--- /dev/null
+/* $Id$ $Revision$ */
+/* vim:set shiftwidth=4 ts=8: */
+
+/**********************************************************
+* This software is part of the graphviz package *
+* http://www.graphviz.org/ *
+* *
+* Copyright (c) 1994-2004 AT&T Corp. *
+* and is licensed under the *
+* Common Public License, Version 1.0 *
+* by AT&T Corp. *
+* *
+* Information and Software Systems Research *
+* AT&T Research, Florham Park NJ *
+**********************************************************/
+
+#include "glutrender.h"
+#include "viewport.h"
+#include "arcball.h"
+#include "appmouse.h"
+#include "glexpose.h"
+
+
+ /*call backs */
+
+static float begin_x = 0.0;
+static float begin_y = 0.0;
+static float dx = 0.0;
+static float dy = 0.0;
+
+/*mouse mode mapping funvtion from glut to glcomp*/
+static glMouseButtonType getGlCompMouseType(int n)
+{
+ switch (n) {
+ case GLUT_LEFT_BUTTON:
+ return glMouseLeftButton;
+ case GLUT_RIGHT_BUTTON:
+ return glMouseMiddleButton;
+ case GLUT_MIDDLE_BUTTON:
+ return glMouseRightButton;
+
+ default:
+ return glMouseLeftButton;
+ }
+}
+
+
+void cb_glutreshape(int width, int height)
+{
+ /* static int doonce=0; */
+ int vPort[4];
+ float aspect;
+ view->w = width;
+ view->h = height;
+ if (view->widgets)
+ glcompsetUpdateBorder(view->widgets, view->w, view->h);
+ glViewport(0, 0, view->w, view->h);
+ /* get current viewport */
+ glGetIntegerv(GL_VIEWPORT, vPort);
+ /* setup various opengl things that we need */
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ init_arcBall(view->arcball, (GLfloat) view->w, (GLfloat) view->h);
+ if (view->w > view->h) {
+ aspect = (float) view->w / (float) view->h;
+ glOrtho(-aspect * GL_VIEWPORT_FACTOR, aspect * GL_VIEWPORT_FACTOR,
+ GL_VIEWPORT_FACTOR * -1, GL_VIEWPORT_FACTOR, -1500, 1500);
+ } else {
+ aspect = (float) view->h / (float) view->w;
+ glOrtho(GL_VIEWPORT_FACTOR * -1, GL_VIEWPORT_FACTOR,
+ -aspect * GL_VIEWPORT_FACTOR, aspect * GL_VIEWPORT_FACTOR,
+ -1500, 1500);
+ }
+
+ glMatrixMode(GL_MODELVIEW);
+ /*** OpenGL END ***/
+
+}
+void cb_glutdisplay()
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glClearColor(view->bgColor.R, view->bgColor.G, view->bgColor.B, view->bgColor.A);
+ glLoadIdentity();
+ glexpose_main(view); //draw all stuff
+ glutSwapBuffers();
+ if (view->initFile) {
+ view->initFile = 0;
+ if (view->activeGraph == 0)
+ close_graph(view, 0);
+ add_graph_to_viewport_from_file(view->initFileName);
+ }
+
+}
+void cb_mouseclick(int button, int state,int x, int y)
+{
+ Agraph_t* g;
+
+ if (view->g == 0) return;
+ g=view->g[view->activeGraph];
+ begin_x = (float) x;
+ begin_y = (float) y;
+ if(state==GLUT_DOWN)
+ {
+ view->widgets->common.functions.mousedown((glCompObj*)view->widgets,(GLfloat) x,(GLfloat)y,getGlCompMouseType(button));
+ if (button == GLUT_LEFT_BUTTON)
+ appmouse_left_click_down(view,x,y);
+ if (button == GLUT_RIGHT_BUTTON)
+ appmouse_right_click_down(view,x,y);
+ if (button == GLUT_MIDDLE_BUTTON)
+ appmouse_middle_click_down(view,x,y);
+ }
+ else
+ {
+ view->FontSizeConst = GetOGLDistance(14);
+ view->arcball->isDragging = 0;
+ view->widgets->common.functions.mouseup((glCompObj*)view->widgets,(GLfloat) x,(GLfloat) y,getGlCompMouseType(button));
+
+ if (button == GLUT_LEFT_BUTTON)
+ appmouse_left_click_up(view,x,y);
+ if (button == GLUT_LEFT_BUTTON)
+ appmouse_right_click_up(view,x,y);
+ if (button == GLUT_MIDDLE_BUTTON)
+ appmouse_middle_click_up(view,x,y);
+ dx = 0.0;
+ dy = 0.0;
+ }
+ cb_glutdisplay();
+
+}
+void cb_mouseover(int x,int y)/*no mouse click only mouse pointer moving on context*/
+{
+
+
+
+
+
+
+
+
+}
+void cb_mouseover2(int X,int Y)/*mouse moving witha button clicked (dragging)*/
+{
+
+ float x = (float) X;
+ float y = (float) Y;
+
+ if (view->widgets)
+ view->widgets->common.functions.mouseover((glCompObj*)view->widgets, (GLfloat) x,(GLfloat) y);
+
+ dx = x - begin_x;
+ dy = y - begin_y;
+ view->mouse.dragX = dx;
+ view->mouse.dragY = dy;
+ appmouse_move(view,x,y);
+
+ if((view->mouse.t==glMouseLeftButton) && (view->mouse.down) )
+ appmouse_left_drag(view,x,y);
+ if((view->mouse.t==glMouseRightButton) && (view->mouse.down))
+ appmouse_right_drag(view,x,y);
+ if((view->mouse.t==glMouseMiddleButton) && (view->mouse.down))
+ appmouse_middle_drag(view,x,y);
+ begin_x = x;
+ begin_y = y;
+ cb_glutdisplay();
+
+}
+
+
+void sm_glutinit(int w,int h,int full)
+{
+ glutInitWindowSize(512,512);
+ glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH|GLUT_RGBA|GLUT_ALPHA|GLUT_STENCIL);
+
+
+// glutInitDisplayMode ( GLUT_RGBA | GLUT_DOUBLE);
+ glutCreateWindow("The glut hello world program");
+ glutDisplayFunc(cb_glutdisplay);
+ glutReshapeFunc(cb_glutreshape);
+ glutMouseFunc(cb_mouseclick);
+ glutMotionFunc(cb_mouseover2);
+ glutFullScreen();
+
+ glClearColor(view->bgColor.R, view->bgColor.G, view->bgColor.B, view->bgColor.A); //background color
+ glClearDepth(1.0);
+ glClear(GL_COLOR_BUFFER_BIT);
+
+
+ glFrontFace(GL_CW);
+// glEnable (GL_LIGHTING);
+// glEnable (GL_LIGHT0);
+// glEnable (GL_AUTO_NORMAL);
+// glEnable (GL_NORMALIZE);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glDepthFunc(GL_LESS);
+ glDisable(GL_DEPTH);
+// glEnable(GL_LINE_SMOOTH);
+
+
+
+/* * 7.1 glutDisplayFunc
+ * 7.2 glutOverlayDisplayFunc
+ * 7.3 glutReshapeFunc
+ * 7.4 glutKeyboardFunc
+ * 7.5 glutMouseFunc
+ * 7.6 glutMotionFunc, glutPassiveMotionFunc
+ * 7.7 glutVisibilityFunc
+ * 7.8 glutEntryFunc
+ * 7.9 glutSpecialFunc
+ * 7.10 glutSpaceballMotionFunc
+ * 7.11 glutSpaceballRotateFunc
+ * 7.12 glutSpaceballButtonFunc
+ * 7.13 glutButtonBoxFunc
+ * 7.14 glutDialsFunc
+ * 7.15 glutTabletMotionFunc
+ * 7.16 glutTabletButtonFunc
+ * 7.17 glutMenuStatusFunc
+ * 7.18 glutIdleFunc
+ * 7.19 glutTimerFunc
+ */
+ glutMainLoop(); // Infinite event loop
+}
+
projects / graphviz / commitdiff