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scrollbar_default.cpp

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/*
        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 "scrollbar_default.h"
#include "button_default.h"
#include "API/Display/Display/surface.h"
#include "API/Core/Resources/resource_manager.h"

CL_ScrollBar_Default::CL_ScrollBar_Default(
        CL_ScrollBar *_scrollbar,
        const CL_ComponentOptions &options,
        CL_StyleManager_Default *style)
:
        CL_ComponentStyle(_scrollbar),
        scrollbar(_scrollbar)
{
        this->style = style;
        resources = style->get_resources();

        CL_Rect rect_decrease;
        CL_Rect rect_increase;
        CL_Rect rect_scroll = scrollbar->get_position();

        CL_Component *client_area = scrollbar->get_client_area();

        if (scrollbar->is_vertical())
        {
                int button_size = scrollbar->get_width();
                rect_decrease = CL_Rect(0, 0, button_size, button_size);
                rect_increase = CL_Rect(0, scrollbar->get_height() - button_size, button_size, scrollbar->get_height());
        }
        else
        {
                int button_size = scrollbar->get_height();
                rect_decrease = CL_Rect(0, 0, button_size, button_size);
                rect_increase = CL_Rect(scrollbar->get_width() - button_size, 0, scrollbar->get_width(), button_size);
        }

        button_increase = new CL_Button(rect_increase, "", scrollbar, style);
        button_decrease = new CL_Button(rect_decrease, "", scrollbar, style);

        slot_paint = client_area->sig_paint().connect(CL_CreateSlot(this, &CL_ScrollBar_Default::on_paint));
        slot_increase = button_increase->sig_clicked().connect(CL_CreateSlot(this, &CL_ScrollBar_Default::on_increase));
        slot_decrease = button_decrease->sig_clicked().connect(CL_CreateSlot(this, &CL_ScrollBar_Default::on_decrease));
}

CL_ScrollBar_Default::~CL_ScrollBar_Default()
{
}

void CL_ScrollBar_Default::on_increase()
{
        scrollbar->increase();
}

void CL_ScrollBar_Default::on_decrease()
{
        scrollbar->decrease();
}

void CL_ScrollBar_Default::on_paint()
{
        int width = scrollbar->get_client_area()->get_width();
        int height = scrollbar->get_client_area()->get_height();

        CL_Rect rect = scrollbar->get_slider_rect();

        // Background
        // TODO: Split this into two parts (at the sides of the slider)
        style->fill_rect(
                0, 0,
                width, height,
                GUICOLOR_SCROLLBAR);

        // Slider
        style->fill_rect(
                rect.x1 + 2,
                rect.y1 + 2,
                rect.x2 - 2,
                rect.y2 - 2,
                GUICOLOR_WHITE);

        style->draw_rect(
                rect.x1 + 1,
                rect.y1 + 1,
                rect.x2 - 1,
                rect.y2 - 1, 
                GUICOLOR_DARK_OUTLINE);
}

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