本文整理汇总了C++中display::invalidate_all方法的典型用法代码示例。如果您正苦于以下问题：C++ display::invalidate_all方法的具体用法？C++ display::invalidate_all怎么用？C++ display::invalidate_all使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类display的用法示例。
在下文中一共展示了display::invalidate_all方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: show_help
/**
* Open a help dialog using a toplevel other than the default.
*
* This allows for complete customization of the contents, although not in a
* very easy way.
*/
void show_help(display &disp, const section &toplevel_sec,
const std::string& show_topic,
int xloc, int yloc)
{
const events::event_context dialog_events_context;
const gui::dialog_manager manager;
const resize_lock prevent_resizing;
CVideo& screen = disp.video();
const surface& scr = screen.getSurface();
const int width = std::min<int>(font::relative_size(1000), scr->w - font::relative_size(20));
const int height = std::min<int>(font::relative_size(800), scr->h - font::relative_size(150));
const int left_padding = font::relative_size(10);
const int right_padding = font::relative_size(10);
const int top_padding = font::relative_size(10);
const int bot_padding = font::relative_size(10);
// If not both locations were supplied, put the dialog in the middle
// of the screen.
if (yloc <= -1 || xloc <= -1) {
xloc = scr->w / 2 - width / 2;
yloc = scr->h / 2 - height / 2;
}
std::vector<gui::button*> buttons_ptr;
gui::button close_button_(disp.video(), _("Close"));
buttons_ptr.push_back(&close_button_);
gui::dialog_frame f(disp.video(), _("The Battle for Wesnoth Help"), gui::dialog_frame::default_style,
true, &buttons_ptr);
f.layout(xloc, yloc, width, height);
f.draw();
// Find all unit_types that have not been constructed yet and fill in the information
// needed to create the help topics
unit_types.build_all(unit_type::HELP_INDEXED);
if (preferences::encountered_units().size() != size_t(last_num_encountered_units) ||
preferences::encountered_terrains().size() != size_t(last_num_encountered_terrains) ||
last_debug_state != game_config::debug ||
last_num_encountered_units < 0) {
// More units or terrains encountered, update the contents.
last_num_encountered_units = preferences::encountered_units().size();
last_num_encountered_terrains = preferences::encountered_terrains().size();
last_debug_state = game_config::debug;
generate_contents();
}
try {
help_browser hb(disp, toplevel_sec);
hb.set_location(xloc + left_padding, yloc + top_padding);
hb.set_width(width - left_padding - right_padding);
hb.set_height(height - top_padding - bot_padding);
if (show_topic != "") {
hb.show_topic(show_topic);
}
else {
hb.show_topic(default_show_topic);
}
hb.set_dirty(true);
events::raise_draw_event();
disp.flip();
disp.invalidate_all();
CKey key;
for (;;) {
events::pump();
events::raise_process_event();
events::raise_draw_event();
if (key[SDLK_ESCAPE]) {
// Escape quits from the dialog.
return;
}
for (std::vector<gui::button*>::iterator button_it = buttons_ptr.begin();
button_it != buttons_ptr.end(); ++button_it) {
if ((*button_it)->pressed()) {
// There is only one button, close.
return;
}
}
disp.flip();
disp.delay(10);
}
}
catch (parse_error& e) {
std::stringstream msg;
msg << _("Parse error when parsing help text: ") << "'" << e.message << "'";
gui2::show_transient_message(disp.video(), "", msg.str());
}
}