int widget_padding_get_right ( const widget *wid )
{
int distance = distance_get_pixel ( wid->padding.right, ORIENTATION_HORIZONTAL );
distance += distance_get_pixel ( wid->border.right, ORIENTATION_HORIZONTAL );
distance += distance_get_pixel ( wid->margin.right, ORIENTATION_HORIZONTAL );
return distance;
}
int widget_padding_get_bottom ( const widget *wid )
{
int distance = distance_get_pixel ( wid->padding.bottom, ORIENTATION_VERTICAL );
distance += distance_get_pixel ( wid->border.bottom, ORIENTATION_VERTICAL );
distance += distance_get_pixel ( wid->margin.bottom, ORIENTATION_VERTICAL );
return distance;
}
static int listview_get_desired_height ( widget *wid )
{
listview *lv = (listview *) wid;
if ( lv == NULL || lv->widget.enabled == FALSE ) {
return 0;
}
int spacing = distance_get_pixel ( lv->spacing, ORIENTATION_VERTICAL );
int h = lv->menu_lines;
if ( !( lv->fixed_num_lines ) ) {
if ( lv->dynamic ) {
h = MIN ( lv->menu_lines, lv->req_elements );
}
else {
h = MIN ( lv->menu_lines, lv->max_displayed_lines );
}
}
if ( h == 0 ) {
if ( lv->dynamic && !lv->fixed_num_lines ) {
// Hide widget fully.
return 0;
}
return widget_padding_get_padding_height ( WIDGET ( lv ) );
}
int height = widget_padding_get_padding_height ( WIDGET ( lv ) );
height += h * ( lv->element_height + spacing ) - spacing;
return height;
}
static void listview_resize ( widget *wid, short w, short h )
{
listview *lv = (listview *) wid;
lv->widget.w = MAX ( 0, w );
lv->widget.h = MAX ( 0, h );
int height = lv->widget.h - widget_padding_get_padding_height ( WIDGET ( lv ) );
int spacing_vert = distance_get_pixel ( lv->spacing, ORIENTATION_VERTICAL );
lv->max_rows = ( spacing_vert + height ) / ( lv->element_height + spacing_vert );
lv->max_elements = lv->max_rows * lv->menu_columns;
if ( lv->scrollbar->widget.index == 0 ) {
widget_move ( WIDGET ( lv->scrollbar ),
widget_padding_get_left ( WIDGET ( lv ) ),
widget_padding_get_top ( WIDGET ( lv ) ) );
}
else {
widget_move ( WIDGET ( lv->scrollbar ),
lv->widget.w - widget_padding_get_right ( WIDGET ( lv ) ) - widget_get_width ( WIDGET ( lv->scrollbar ) ),
widget_padding_get_top ( WIDGET ( lv ) ) );
}
widget_resize ( WIDGET ( lv->scrollbar ), widget_get_width ( WIDGET ( lv->scrollbar ) ), height );
listview_recompute_elements ( lv );
widget_queue_redraw ( wid );
}
static int box_get_desired_height ( widget *wid )
{
box *b = (box *) wid;
int spacing = distance_get_pixel ( b->spacing, b->type );
int height = 0;
if ( b->type == ROFI_ORIENTATION_VERTICAL ) {
int active_widgets = 0;
for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) {
widget * child = (widget *) iter->data;
if ( !child->enabled ) {
continue;
}
active_widgets++;
if ( child->expand == TRUE ) {
height += widget_get_desired_height ( child );
continue;
}
height += widget_get_desired_height ( child );
}
if ( active_widgets > 0 ) {
height += ( active_widgets - 1 ) * spacing;
}
}
else {
for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) {
widget * child = (widget *) iter->data;
if ( !child->enabled ) {
continue;
}
height = MAX ( widget_get_desired_height ( child ), height );
}
}
height += widget_padding_get_padding_height ( wid );
return height;
}
scrollbar *scrollbar_create ( widget *parent, const char *name )
{
scrollbar *sb = g_malloc0 ( sizeof ( scrollbar ) );
widget_init ( WIDGET ( sb ), parent, WIDGET_TYPE_SCROLLBAR, name );
sb->widget.x = 0;
sb->widget.y = 0;
sb->width = rofi_theme_get_distance ( WIDGET ( sb ), "handle-width", DEFAULT_SCROLLBAR_WIDTH );
int width = distance_get_pixel ( sb->width, ROFI_ORIENTATION_HORIZONTAL );
sb->widget.w = widget_padding_get_padding_width ( WIDGET ( sb ) ) + width;
sb->widget.h = widget_padding_get_padding_height ( WIDGET ( sb ) );
sb->widget.draw = scrollbar_draw;
sb->widget.free = scrollbar_free;
sb->widget.trigger_action = scrollbar_trigger_action;
sb->widget.motion_notify = scrollbar_motion_notify;
sb->widget.get_desired_height = scrollbar_get_desired_height;
sb->length = 10;
sb->pos = 0;
sb->pos_length = 4;
return sb;
}
void widget_draw ( widget *widget, cairo_t *d )
{
// Check if enabled and if draw is implemented.
if ( widget && widget->enabled && widget->draw ) {
// Don't draw if there is no space.
if ( widget->h < 1 || widget->w < 1 ) {
widget->need_redraw = FALSE;
return;
}
// Store current state.
cairo_save ( d );
int margin_left = distance_get_pixel ( widget->margin.left, ORIENTATION_HORIZONTAL );
int margin_top = distance_get_pixel ( widget->margin.top, ORIENTATION_VERTICAL );
int margin_right = distance_get_pixel ( widget->margin.right, ORIENTATION_HORIZONTAL );
int margin_bottom = distance_get_pixel ( widget->margin.bottom, ORIENTATION_VERTICAL );
// Define a clipmask so we won't draw outside out widget.
cairo_rectangle ( d,
widget->x + margin_left,
widget->y + margin_top,
widget->w - margin_right - margin_left,
widget->h - margin_top - margin_bottom
);
cairo_clip ( d );
cairo_set_source_rgba ( d, 1.0, 1.0, 1.0, 1.0 );
rofi_theme_get_color ( widget, "background", d );
cairo_paint ( d );
// Set new x/y possition.
cairo_translate ( d, widget->x, widget->y );
cairo_set_source_rgba ( d, 0.0, 0.0, 0.0, 1.0 );
int left = distance_get_pixel ( widget->border.left, ORIENTATION_HORIZONTAL );
int right = distance_get_pixel ( widget->border.right, ORIENTATION_HORIZONTAL );
int top = distance_get_pixel ( widget->border.top, ORIENTATION_VERTICAL );
int bottom = distance_get_pixel ( widget->border.bottom, ORIENTATION_VERTICAL );
if ( left || top || right || bottom ) {
cairo_save ( d );
rofi_theme_get_color ( widget, "foreground", d );
if ( left > 0 ) {
cairo_set_line_width ( d, left );
distance_get_linestyle ( widget->border.left, d );
cairo_move_to ( d, margin_left + left / 2.0, margin_top );
cairo_line_to ( d, margin_left + left / 2.0, widget->h - margin_bottom );
cairo_stroke ( d );
}
if ( right > 0 ) {
cairo_set_line_width ( d, right );
distance_get_linestyle ( widget->border.right, d );
cairo_move_to ( d, widget->w - margin_right - right / 2.0, 0 );
cairo_line_to ( d, widget->w - margin_right - right / 2.0, widget->h - margin_bottom );
cairo_stroke ( d );
}
if ( top > 0 ) {
cairo_set_line_width ( d, top );
distance_get_linestyle ( widget->border.top, d );
cairo_move_to ( d, margin_left, margin_top + top / 2.0 );
cairo_line_to ( d, widget->w - margin_right, margin_top + top / 2.0 );
cairo_stroke ( d );
}
if ( bottom > 0 ) {
cairo_set_line_width ( d, bottom );
distance_get_linestyle ( widget->border.bottom, d );
cairo_move_to ( d, margin_left, widget->h - bottom / 2.0 - margin_bottom );
cairo_line_to ( d, widget->w - margin_right, widget->h - bottom / 2.0 - margin_bottom );
cairo_stroke ( d );
}
cairo_restore ( d );
}
widget->draw ( widget, d );
widget->need_redraw = FALSE;
cairo_restore ( d );
}
}
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 hori_calculate_size ( box *b )
{
int spacing = distance_get_pixel ( b->spacing, ROFI_ORIENTATION_HORIZONTAL );
int expanding_widgets = 0;
int active_widgets = 0;
int rem_width = widget_padding_get_remaining_width ( WIDGET ( b ) );
int rem_height = widget_padding_get_remaining_height ( WIDGET ( b ) );
for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) {
widget * child = (widget *) iter->data;
if ( child->enabled && child->expand == FALSE ) {
widget_resize ( child,
widget_get_desired_width ( child ), //child->w,
rem_height );
}
}
b->max_size = 0;
for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) {
widget * child = (widget *) iter->data;
if ( !child->enabled ) {
continue;
}
active_widgets++;
if ( child->expand == TRUE ) {
expanding_widgets++;
continue;
}
// Size used by fixed width widgets.
if ( child->h > 0 ) {
b->max_size += child->w;
}
}
b->max_size += MAX ( 0, ( ( active_widgets - 1 ) * spacing ) );
if ( b->max_size > ( rem_width ) ) {
b->max_size = rem_width;
g_debug ( "Widgets to large (width) for box: %d %d", b->max_size, b->widget.w );
return;
}
if ( active_widgets > 0 ) {
int left = widget_padding_get_left ( WIDGET ( b ) );
double rem = rem_width - b->max_size;
int index = 0;
for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) {
widget * child = (widget *) iter->data;
if ( child->enabled == FALSE ) {
continue;
}
if ( child->expand == TRUE ) {
// Re-calculate to avoid round issues leaving one pixel left.
int expanding_widgets_size = ( rem ) / ( expanding_widgets - index );
widget_move ( child, left, widget_padding_get_top ( WIDGET ( b ) ) );
left += expanding_widgets_size;
widget_resize ( child, expanding_widgets_size, rem_height );
left += spacing;
rem -= expanding_widgets_size;
index++;
}
else {
widget_move ( child, left, widget_padding_get_top ( WIDGET ( b ) ) );
left += widget_get_width ( child );
left += spacing;
}
}
}
b->max_size += widget_padding_get_padding_width ( WIDGET ( b ) );
}
static void vert_calculate_size ( box *b )
{
int spacing = distance_get_pixel ( b->spacing, ROFI_ORIENTATION_VERTICAL );
int expanding_widgets = 0;
int active_widgets = 0;
int rem_width = widget_padding_get_remaining_width ( WIDGET ( b ) );
int rem_height = widget_padding_get_remaining_height ( WIDGET ( b ) );
for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) {
widget * child = (widget *) iter->data;
if ( child->enabled && child->expand == FALSE ) {
widget_resize ( child, rem_width, widget_get_desired_height ( child ) );
}
}
b->max_size = 0;
for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) {
widget * child = (widget *) iter->data;
if ( !child->enabled ) {
continue;
}
active_widgets++;
if ( child->expand == TRUE ) {
expanding_widgets++;
continue;
}
if ( child->h > 0 ) {
b->max_size += child->h;
}
}
if ( active_widgets > 0 ) {
b->max_size += ( active_widgets - 1 ) * spacing;
}
if ( b->max_size > rem_height ) {
b->max_size = rem_height;
g_debug ( "Widgets to large (height) for box: %d %d", b->max_size, b->widget.h );
return;
}
if ( active_widgets > 0 ) {
int top = widget_padding_get_top ( WIDGET ( b ) );
double rem = rem_height - b->max_size;
int index = 0;
for ( GList *iter = g_list_first ( b->children ); iter != NULL; iter = g_list_next ( iter ) ) {
widget * child = (widget *) iter->data;
if ( child->enabled == FALSE ) {
continue;
}
if ( child->expand == TRUE ) {
// Re-calculate to avoid round issues leaving one pixel left.
int expanding_widgets_size = ( rem ) / ( expanding_widgets - index );
widget_move ( child, widget_padding_get_left ( WIDGET ( b ) ), top );
top += expanding_widgets_size;
widget_resize ( child, rem_width, expanding_widgets_size );
top += spacing;
rem -= expanding_widgets_size;
index++;
}
else {
widget_move ( child, widget_padding_get_left ( WIDGET ( b ) ), top );
top += widget_get_height ( child );
top += spacing;
}
}
}
b->max_size += widget_padding_get_padding_height ( WIDGET ( b ) );
}