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-rw-r--r--lib/engine.cc22
1 files changed, 18 insertions, 4 deletions
diff --git a/lib/engine.cc b/lib/engine.cc
index 6792706..40426c1 100644
--- a/lib/engine.cc
+++ b/lib/engine.cc
@@ -10,7 +10,7 @@
bool mogltk::engine::inited = false, mogltk::engine::postsetuped = false;
bool mogltk::engine::appactive = false, mogltk::engine::cursorvisible = false, mogltk::engine::quitrequest = false;
-int mogltk::engine::mx, mogltk::engine::my, mogltk::engine::mbuttons;
+int mogltk::engine::mx, mogltk::engine::my, mogltk::engine::mz = 0, mogltk::engine::mbuttons;
int mogltk::engine::frames, mogltk::engine::locked = 0;
double mogltk::engine::curfps = -1;
Uint32 mogltk::engine::curticks;
@@ -133,7 +133,7 @@ SDL_RWops * mogltk::engine::RWFromHandle(Handle * h) throw (GeneralException) {
return r;
}
-void mogltk::engine::pollevents() {
+void mogltk::engine::pollevents() throw (GeneralException) {
SDL_Event event;
bool hastoreturn = appactive;
@@ -158,7 +158,9 @@ void mogltk::engine::pollevents() {
updatemouse();
return;
}
- SDL_WaitEvent(&event);
+ if (!SDL_WaitEvent(&event)) {
+ throw GeneralException("Error polling for SDL Event");
+ }
switch(event.type) {
case SDL_ACTIVEEVENT:
switch (event.active.state) {
@@ -205,7 +207,15 @@ void mogltk::engine::pollevents() {
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
- printm(M_INFO, String("Mouse button %02x ") + (event.button.state == SDL_PRESSED ? "pressed" : "released") + " at (%i, %i)\n", event.button.button, event.button.x, event.button.y);
+ printm(M_INFO, String().set("Mouse button %02x ", event.button.button) + String((event.button.state == SDL_PRESSED ? "pressed" : "released")) + " at (" + event.button.x + ", " + event.button.y + ")\n");
+ if (event.button.state == SDL_PRESSED) {
+ if (event.button.button == 4) {
+ mz--;
+ }
+ if (event.button.button == 5) {
+ mz++;
+ }
+ }
break;
case SDL_QUIT:
printm(M_INFO, "Quit requested\n");
@@ -254,6 +264,10 @@ int mogltk::engine::mouseY() {
return my;
}
+int mogltk::engine::mouseZ() {
+ return mz;
+}
+
int mogltk::engine::mousebuttons() {
return mbuttons;
}