RECT_T GMsgBox::GetButtonRect(void)
{
RECT_T brect;
POINT_T bs = get_border_size();
int distance = 4*font->hdistance + 2*bs.x;
for(unsigned char mask =1, i=0; mask < MBF_LAST_BTN; mask <<=1, i++)
{
if(type & mask)
brect.x1 += (strlen(MB_IDS[i]) * font->hspacing) + distance;
}
brect.y1 = font->vspacing + 2*font->vdistance + 2*bs.y;
brect.Deflate(0, 2);
brect.Offset(client_rect.x0, client_rect.y1 - brect.y1);
return brect;
}
static void
gtk_numerable_icon_ensure_emblem (GtkNumerableIcon *self)
{
cairo_t *cr;
cairo_surface_t *surface;
PangoLayout *layout;
GEmblem *emblem;
gint width, height;
gdouble scale;
PangoAttrList *attr_list;
PangoAttribute *attr;
GdkPixbuf *pixbuf;
/* don't draw anything if the count is zero */
if (self->priv->rendered_string == NULL)
{
g_emblemed_icon_clear_emblems (G_EMBLEMED_ICON (self));
return;
}
surface = get_image_surface (self);
cr = cairo_create (surface);
layout = get_pango_layout (self);
pango_layout_get_pixel_size (layout, &width, &height);
/* scale the layout to be 0.75 of the size still available for drawing */
scale = ((get_surface_size (surface) - 2 * get_border_size (self)) * 0.75) / (MAX (height, width));
attr_list = pango_attr_list_new ();
attr = pango_attr_scale_new (scale);
pango_attr_list_insert (attr_list, attr);
attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
pango_attr_list_insert (attr_list, attr);
pango_layout_set_attributes (layout, attr_list);
/* update these values */
pango_layout_get_pixel_size (layout, &width, &height);
/* move to the center */
cairo_move_to (cr,
get_surface_size (surface) / 2. - (gdouble) width / 2.,
get_surface_size (surface) / 2. - (gdouble) height / 2.);
gdk_cairo_set_source_rgba (cr, self->priv->foreground);
pango_cairo_show_layout (cr, layout);
cairo_destroy (cr);
pixbuf =
gdk_pixbuf_get_from_surface (surface, 0, 0,
get_surface_size (surface), get_surface_size (surface));
emblem = g_emblem_new (G_ICON (pixbuf));
g_emblemed_icon_clear_emblems (G_EMBLEMED_ICON (self));
g_emblemed_icon_add_emblem (G_EMBLEMED_ICON (self), emblem);
g_object_unref (layout);
g_object_unref (emblem);
g_object_unref (pixbuf);
cairo_surface_destroy (surface);
pango_attr_list_unref (attr_list);
}
unsigned int GMsgBox::initialize (GMessage& msg)
{
LCD_MODULE* lcd = ((LCD_MODULE **)msg.lparam)[0];
id = ID_MB_DLG;
rect = lcd->rect;
flags = GO_FLG_BORDER|GO_FLG_ENABLED|GO_FLG_SHOW|GO_FLG_SELECTED;
RECT_T button_rect;
RECT_T title_rect;
RECT_T message_rect;
int bnum =0;
for(int mask = 1; type && mask < MBF_LAST_BTN; mask <<=1)
if(type & mask)
bnum++;
if(body.empty() && !init_size.as_int )
{
for(int i=0; i < lcd->chars_per_row/2; i++)
body += '.';
type |= MBF_CLR;
}
POINT_T bs = get_border_size();
text_metrics_t msg_size;
int x_offset, y_offset;
while(1)
{
allocate_border();
if(bnum)
button_rect = GetButtonRect();
title_rect = GetTitleRect();
message_rect =client_rect;
message_rect.y0 += title_rect.height()+1; // title to message spacing 1 dot
message_rect.y1 -= (button_rect.height())?(button_rect.height()):1; // message to buttons spacing 1 dot
int width=0;
int dec = message_rect.width();
if(type & MBF_EDIT)
dec -= 2*bs.x;
if(init_size.as_int)
msg_size.as_int = init_size.as_int;
else
msg_size = get_text_metrics(body.c_str(), dec, font);
if(msg_size.height + font->vspacing < message_rect.height())
{
rect.y1 -= message_rect.height() - (msg_size.height + font->vspacing);
continue;
}
else
{
if(message_rect.height() < msg_size.height)
{
flags |= GO_FLG_VSCROLL;
x_offset = message_rect.height();
if(client_rect.height() > msg_size.height)
message_rect.y1 = message_rect.y0 + msg_size.height;
else
message_rect.y1 = message_rect.y0 + client_rect.height();// +client_rect.y1;
x_offset = message_rect.height() - x_offset;
if(button_rect)
{
button_rect.Offset(0, x_offset);
}
}
}
if(dec > msg_size.width + 3*font->hdistance)
{
message_rect.x1 -= dec - msg_size.width - 3*font->hdistance;
text_metrics_t new_msg_size;
new_msg_size = get_text_metrics(body.c_str(), message_rect.width(), font);
while(new_msg_size.height != msg_size.height )
{
message_rect.x1 += 3*font->hdistance;
new_msg_size = get_text_metrics(body.c_str(), message_rect.width(), font);
}
}
width = message_rect.width();
if( title_rect.width() > width)
width = title_rect.width();
if(button_rect.width() + bnum * bs.x > width)
width = button_rect.width() + bnum * bs.x ;
if(client_rect.width() > width)
{
rect.x1 -= client_rect.width() - width;
continue;
}
break;
}
if(type & MBF_CLR)
body.clear();
x_offset = (lcd->rect.width() - rect.width())/2;
y_offset = (lcd->rect.height() - rect.height())/2;
rect.Offset(x_offset, y_offset);
client_rect.Offset(x_offset, y_offset);
button_rect.Offset(x_offset, y_offset);
if(title_rect)
{
title_rect.x0 = rect.x0;
title_rect.x1 = rect.x1;
title_rect.Offset(0, y_offset);
GFlags flg = GO_FLG_SHOW|GO_FLG_TRANSPARENT;
if(message_rect.height() >= client_rect.height())
flg |= GO_FLG_ENABLED;
title_box = new GTitle( ID_MB_TITLE, title_rect, title, nullptr,
flg, SS_CENTER|SS_TOP);
addChild(title_box);
}
if(message_rect.width() < client_rect.width())
x_offset += (client_rect.width() - message_rect.width())/2;
message_rect.Offset(x_offset, y_offset);
if(type & MBF_EDIT)
{
edit_box = new GEdit(ID_MB_TEXT_BOX, message_rect, body, nullptr,
((bnum)?0:GO_FLG_SELECTED)|
GO_FLG_BORDER|GO_FLG_VSCROLL|GO_FLG_TRANSPARENT|GO_FLG_DEFAULT,
GET_MBF_EDIT_FLAGS(type),
font);
if(addChild(edit_box))
{
edit_box->shift = GET_MBF_INPUT_TYPE(type);
text_box = edit_box;
}
}
else
{
text_box = new GText(ID_MB_TEXT_BOX, message_rect, body, nullptr,
GO_FLG_VSCROLL|GO_FLG_TRANSPARENT|GO_FLG_SHOW,SS_DEFAULT,font);
if(addChild( text_box ))
{
if(message_rect.height() < msg_size.height)
text_box->flags |= GO_FLG_ENABLED;
}
}
int bdistance = client_rect.width();
if ( bnum )
{
if(bdistance > button_rect.width())
{
bdistance -= button_rect.width();
bdistance /= bnum+1;
}
else
bdistance = 0;
int distance = 4*font->hdistance + 2*bs.x;
button_rect.Inflate(0,2);
button_rect.Offset(0,1);
for(unsigned char mask =1, i=0; mask < MBF_LAST_BTN; mask <<=1, i++)
{
if(type & mask)
{
if(!default_button)
default_button = mask;
button_rect.x0 += bdistance;
button_rect.x1 = button_rect.x0 + (strlen(MB_IDS[i]) * font->hspacing) + distance;
addChild(new GButton(mask/*ret_codes[i]*/, button_rect, ret_codes[i], MB_IDS[i],
GO_FLG_DEFAULT|GO_FLG_BORDER|GO_FLG_TRANSPARENT|
((default_button&mask)?GO_FLG_SELECTED:0 )));
button_rect.x0 += button_rect.width();
}
}
}
weak_gui_message_beep(GET_MBF_BEEP_TYPE(type));
return GDialog::initialize(msg);
}