ComboBoxText.H

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/* Copyright 2000-2018 Matt Flax <flatmax@flatmax.org>
   This file is part of GTK+ IOStream class set

   GTK+ IOStream 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.

   GTK+ IOStream 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 details.

   You have received a copy of the GNU General Public License
   along with GTK+ IOStream
 */
#ifndef COMBOBOXTEXT_H_
#define COMBOBOXTEXT_H_

#include <Container.H>
#include <string.h>

class ComboBoxText : public Container {
    void init(void) {
#if GTK_MAJOR_VERSION==2 && GTK_MINOR_VERSION<24
        GtkListStore *model = gtk_list_store_new (1, G_TYPE_STRING);
        widget = gtk_combo_box_new_with_model(GTK_TREE_MODEL (model));
        GtkCellRenderer *cell_renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (widget), cell_renderer, TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (widget), cell_renderer, "text", 0, NULL);
#else
        widget = gtk_combo_box_text_new();
#endif

    }
public:
    ComboBoxText(void) {
        init();
    }

    ComboBoxText(GCallback callBack, void *data) {
        init();
        setChangedCallback(callBack, data);
    }

    gulong setChangedCallback(GCallback callBack, void *data) {
        return g_signal_connect( G_OBJECT( widget ), "changed" ,G_CALLBACK(callBack), data);
    }

    void removeChangedCallback(gulong id) {
        return g_signal_handler_disconnect( G_OBJECT( widget ), id);
    }

    void getSelection(int &value) {
        value=gtk_combo_box_get_active(GTK_COMBO_BOX(widget));
    }

    void getSelection(char *value) {
#if GTK_MAJOR_VERSION==2 && GTK_MINOR_VERSION<24
        gchar *val=gtk_combo_box_get_active_text(GTK_COMBO_BOX(widget));
#else
        gchar *val=gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(widget));
#endif
        strcpy(value,val);
        g_free(val);
    }

    void getSelection(string &value) {
#if GTK_MAJOR_VERSION==2 && GTK_MINOR_VERSION<24
        gchar *val=gtk_combo_box_get_active_text(GTK_COMBO_BOX(widget));
#else
        gchar *val=gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(widget));
#endif
        value=val;
        g_free(val);
    }

    static void getSelection(GtkWidget *wid, string &value) {
#if GTK_MAJOR_VERSION==2 && GTK_MINOR_VERSION<24
        gchar *val=gtk_combo_box_get_active_text(GTK_COMBO_BOX(wid));
#else
        gchar *val=gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(wid));
#endif
        value=val;
        g_free(val);
    }

    void setSelection(int which) {
        gtk_combo_box_set_active(GTK_COMBO_BOX(widget), which);
    }

    int setSelection(const char *text) {
        return setSelection(string(text));
    }

    int setSelection(string text) {
        int ret=-1;
        GtkTreeIter iter;
        gboolean valid;
        GtkTreeModel *model=gtk_combo_box_get_model(GTK_COMBO_BOX(widget));
        if (model==NULL) {
            cerr<<"ComboBoxText::setSelection : A value GtkTreeModel is not associated with this GtkComboBoxText"<<endl;
            return ret;
        }
        valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(model), &iter); // Get first row in list store
        int which=0;
        cout<<valid<<endl;
        while (valid) {
            char *val;
            gtk_tree_model_get(model, &iter, 0, &val,  -1);
            //cout<<val<<endl;
            if (strcmp(text.c_str(),val)==0) {
                ret=valid=0;
                setSelection(which);
            } else
                valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(model), &iter); // Make iter point to the next row in the list store
            which++;
            g_free(val);
        }
        return ret;
    }

    ComboBoxText& operator<<(const char*text) {
#if GTK_MAJOR_VERSION==2 && GTK_MINOR_VERSION<24
        gtk_combo_box_append_text(GTK_COMBO_BOX(widget), text);
#else
        gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(widget), text);
#endif
        return *this;
    }

    ComboBoxText& operator<<(string text) {
#if GTK_MAJOR_VERSION==2 && GTK_MINOR_VERSION<24
        gtk_combo_box_append_text(GTK_COMBO_BOX(widget), text.c_str());
#else
        gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(widget), text.c_str());
#endif
        return *this;
    }
};
#endif //COMBOBOXTEXT_H_