X-Git-Url: https://git.dlugolecki.net.pl/?a=blobdiff_plain;f=src%2Fui%2Fdrawing_area.c;h=16448474091ed73e66c535cb5477e5ef3a713bbd;hb=HEAD;hp=ee915e941ac47f683f9139c146f3b40375d8c562;hpb=961bbb87dca7f5406440d32c06dfc7552044e08a;p=familia.git

diff --git a/src/ui/drawing_area.c b/src/ui/drawing_area.c
index ee915e9..1644847 100644
--- a/src/ui/drawing_area.c
+++ b/src/ui/drawing_area.c
@@ -2,9 +2,12 @@
 #include <gtk/gtkgl.h>
 #include <GL/gl.h>
 #include <GL/glu.h>
+#include <assert.h>
 
 #include "../debug.h"
+#include "../familia.h"
 #include "drawing_area.h"
+#include "../math/3d.h"
 #include "../graphics/constants.h"
 #include "../graphics/individual.h"
 #include "../graphics/family.h"
@@ -26,6 +29,8 @@ gboolean drawing_area_draw(GtkWidget *widget, cairo_t *cr, gpointer user_data)
 	unsigned int i;
 	unsigned int individuals_no;
 	unsigned int families_no;
+	struct familia_storage * storage;
+	struct position * pos;
 
 	/*** OpenGL BEGIN ***/
 	if (!gtk_widget_begin_gl (widget)) {
@@ -38,17 +43,29 @@ gboolean drawing_area_draw(GtkWidget *widget, cairo_t *cr, gpointer user_data)
 
 	gluLookAt (camera_pos_x, camera_pos_y, camera_pos_z, 0.0, 0.0, -100.0, 0.0, 1.0, 0.0);
 
-	individuals_no = familia_storage_get_current()->individuals_no;
+	storage = familia_storage_get_current();
+	individuals_no = storage->individuals_no;
 
 	for (i = 0; i < individuals_no; i++) {
+		pos = calculate_individual_position(storage->individuals[i]);
+
 	glPushMatrix ();
-		glTranslatef(i * (GR_IND_RADIUS + 1), 0, -10);
+		glTranslatef(
+			(pos != NULL) ? pos->x : 0,
+			(pos != NULL) ? pos->y : 0,
+			(pos != NULL) ? pos->z : -10
+		);
 		glColor3f (1.0, 1.0, 1.0);
 		graphics_render_individual();
 	glPopMatrix ();
+
+		if (pos != NULL) {
+			free(pos);
+			pos = NULL;
+		}
 	}
 
-	families_no = familia_storage_get_current()->families_no;
+	families_no = storage->families_no;
 
 	for (i = 0; i < families_no; i++) {
 	glPushMatrix ();
@@ -133,3 +150,47 @@ void drawing_area_unrealize (GtkWidget *widget, gpointer data)
 {
 	/* Code */
 }
+
+/**
+ * The "scroll-event" signal handler. Responsible for correctly scrolling
+ * drawing area using mouse or touchpad.
+ */
+void drawing_area_event_scroll (GtkWidget *widget,
+				GdkEvent *event, FamiliaData *data)
+{
+	GtkAdjustment *adjustment = NULL;
+	gdouble value = 0;
+	gdouble step = 0;
+
+	assert(event->type == GDK_SCROLL);
+
+	switch(event->scroll.direction) {
+		case GDK_SCROLL_UP:
+			adjustment = data->vadjustment;
+			step = 1;
+			break;
+		case GDK_SCROLL_DOWN:
+			adjustment = data->vadjustment;
+			step = -1;
+			break;
+		case GDK_SCROLL_LEFT:
+			adjustment = data->hadjustment;
+			step = -1;
+			break;
+		case GDK_SCROLL_RIGHT:
+			adjustment = data->hadjustment;
+			step = 1;
+			break;
+		default:
+			break;
+	}
+
+	if (adjustment != NULL) {
+		value = gtk_adjustment_get_value (adjustment);
+		step  = step * gtk_adjustment_get_step_increment(adjustment);
+		value += step;
+
+		gtk_adjustment_set_value (adjustment, value);
+		gtk_adjustment_value_changed (adjustment);
+	}
+}