better property examples

example_viewer.c

@@ -148,7 +148,10 @@ void ui_Operator(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laC
     laShowLabel(uil,c,"\n\
 Operator demonstration program\n\
 ------------------------------\n\
-    Press the \"Something!\" Button to invoke a one-time operator, you can see some strings printed on stdout and LaGUI Terminal.\n\
+    1) Press the \"Something!\" Button to invoke a one-time operator, you can see some strings printed on stdout and LaGUI Terminal.\n\
+    2) Press the \"Modal!\" Button to invoke a modal operator, the operator would keep printing out pointer coordinates as you move the mouse\
+while the user interface is kept from getting input events.\n\
+    3) Use right mouse button to exit the modal operator.\n\
     Use 🞆->Terminal to show LaGUI Terminal.",0,0)->Flags|=LA_TEXT_LINE_WRAP|LA_TEXT_MONO;
 
     EXAMPLE_COMMON_END
@@ -168,6 +171,7 @@ Play with this demo:\n\
     2) You can right click them for extra opeartions.\n\
     3) Create a new \"Properties\" panel from the 🞆 button, \
 verify that adjustiing values in either panels would cause the other panel to refresh in sync.\n\
+    4) Test invoking a operator from property.\n\
     ",0,0)->Flags|=LA_TEXT_LINE_WRAP|LA_TEXT_MONO;
 
     EXAMPLE_COMMON_END

simple_properties.c

@@ -33,6 +33,18 @@ void* myget_Stats(void* unused, void* unused1){
     return &Stats;
 }
 
+int INV_ShowMyStats(laOperator* a, laEvent* e){
+    My* stats=a->This?a->This->EndInstance:0;
+    if(!stats){
+        printf("Operator not invoked from property.\n");
+        return LA_FINISHED;
+    }
+    char* name=(stats->Name&&stats->Name->Ptr)?stats->Name->Ptr:"";
+    printf("Hi! My name is %s and I'm %d years old :D\n",name,stats->Age);
+    logPrint("Hi! My name is %s and I'm %d years old :D\n",name,stats->Age);
+    return LA_FINISHED;
+}
+
 void MyProperties(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, laColumn *UNUSED, int context){
     laColumn* c=laFirstColumn(uil);
     laShowLabel(uil,c,"Hello world!",0,0);
@@ -40,6 +52,11 @@ void MyProperties(laUiList *uil, laPropPack *This, laPropPack *DetachedProps, la
     laShowItem(uil,c,0,"me.age");
     laShowItem(uil,c,0,"me.height");
     laShowItem(uil,c,0,"me.gender");
+    laShowLabel(uil,c," ",0,0);
+
+    laUiItem* collection=laShowItem(uil,c,0,"me");
+    laShowItem(uil,c,&collection->PP,"show");
+    laShowItem(uil,c,0,"MY_show_my_stats");
 }
 
 int main(int argc, char *argv[]){
@@ -50,6 +67,8 @@ int main(int argc, char *argv[]){
     Stats.Height=1.76;
     strSafeSet(&Stats.Name,"ChengduLittleA");
 
+    laCreateOperatorType("MY_show_my_stats", "Show Stats!", "Shoy my stats!",0,0,0,INV_ShowMyStats,0,0,0);
+
     laPropContainer* root=laDefineRoot();
     laAddSubGroup(root,"me","Me","Me root", "my", 0,0,0,0,myget_Stats,0,0,0,0,0,0,0);
 
@@ -60,6 +79,7 @@ int main(int argc, char *argv[]){
     laProp* ep=laAddEnumProperty(my, "gender","Gender","My gender",0,0,0,0,0,offsetof(My,Gender),0,0,0,0,0,0,0,0,0,0);
     laAddEnumItemAs(ep,"MALE","Male","Gender being male",0,L'♂');
     laAddEnumItemAs(ep,"FEMALE","female","Gender being female",1,L'♀');
+    laAddOperatorProperty(my, "show", "Show Stats with *This","Show stats called from \"my\" container","MY_show_my_stats",0,0);
 
     laRegisterUiTemplate("my_properties","Properties", MyProperties,0,0,"Demonstration", 0,0,0);