hotkeymap.c

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/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/
 
#include <cgraph/alloc.h>
#include "hotkeymap.h"
#include <stdint.h>
 
static int get_mouse_mode(const char *s)
{
    if (strcmp(s, "MM_PAN") == 0)
        return MM_PAN;
    if (strcmp(s, "MM_ZOOM") == 0)
        return MM_ZOOM;
    if (strcmp(s, "MM_ROTATE") == 0)
        return MM_ROTATE;
    if (strcmp(s, "MM_SINGLE_SELECT") == 0)
        return MM_SINGLE_SELECT;
    if (strcmp(s, "MM_RECTANGULAR_SELECT") == 0)
        return MM_RECTANGULAR_SELECT;
    if (strcmp(s, "MM_RECTANGULAR_X_SELECT") == 0)
        return MM_RECTANGULAR_X_SELECT;
 
    if (strcmp(s, "MM_POLYGON_SELECT") == 0)
        return MM_POLYGON_SELECT;
 
    if (strcmp(s, "MM_MOVE") == 0)
        return MM_MOVE;
    if (strcmp(s, "MM_MOVE") == 0)
        return MM_MOVE;
    if (strcmp(s, "MM_MAGNIFIER") == 0)
        return MM_MAGNIFIER;
    if (strcmp(s, "MM_FISHEYE_MAGNIFIER") == 0)
        return MM_FISHEYE_MAGNIFIER;
    if (strcmp(s, "MM_FISHEYE_PICK") == 0)
        return MM_FISHEYE_PICK;
 
    return -1;
}
 
static int get_button(const char *s)
{
    if(view->guiMode != GUI_FULLSCREEN)
    {
        if (strcmp(s, "B_LSHIFT") == 0)
            return B_LSHIFT;
        if (strcmp(s, "B_RSHIFT") == 0)
            return B_RSHIFT;
        if (strcmp(s, "B_LCTRL") == 0)
            return B_LCTRL;
        if (strcmp(s, "B_RCTRL") == 0)
            return B_RCTRL;
        if (strcmp(s, "0") == 0)
            return 0;
    }
    else
    {
                int mod = glutGetModifiers();
                if (mod == GLUT_ACTIVE_ALT)
 
        if (strcmp(s, "B_LSHIFT") == 0)
            return GLUT_ACTIVE_SHIFT;
        if (strcmp(s, "B_RSHIFT") == 0)
            return GLUT_ACTIVE_SHIFT;
        if (strcmp(s, "B_LCTRL") == 0)
            return GLUT_ACTIVE_CTRL;
        if (strcmp(s, "B_RCTRL") == 0)
            return GLUT_ACTIVE_CTRL;
        if (strcmp(s, "0") == 0)
            return 0;
    }
    return 0;
}
 
static int get_view_mode(const char *s)
{
    if (strcmp(s, "ALL") == 0)
        return smyrna_all;
    if (strcmp(s, "2D") == 0)
        return smyrna_2D;
    if (strcmp(s, "3D") == 0)
        return smyrna_3D;
    if (strcmp(s, "FISHEYE") == 0)
        return smyrna_fisheye;
    if (strcmp(s, "NO_FISHEYE") == 0)
        return smyrna_all_but_fisheye;
    return -1;
}
 
static int get_mouse_button(const char *s)
{
 
    if (strcmp(s, "LEFT") == 0)
        return glMouseLeftButton;
    if (strcmp(s, "RIGHT") == 0)
        return glMouseRightButton;
    if (strcmp(s, "MIDDLE") == 0)
        return glMouseMiddleButton;
    return -1;
}
 
static int get_drag(const char *s)
{
    if (s[0] == '1')
        return 1;
    return 0;
}
 
void load_mouse_actions(ViewInfo * v)
{
    // file parsing is temporarily not available
    int i = 0;
    FILE *file;
    char linebuf[BUFSIZ];
    char *a;
    char *action_file = smyrnaPath("mouse_actions.txt");
    file = fopen(action_file, "r");
    if (file != NULL) {
        int ind = 0;
        while (fgets(linebuf, BUFSIZ, file) != NULL) {
            int idx = 0;
            a = strtok(linebuf, ",");
 
            if (linebuf[0] == '#' || linebuf[0] == ' ' || strlen(linebuf) == 0)
                continue;
 
            v->mouse_actions = gv_recalloc(v->mouse_actions, v->mouse_action_count,
                                           v->mouse_action_count + 1,
                                           sizeof(mouse_action_t));
            v->mouse_action_count++;
            v->mouse_actions[ind].action = get_mouse_mode(a);
            v->mouse_actions[ind].index = i;
 
            while ((a = strtok(NULL, ","))) {
                //#Action(0),hotkey(1),view_mode(2),mouse_button(3),drag(4)
                switch (idx) {
                case 0:
                    v->mouse_actions[ind].hotkey = get_button(a);
                    break;
                case 1:
                    v->mouse_actions[ind].mode = get_view_mode(a);
                    break;
                case 2:
                    v->mouse_actions[ind].type = get_mouse_button(a);
                    break;
                case 3:
                    v->mouse_actions[ind].drag = get_drag(a);
                    break;
 
                }
                idx++;
            }
            ind++;
        }
        fclose(file);
    }
    free(action_file);
}
 
int get_mode(ViewInfo * v)
{
    glMouseButtonType curMouseType = v->mouse.t;
    int curDragging = v->mouse.dragX != 0 || v->mouse.dragY != 0;
    smyrna_view_mode view_mode;
    view_mode = smyrna_2D;
    if (v->active_camera != SIZE_MAX)
        view_mode = smyrna_3D;
    if (v->Topview->fisheyeParams.active)
        view_mode = smyrna_fisheye;
 
 
    for (size_t ind = 0; ind < v->mouse_action_count; ind++) {
 
        if (v->mouse_actions[ind].hotkey == v->keymap.keyVal
            && v->mouse_actions[ind].type == curMouseType
            && v->mouse_actions[ind].drag == curDragging
            &&
            (v->mouse_actions[ind].mode == view_mode
             || v->mouse_actions[ind].mode == smyrna_all
             || (v->mouse_actions[ind].mode == smyrna_all_but_fisheye
                 && view_mode != smyrna_fisheye)
            )) {
            return v->mouse_actions[ind].action;
 
        }
    }
    return -1;
}