// 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: "");
// 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;
}
// Xft text box, optionally editable
textbox* textbox_create(Window parent, bitmap flags, short x, short y, short w, short h, char *font, char *fg, char *bg, char *text, char *prompt)
{
textbox *tb = allocate_clear(sizeof(textbox));
tb->flags = flags;
tb->parent = parent;
tb->x = x; tb->y = y; tb->w = MAX(1, w); tb->h = MAX(1, h);
tb->window = XCreateSimpleWindow(display, tb->parent, tb->x, tb->y, tb->w, tb->h, 0, None, color_get(bg));
// 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: "");
// 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;
}
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;
}
// set the default text to display
void textbox_text ( textbox *tb, const char *text )
{
tb->update = TRUE;
g_free ( tb->text );
const gchar *last_pointer = NULL;
if ( g_utf8_validate ( text, -1, &last_pointer ) ) {
tb->text = g_strdup ( text );
}
else {
if ( last_pointer != NULL ) {
// Copy string up to invalid character.
tb->text = g_strndup ( text, ( last_pointer - text ) );
}
else {
tb->text = g_strdup ( "Invalid UTF-8 string." );
}
}
if ( tb->flags & TB_MARKUP || tb->tbft & MARKUP ) {
pango_layout_set_markup ( tb->layout, tb->text, strlen ( tb->text ) );
}
else {
pango_layout_set_text ( tb->layout, tb->text, strlen ( tb->text ) );
}
if ( tb->flags & TB_AUTOWIDTH ) {
textbox_moveresize ( tb, tb->x, tb->y, tb->w, tb->h );
}
tb->cursor = MAX ( 0, MIN ( ( int ) strlen ( text ), tb->cursor ) );
}
// set the default text to display
void textbox_text ( textbox *tb, const char *text )
{
tb->update = TRUE;
g_free ( tb->text );
const gchar *last_pointer = NULL;
if ( g_utf8_validate ( text, -1, &last_pointer ) ) {
tb->text = g_strdup ( text );
}
else {
if ( last_pointer != NULL ) {
// Copy string up to invalid character.
tb->text = g_strndup ( text, ( last_pointer - text ) );
}
else {
tb->text = g_strdup ( "Invalid UTF-8 string." );
}
}
__textbox_update_pango_text ( tb );
if ( tb->flags & TB_AUTOWIDTH ) {
textbox_moveresize ( tb, tb->widget.x, tb->widget.y, tb->widget.w, tb->widget.h );
if ( WIDGET ( tb )->parent ) {
widget_update ( WIDGET ( tb )->parent );
}
}
tb->cursor = MAX ( 0, MIN ( ( int ) g_utf8_strlen ( tb->text, -1 ), tb->cursor ) );
widget_queue_redraw ( WIDGET ( tb ) );
}
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;
}
static void listview_draw ( widget *wid, cairo_t *draw )
{
unsigned int offset = 0;
listview *lv = (listview *) wid;
if ( lv->scroll_type == LISTVIEW_SCROLL_CONTINIOUS ) {
offset = scroll_continious ( lv );
}
else {
offset = scroll_per_page ( lv );
}
// Set these all together to make sure they update consistently.
scrollbar_set_max_value ( lv->scrollbar, lv->req_elements );
scrollbar_set_handle_length ( lv->scrollbar, lv->cur_columns * lv->max_rows );
if ( lv->reverse ) {
scrollbar_set_handle ( lv->scrollbar, lv->req_elements - lv->selected - 1 );
}
else {
scrollbar_set_handle ( lv->scrollbar, lv->selected );
}
lv->last_offset = offset;
int spacing_vert = distance_get_pixel ( lv->spacing, ORIENTATION_VERTICAL );
int spacing_hori = distance_get_pixel ( lv->spacing, ORIENTATION_HORIZONTAL );
int left_offset = widget_padding_get_left ( wid );
int top_offset = widget_padding_get_top ( wid );
if ( lv->scrollbar->widget.index == 0 ) {
left_offset += spacing_hori + lv->scrollbar->widget.w;
}
if ( lv->cur_elements > 0 && lv->max_rows > 0 ) {
// Set new x/y possition.
unsigned int max = MIN ( lv->cur_elements, lv->req_elements - offset );
if ( lv->rchanged ) {
unsigned int width = lv->widget.w - spacing_hori * ( lv->cur_columns - 1 );
width -= widget_padding_get_padding_width ( wid );
if ( widget_enabled ( WIDGET ( lv->scrollbar ) ) ) {
width -= spacing_hori;
width -= widget_get_width ( WIDGET ( lv->scrollbar ) );
}
unsigned int element_width = ( width ) / lv->cur_columns;
for ( unsigned int i = 0; i < max; i++ ) {
unsigned int ex = left_offset + ( ( i ) / lv->max_rows ) * ( element_width + spacing_hori );
if ( lv->reverse ) {
unsigned int ey = wid->h - ( widget_padding_get_bottom ( wid ) + ( ( i ) % lv->max_rows ) * ( lv->element_height + spacing_vert ) ) - lv->element_height;
textbox_moveresize ( lv->boxes[i], ex, ey, element_width, lv->element_height );
}
else {
unsigned int ey = top_offset + ( ( i ) % lv->max_rows ) * ( lv->element_height + spacing_vert );
textbox_moveresize ( lv->boxes[i], ex, ey, element_width, lv->element_height );
}
update_element ( lv, i, i + offset, TRUE );
widget_draw ( WIDGET ( lv->boxes[i] ), draw );
}
lv->rchanged = FALSE;
}
else {
for ( unsigned int i = 0; i < max; i++ ) {
update_element ( lv, i, i + offset, FALSE );
widget_draw ( WIDGET ( lv->boxes[i] ), draw );
}
}
}
widget_draw ( WIDGET ( lv->scrollbar ), draw );
}
static void textbox_resize ( widget *wid, short w, short h )
{
textbox *tb = (textbox *) wid;
textbox_moveresize ( tb, tb->widget.x, tb->widget.y, w, h );
}
