// handle a keypress in edit mode
// 0 = unhandled
// 1 = handled
// -1 = handled and return pressed (finished)
int textbox_keypress(textbox *tb, XEvent *ev)
{
if (!(tb->flags & TB_EDITABLE)) return 0;
KeySym key; Status stat; char pad[32];
int len = XmbLookupString(tb->xic, &ev->xkey, pad, sizeof(pad), &key, &stat);
pad[len] = 0;
switch (key)
{
case XK_Left : textbox_cursor_dec(tb); return 1;
case XK_Right : textbox_cursor_inc(tb); return 1;
case XK_Home : textbox_cursor_home(tb); return 1;
case XK_End : textbox_cursor_end(tb); return 1;
case XK_Delete : textbox_cursor_del(tb); return 1;
case XK_BackSpace : textbox_cursor_bkspc(tb); return 1;
case XK_Return : return -1;
default:
if (!iscntrl(*pad))
{
textbox_insert(tb, tb->cursor, pad);
textbox_cursor_inc(tb);
return 1;
}
}
return 0;
}
textbox* textbox_create ( TextboxFlags flags, short x, short y, short w, short h,
TextBoxFontType tbft, const char *text )
{
textbox *tb = g_malloc0 ( sizeof ( textbox ) );
tb->flags = flags;
tb->x = x;
tb->y = y;
tb->w = MAX ( 1, w );
tb->h = MAX ( 1, h );
tb->changed = FALSE;
tb->main_surface = cairo_image_surface_create ( get_format (), tb->w, tb->h );
tb->main_draw = cairo_create ( tb->main_surface );
tb->layout = pango_cairo_create_layout ( tb->main_draw );
PangoFontDescription *pfd = pango_font_description_from_string ( config.menu_font );
pango_layout_set_font_description ( tb->layout, pfd );
pango_font_description_free ( pfd );
textbox_font ( tb, tbft );
if ( ( flags & TB_WRAP ) == TB_WRAP ) {
pango_layout_set_wrap ( tb->layout, PANGO_WRAP_WORD_CHAR );
}
textbox_text ( tb, text ? text : "" );
textbox_cursor_end ( tb );
// auto height/width modes get handled here
textbox_moveresize ( tb, tb->x, tb->y, tb->w, tb->h );
return tb;
}
// handle a keypress in edit mode
// 0 = unhandled
// 1 = handled
// -1 = handled and return pressed (finished)
int textbox_keypress(textbox *tb, XEvent *ev)
{
KeySym key; Status stat;
char pad[32]; int len;
if (!(tb->flags & TB_EDITABLE)) return 0;
len = XmbLookupString(tb->xic, &ev->xkey, pad, sizeof(pad), &key, &stat);
pad[len] = 0;
if (key == XK_Left)
{
textbox_cursor_dec(tb);
return 1;
}
else
if (key == XK_Right)
{
textbox_cursor_inc(tb);
return 1;
}
else
if (key == XK_Home)
{
textbox_cursor_home(tb);
return 1;
}
else
if (key == XK_End)
{
textbox_cursor_end(tb);
return 1;
}
else
if (key == XK_Delete)
{
textbox_cursor_del(tb);
return 1;
}
else
if (key == XK_BackSpace)
{
textbox_cursor_bkspc(tb);
return 1;
}
else
if (key == XK_Return)
{
return -1;
}
else
if (!iscntrl(*pad))
{
textbox_insert(tb, tb->cursor, pad);
textbox_cursor_inc(tb);
return 1;
}
return 0;
}
textbox* textbox_create ( const char *name, TextboxFlags flags, TextBoxFontType tbft, const char *text )
{
textbox *tb = g_slice_new0 ( textbox );
widget_init ( WIDGET ( tb ), name );
tb->widget.draw = textbox_draw;
tb->widget.free = textbox_free;
tb->widget.resize = textbox_resize;
tb->widget.get_width = textbox_get_width;
tb->widget.get_height = _textbox_get_height;
tb->widget.get_desired_height = textbox_get_desired_height;
tb->flags = flags;
tb->changed = FALSE;
tb->main_surface = cairo_image_surface_create ( CAIRO_FORMAT_ARGB32, tb->widget.w, tb->widget.h );
tb->main_draw = cairo_create ( tb->main_surface );
tb->layout = pango_layout_new ( p_context );
textbox_font ( tb, tbft );
if ( ( flags & TB_WRAP ) == TB_WRAP ) {
pango_layout_set_wrap ( tb->layout, PANGO_WRAP_WORD_CHAR );
}
textbox_text ( tb, text ? text : "" );
textbox_cursor_end ( tb );
// auto height/width modes get handled here
textbox_moveresize ( tb, tb->widget.x, tb->widget.y, tb->widget.w, tb->widget.h );
tb->blink_timeout = 0;
tb->blink = 1;
if ( ( flags & TB_EDITABLE ) == TB_EDITABLE ) {
tb->blink_timeout = g_timeout_add ( 1200, textbox_blink, tb );
}
// Enabled by default
tb->widget.enabled = TRUE;
return tb;
}
// Xft text box, optionally editable
textbox* textbox_create( Window parent, unsigned long flags, short x, short y, short w, short h, char *font, char *fg, char *bg, char *text, char *prompt )
{
textbox *tb = calloc( 1, sizeof( textbox ) );
tb->flags = flags;
tb->parent = parent;
tb->x = x;
tb->y = y;
tb->w = MAX( 1, w );
tb->h = MAX( 1, h );
XColor color;
Colormap map = DefaultColormap( display, DefaultScreen( display ) );
unsigned int cp = XAllocNamedColor( display, map, bg, &color, &color ) ? color.pixel: None;
tb->window = XCreateSimpleWindow( display, tb->parent, tb->x, tb->y, tb->w, tb->h, 0, None, cp );
// need to preload the font to calc line height
textbox_font( tb, font, fg, bg );
tb->prompt = strdup( prompt ? prompt: "" );
textbox_text( tb, text ? text: "" );
textbox_cursor_end( tb );
// auto height/width modes get handled here
textbox_moveresize( tb, tb->x, tb->y, tb->w, tb->h );
// edit mode controls
if ( tb->flags & TB_EDITABLE ) {
tb->xim = XOpenIM( display, NULL, NULL, NULL );
tb->xic = XCreateIC( tb->xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, XNClientWindow, tb->window, XNFocusWindow, tb->window, NULL );
}
return tb;
}
// handle a keypress in edit mode
// 2 = nav
// 0 = unhandled
// 1 = handled
// -1 = handled and return pressed (finished)
int textbox_keypress ( textbox *tb, XIC xic, XEvent *ev )
{
KeySym key;
Status stat;
char pad[32];
int len;
if ( !( tb->flags & TB_EDITABLE ) ) {
return 0;
}
len = Xutf8LookupString ( xic, &ev->xkey, pad, sizeof ( pad ), &key, &stat );
pad[len] = 0;
// Left or Ctrl-b
if ( abe_test_action ( MOVE_CHAR_BACK, ev->xkey.state, key ) ) {
textbox_cursor_dec ( tb );
return 2;
}
// Right or Ctrl-F
else if ( abe_test_action ( MOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_inc ( tb );
return 2;
}
// Ctrl-U: Kill from the beginning to the end of the line.
else if ( abe_test_action ( CLEAR_LINE, ev->xkey.state, key ) ) {
textbox_text ( tb, "" );
return 1;
}
// Ctrl-A
else if ( abe_test_action ( MOVE_FRONT, ev->xkey.state, key ) ) {
textbox_cursor ( tb, 0 );
return 2;
}
// Ctrl-E
else if ( abe_test_action ( MOVE_END, ev->xkey.state, key ) ) {
textbox_cursor_end ( tb );
return 2;
}
// Ctrl-Alt-h
else if ( abe_test_action ( REMOVE_WORD_BACK, ev->xkey.state, key ) ) {
textbox_cursor_bkspc_word ( tb );
return 1;
}
// Ctrl-Alt-d
else if ( abe_test_action ( REMOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_del_word ( tb );
return 1;
} // Delete or Ctrl-D
else if ( abe_test_action ( REMOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_del ( tb );
return 1;
}
// Alt-B
else if ( abe_test_action ( MOVE_WORD_BACK, ev->xkey.state, key ) ) {
textbox_cursor_dec_word ( tb );
return 2;
}
// Alt-F
else if ( abe_test_action ( MOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_inc_word ( tb );
return 2;
}
// BackSpace, Ctrl-h
else if ( abe_test_action ( REMOVE_CHAR_BACK, ev->xkey.state, key ) ) {
textbox_cursor_bkspc ( tb );
return 1;
}
else if ( abe_test_action ( ACCEPT_CUSTOM, ev->xkey.state, key ) ) {
return -2;
}
else if ( abe_test_action ( ACCEPT_ENTRY_CONTINUE, ev->xkey.state, key ) ) {
return -3;
}
else if ( abe_test_action ( ACCEPT_ENTRY, ev->xkey.state, key ) ) {
return -1;
}
else if ( !iscntrl ( *pad ) ) {
textbox_insert ( tb, tb->cursor, pad );
textbox_cursor_inc ( tb );
return 1;
}
return 0;
}
// handle a keypress in edit mode
// 2 = nav
// 0 = unhandled
// 1 = handled
// -1 = handled and return pressed (finished)
int textbox_keybinding ( textbox *tb, KeyBindingAction action )
{
if ( !( tb->flags & TB_EDITABLE ) ) {
return 0;
}
switch ( action )
{
// Left or Ctrl-b
case MOVE_CHAR_BACK:
textbox_cursor_dec ( tb );
return 2;
// Right or Ctrl-F
case MOVE_CHAR_FORWARD:
textbox_cursor_inc ( tb );
return 2;
// Ctrl-U: Kill from the beginning to the end of the line.
case CLEAR_LINE:
textbox_text ( tb, "" );
return 1;
// Ctrl-A
case MOVE_FRONT:
textbox_cursor ( tb, 0 );
return 2;
// Ctrl-E
case MOVE_END:
textbox_cursor_end ( tb );
return 2;
// Ctrl-Alt-h
case REMOVE_WORD_BACK:
textbox_cursor_bkspc_word ( tb );
return 1;
// Ctrl-Alt-d
case REMOVE_WORD_FORWARD:
textbox_cursor_del_word ( tb );
return 1;
case REMOVE_TO_EOL:
textbox_cursor_del_eol ( tb );
return 1;
case REMOVE_TO_SOL:
textbox_cursor_del_sol ( tb );
return 1;
// Delete or Ctrl-D
case REMOVE_CHAR_FORWARD:
textbox_cursor_del ( tb );
return 1;
// Alt-B
case MOVE_WORD_BACK:
textbox_cursor_dec_word ( tb );
return 2;
// Alt-F
case MOVE_WORD_FORWARD:
textbox_cursor_inc_word ( tb );
return 2;
// BackSpace, Ctrl-h
case REMOVE_CHAR_BACK:
textbox_cursor_bkspc ( tb );
return 1;
default:
g_return_val_if_reached ( 0 );
}
}
// handle a keypress in edit mode
// 2 = nav
// 0 = unhandled
// 1 = handled
// -1 = handled and return pressed (finished)
int textbox_keypress ( textbox *tb, XEvent *ev, char *pad, KeySym key, Status stat )
{
if ( !( tb->flags & TB_EDITABLE ) ) {
return 0;
}
if ( stat == XLookupKeySym || stat == XLookupBoth ) {
// Left or Ctrl-b
if ( abe_test_action ( MOVE_CHAR_BACK, ev->xkey.state, key ) ) {
textbox_cursor_dec ( tb );
return 2;
}
// Right or Ctrl-F
else if ( abe_test_action ( MOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_inc ( tb );
return 2;
}
// Ctrl-U: Kill from the beginning to the end of the line.
else if ( abe_test_action ( CLEAR_LINE, ev->xkey.state, key ) ) {
textbox_text ( tb, "" );
return 1;
}
// Ctrl-A
else if ( abe_test_action ( MOVE_FRONT, ev->xkey.state, key ) ) {
textbox_cursor ( tb, 0 );
return 2;
}
// Ctrl-E
else if ( abe_test_action ( MOVE_END, ev->xkey.state, key ) ) {
textbox_cursor_end ( tb );
return 2;
}
// Ctrl-Alt-h
else if ( abe_test_action ( REMOVE_WORD_BACK, ev->xkey.state, key ) ) {
textbox_cursor_bkspc_word ( tb );
return 1;
}
// Ctrl-Alt-d
else if ( abe_test_action ( REMOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_del_word ( tb );
return 1;
} // Delete or Ctrl-D
else if ( abe_test_action ( REMOVE_CHAR_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_del ( tb );
return 1;
}
// Alt-B
else if ( abe_test_action ( MOVE_WORD_BACK, ev->xkey.state, key ) ) {
textbox_cursor_dec_word ( tb );
return 2;
}
// Alt-F
else if ( abe_test_action ( MOVE_WORD_FORWARD, ev->xkey.state, key ) ) {
textbox_cursor_inc_word ( tb );
return 2;
}
// BackSpace, Ctrl-h
else if ( abe_test_action ( REMOVE_CHAR_BACK, ev->xkey.state, key ) ) {
textbox_cursor_bkspc ( tb );
return 1;
}
else if ( abe_test_action ( ACCEPT_CUSTOM, ev->xkey.state, key ) ) {
return -2;
}
else if ( abe_test_action ( ACCEPT_ENTRY_CONTINUE, ev->xkey.state, key ) ) {
return -3;
}
else if ( abe_test_action ( ACCEPT_ENTRY, ev->xkey.state, key ) ) {
return -1;
}
}
if ( *pad != 0 && ( stat == XLookupBoth || stat == XLookupChars ) ) {
// Filter When alt/ctrl is pressed do not accept the character.
if ( !g_ascii_iscntrl ( *pad ) ) {
textbox_insert ( tb, tb->cursor, pad );
textbox_cursor_inc ( tb );
return 1;
}
}
return 0;
}
int main ( int argc, char **argv )
{
// Get DISPLAY
const char *display_str = getenv ( "DISPLAY" );
if ( !( display = XOpenDisplay ( display_str ) ) ) {
fprintf ( stderr, "cannot open display!\n" );
return EXIT_FAILURE;
}
TASSERT( display != NULL );
Screen *screen = DefaultScreenOfDisplay ( display );
Window root = RootWindow ( display, XScreenNumberOfScreen ( screen ) );
Window mw = XCreateSimpleWindow ( display, root, 0, 0, 200, 100,
config.menu_bw,
color_get ( display, config.menu_bc ),
color_get ( display, config.menu_bg ) );
TASSERT( mw != None );
textbox_setup ( config.menu_bg, config.menu_fg,
config.menu_hlbg, config.menu_hlfg );
textbox *box = textbox_create(mw , TB_EDITABLE|TB_AUTOWIDTH|TB_AUTOHEIGHT, 0,0, -1, -1, NORMAL, "test");
TASSERT( box != NULL );
textbox_cursor_end ( box );
TASSERT ( box->cursor == 4);
textbox_cursor ( box, -1 );
TASSERT ( box->cursor == 0 );
textbox_cursor ( box, 8 );
TASSERT ( box->cursor == 4 );
textbox_cursor ( box, 2 );
TASSERT ( box->cursor == 2 );
textbox_insert ( box, 3, "bo");
TASSERT ( strcmp(box->text, "tesbot") == 0 );
textbox_cursor_end ( box );
TASSERT ( box->cursor == 6);
TASSERT( textbox_get_width( box) > 0 );
TASSERT( textbox_get_height( box) > 0 );
TASSERT( textbox_get_width( box) >= textbox_get_font_width( box) );
TASSERT( textbox_get_height( box) >= textbox_get_font_height( box) );
TASSERT( textbox_get_estimated_char_width ( box) > 0 );
textbox_cursor_bkspc ( box );
TASSERT ( strcmp(box->text, "tesbo") == 0 );
TASSERT ( box->cursor == 5);
textbox_cursor_dec ( box );
TASSERT ( box->cursor == 4);
textbox_cursor_del ( box );
TASSERT ( strcmp(box->text, "tesb") == 0 );
textbox_cursor_dec ( box );
TASSERT ( box->cursor == 3);
textbox_cursor_inc ( box );
TASSERT ( box->cursor == 4);
textbox_cursor_inc ( box );
TASSERT ( box->cursor == 4);
// Cursor after delete section.
textbox_delete ( box, 0, 1 );
TASSERT ( strcmp(box->text, "esb") == 0 );
TASSERT ( box->cursor == 3);
// Cursor before delete.
textbox_text( box, "aap noot mies");
TASSERT ( strcmp(box->text, "aap noot mies") == 0 );
textbox_cursor( box, 3 );
TASSERT ( box->cursor == 3);
textbox_delete ( box, 3, 6 );
TASSERT ( strcmp(box->text, "aapmies") == 0 );
TASSERT ( box->cursor == 3);
// Cursor within delete
textbox_text( box, "aap noot mies");
TASSERT ( strcmp(box->text, "aap noot mies") == 0 );
textbox_cursor( box, 5 );
TASSERT ( box->cursor == 5);
textbox_delete ( box, 3, 6 );
TASSERT ( strcmp(box->text, "aapmies") == 0 );
TASSERT ( box->cursor == 3);
// Cursor after delete.
textbox_text( box, "aap noot mies");
TASSERT ( strcmp(box->text, "aap noot mies") == 0 );
textbox_cursor( box, 11 );
TASSERT ( box->cursor == 11);
textbox_delete ( box, 3, 6 );
TASSERT ( strcmp(box->text, "aapmies") == 0 );
TASSERT ( box->cursor == 5);
textbox_font ( box, HIGHLIGHT );
textbox_draw( box );
textbox_show( box );
textbox_move ( box, 12, 13);
TASSERT ( box->x == 12 );
TASSERT ( box->y == 13 );
textbox_hide( box );
textbox_free(box);
textbox_cleanup();
XDestroyWindow ( display, mw);
XCloseDisplay ( display );
}
