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/*
* widgets/entry.c - gtk entry widget wrapper
*
* Copyright © 2010 Mason Larobina <mason.larobina@gmail.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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "luah.h"
#include "widgets/common.h"
static gint
luaH_entry_insert(lua_State *L)
{
widget_t *w = luaH_checkwidget(L, 1);
/* get insert position (or append text) */
gint pos = -1, idx = 2;
if (lua_gettop(L) > 2) {
pos = luaL_checknumber(L, idx++);
if (pos > 0) pos--; /* correct lua index */
}
gtk_editable_insert_text(GTK_EDITABLE(w->widget),
luaL_checkstring(L, idx), -1, &pos);
return 0;
}
static gint
luaH_entry_select_region(lua_State* L)
{
widget_t *w = luaH_checkwidget(L, 1);
gint startpos = luaL_checknumber(L, 2);
gint endpos = -1;
if(lua_gettop(L) > 2)
endpos = luaL_checknumber(L, 3);
gtk_editable_select_region(GTK_EDITABLE(w->widget), startpos, endpos);
return 0;
}
static gint
luaH_entry_index(lua_State *L, widget_t *w, luakit_token_t token)
{
switch(token) {
LUAKIT_WIDGET_INDEX_COMMON(w)
/* push class methods */
PF_CASE(INSERT, luaH_entry_insert)
PF_CASE(SELECT_REGION, luaH_entry_select_region)
/* push integer properties */
PI_CASE(POSITION, gtk_editable_get_position(GTK_EDITABLE(w->widget)))
/* push string properties */
PS_CASE(TEXT, gtk_entry_get_text(GTK_ENTRY(w->widget)))
PS_CASE(FG, g_object_get_data(G_OBJECT(w->widget), "fg"))
PS_CASE(BG, g_object_get_data(G_OBJECT(w->widget), "bg"))
PS_CASE(FONT, g_object_get_data(G_OBJECT(w->widget), "font"))
/* push boolean properties */
PB_CASE(SHOW_FRAME, gtk_entry_get_has_frame(GTK_ENTRY(w->widget)))
default:
break;
}
return 0;
}
static gint
luaH_entry_newindex(lua_State *L, widget_t *w, luakit_token_t token)
{
size_t len;
const gchar *tmp;
GdkColor c;
PangoFontDescription *font;
switch(token) {
LUAKIT_WIDGET_NEWINDEX_COMMON(w)
case L_TK_TEXT:
gtk_entry_set_text(GTK_ENTRY(w->widget),
luaL_checklstring(L, 3, &len));
break;
case L_TK_FG:
case L_TK_BG:
tmp = luaL_checklstring(L, 3, &len);
if (!gdk_color_parse(tmp, &c))
luaL_argerror(L, 3, "unable to parse color");
if (token == L_TK_FG) {
gtk_widget_modify_text(GTK_WIDGET(w->widget), GTK_STATE_NORMAL, &c);
g_object_set_data_full(G_OBJECT(w->widget), "fg", g_strdup(tmp), g_free);
} else {
gtk_widget_modify_base(GTK_WIDGET(w->widget), GTK_STATE_NORMAL, &c);
g_object_set_data_full(G_OBJECT(w->widget), "bg", g_strdup(tmp), g_free);
}
break;
case L_TK_SHOW_FRAME:
gtk_entry_set_has_frame(GTK_ENTRY(w->widget), luaH_checkboolean(L, 3));
break;
case L_TK_POSITION:
gtk_editable_set_position(GTK_EDITABLE(w->widget), luaL_checknumber(L, 3));
break;
case L_TK_FONT:
tmp = luaL_checklstring(L, 3, &len);
font = pango_font_description_from_string(tmp);
gtk_widget_modify_font(GTK_WIDGET(w->widget), font);
g_object_set_data_full(G_OBJECT(w->widget), "font", g_strdup(tmp), g_free);
break;
default:
warn("unknown property: %s", luaL_checkstring(L, 2));
return 0;
}
return luaH_object_property_signal(L, 1, token);
}
static void
activate_cb(GtkEntry* UNUSED(e), widget_t *w)
{
lua_State *L = globalconf.L;
luaH_object_push(L, w->ref);
luaH_object_emit_signal(L, -1, "activate", 0, 0);
lua_pop(L, 1);
}
static void
changed_cb(widget_t *w)
{
lua_State *L = globalconf.L;
luaH_object_push(L, w->ref);
luaH_object_emit_signal(L, -1, "changed", 0, 0);
lua_pop(L, 1);
}
static void
position_cb(GtkEntry* UNUSED(e), GParamSpec* UNUSED(ps), widget_t *w)
{
lua_State *L = globalconf.L;
luaH_object_push(L, w->ref);
luaH_object_emit_signal(L, -1, "property::position", 0, 0);
lua_pop(L, 1);
}
widget_t *
widget_entry(widget_t *w, luakit_token_t UNUSED(token))
{
w->index = luaH_entry_index;
w->newindex = luaH_entry_newindex;
w->destructor = widget_destructor;
/* create gtk label widget as main widget */
w->widget = gtk_entry_new();
/* setup default settings */
gtk_entry_set_inner_border(GTK_ENTRY(w->widget), NULL);
g_object_connect(G_OBJECT(w->widget),
LUAKIT_WIDGET_SIGNAL_COMMON(w)
"signal::activate", G_CALLBACK(activate_cb), w,
"signal::key-press-event", G_CALLBACK(key_press_cb), w,
"signal::notify::cursor-position", G_CALLBACK(position_cb), w,
// The following signals replace the old "signal::changed", since that
// does not allow for the selection to be changed in it's callback.
"swapped-signal-after::backspace", G_CALLBACK(changed_cb), w,
"swapped-signal-after::delete-from-cursor", G_CALLBACK(changed_cb), w,
"swapped-signal-after::insert-at-cursor", G_CALLBACK(changed_cb), w,
"swapped-signal-after::paste-clipboard", G_CALLBACK(changed_cb), w,
"swapped-signal::button-release-event", G_CALLBACK(changed_cb), w,
NULL);
// Further signal to replace "signal::changed"
GtkEntry* entry = GTK_ENTRY(w->widget);
g_object_connect(G_OBJECT(entry->im_context),
"swapped-signal::commit", G_CALLBACK(changed_cb), w,
NULL);
gtk_widget_show(w->widget);
return w;
}
// vim: ft=c:et:sw=4:ts=8:sts=4:tw=80
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