Author: ilor
Date: Sun Aug 10 22:33:36 2008
New Revision: 28448
URL: http://svn.gna.org/viewcvs/wesnoth?rev=28448&view=rev
Log:
add redraw observers functionality in display: allow void (display&) callbacks
to be placed in a display object that will be called on each redraw_everything
call
Modified:
trunk/src/display.cpp
trunk/src/display.hpp
Modified: trunk/src/display.cpp
URL:
http://svn.gna.org/viewcvs/wesnoth/trunk/src/display.cpp?rev=28448&r1=28447&r2=28448&view=diff
==============================================================================
--- trunk/src/display.cpp (original)
+++ trunk/src/display.cpp Sun Aug 10 22:33:36 2008
@@ -119,7 +119,8 @@
fps_handle_(0),
idle_anim_(preferences::idle_anim()),
idle_anim_rate_(1.0),
- map_screenshot_surf_(NULL)
+ map_screenshot_surf_(NULL),
+ redraw_observers_()
{
if(non_interactive()
&& (get_video_surface() != NULL
@@ -1788,6 +1789,20 @@
draw(true,true);
int ticks3 = SDL_GetTicks();
INFO_DP << "invalidate and draw: " << (ticks3 - ticks2) << " and " <<
(ticks2 - ticks1) << "\n";
+
+ foreach (boost::function<void(display&)> f, redraw_observers_) {
+ f(*this);
+ }
+}
+
+void display::add_redraw_observer(boost::function<void(display&)> f)
+{
+ redraw_observers_.push_back(f);
+}
+
+void display::clear_redraw_observers()
+{
+ redraw_observers_.clear();
}
void display::draw(bool update,bool force) {
Modified: trunk/src/display.hpp
URL:
http://svn.gna.org/viewcvs/wesnoth/trunk/src/display.hpp?rev=28448&r1=28447&r2=28448&view=diff
==============================================================================
--- trunk/src/display.hpp (original)
+++ trunk/src/display.hpp Sun Aug 10 22:33:36 2008
@@ -57,6 +57,8 @@
#include <set>
#include <string>
+#include <boost/function.hpp>
+
class display
{
@@ -224,8 +226,14 @@
/** Save a (map-)screenshot and return the estimated file size */
int screenshot(std::string filename, bool map_screenshot = false);
- /** Invalidates entire screen, including all tiles and sidebar. */
+ /** Invalidates entire screen, including all tiles and sidebar. Calls
redraw observers. */
void redraw_everything();
+
+ /** Adds a redraw observer, a function object to be called when
redraw_everything is used */
+ void add_redraw_observer(boost::function<void(display&)> f);
+
+ /** Clear the redraw observers */
+ void clear_redraw_observers();
theme& get_theme() { return theme_; }
gui::button* find_button(const std::string& id);
@@ -761,6 +769,8 @@
double idle_anim_rate_;
surface map_screenshot_surf_;
+
+ std::vector<boost::function<void(display&)> > redraw_observers_;
};
#endif
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