gseisviewtoolaux.c

来自「segy 显示程序！希望能给正在做这部分朋友提供一部分资料」· C语言 代码 · 共 129 行

/* 
 * GTKSEISVIEWGL - Library for rendering of 2D seismic data
 *
 * Copyright (C) 2006 Vladimir Bashkardin
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more av.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Author:  Vladimir Bashkardin  <[e-mail]>
 */

#include <GL/gl.h>

#include <gtk/gtkgl.h>

#include "gtkseisviewgl_marshal.h"
#include "gtkseisviewgl.h"
#include "gseisviewtoolaux.h"

G_DEFINE_TYPE (GSeisViewToolAuxilary, g_seis_view_tool_auxilary, G_SEIS_TYPE_VIEW_TOOL)

#define G_SEIS_VIEW_TOOL_AUXILARY_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), G_SEIS_TYPE_VIEW_TOOL_AUXILARY, GSeisViewToolAuxilaryPrivate))

typedef struct _GSeisViewToolAuxilaryPrivate GSeisViewToolAuxilaryPrivate;

struct _GSeisViewToolAuxilaryPrivate {
    gpointer nothingness;
};

static gboolean g_seis_view_tool_auxilary_scroll_up_signal (GSeisViewToolAuxilary *self) {
    g_signal_emit (self, G_SEIS_VIEW_TOOL_AUXILARY_GET_CLASS (self)->auxilary_scroll_up_id, 0);
    return FALSE;
}

static gboolean g_seis_view_tool_auxilary_scroll_down_signal (GSeisViewToolAuxilary *self) {
    g_signal_emit (self, G_SEIS_VIEW_TOOL_AUXILARY_GET_CLASS (self)->auxilary_scroll_down_id, 0);
    return FALSE;
}

static void g_seis_view_tool_button_event_int (GSeisViewTool *tool, GtkWidget *seis_view_gl, GdkEventButton *event,
                                               GSeisViewDataVisibility *data_visibility) {
}

static void g_seis_view_tool_scroll_event_int (GSeisViewTool *tool, GtkWidget *seis_view_gl, GdkEventScroll *event,
                                               GSeisViewDataVisibility *data_visibility) {
    GSeisViewToolAuxilaryPrivate *private = G_SEIS_VIEW_TOOL_AUXILARY_GET_PRIVATE (G_SEIS_VIEW_TOOL (tool));

    if (GDK_SCROLL_UP == event->direction)
        g_idle_add ((GSourceFunc)g_seis_view_tool_auxilary_scroll_up_signal, (gpointer)G_SEIS_VIEW_TOOL_AUXILARY (tool));
    else if (GDK_SCROLL_DOWN == event->direction)
        g_idle_add ((GSourceFunc)g_seis_view_tool_auxilary_scroll_down_signal, (gpointer)G_SEIS_VIEW_TOOL_AUXILARY (tool));
}

static void g_seis_view_tool_motion_event_int (GSeisViewTool *tool, GtkWidget *seis_view_gl, GdkEventMotion *event,
                                               GSeisViewDataVisibility *data_visibility) {
}

static void g_seis_view_tool_auxilary_init (GSeisViewToolAuxilary *self) {
    (G_SEIS_VIEW_TOOL (self))->event_mask |= G_SEIS_VIEW_TOOL_MOTION_EVENT |
                                             G_SEIS_VIEW_TOOL_BUTTON_EVENT |
                                             G_SEIS_VIEW_TOOL_SCROLL_EVENT;

    (G_SEIS_VIEW_TOOL (self))->show_cross = TRUE;

#ifdef DEBUG
    g_print ("<GSeisViewToolAuxilary is inited>\n");
#endif
}

static void g_seis_view_tool_auxilary_finalize (GObject *object) {
#ifdef DEBUG
    g_print ("<GSeisViewToolAuxilary is finalized>\n");
#endif
    if (G_OBJECT_CLASS (g_seis_view_tool_auxilary_parent_class)->finalize)
        G_OBJECT_CLASS (g_seis_view_tool_auxilary_parent_class)->finalize (object);
}

static void g_seis_view_tool_auxilary_class_init (GSeisViewToolAuxilaryClass *klass) {
    GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
    GSeisViewToolClass *tool_class = G_SEIS_VIEW_TOOL_CLASS (klass);

    gobject_class->finalize = g_seis_view_tool_auxilary_finalize;

    g_type_class_add_private (klass, sizeof (GSeisViewToolAuxilaryPrivate));

    tool_class->view_button_event = g_seis_view_tool_button_event_int;
    tool_class->view_scroll_event = g_seis_view_tool_scroll_event_int;
    tool_class->view_motion_event = g_seis_view_tool_motion_event_int;

    klass->auxilary_scroll_up = NULL;
    klass->auxilary_scroll_down = NULL;

    klass->auxilary_scroll_up_id = g_signal_new ("auxilary_scroll_up",
                                                 G_TYPE_FROM_CLASS ((gpointer)G_OBJECT_CLASS (klass)),
                                                 G_SIGNAL_RUN_LAST,
                                                 G_STRUCT_OFFSET (GSeisViewToolAuxilaryClass, auxilary_scroll_up),
                                                 NULL, NULL,
                                                 gtkseisviewgl_marshal_VOID__VOID,
                                                 G_TYPE_NONE, 0);

    klass->auxilary_scroll_down_id = g_signal_new ("auxilary_scroll_down",
                                                   G_TYPE_FROM_CLASS ((gpointer)G_OBJECT_CLASS (klass)),
                                                   G_SIGNAL_RUN_LAST,
                                                   G_STRUCT_OFFSET (GSeisViewToolAuxilaryClass, auxilary_scroll_down),
                                                   NULL, NULL,
                                                   gtkseisviewgl_marshal_VOID__VOID,
                                                   G_TYPE_NONE, 0);

#ifdef DEBUG
    g_print ("<GSeisViewToolAuxilary class is inited>\n");
#endif
}

GSeisViewToolAuxilary* g_seis_view_tool_auxilary_new () {
    return g_object_new (G_SEIS_TYPE_VIEW_TOOL_AUXILARY, NULL);
}