\hypertarget{edje-perspective_8c-example}{}\section{edje-\/perspective.\+c}

\begin{DoxyCodeInclude}

\textcolor{preprocessor}{#ifdef HAVE\_CONFIG\_H}
\textcolor{preprocessor}{# include "config.h"}
\textcolor{preprocessor}{#else}
\textcolor{preprocessor}{# define EINA\_UNUSED}
\textcolor{preprocessor}{#endif}

\textcolor{preprocessor}{#ifndef PACKAGE\_DATA\_DIR}
\textcolor{preprocessor}{#define PACKAGE\_DATA\_DIR "."}
\textcolor{preprocessor}{#endif}

\textcolor{preprocessor}{#include <Ecore.h>}
\textcolor{preprocessor}{#include <\hyperlink{Ecore__Evas_8h}{Ecore\_Evas.h}>}
\textcolor{preprocessor}{#include <\hyperlink{Edje_8h}{Edje.h}>}

\textcolor{preprocessor}{#define WIDTH  480}
\textcolor{preprocessor}{#define HEIGHT 320}

\textcolor{keyword}{static} \textcolor{keyword}{const} \textcolor{keywordtype}{char} commands[] = \(\backslash\)
  \textcolor{stringliteral}{"commands are:\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)tDown - move part down\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)tUp -  move part up\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)tLeft - move part left\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)tRight - move part right\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)tPrior - move part up-left\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)tNext - move part down-right\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)tInsert - increase focal\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)tSuppr - decrease focal\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)tEsc - exit\(\backslash\)n"}
  \textcolor{stringliteral}{"\(\backslash\)th - print help\(\backslash\)n"};

\textcolor{keyword}{struct }\_App \{
    \hyperlink{group__Evas__Object__Group_ga9e19e6dd1f517a0ba437c0114d3e7c97}{Evas\_Object} *edje\_obj;
    \hyperlink{group__Evas__Object__Group_ga9e19e6dd1f517a0ba437c0114d3e7c97}{Evas\_Object} *bg;
    \hyperlink{group__Edje_gaa34f2bebed885cea3d891858ad7c2e2b}{Edje\_Perspective} *ps;
    \hyperlink{group__Eina__Types__Group_ga3fe0caf72e93b1bab1ca8ee3ccf3f226}{Eina\_Bool} animating;
    \textcolor{keywordtype}{int} x, y; \textcolor{comment}{// relative position of part in the screen}
    \textcolor{keywordtype}{int} focal;
\};

\textcolor{keyword}{static} \textcolor{keywordtype}{void}
\_on\_destroy(Ecore\_Evas *ee \hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED})
\{
   \hyperlink{group__Ecore__Main__Loop__Group_ga95cf8e97dff0716433c2c5474d606a98}{ecore\_main\_loop\_quit}();
\}

\textcolor{comment}{/* here just to keep our example's window size and background image's}
\textcolor{comment}{ * size in synchrony */}
\textcolor{keyword}{static} \textcolor{keywordtype}{void}
\_on\_canvas\_resize(Ecore\_Evas *ee)
\{
   \textcolor{keywordtype}{int} w, h;
   \textcolor{keyword}{struct }\_App *app = \hyperlink{group__Ecore__Evas__Group_gae00d4a4feb8aec5de03e464fe21a1d30}{ecore\_evas\_data\_get}(ee, \textcolor{stringliteral}{"app"});

   \hyperlink{group__Ecore__Evas__Group_ga931aadf4603731e73e8a84e4b14f1493}{ecore\_evas\_geometry\_get}(ee, NULL, NULL, &w, &h);
   \hyperlink{group__Evas__Font__Group_ga21e8604c0e4a93e469bff4bd069e82b5}{evas\_object\_resize}(app->bg, w, h);
   \hyperlink{group__Evas__Font__Group_ga21e8604c0e4a93e469bff4bd069e82b5}{evas\_object\_resize}(app->edje\_obj, w, h);
\}

\textcolor{keyword}{static} \textcolor{keywordtype}{void}
\_part\_move(\textcolor{keyword}{struct} \_App *app, \textcolor{keywordtype}{int} dx, \textcolor{keywordtype}{int} dy)
\{
   \textcolor{keywordtype}{char} emission[64];

   \textcolor{keywordflow}{if} (app->animating)
     \textcolor{keywordflow}{return};

   app->x += dx;
   app->y += dy;
   \textcolor{keywordflow}{if} (app->x > 1)
     app->x = 1;
   \textcolor{keywordflow}{if} (app->x < 0)
     app->x = 0;
   \textcolor{keywordflow}{if} (app->y > 1)
     app->y = 1;
   \textcolor{keywordflow}{if} (app->y < 0)
     app->y = 0;

   snprintf(emission, \textcolor{keyword}{sizeof}(emission), \textcolor{stringliteral}{"move,%d,%d"}, app->x, app->y);
   edje\_object\_signal\_emit(app->edje\_obj, emission, \textcolor{stringliteral}{""});
   app->animating = \hyperlink{group__Eina__Types__Group_ga05c12dacc8b4058994df842b41be85fc}{EINA\_TRUE};
\}


\textcolor{keyword}{static} \textcolor{keywordtype}{void}
\_on\_bg\_key\_down(\textcolor{keywordtype}{void} *data, \hyperlink{group__Evas__Canvas_ga5ff87cc4ce6bc43e3b640a6d37f73043}{Evas} *e \hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED}, \hyperlink{group__Evas__Object__Group_ga9e19e6dd1f517a0ba437c0114d3e7c97}{Evas\_Object} *o 
      \hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED}, \textcolor{keywordtype}{void} *event\_info)
\{
   \textcolor{keyword}{struct }\_App *app = data;
   \hyperlink{struct__Evas__Event__Key__Down}{Evas\_Event\_Key\_Down} *ev = event\_info;

   \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"h"}))
     \{
        fprintf(stdout, commands);
        \textcolor{keywordflow}{return};
     \}
   \textcolor{comment}{// just moving the part and text}
   \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"Down"}))
     \{
        \_part\_move(app, 0, 1);
     \}
   \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"Up"}))
     \{
        \_part\_move(app, 0, -1);
     \}
   \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"Left"}))
     \{
        \_part\_move(app, -1, 0);
     \}
   \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"Right"}))
     \{
        \_part\_move(app, 1, 0);
     \}
   \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"Prior"}))
     \{
        \_part\_move(app, -1, -1);
     \}
   \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"Next"}))
     \{
        \_part\_move(app, 1, 1);
     \}
   \textcolor{comment}{// adjusting the perspective focal point distance}
   \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"KP\_Add"}))
     \{
        app->focal += 5;
        \hyperlink{group__Edje__Perspective_gaeee5dfe8b3f428583e4f8a846f0b0d15}{edje\_perspective\_set}(app->ps, 240, 160, 0, app->focal);
        edje\_object\_calc\_force(app->edje\_obj);
     \}
   \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"KP\_Subtract"}))
     \{
        app->focal -= 5;
        \textcolor{keywordflow}{if} (app->focal < 5)
          app->focal = 5;

        \hyperlink{group__Edje__Perspective_gaeee5dfe8b3f428583e4f8a846f0b0d15}{edje\_perspective\_set}(app->ps, 240, 160, 0, app->focal);
        edje\_object\_calc\_force(app->edje\_obj);
     \}
   \textcolor{comment}{// exiting}
   \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (!strcmp(ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key}, \textcolor{stringliteral}{"Escape"}))
     \hyperlink{group__Ecore__Main__Loop__Group_ga95cf8e97dff0716433c2c5474d606a98}{ecore\_main\_loop\_quit}();
   \textcolor{keywordflow}{else}
     \{
        printf(\textcolor{stringliteral}{"unhandled key: %s\(\backslash\)n"}, ev->\hyperlink{struct__Evas__Event__Key__Down_a70473bba88a1afaee180a54150513824}{key});
        fprintf(stdout, commands);
     \}
\}

\textcolor{keyword}{static} \textcolor{keywordtype}{void}
\_animation\_end\_cb(\textcolor{keywordtype}{void} *data, \hyperlink{group__Evas__Object__Group_ga9e19e6dd1f517a0ba437c0114d3e7c97}{Evas\_Object} *o \hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED}, \textcolor{keyword}{const} \textcolor{keywordtype}{char} *emission 
      \hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED}, \textcolor{keyword}{const} \textcolor{keywordtype}{char} *source \hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED})
\{
   \textcolor{keyword}{struct }\_App *app = data;

   app->animating = \hyperlink{group__Eina__Types__Group_ga1feb115f8e9913e806e090d9bd5a7301}{EINA\_FALSE};
\}

\textcolor{keywordtype}{int}
main(\textcolor{keywordtype}{int} argc \hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED}, \textcolor{keywordtype}{char} *argv[] \hyperlink{group__Eina__Types__Group_ga82d751be730f849719ca292f9558be87}{EINA\_UNUSED})
\{
   \textcolor{keyword}{const} \textcolor{keywordtype}{char}  *edje\_file = PACKAGE\_DATA\_DIR\textcolor{stringliteral}{"/perspective.edj"};
   \textcolor{keyword}{struct }\_App  app;
   Ecore\_Evas  *ee;
   \hyperlink{group__Evas__Canvas_ga5ff87cc4ce6bc43e3b640a6d37f73043}{Evas}        *\hyperlink{namespaceevas}{evas};

   \textcolor{keywordflow}{if} (!\hyperlink{group__Ecore__Evas__Group_ga32ddbb6457033ad435a177eb0c4fe235}{ecore\_evas\_init}())
     \textcolor{keywordflow}{return} EXIT\_FAILURE;

   \textcolor{keywordflow}{if} (!\hyperlink{group__Edje__General__Group_ga1c9c6594f38023c29fbfb2d0c8c675db}{edje\_init}())
     \textcolor{keywordflow}{goto} shutdown\_ecore\_evas;

   \hyperlink{group__Edje__Object__Animation_gac9b19ee918546740c0144904393a1acd}{edje\_frametime\_set}(1.0 / 60.0);

   \textcolor{comment}{/* this will give you a window with an Evas canvas under the first}
\textcolor{comment}{    * engine available */}
   app.animating = \hyperlink{group__Eina__Types__Group_ga1feb115f8e9913e806e090d9bd5a7301}{EINA\_FALSE};
   app.x = 0;
   app.y = 0;
   app.focal = 50;

   ee = \hyperlink{group__Ecore__Evas__Group_gac7f2cdbcb79635c34317c1183dd04cb0}{ecore\_evas\_new}(NULL, 0, 0, WIDTH, HEIGHT, NULL);
   \textcolor{keywordflow}{if} (!ee) \textcolor{keywordflow}{goto} shutdown\_edje;

   \hyperlink{group__Ecore__Evas__Group_ga3680b5c89157167318192157a5d24ec4}{ecore\_evas\_callback\_destroy\_set}(ee, \_on\_destroy);
   \hyperlink{group__Ecore__Evas__Group_gaac67f679c9027059a34519fbdea360df}{ecore\_evas\_callback\_resize\_set}(ee, \_on\_canvas\_resize);
   \hyperlink{group__Ecore__Evas__Group_ga3b2832e0373bbafae2bb7143618535c1}{ecore\_evas\_title\_set}(ee, \textcolor{stringliteral}{"Edje Box Example"});

   \hyperlink{group__Ecore__Evas__Group_gaa86c5abd200a02711aced53d27b9ddb2}{ecore\_evas\_data\_set}(ee, \textcolor{stringliteral}{"app"}, &app);

   evas = \hyperlink{group__Ecore__Evas__Group_ga75a7cc694b6069e78df47dab0b0f2d20}{ecore\_evas\_get}(ee);

   app.bg = \hyperlink{group__Evas__Object__Rectangle_ga4d80fc32ad1cac28428cebd65d746751}{evas\_object\_rectangle\_add}(evas);
   \hyperlink{group__Evas__Object__Group__Basic_gae34bdcfd7f5100151f6ea8ef4a392949}{evas\_object\_color\_set}(app.bg, 255, 255, 255, 255);
   \hyperlink{group__Evas__Font__Group_ga21e8604c0e4a93e469bff4bd069e82b5}{evas\_object\_resize}(app.bg, WIDTH, HEIGHT);
   evas\_object\_focus\_set(app.bg, \hyperlink{group__Eina__Types__Group_ga05c12dacc8b4058994df842b41be85fc}{EINA\_TRUE});
   \hyperlink{group__Evas__Object__Group__Basic_ga9cbc13661584e49fb9d9cdab514a1eeb}{evas\_object\_show}(app.bg);

   \hyperlink{group__Evas__Object__Group__Events_ga23be30ac5cdfb780f1ff82e9108ec26b}{evas\_object\_event\_callback\_add}(app.bg, 
      \hyperlink{group__Evas_ggad64cde0da38a60e7cb7905b3ab216968a336b86bad4f145f84c155e4922335584}{EVAS\_CALLBACK\_KEY\_DOWN}, \_on\_bg\_key\_down, &app);

   app.edje\_obj = edje\_object\_add(evas);

   edje\_object\_file\_set(app.edje\_obj, edje\_file, \textcolor{stringliteral}{"example/group"});
   \hyperlink{group__Evas__Font__Group_ga02da8091bbac768b8e86c7b74b2a94f9}{evas\_object\_move}(app.edje\_obj, 0, 0);
   \hyperlink{group__Evas__Font__Group_ga21e8604c0e4a93e469bff4bd069e82b5}{evas\_object\_resize}(app.edje\_obj, WIDTH, HEIGHT);
   \hyperlink{group__Evas__Object__Group__Basic_ga9cbc13661584e49fb9d9cdab514a1eeb}{evas\_object\_show}(app.edje\_obj);

   edje\_object\_signal\_callback\_add(app.edje\_obj, \textcolor{stringliteral}{"animation,end"}, \textcolor{stringliteral}{""}, \_animation\_end\_cb, &app);

   app.ps = \hyperlink{group__Edje__Perspective_ga4ce415ab5a9f53ba55d921ab5c48a2f4}{edje\_perspective\_new}(evas);
   \hyperlink{group__Edje__Perspective_gaeee5dfe8b3f428583e4f8a846f0b0d15}{edje\_perspective\_set}(app.ps, 240, 160, 0, app.focal);
   \hyperlink{group__Edje__Perspective_ga9e560272fb6b954a9e99eaad72a6755f}{edje\_perspective\_global\_set}(app.ps, \hyperlink{group__Eina__Types__Group_ga05c12dacc8b4058994df842b41be85fc}{EINA\_TRUE});

   fprintf(stdout, commands);

   \hyperlink{group__Ecore__Evas__Group_ga4953047ff97d4f1b0d75a7d513d4f317}{ecore\_evas\_show}(ee);

   \hyperlink{group__Ecore__Main__Loop__Group_gaf103b9f668bb3e4fed12e52c6180132d}{ecore\_main\_loop\_begin}();

   \hyperlink{group__Ecore__Evas__Group_gad3ec61f2aa03df4d3dbfd0d311e0c8dc}{ecore\_evas\_free}(ee);
   \hyperlink{group__Ecore__Evas__Group_gab8fa311077f749190c9b622f672b2214}{ecore\_evas\_shutdown}();
   \hyperlink{group__Edje__General__Group_ga01041f6702f2d81bf10c3e41899805cb}{edje\_shutdown}();

   \textcolor{keywordflow}{return} EXIT\_SUCCESS;

 shutdown\_edje:
   \hyperlink{group__Edje__General__Group_ga01041f6702f2d81bf10c3e41899805cb}{edje\_shutdown}();
 shutdown\_ecore\_evas:
   \hyperlink{group__Ecore__Evas__Group_gab8fa311077f749190c9b622f672b2214}{ecore\_evas\_shutdown}();

   \textcolor{keywordflow}{return} EXIT\_FAILURE;
\}
\end{DoxyCodeInclude}
 