usbloadergx/source/GUI/gui_filebrowser.cpp

/****************************************************************************
 * libwiigui
 *
 * Tantric 2009
 *
 * gui_filebrowser.cpp
 *
 * GUI class definitions
 ***************************************************************************/

#include "gui_filebrowser.h"
#include "prompts/filebrowser.h"
#include "settings/CSettings.h"
#include "themes/CTheme.h"

/**
 * Constructor for the GuiFileBrowser class.
 */
GuiFileBrowser::GuiFileBrowser(int w, int h)
    : scrollBar(h-10)
{
    width = w;
    height = h;
    selectedItem = 0;
    selectable = true;
    triggerdisabled = false; // trigger disable
    focus = 0; // allow focus

    trigA = new GuiTrigger;
    trigA->SetSimpleTrigger(-1, WPAD_BUTTON_A | WPAD_CLASSIC_BUTTON_A, PAD_BUTTON_A);

    bgFileSelection = new GuiImageData(Resources::GetFile("bg_browser.png"), Resources::GetFileSize("bg_browser.png"));
    bgFileSelectionImg = new GuiImage(bgFileSelection);
    bgFileSelectionImg->SetParent(this);
    bgFileSelectionImg->SetAlignment(ALIGN_LEFT, ALIGN_MIDDLE);

    bgFileSelectionEntry = Resources::GetImageData("bg_browser_selection.png");

    fileFolder = Resources::GetImageData("icon_folder.png");

    scrollBar.SetParent(this);
    scrollBar.SetAlignment(ALIGN_RIGHT, ALIGN_TOP);
    scrollBar.SetPosition(0, 5);
    scrollBar.listChanged.connect(this, &GuiFileBrowser::onListChange);

    for (int i = 0; i < FILEBROWSERSIZE; i++)
    {
        fileListText[i] = new GuiText((char *) NULL, 20, ( GXColor ) {0, 0, 0, 0xff});
        fileListText[i]->SetAlignment(ALIGN_LEFT, ALIGN_MIDDLE);
        fileListText[i]->SetPosition(5, 0);
        fileListText[i]->SetMaxWidth(bgFileSelectionImg->GetWidth() - (scrollBar.GetWidth() + 40), DOTTED);

        fileListTextOver[i] = new GuiText((char *) NULL, 20, ( GXColor ) {0, 0, 0, 0xff});
        fileListTextOver[i]->SetAlignment(ALIGN_LEFT, ALIGN_MIDDLE);
        fileListTextOver[i]->SetPosition(5, 0);
        fileListTextOver[i]->SetMaxWidth(bgFileSelectionImg->GetWidth() - (scrollBar.GetWidth() + 40), SCROLL_HORIZONTAL);

        fileListBg[i] = new GuiImage(bgFileSelectionEntry);
        fileListFolder[i] = new GuiImage(fileFolder);
        fileList[i] = new GuiButton(350, 30);
        fileList[i]->SetParent(this);
        fileList[i]->SetLabel(fileListText[i]);
        fileList[i]->SetLabelOver(fileListTextOver[i]);
        fileList[i]->SetImageOver(fileListBg[i]);
        fileList[i]->SetPosition(2, 30 * i + 3);
        fileList[i]->SetTrigger(trigA);
        fileList[i]->SetRumble(false);
        fileList[i]->SetSoundClick(btnSoundClick);
    }
}

/**
 * Destructor for the GuiFileBrowser class.
 */
GuiFileBrowser::~GuiFileBrowser()
{
    delete bgFileSelectionImg;

    delete bgFileSelection;
    delete bgFileSelectionEntry;
    delete fileFolder;

    delete trigA;

    for (int i = 0; i < FILEBROWSERSIZE; i++)
    {
        delete fileListText[i];
        delete fileListTextOver[i];
        delete fileList[i];
        delete fileListBg[i];
        delete fileListFolder[i];
    }
}

void GuiFileBrowser::SetFocus(int f)
{
    LOCK( this );
    focus = f;

    for (int i = 0; i < FILEBROWSERSIZE; i++)
        fileList[i]->ResetState();

    if (f == 1)
        fileList[selectedItem]->SetState(STATE_SELECTED);
}

void GuiFileBrowser::DisableTriggerUpdate(bool set)
{
    LOCK( this );
    triggerdisabled = set;
}

void GuiFileBrowser::ResetState()
{
    LOCK( this );
    state = STATE_DEFAULT;
    stateChan = -1;
    selectedItem = 0;

    for (int i = 0; i < FILEBROWSERSIZE; i++)
    {
        fileList[i]->ResetState();
    }
}

void GuiFileBrowser::UpdateList()
{
    LOCK( this );
	for (int i = 0; i < FILEBROWSERSIZE; i++)
	{
		if (browser->pageIndex + i < (int) browser->browserList.size())
		{
			if (fileList[i]->GetState() == STATE_DISABLED)
			    fileList[i]->SetState(STATE_DEFAULT);

			fileList[i]->SetVisible(true);

			fileListText[i]->SetText(browser->browserList[browser->pageIndex + i].displayname);
			fileListTextOver[i]->SetText(browser->browserList[browser->pageIndex + i].displayname);

			if (browser->browserList[browser->pageIndex + i].isdir) // directory
			{
				fileList[i]->SetIcon(fileListFolder[i]);
				fileListText[i]->SetPosition(30, 0);
				fileListTextOver[i]->SetPosition(30, 0);
			}
			else
			{
				fileList[i]->SetIcon(NULL);
				fileListText[i]->SetPosition(10, 0);
				fileListTextOver[i]->SetPosition(10, 0);
			}
		}
		else
		{
			fileList[i]->SetVisible(false);
			fileList[i]->SetState(STATE_DISABLED);
		}
	}
}

void GuiFileBrowser::onListChange(int SelItem, int SelInd)
{
    selectedItem = SelItem;
    browser->pageIndex = SelInd;
    UpdateList();
}

/**
 * Draw the button on screen
 */
void GuiFileBrowser::Draw()
{
    LOCK( this );
    if (!this->IsVisible()) return;

    bgFileSelectionImg->Draw();

    for (int i = 0; i < FILEBROWSERSIZE; i++)
    {
        fileList[i]->Draw();
    }

    if(browser->browserList.size() > FILEBROWSERSIZE)
        scrollBar.Draw();

    this->UpdateEffects();
}

void GuiFileBrowser::Update(GuiTrigger * t)
{
    LOCK( this );
    if (state == STATE_DISABLED || !t || triggerdisabled)
        return;

    static int pressedChan = -1;

    if((t->wpad.btns_d & (WPAD_BUTTON_B | WPAD_BUTTON_DOWN | WPAD_BUTTON_UP | WPAD_BUTTON_LEFT | WPAD_BUTTON_RIGHT |
                          WPAD_CLASSIC_BUTTON_B | WPAD_CLASSIC_BUTTON_UP | WPAD_CLASSIC_BUTTON_DOWN | WPAD_CLASSIC_BUTTON_LEFT | WPAD_CLASSIC_BUTTON_RIGHT)) ||
       (t->pad.btns_d & (PAD_BUTTON_UP | PAD_BUTTON_DOWN)))
        pressedChan = t->chan;

    if(browser->browserList.size() > FILEBROWSERSIZE)
        scrollBar.Update(t);

    if(pressedChan == -1 || (!t->wpad.btns_h && !t->pad.btns_h))
    {
        for (int i = 0; i < FILEBROWSERSIZE; i++)
        {
            if (i != selectedItem && fileList[i]->GetState() == STATE_SELECTED)
                fileList[i]->ResetState();
            else if (i == selectedItem && fileList[i]->GetState() == STATE_DEFAULT)
                fileList[selectedItem]->SetState(STATE_SELECTED, -1);

            fileList[i]->Update(t);

            if (fileList[i]->GetState() == STATE_SELECTED)
                selectedItem = i;
        }
    }


    if(pressedChan == t->chan && !t->wpad.btns_d && !t->wpad.btns_h)
        pressedChan = -1;

    scrollBar.SetPageSize(FILEBROWSERSIZE);
    scrollBar.SetSelectedItem(selectedItem);
    scrollBar.SetSelectedIndex(browser->pageIndex);
    scrollBar.SetEntrieCount(browser->browserList.size());
}