "&cent;" },
{ "£", "&pound;" },
{ "¤", "&curren;" },
{ "¥", "&yen;" },
{ "¦", "&brvbar;" },
{ "§", "&sect;" },
{ "¨", "&uml;" },
{ "©", "&copy;" },
{ "®", "&reg;" },
{ "«", "&laquo;" },
{ "»", "&raquo;" },
{ "¬", "&not;" },
{ " ", "&shy;" },
{ "¯", "&macr;" },
{ "°", "&deg;" },
{ "±", "&plusmn;" },
{ "¹", "&sup1;" },
{ "²", "&sup2;" },
{ "³", "&sup3;" },
{ "¼", "&frac14;" },
{ "½", "&frac12;" },
{ "¾", "&frac34;" },
{ "×", "&times;" },
{ "÷", "&divide;" },
{ "´", "&acute;" },
{ "µ", "&micro;" },
{ "", "&para;" },
{ "·", "&middot;" },
{ "¸", "&cedil;" },
{ "ª", "&ordf;" },
{ "º", "&ordm;" },
{ "¿", "&iquest;" },
{ "À", "&Agrave;" },
{ "Á", "&Aacute;" },
{ "Â", "&Acirc;" },
{ "Ã", "&Atilde;" },
{ "Ä", "&Auml;" },
{ "Å", "&Aring;" },
{ "Æ", "&AElig;" },
{ "Ç", "&Ccedil;" },
{ "È", "&Egrave;" },
{ "É", "&Eacute;" },
{ "Ê", "&Ecirc;" },
{ "Ë", "&Euml;" },
{ "Ì", "&Igrave;" },
{ "Í", "&Iacute;" },
{ "Î", "&Icirc;" },
{ "Ï", "&Iuml;" },
{ "Ð", "&ETH;" },
{ "Ñ", "&Ntilde;" },
{ "Ò", "&Ograve;" },
{ "Ó", "&Oacute;" },
{ "Ô", "&Ocirc;" },
{ "Õ", "&Otilde;" },
{ "Ö", "&Ouml;" },
{ "Ø", "&Oslash;" },
{ "Ù", "&Ugrave;" },
{ "Ú", "&Uacute;" },
{ "Û", "&Ucirc;" },
{ "Ü", "&Uuml;" },
{ "Ý", "&Yacute;" },
{ "Þ", "&THORN;" },
{ "ß", "&szlig;" },
{ "à", "&agrave;" },
{ "á", "&aacute;" },
{ "â", "&acirc;" },
{ "ã", "&atilde;" },
{ "ä", "&auml;" },
{ "å", "&aring;" },
{ "æ", "&aelig;" },
{ "ç", "&ccedil;" },
{ "è", "&egrave;" },
{ "é", "&eacute;" },
{ "ê", "&ecirc;" },
{ "ë", "&euml;" },
{ "ì", "&igrave;" },
{ "í", "&iacute;" },
{ "î", "&icirc;" },
{ "ï", "&iuml;" },
{ "ð", "&eth;" },
{ "ñ", "&ntilde;" },
{ "ò", "&ograve;" },
{ "ó", "&oacute;" },
{ "ô", "&ocirc;" },
{ "õ", "&otilde;" },
{ "ö", "&ouml;" },
{ "ø", "&oslash;" },
{ "ù", "&ugrave;" },
{ "ú", "&uacute;" },
{ "û", "&ucirc;" },
{ "ü", "&uuml;" },
{ "ý", "&yacute;" },
{ "þ", "&thorn;" },
{ "ÿ", "&yuml;" },
{ _("Greek characters"), NULL },
{ "Α", "&Alpha;" },
{ "α", "&alpha;" },
{ "Β", "&Beta;" },
{ "β", "&beta;" },
{ "Γ", "&Gamma;" },
{ "γ", "&gamma;" },
{ "Δ", "&Delta;" },
{ "δ", "&Delta;" },
{ "δ", "&delta;" },
{ "Ε", "&Epsilon;" },
{ "ε", "&epsilon;" },
{ "Ζ", "&Zeta;" },
{ "ζ", "&zeta;" },
{ "Η", "&Eta;" },
{ "η", "&eta;" },
{ "Θ", "&Theta;" },
{ "θ", "&theta;" },
{ "Ι", "&Iota;" },
{ "ι", "&iota;" },
{ "Κ", "&Kappa;" },
{ "κ", "&kappa;" },
{ "Λ", "&Lambda;" },
{ "λ", "&lambda;" },
{ "Μ", "&Mu;" },
{ "μ", "&mu;" },
{ "Ν", "&Nu;" },
{ "ν", "&nu;" },
{ "Ξ", "&Xi;" },
{ "ξ", "&xi;" },
{ "Ο", "&Omicron;" },
{ "ο", "&omicron;" },
{ "Π", "&Pi;" },
{ "π", "&pi;" },
{ "Ρ", "&Rho;" },
{ "ρ", "&rho;" },
{ "Σ", "&Sigma;" },
{ "ς", "&sigmaf;" },
{ "σ", "&sigma;" },
{ "Τ", "&Tau;" },
{ "τ", "&tau;" },
{ "Υ", "&Upsilon;" },
{ "υ", "&upsilon;" },
{ "Φ", "&Phi;" },
{ "φ", "&phi;" },
{ "Χ", "&Chi;" },
{ "χ", "&chi;" },
{ "Ψ", "&Psi;" },
{ "ψ", "&psi;" },
{ "Ω", "&Omega;" },
{ "ω", "&omega;" },
{ "ϑ", "&thetasym;" },
{ "ϒ", "&upsih;" },
{ "ϖ", "&piv;" },
{ _("Mathematical characters"), NULL },
{ "∀", "&forall;" },
{ "∂", "&part;" },
{ "∃", "&exist;" },
{ "∅", "&empty;" },
{ "∇", "&nabla;" },
{ "∈", "&isin;" },
{ "∉", "&notin;" },
{ "∋", "&ni;" },
{ "∏", "&prod;" },
{ "∑", "&sum;" },
{ "−", "&minus;" },
{ "∗", "&lowast;" },
{ "√", "&radic;" },
{ "∝", "&prop;" },
{ "∞", "&infin;" },
{ "∠", "&ang;" },
{ "∧", "&and;" },
{ "∨", "&or;" },
{ "∩", "&cap;" },
{ "∪", "&cup;" },
{ "∫", "&int;" },
{ "∴", "&there4;" },
{ "∼", "&sim;" },
{ "≅", "&cong;" },
{ "≈", "&asymp;" },
{ "≠", "&ne;" },
{ "≡", "&equiv;" },
{ "≤", "&le;" },
{ "≥", "&ge;" },
{ "⊂", "&sub;" },
{ "⊃", "&sup;" },
{ "⊄", "&nsub;" },
{ "⊆", "&sube;" },
{ "⊇", "&supe;" },
{ "⊕", "&oplus;" },
{ "⊗", "&otimes;" },
{ "⊥", "&perp;" },
{ "⋅", "&sdot;" },
{ "◊", "&loz;" },
{ _("Technical characters"), NULL },
{ "⌈", "&lceil;" },
{ "⌉", "&rceil;" },
{ "⌊", "&lfloor;" },
{ "⌋", "&rfloor;" },
{ "〈", "&lang;" },
{ "〉", "&rang;" },
{ _("Arrow characters"), NULL },
{ "←", "&larr;" },
{ "↑", "&uarr;" },
{ "→", "&rarr;" },
{ "↓", "&darr;" },
{ "↔", "&harr;" },
{ "↵", "&crarr;" },
{ "⇐", "&lArr;" },
{ "⇑", "&uArr;" },
{ "⇒", "&rArr;" },
{ "⇓", "&dArr;" },
{ "⇔", "&hArr;" },
{ _("Punctuation characters"), NULL },
{ "–", "&ndash;" },
{ "—", "&mdash;" },
{ "‘", "&lsquo;" },
{ "’", "&rsquo;" },
{ "‚", "&sbquo;" },
{ "“", "&ldquo;" },
{ "”", "&rdquo;" },
{ "„", "&bdquo;" },
{ "†", "&dagger;" },
{ "‡", "&Dagger;" },
{ "…", "&hellip;" },
{ "‰", "&permil;" },
{ "‹", "&lsaquo;" },
{ "›", "&rsaquo;" },
{ _("Miscellaneous characters"), NULL },
{ "•", "&bull;" },
{ "′", "&prime;" },
{ "″", "&Prime;" },
{ "‾", "&oline;" },
{ "⁄", "&frasl;" },
{ "℘", "&weierp;" },
{ "ℑ", "&image;" },
{ "ℜ", "&real;" },
{ "™", "&trade;" },
{ "€", "&euro;" },
{ "ℵ", "&alefsym;" },
{ "♠", "&spades;" },
{ "♣", "&clubs;" },
{ "♥", "&hearts;" },
{ "♦", "&diams;" },
{ "Œ", "&OElig;" },
{ "œ", "&oelig;" },
{ "Š", "&Scaron;" },
{ "š", "&scaron;" },
{ "Ÿ", "&Yuml;" },
{ "ƒ", "&fnof;" },
};
for (i = 0; i < G_N_ELEMENTS(chars); i++)
{
if (chars[i][1] == NULL)
{ // add a category
gtk_tree_store_append(store, &iter, NULL);
gtk_tree_store_set(store, &iter, COLUMN_CHARACTER, chars[i][0], -1);
if (parent_iter != NULL) gtk_tree_iter_free(parent_iter);
parent_iter = gtk_tree_iter_copy(&iter);
}
else
{ // add child to parent_iter
gtk_tree_store_append(store, &iter, parent_iter);
gtk_tree_store_set(store, &iter, COLUMN_CHARACTER, chars[i][0],
COLUMN_HTML_NAME, chars[i][1], -1);
}
}
}
/* just inserts the HTML_NAME coloumn of the selected row at current position
* returns only TRUE if a valid selection(i.e. no category) could be found */
static gboolean sc_insert(GtkTreeModel *model, GtkTreeIter *iter)
{
gint idx = documents->get_cur_idx();
gboolean result = FALSE;
if (DOC_IDX_VALID(idx))
{
gchar *str;
gint pos = scintilla->get_current_position(doc_list[idx].sci);
gtk_tree_model_get(model, iter, COLUMN_HTML_NAME, &str, -1);
if (str && *str)
{
scintilla->insert_text(doc_list[idx].sci, pos, str);
g_free(str);
result = TRUE;
}
}
return result;
}
static void sc_on_tools_show_dialog_insert_special_chars_response(GtkDialog *dialog, gint response,
gpointer user_data)
{
if (response == GTK_RESPONSE_OK)
{
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
selection = gtk_tree_view_get_selection(sc_tree);
if (gtk_tree_selection_get_selected(selection, &model, &iter))
{
// only hide dialog if selection was not a category
if (sc_insert(model, &iter))
gtk_widget_hide(GTK_WIDGET(dialog));
}
}
else
gtk_widget_hide(GTK_WIDGET(dialog));
}
static void sc_on_tree_row_activated(GtkTreeView *treeview, GtkTreePath *path,
GtkTreeViewColumn *col, gpointer user_data)
{
GtkTreeIter iter;
GtkTreeModel *model = GTK_TREE_MODEL(sc_store);
if (gtk_tree_model_get_iter(model, &iter, path))
{
// only hide dialog if selection was not a category
if (sc_insert(model, &iter))
gtk_widget_hide(sc_dialog);
else
{ // double click on a category to toggle the expand or collapse it
if (gtk_tree_view_row_expanded(sc_tree, path))
gtk_tree_view_collapse_row(sc_tree, path);
else
gtk_tree_view_expand_row(sc_tree, path, FALSE);
}
}
}
/* Callback when the menu item is clicked */
static void
item_activate(GtkMenuItem *menuitem, gpointer gdata)
{
// refuse opening the dialog if we don't have an active tab
gint idx = documents->get_cur_idx();
if (idx == -1 || ! doc_list[idx].is_valid) return;
tools_show_dialog_insert_special_chars();
}
/* Called by Geany to initialize the plugin */
void init(PluginData *data)
{
GtkWidget *demo_item;
plugin_data = data; // keep a pointer to the main application fields & functions
// Add an item to the Tools menu
demo_item = gtk_menu_item_new_with_mnemonic(_("_Insert Special HTML Characters"));
gtk_widget_show(demo_item);
gtk_container_add(GTK_CONTAINER(plugin_data->tools_menu), demo_item);
g_signal_connect(G_OBJECT(demo_item), "activate", G_CALLBACK(item_activate), NULL);
// disable menu_item when there are no documents open
plugin_fields->menu_item = demo_item;
plugin_fields->flags = PLUGIN_IS_DOCUMENT_SENSITIVE;
}
/* Destroy widgets */
void cleanup()
{
gtk_widget_destroy(plugin_fields->menu_item);
if (sc_dialog != NULL)
gtk_widget_destroy(sc_dialog);
}
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