lagui_demos/simple_properties.c

/*
* Part of LaGUI demonstration programs
* Copyright (C) 2022-2023 Wu Yiming
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "la_5.h"
extern LA MAIN;

typedef struct My{
    int           _pad;
    laSafeString* Name;
    int           Age;
    int           Gender;
    real          Height;
} My;

My Stats;

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);
    laShowItem(uil,c,0,"me.name");
    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[]){
    laGetReady();

    Stats.Age=25;
    Stats.Gender=0;
    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);

    laPropContainer* my=laAddPropertyContainer("my", "My", "Struct My",0,0,0,0,0,LA_PROP_OTHER_ALLOC);
    laAddStringProperty(my, "name", "Name", "My name",0,0,0,0,1,offsetof(My,Name),0,0,0,0,0);
    laAddIntProperty(my, "age", "Age", "My age",0,0,"years old",100,0,1,25,0,offsetof(My,Age),0,0,0,0,0,0,0,0,0,0,0);
    laAddFloatProperty(my, "height", "Height", "My height",0,0,"cm",2,0.3,0.01,1.76,0,offsetof(My,Height),0,0,0,0,0,0,0,0,0,0,0);
    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);

    // Uncomment this to load preferences.
    // laEnsureUserPreferences();

    if(!MAIN.Windows.pFirst){
        laWindow* w = laDesignWindow(-1,-1,600,600);
        laLayout* l = laDesignLayout(w,"My Layout");
        laCreatePanel(l->FirstBlock,"my_properties");
        laStartWindow(w);
    }
    laMainLoop();
}