And actually include new files, plus elementary libraries.

1 files changed, 462 insertions, 0 deletions

diff --git a/libraries/elementary/src/lib/elm_glview.c b/libraries/elementary/src/lib/elm_glview.c
new file mode 100644
index 0000000..339f23f
--- /dev/null
+++ b/libraries/elementary/src/lib/elm_glview.c
@@ -0,0 +1,462 @@
+#include <Elementary.h>
+#include "elm_priv.h"
+
+typedef struct _Widget_Data Widget_Data;
+
+struct _Widget_Data
+{
+   Evas_Object              *glview_image;
+
+   Elm_GLView_Mode           mode;
+   Elm_GLView_Resize_Policy  scale_policy;
+   Elm_GLView_Render_Policy  render_policy;
+
+   Evas_GL                  *evasgl;
+   Evas_GL_Config           *config;
+   Evas_GL_Surface          *surface;
+   Evas_GL_Context          *context;
+
+   Evas_Coord                w, h;
+
+   Elm_GLView_Func_Cb        init_func;
+   Elm_GLView_Func_Cb        del_func;
+   Elm_GLView_Func_Cb        resize_func;
+   Elm_GLView_Func_Cb        render_func;
+
+   Ecore_Idle_Enterer       *render_idle_enterer;
+
+   Eina_Bool                 initialized;
+   Eina_Bool                 resized;
+};
+
+static const char *widtype = NULL;
+static void _del_hook(Evas_Object *obj);
+static void _on_focus_hook(void *data, Evas_Object *obj);
+
+static const char SIG_FOCUSED[] = "focused";
+static const char SIG_UNFOCUSED[] = "unfocused";
+
+static void
+_del_hook(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   // Call delete func if it's registered
+   if (wd->del_func)
+     {
+        evas_gl_make_current(wd->evasgl, wd->surface, wd->context);
+        wd->del_func(obj);
+     }
+
+   if (wd->render_idle_enterer) ecore_idle_enterer_del(wd->render_idle_enterer);
+
+   if (wd->surface) evas_gl_surface_destroy(wd->evasgl, wd->surface);
+   if (wd->context) evas_gl_context_destroy(wd->evasgl, wd->context);
+   if (wd->config) evas_gl_config_free(wd->config);
+   if (wd->evasgl) evas_gl_free(wd->evasgl);
+
+   free(wd);
+}
+
+static void
+_on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   if (elm_widget_focus_get(obj))
+     {
+        evas_object_focus_set(wd->glview_image, EINA_TRUE);
+        evas_object_smart_callback_call(obj, SIG_FOCUSED, NULL);
+     }
+   else
+     {
+        evas_object_focus_set(wd->glview_image, EINA_FALSE);
+        evas_object_smart_callback_call(obj, SIG_UNFOCUSED, NULL);
+     }
+}
+
+static void
+_glview_update_surface(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   if (wd->surface)
+     {
+        evas_object_image_native_surface_set(wd->glview_image, NULL);
+        evas_gl_surface_destroy(wd->evasgl, wd->surface);
+        wd->surface = NULL;
+     }
+
+   evas_object_image_size_set(wd->glview_image, wd->w, wd->h);
+
+   if (!wd->surface)
+     {
+        Evas_Native_Surface ns;
+
+        wd->surface = evas_gl_surface_create(wd->evasgl, wd->config,
+                                             wd->w, wd->h);
+        evas_gl_native_surface_get(wd->evasgl, wd->surface, &ns);
+        evas_object_image_native_surface_set(wd->glview_image, &ns);
+        elm_glview_changed_set(obj);
+     }
+}
+
+static void
+_glview_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   Widget_Data *wd = elm_widget_data_get(data);
+   Evas_Coord w, h;
+
+   if (!wd) return;
+
+   wd->resized = EINA_TRUE;
+
+   if (wd->scale_policy == ELM_GLVIEW_RESIZE_POLICY_RECREATE)
+     {
+        evas_object_geometry_get(wd->glview_image, NULL, NULL, &w, &h);
+        if ((w == 0) || (h == 0))
+          {
+             w = 64;
+             h = 64;
+          }
+        if ((wd->w == w) && (wd->h == h)) return;
+        wd->w = w;
+        wd->h = h;
+        _glview_update_surface(data);
+     }
+}
+
+static Eina_Bool
+_render_cb(void *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+
+   // Do a make current
+   if (!evas_gl_make_current(wd->evasgl, wd->surface, wd->context))
+     {
+        wd->render_idle_enterer = NULL;
+        ERR("Failed doing make current.\n");
+        return EINA_FALSE;
+     }
+
+   // Call the init function if it hasn't been called already
+   if (!wd->initialized)
+     {
+        if (wd->init_func) wd->init_func(obj);
+        wd->initialized = EINA_TRUE;
+     }
+
+   if (wd->resized)
+     {
+        if (wd->resize_func) wd->resize_func(obj);
+        wd->resized = EINA_FALSE;
+     }
+
+   // Call the render function
+   if (wd->render_func) wd->render_func(obj);
+
+   // Depending on the policy return true or false
+   if (wd->render_policy == ELM_GLVIEW_RENDER_POLICY_ON_DEMAND)
+     return EINA_TRUE;
+   else if (wd->render_policy == ELM_GLVIEW_RENDER_POLICY_ALWAYS)
+     {
+        // Return false so it only runs once
+        wd->render_idle_enterer = NULL;
+        return EINA_FALSE;
+     }
+   else
+     {
+        ERR("Invalid Render Policy.\n");
+        wd->render_idle_enterer = NULL;
+        return EINA_FALSE;
+     }
+   return EINA_TRUE;
+}
+
+static void
+_set_render_policy_callback(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+
+   switch (wd->render_policy)
+     {
+      case ELM_GLVIEW_RENDER_POLICY_ON_DEMAND:
+         // Delete idle_enterer if it for some reason is around
+         if (wd->render_idle_enterer)
+           {
+              ecore_idle_enterer_del(wd->render_idle_enterer);
+              wd->render_idle_enterer = NULL;
+           }
+
+         // Set pixel getter callback
+         evas_object_image_pixels_get_callback_set
+            (wd->glview_image, (Evas_Object_Image_Pixels_Get_Cb)_render_cb, obj);
+         break;
+      case ELM_GLVIEW_RENDER_POLICY_ALWAYS:
+         // Unset the pixel getter callback if set already
+         evas_object_image_pixels_get_callback_set(wd->glview_image, NULL, NULL);
+
+         break;
+      default:
+         ERR("Invalid Render Policy.\n");
+         return;
+     }
+}
+
+EAPI Evas_Object *
+elm_glview_add(Evas_Object *parent)
+{
+   Evas_Object *obj;
+   Evas *e;
+   Widget_Data *wd;
+
+   ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
+
+   ELM_SET_WIDTYPE(widtype, "glview");
+   elm_widget_type_set(obj, "glview");
+   elm_widget_sub_object_add(parent, obj);
+   elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
+   elm_widget_data_set(obj, wd);
+   elm_widget_del_hook_set(obj, _del_hook);
+
+   // Evas_GL
+   wd->evasgl = evas_gl_new(e);
+   if (!wd->evasgl)
+     {
+        ERR("Failed Creating an Evas GL Object.\n");
+        return NULL;
+     }
+
+   // Create a default config
+   wd->config = evas_gl_config_new();
+   if (!wd->config)
+     {
+        ERR("Failed Creating a Config Object.\n");
+        evas_gl_free(wd->evasgl);
+        return NULL;
+     }
+   wd->config->color_format = EVAS_GL_RGB_888;
+
+   // Create image to render Evas_GL Surface
+   wd->glview_image = evas_object_image_filled_add(e);
+   evas_object_image_size_set(wd->glview_image, 1, 1);
+   evas_object_event_callback_add(wd->glview_image, EVAS_CALLBACK_RESIZE,
+                                  _glview_resize, obj);
+   elm_widget_resize_object_set(obj, wd->glview_image);
+   evas_object_show(wd->glview_image);
+
+   // Initialize variables
+   wd->mode                = 0;
+   wd->scale_policy        = ELM_GLVIEW_RESIZE_POLICY_RECREATE;
+   wd->render_policy       = ELM_GLVIEW_RENDER_POLICY_ON_DEMAND;
+   wd->surface             = NULL;
+
+   // Initialize it to (64,64)  (It's an arbitrary value)
+   wd->w                   = 64;
+   wd->h                   = 64;
+
+   // Initialize the rest of the values
+   wd->init_func           = NULL;
+   wd->del_func            = NULL;
+   wd->render_func         = NULL;
+   wd->render_idle_enterer = NULL;
+   wd->initialized         = EINA_FALSE;
+   wd->resized             = EINA_FALSE;
+
+   // Create Context
+   if (!wd->context)
+     {
+        wd->context = evas_gl_context_create(wd->evasgl, NULL);
+        if (!wd->context)
+          {
+             ERR("Error Creating an Evas_GL Context.\n");
+             return NULL;
+          }
+     }
+   return obj;
+}
+
+EAPI Evas_GL_API *
+elm_glview_gl_api_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return NULL;
+
+   return evas_gl_api_get(wd->evasgl);
+}
+
+EAPI Eina_Bool
+elm_glview_mode_set(Evas_Object *obj, Elm_GLView_Mode mode)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+
+   // Set the configs
+   if (mode & ELM_GLVIEW_ALPHA)
+      wd->config->color_format = EVAS_GL_RGBA_8888;
+   else
+      wd->config->color_format = EVAS_GL_RGB_888;
+
+   if (mode & ELM_GLVIEW_DEPTH)
+      wd->config->depth_bits = EVAS_GL_DEPTH_BIT_24;
+   else
+      wd->config->depth_bits = EVAS_GL_DEPTH_NONE;
+
+   if (mode & ELM_GLVIEW_STENCIL)
+      wd->config->stencil_bits = EVAS_GL_STENCIL_BIT_8;
+   else
+      wd->config->stencil_bits = EVAS_GL_STENCIL_NONE;
+
+   if (mode & ELM_GLVIEW_DIRECT)
+      wd->config->options_bits = EVAS_GL_OPTIONS_DIRECT;
+   else
+      wd->config->options_bits = EVAS_GL_OPTIONS_NONE;
+
+   // Check for Alpha Channel and enable it
+   if (mode & ELM_GLVIEW_ALPHA)
+     evas_object_image_alpha_set(wd->glview_image, EINA_TRUE);
+   else
+     evas_object_image_alpha_set(wd->glview_image, EINA_FALSE);
+
+   wd->mode = mode;
+
+   elm_glview_changed_set(obj);
+
+   return EINA_TRUE;
+}
+
+EAPI Eina_Bool
+elm_glview_resize_policy_set(Evas_Object *obj, Elm_GLView_Resize_Policy policy)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+
+   if (policy == wd->scale_policy) return EINA_TRUE;
+   switch (policy)
+     {
+      case ELM_GLVIEW_RESIZE_POLICY_RECREATE:
+      case ELM_GLVIEW_RESIZE_POLICY_SCALE:
+         wd->scale_policy = policy;
+         _glview_update_surface(obj);
+         elm_glview_changed_set(obj);
+         return EINA_TRUE;
+      default:
+         ERR("Invalid Scale Policy.\n");
+         return EINA_FALSE;
+     }
+}
+
+EAPI Eina_Bool
+elm_glview_render_policy_set(Evas_Object *obj, Elm_GLView_Render_Policy policy)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+
+   if ((policy != ELM_GLVIEW_RENDER_POLICY_ON_DEMAND) &&
+       (policy != ELM_GLVIEW_RENDER_POLICY_ALWAYS))
+     {
+        ERR("Invalid Render Policy.\n");
+        return EINA_FALSE;
+     }
+   if (wd->render_policy == policy) return EINA_TRUE;
+   wd->render_policy = policy;
+   _set_render_policy_callback(obj);
+   _glview_update_surface(obj);
+   return EINA_TRUE;
+}
+
+EAPI void
+elm_glview_size_set(Evas_Object *obj, int w, int h)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   if ((w == wd->w) && (h == wd->h)) return;
+   wd->w = w;
+   wd->h = h;
+   _glview_update_surface(obj);
+   elm_glview_changed_set(obj);
+}
+
+EAPI void
+elm_glview_size_get(const Evas_Object *obj, int *w, int *h)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   if (w) *w = wd->w;
+   if (h) *h = wd->h;
+}
+
+EAPI void
+elm_glview_init_func_set(Evas_Object *obj, Elm_GLView_Func_Cb func)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   wd->initialized = EINA_FALSE;
+   wd->init_func = func;
+}
+
+EAPI void
+elm_glview_del_func_set(Evas_Object *obj, Elm_GLView_Func_Cb func)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+    if (!wd) return;
+
+   wd->del_func = func;
+}
+
+EAPI void
+elm_glview_resize_func_set(Evas_Object *obj, Elm_GLView_Func_Cb func)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+    if (!wd)
+     {
+        ERR("Invalid Widget Object.\n");
+        return;
+     }
+
+   wd->resize_func = func;
+}
+
+EAPI void
+elm_glview_render_func_set(Evas_Object *obj, Elm_GLView_Func_Cb func)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   wd->render_func = func;
+   _set_render_policy_callback(obj);
+}
+
+EAPI void
+elm_glview_changed_set(Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   evas_object_image_pixels_dirty_set(wd->glview_image, EINA_TRUE);
+   if (wd->render_policy == ELM_GLVIEW_RENDER_POLICY_ALWAYS)
+     {
+        if (!wd->render_idle_enterer)
+          wd->render_idle_enterer = ecore_idle_enterer_before_add((Ecore_Task_Cb)_render_cb, obj);
+     }
+}
+
+/* vim:set ts=8 sw=3 sts=3 expandtab cino=>5n-3f0^-2{2(0W1st0 :*/