src/*: fix missing functions to generate GLArea

The new UI prototype did not bring functions to generate a GLArea at the
correct location in the code tree. This commit fixes this.

Signed-off-by: Adrien 'neox' Bourmault <neox@a-lec.org>

include/util.h

@@ -82,3 +82,88 @@ void util_pile_test();          //  called in fsm/measure.c
 void util_double_list_test();   //          "       "
 void util_sorted_list_test();   //          "       "
 
+//------------------------------------------------------------------------------
+
+/*
+ *  Look for stack entry and returns stack_id
+ *
+ *  @params container_widget, generally the GtkBox that contains the GLArea
+ *
+ *  @returns stack_id
+ */
+long util_gl_get_stack(void *container_widget);
+
+/*
+ *  Look for stack entry and returns stack_id
+ *
+ *  @params container_widget, generally the GtkBox that contains the GLArea
+ *
+ *  @returns stack_id
+ */
+long util_gl_is_util_ready(void *container_widget);
+
+/*
+ *  Look for stack entry and initializes OpenGL for it
+ *
+ *  @params container_widget, generally the GtkBox that contains the GLArea
+ *
+ *  @returns bool, true if success
+ */
+bool util_gl_init_stack(void *container_widget, GError *error_buffer);
+
+/*
+ *  Look for stack entry and shutdowns OpenGL for it
+ *
+ *  @params container_widget, generally the GtkBox that contains the GLArea
+ *
+ *  @returns bool, true if success
+ */
+bool util_gl_shutdown_stack(void *container_widget, GError *error_buffer);
+
+void util_gl_clean_stack_index(void);
+
+/*
+ *  Look for stack entry and triggers OpenGL for drawing
+ *
+ *  @params container_widget, generally the GtkBox that contains the GLArea
+ *
+ *  @returns bool, true if success
+ */
+bool util_gl_render_stack(GtkWidget *container_widget);
+
+/*
+ *  Look for stack entry and triggers OpenGL for drawing
+ *
+ *  @params container_widget, generally the GtkBox that contains the GLArea
+ *
+ *  @returns bool, true if success
+ */
+bool util_gl_update_axis(GtkWidget *container_widget, int axis, int value);
+
+/*
+ *  Look for every stack entry and shutdowns OpenGL for it
+ *
+ *  @params void
+ *
+ *  @returns bool, true if success
+ */
+void util_gl_shutdown_all_stacks(void);
+
+/*
+ *  Creates a slider widget
+ *
+ *  @params axis, meaning which axis we're building (for label)
+ *
+ *  @returns GtkWidget*, pointer to the new widget
+ */
+GtkWidget *create_axis_slider(int axis);
+
+/*
+ *  Creates GLArea and indexes it
+ *
+ *  @params target_mode, meaning which util_gl_stack we're on
+ *          target_widget, meaning the box that will host the GLArea
+ *
+ *  @returns bool, true if success
+ */
+bool util_gl_setup_glarea(int target_mode, GtkWidget *target_widget);

src/signal.c

@@ -31,6 +31,7 @@
 #include "../include/signal.h"
 #include "../include/widget.h"
 #include "../include/graphics.h"
+#include "../include/util.h"
 
 
 static void on_auto_notification (const char *message)
@@ -114,7 +115,7 @@ gboolean on_glarea_render(GtkGLArea *area,
         return false;
     }
 
-    if (graphics_render_stack(gtk_widget_get_parent(GTK_WIDGET(area))) == false) {
+    if (util_gl_render_stack(gtk_widget_get_parent(GTK_WIDGET(area))) == false) {
         on_auto_notification("Failed to render corresponding graphic stack !");
         return false;
     }
@@ -138,7 +139,7 @@ void on_glarea_realize(GtkWidget *widget)
     }
 
     // Link graphical stack to widget
-    if (graphics_init_graphics_stack(gtk_widget_get_parent(widget),
+    if (util_gl_init_stack(gtk_widget_get_parent(widget),
                               internal_error) == false) {
         on_auto_notification(
             "Failed to link the graphic stack to widgets !");
@@ -163,7 +164,7 @@ void on_glarea_unrealize(GtkWidget *widget)
     }
 
     // Destroy graphic stack
-    if (graphics_shutdown_graphics_stack(gtk_widget_get_parent(widget),
+    if (util_gl_shutdown_stack(gtk_widget_get_parent(widget),
                                   internal_error) == false) {
         on_auto_notification(
             "Failed to shutdown the graphic stack !");
@@ -185,7 +186,7 @@ void on_axis_value_change(GtkAdjustment *adjustment, gpointer data)
     g_assert(axis >= 0 && axis < N_AXIS);
 
     /* Update the rotation angle */
-    graphics_update_axis_stack(container_widget,
+    util_gl_update_axis(container_widget,
                          axis,
                          gtk_adjustment_get_value(adjustment));
 

src/util/draw/gl.c

@@ -81,7 +81,7 @@ long util_gl_get_stack(void *container_widget)
  *
  *  @returns stack_id
  */
-long util_gl_is_util_ready(void *container_widget)
+long util_gl_is_ready(void *container_widget)
 {
     // look for stack_index entry
     for (int i = 0; i < stack_index_size; i++) {

src/widget/state/middle.c

@@ -27,6 +27,7 @@
 #include "../../../include/fsm.h"
 #include "../../../include/widget.h"
 #include "../../../include/signal.h"
+#include "../../../include/util.h"
 
 static GtkAdjustment *X_adjust;
 static GtkAdjustment *Y_adjust;
@@ -89,7 +90,7 @@ static void *get_ZOOM_box()
 void *widget_get_space_view(int partition_space_vs_camera)
 {
     GtkBox *drawbox = GTK_BOX (gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0));
-    ui_setup_glarea (GTK_BOX (drawbox));
+    util_gl_setup_glarea (0, GTK_WIDGET (drawbox));
 
     GtkBox *camera = GTK_BOX (gtk_box_new (GTK_ORIENTATION_VERTICAL, 2));
     gtk_box_append (camera, GTK_WIDGET (get_XYZ_box()));