---

listbox_default.cpp

Go to the documentation of this file.

/*
        ClanGUI, copyrights by various people. Have a look in the CREDITS file.
        
        This sourcecode is distributed using the Library GNU Public Licence,
        version 2 or (at your option) any later version. Please read LICENSE
        for details.
*/

#include "precomp.h"
#include "listbox_default.h"
#include "API/Display/Font/font.h"
#include "API/GUI/scrollbar.h"
#include "API/Display/Display/display.h"

CL_ListBox_Default::CL_ListBox_Default(
        CL_ListBox *_listbox,
        const CL_ComponentOptions &options,
        CL_StyleManager_Default *style)
: CL_ComponentStyle(_listbox), listbox(_listbox)
{
        this->style = style;

        resources = style->get_resources();
        font = CL_Font::load("ListBox/font", resources);

        listbox->set_item_height(font->get_height());

        CL_Component *client_area = listbox->get_client_area();

        int height = client_area->get_height();
        int max = height / font->get_height();
        listbox->set_max_visible_items(max);

/*      int height;
        if (options.exists("height"))
        {
                height = options.get_value_as_int("height");
                int max = height / font->get_height();
                listbox->set_max_visible_items(max);
        }
        else
        {
                height = listbox->get_max_visible_items() * font->get_height();
        }
*/
        slot_paint_background = listbox->sig_paint().connect(CL_CreateSlot(this, &CL_ListBox_Default::on_paint_background));
        slot_paint_listbox = client_area->sig_paint().connect(CL_CreateSlot(this, &CL_ListBox_Default::on_paint_listbox));
}

CL_ListBox_Default::~CL_ListBox_Default()
{
//      resources->get_resource("Listbox/font")->unload();
}

void CL_ListBox_Default::on_paint_background()
{
        int width = listbox->get_width();
        int height = listbox->get_height();

        if(listbox->is_enabled() == false || listbox->has_focus() == false)
        {
                // Fill
                style->fill_rect(1, 1, width - 1, height - 1, GUICOLOR_WHITE);

                // Outline
                style->draw_rect(0, 0, width, height, GUICOLOR_DARK_OUTLINE);
        }
        else
        {
                // Fill
                style->fill_rect(2, 2, width - 2, height - 2, GUICOLOR_WHITE);

                // Outline
                style->draw_rect(0, 0, width, height, GUICOLOR_DARK_OUTLINE);

                // Shade box
                style->draw_box(1, 1, width - 1, height - 1, GUICOLOR_DARKER_SHADE, GUICOLOR_MEDIUM_SHADE);
        }
}

void CL_ListBox_Default::on_paint_listbox()
{
        int width = listbox->get_client_area()->get_width();
        int height = listbox->get_client_area()->get_height();

        int pos = 0;

        std::list<std::string> items = listbox->get_items();
        std::list<std::string>::iterator it;
        int offset = listbox->get_top_item();
        for (it = items.begin(); it != items.end(); it++)
        {
                if (pos < listbox->get_top_item())
                {
                        pos++;
                        continue;
                }
                if (pos == listbox->get_current_item())
                {
                        int text_width = font->get_text_width((*it).c_str());

                        if (listbox->has_focus())
                        {
                                style->fill_rect(
                                        0,
                                        (pos - offset) * font->get_height(),
                                        width,
                                        (pos + 1 - offset) * font->get_height(),
                                        GUICOLOR_SELECTION);
                        }
                        else
                        {
                                style->draw_rect(
                                        0,
                                        (pos - offset) * font->get_height(),
                                        width,
                                        (pos + 1 - offset) * font->get_height(),
                                        GUICOLOR_SELECTION);
                        }
                }

                font->print_left(
                        0,
                        (pos - offset) * font->get_height(),
                        (*it).c_str());

                pos++;
        }
}

---