/*
 * Copyright 2019, Haiku, Inc.
 * Distributed under the terms of the MIT License.
 *
 * Author:
 *              Preetpal Kaur <preetpalok123@gmail.com>
 */


#include "InputKeyboard.h"

#include <Box.h>
#include <Button.h>
#include <Catalog.h>
#include <LayoutBuilder.h>
#include <Locale.h>
#include <Message.h>
#include <SeparatorView.h>
#include <Slider.h>
#include <TextControl.h>

#include "InputConstants.h"
#include "KeyboardView.h"

#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "InputKeyboard"


InputKeyboard::InputKeyboard(BInputDevice* dev)
        :
        BView("InputKeyboard", B_WILL_DRAW)
{
        // Add the main settings view
        fSettingsView = new KeyboardView();

        // Add the "Default" button..
        fDefaultsButton = new BButton(B_TRANSLATE("Defaults"),
        new BMessage(kMsgDefaults));

        // Add the "Revert" button...
        fRevertButton = new BButton(B_TRANSLATE("Revert"),
        new BMessage(kMsgRevert));
        fRevertButton->SetEnabled(false);

        // Build the layout
        BLayoutBuilder::Group<>(this, B_VERTICAL)
                .AddGroup(B_HORIZONTAL)
                        .SetInsets(B_USE_WINDOW_SPACING, B_USE_WINDOW_SPACING,
                                B_USE_WINDOW_SPACING, 0)
                        .Add(fSettingsView)
                        .End()
                .Add(new BSeparatorView(B_HORIZONTAL))
                .AddGroup(B_HORIZONTAL)
                        .Add(fDefaultsButton)
                        .Add(fRevertButton)
                        .AddGlue()
                        .End();

        BSlider* slider = (BSlider*)FindView("key_repeat_rate");
        if (slider != NULL)
                slider->SetValue(fSettings.KeyboardRepeatRate());

        slider = (BSlider*)FindView("delay_until_key_repeat");
        if (slider != NULL)
                slider->SetValue(fSettings.KeyboardRepeatDelay());

        fDefaultsButton->SetEnabled(fSettings.IsDefaultable());
}


void
InputKeyboard::MessageReceived(BMessage* message)
{
        BSlider* slider = NULL;

        switch (message->what) {
                case kMsgDefaults:
                {
                        fSettings.Defaults();

                        slider = (BSlider*)FindView("key_repeat_rate");
                        if (slider != NULL)
                                slider->SetValue(fSettings.KeyboardRepeatRate());

                        slider = (BSlider*)FindView("delay_until_key_repeat");
                        if (slider != NULL)
                                slider->SetValue(fSettings.KeyboardRepeatDelay());

                        fDefaultsButton->SetEnabled(false);

                        fRevertButton->SetEnabled(true);
                        break;
                }
                case kMsgRevert:
                {
                        fSettings.Revert();

                        slider = (BSlider*)FindView("key_repeat_rate");
                        if (slider != NULL)
                                slider->SetValue(fSettings.KeyboardRepeatRate());

                        slider = (BSlider*)FindView("delay_until_key_repeat");
                        if (slider != NULL)
                                slider->SetValue(fSettings.KeyboardRepeatDelay());

                        fDefaultsButton->SetEnabled(fSettings.IsDefaultable());

                        fRevertButton->SetEnabled(false);
                        break;
                }
                case kMsgSliderrepeatrate:
                {
                        int32 rate;
                        if (message->FindInt32("be:value", &rate) != B_OK)
                                break;
                        fSettings.SetKeyboardRepeatRate(rate);

                        fDefaultsButton->SetEnabled(fSettings.IsDefaultable());

                        fRevertButton->SetEnabled(true);
                        break;
                }
                case kMsgSliderdelayrate:
                {
                        int32 delay;
                        if (message->FindInt32("be:value", &delay) != B_OK)
                                break;

                        // We need to look at the value from the slider and make it "jump"
                        // to the next notch along. Setting the min and max values of the
                        // slider to 1 and 4 doesn't work like the real Keyboard app.
                        if (delay < 375000)
                                delay = 250000;
                        if (delay >= 375000 && delay < 625000)
                                delay = 500000;
                        if (delay >= 625000 && delay < 875000)
                                delay = 750000;
                        if (delay >= 875000)
                                delay = 1000000;

                        fSettings.SetKeyboardRepeatDelay(delay);

                        slider = (BSlider*)FindView("delay_until_key_repeat");
                        if (slider != NULL)
                                slider->SetValue(delay);

                        fDefaultsButton->SetEnabled(fSettings.IsDefaultable());

                        fRevertButton->SetEnabled(true);
                        break;
                }
                default:
                        BView::MessageReceived(message);
        }
}