1 files changed, 130 insertions, 0 deletions
diff --git a/debian/fireflies/fireflies-2.08/libgfx/tests/t-gui.cxx b/debian/fireflies/fireflies-2.08/libgfx/tests/t-gui.cxx
new file mode 100644
index 00000000..296fe3b2
--- /dev/null
+++ b/debian/fireflies/fireflies-2.08/libgfx/tests/t-gui.cxx
@@ -0,0 +1,130 @@
+/************************************************************************
+
+  This is a simple program which demonstrates the use of the MxGUI
+  minimalist GUI framework.  The application presents a window with a
+  rotating square that can be moved around with the mouse.
+
+  by Michael Garland, 1999.
+  
+  $Id: t-gui.cxx 400 2004-02-16 16:31:35Z garland $
+
+ ************************************************************************/
+
+#include <gfx/gfx.h>
+#include <gfx/gui.h>
+#include <gfx/gltools.h>
+
+class GUI : public MxGUI
+{
+public:
+    float angle, opt_theta, center[2];
+    bool dragging;
+
+public:
+    virtual void setup_for_drawing();
+    virtual void draw_contents();
+    virtual void update_animation();
+
+    virtual bool mouse_down(int *where, int which);
+    virtual bool mouse_up(int *where, int which);
+    virtual bool mouse_drag(int *where, int *last, int which);
+};
+
+GUI gui;
+
+void GUI::setup_for_drawing()
+{
+    glClearColor(0.65f, 0.65f, 0.65f, 0.0f);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+    glMatrixMode(GL_PROJECTION);
+    gluOrtho2D(-1.0, 1.0, -1.0, 1.0);
+}
+
+void GUI::draw_contents()
+{
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glMatrixMode(GL_MODELVIEW);
+    glPushMatrix();
+    glLoadIdentity();
+
+    glColor3f(0.0, 0.0, 0.0);
+    glBegin(GL_LINES);
+      glVertex2f(-1.0, 0.0);
+      glVertex2f(1.0, 0.0);
+      glVertex2f(0.0, -1.0);
+      glVertex2f(0.0, 1.0);
+    glEnd();
+    
+    glTranslatef(center[0], center[1], 0);
+    glRotatef(angle, 0, 0, 1);
+
+    glEnable(GL_BLEND);
+    glColor4d(0.8, 0.15, 0.15, 0.85);
+    glBegin(dragging?GL_LINE_LOOP:GL_POLYGON);
+    glBegin(GL_POLYGON);
+      glVertex2f(-0.5, -0.5);
+      glVertex2f(-0.5, 0.5);
+      glVertex2f(0.5, 0.5);
+      glVertex2f(0.5, -0.5);
+    glEnd();
+    glDisable(GL_BLEND);
+
+    glPopMatrix();
+}
+
+void GUI::update_animation()
+{
+    angle += opt_theta;
+}
+
+static
+bool center_on_click(float *ctr, int *where)
+{
+    double world[3];
+
+    unproject_pixel(where, world);
+    ctr[0] = (float)world[0];
+    ctr[1] = (float)world[1];
+
+    return true;
+}
+
+bool GUI::mouse_down(int *where, int which)
+{
+    status("Clicked mouse %d at %d,%d", which, where[0], where[1]);
+    if( which==1 )
+    {
+	dragging = true;
+	return center_on_click(center, where);
+    }
+    else return false;
+}
+
+bool GUI::mouse_up(int *where, int which)
+{
+    status("Released mouse %d at %d,%d", which, where[0], where[1]);
+    dragging = false;
+    return (which==1);
+}
+
+bool GUI::mouse_drag(int *where, int *last, int which)
+{
+    if( which==1 )
+	return center_on_click(center, where);
+    else
+	return false;
+}
+
+int main(int argc, char **argv)
+{
+    gui.opt_theta = 10.0f;
+    gui.angle = 0.0f;
+    gui.dragging = false;
+    gui.center[0] = gui.center[1] = 0.0f;
+
+    gui.initialize(argc, argv);
+    gui.toplevel->label("Simple GUI Example");
+    return gui.run();
+}