int textbox_get_height ( textbox *tb )
{
return textbox_get_font_height ( tb ) + 2 * SIDE_MARGIN;
}
static void texbox_update ( textbox *tb )
{
if ( tb->update ) {
if ( tb->main_surface ) {
cairo_destroy ( tb->main_draw );
cairo_surface_destroy ( tb->main_surface );
tb->main_draw = NULL;
tb->main_surface = NULL;
}
tb->main_surface = cairo_image_surface_create ( get_format (), tb->w, tb->h );
tb->main_draw = cairo_create ( tb->main_surface );
PangoFontDescription *pfd = pango_font_description_from_string ( config.menu_font );
pango_font_description_free ( pfd );
cairo_set_operator ( tb->main_draw, CAIRO_OPERATOR_SOURCE );
pango_cairo_update_layout ( tb->main_draw, tb->layout );
char *text = tb->text ? tb->text : "";
int text_len = strlen ( text );
int font_height = textbox_get_font_height ( tb );
int cursor_x = 0;
int cursor_width = MAX ( 2, font_height / 10 );
if ( tb->changed ) {
if ( tb->flags & TB_MARKUP ) {
pango_layout_set_markup ( tb->layout, text, text_len );
}
else{
pango_layout_set_text ( tb->layout, text, text_len );
}
}
if ( tb->flags & TB_EDITABLE ) {
PangoRectangle pos;
int cursor_offset = 0;
cursor_offset = MIN ( tb->cursor, text_len );
pango_layout_get_cursor_pos ( tb->layout, cursor_offset, &pos, NULL );
// Add a small 4px offset between cursor and last glyph.
cursor_x = pos.x / PANGO_SCALE;
}
// Skip the side MARGIN on the X axis.
int x = SIDE_MARGIN;
int y = 0;
if ( tb->flags & TB_RIGHT ) {
int line_width = 0;
// Get actual width.
pango_layout_get_pixel_size ( tb->layout, &line_width, NULL );
x = ( tb->w - line_width - SIDE_MARGIN );
}
else if ( tb->flags & TB_CENTER ) {
int tw = textbox_get_font_width ( tb );
x = ( ( tb->w - tw - 2 * SIDE_MARGIN ) ) / 2;
}
short fh = textbox_get_font_height ( tb );
if ( fh > tb->h ) {
y = 0;
}
else {
y = ( ( tb->h - fh ) ) / 2;
}
// Set ARGB
Color col = tb->color_bg;
cairo_set_source_rgba ( tb->main_draw, col.red, col.green, col.blue, col.alpha );
cairo_paint ( tb->main_draw );
// Set ARGB
col = tb->color_fg;
cairo_set_source_rgba ( tb->main_draw, col.red, col.green, col.blue, col.alpha );
cairo_move_to ( tb->main_draw, x, y );
pango_cairo_show_layout ( tb->main_draw, tb->layout );
//cairo_fill(tb->draw);
// draw the cursor
if ( tb->flags & TB_EDITABLE ) {
cairo_rectangle ( tb->main_draw, x + cursor_x, y, cursor_width, font_height );
cairo_fill ( tb->main_draw );
}
tb->update = FALSE;
}
}
static void texbox_update ( textbox *tb )
{
if ( tb->update ) {
unsigned int offset = ( tb->flags & TB_INDICATOR ) ? DOT_OFFSET : 0;
if ( tb->main_surface ) {
cairo_destroy ( tb->main_draw );
cairo_surface_destroy ( tb->main_surface );
tb->main_draw = NULL;
tb->main_surface = NULL;
}
tb->main_surface = cairo_image_surface_create ( CAIRO_FORMAT_ARGB32, tb->widget.w, tb->widget.h );
tb->main_draw = cairo_create ( tb->main_surface );
cairo_set_operator ( tb->main_draw, CAIRO_OPERATOR_OVER );
pango_cairo_update_layout ( tb->main_draw, tb->layout );
int font_height = textbox_get_font_height ( tb );
int cursor_x = 0;
int cursor_y = 0;
int cursor_width = 2; //MAX ( 2, font_height / 10 );
int cursor_height = font_height;
if ( tb->changed ) {
__textbox_update_pango_text ( tb );
}
if ( tb->flags & TB_EDITABLE ) {
// We want to place the cursor based on the text shown.
const char *text = pango_layout_get_text ( tb->layout );
// Clamp the position, should not be needed, but we are paranoid.
int cursor_offset = MIN ( tb->cursor, g_utf8_strlen ( text, -1 ) );
PangoRectangle pos;
// convert to byte location.
char *offset = g_utf8_offset_to_pointer ( text, cursor_offset );
pango_layout_get_cursor_pos ( tb->layout, offset - text, &pos, NULL );
cursor_x = pos.x / PANGO_SCALE;
cursor_y = pos.y / PANGO_SCALE;
cursor_height = pos.height / PANGO_SCALE;
}
// Skip the side MARGIN on the X axis.
int x = widget_padding_get_left ( WIDGET ( tb ) ) + offset;
int y = 0;
if ( tb->flags & TB_RIGHT ) {
int line_width = 0;
// Get actual width.
pango_layout_get_pixel_size ( tb->layout, &line_width, NULL );
x = ( tb->widget.w - line_width - widget_padding_get_right ( WIDGET ( tb ) ) - offset );
}
else if ( tb->flags & TB_CENTER ) {
int tw = textbox_get_font_width ( tb );
x = ( ( tb->widget.w - tw - widget_padding_get_padding_width ( WIDGET ( tb ) ) - offset ) ) / 2;
}
y = widget_padding_get_top ( WIDGET ( tb ) ) + ( pango_font_metrics_get_ascent ( p_metrics ) - pango_layout_get_baseline ( tb->layout ) ) / PANGO_SCALE;
rofi_theme_get_color ( WIDGET ( tb ), "foreground", tb->main_draw );
// Text
rofi_theme_get_color ( WIDGET ( tb ), "text", tb->main_draw );
// draw the cursor
if ( tb->flags & TB_EDITABLE && tb->blink ) {
cairo_rectangle ( tb->main_draw, x + cursor_x, y + cursor_y, cursor_width, cursor_height );
cairo_fill ( tb->main_draw );
}
// Set ARGB
// We need to set over, otherwise subpixel hinting wont work.
//cairo_set_operator ( tb->main_draw, CAIRO_OPERATOR_OVER );
cairo_move_to ( tb->main_draw, x, y );
pango_cairo_show_layout ( tb->main_draw, tb->layout );
if ( ( tb->flags & TB_INDICATOR ) == TB_INDICATOR && ( tb->tbft & ( SELECTED ) ) ) {
cairo_arc ( tb->main_draw, DOT_OFFSET / 2.0, tb->widget.h / 2.0, 2.0, 0, 2.0 * M_PI );
cairo_fill ( tb->main_draw );
}
tb->update = FALSE;
}
}
int textbox_get_height ( const textbox *tb )
{
return textbox_get_font_height ( tb ) + widget_padding_get_padding_height ( WIDGET ( tb ) );
}
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 );
}
