* Copyright 2019-2025, Haiku, Inc.
* Distributed under the terms of the MIT License.
*
* Authors:
* Preetpal Kaur <preetpalok123@gmail.com>
* Pawan Yerramilli <me@pawanyerramilli.com>
* Samuel Rodríguez Pérez <samuelrp84@gmail.com>
*/
#include "InputTouchpadPrefView.h"
#include <stdio.h>
#include <Alert.h>
#include <Box.h>
#include <Catalog.h>
#include <CheckBox.h>
#include <ControlLook.h>
#include <File.h>
#include <FindDirectory.h>
#include <Input.h>
#include <LayoutBuilder.h>
#include <Locale.h>
#include <MenuField.h>
#include <MenuItem.h>
#include <Message.h>
#include <Path.h>
#include <Screen.h>
#include <SeparatorView.h>
#include <SpaceLayoutItem.h>
#include <Window.h>
#include <keyboard_mouse_driver.h>
const uint32 SCROLL_X_DRAG = 'sxdr';
const uint32 SCROLL_Y_DRAG = 'sydr';
#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "TouchpadPrefView"
TouchpadView::TouchpadView(BRect frame)
:
BView(frame, "TouchpadView", B_FOLLOW_NONE, B_WILL_DRAW)
{
fXTracking = false;
fYTracking = false;
fOffScreenView = NULL;
fOffScreenBitmap = NULL;
fPrefRect = frame;
fPadRect = fPrefRect;
fPadRect.InsetBy(10, 10);
fXScrollRange = fPadRect.Width();
fYScrollRange = fPadRect.Height();
}
TouchpadView::~TouchpadView()
{
delete fOffScreenBitmap;
}
void
TouchpadView::Draw(BRect updateRect)
{
DrawSliders();
}
void
TouchpadView::MouseDown(BPoint point)
{
if (fXScrollDragZone.Contains(point)) {
fXTracking = true;
fOldXScrollRange = fXScrollRange;
SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
}
if (fYScrollDragZone.Contains(point)) {
fYTracking = true;
fOldYScrollRange = fYScrollRange;
SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
}
}
void
TouchpadView::MouseUp(BPoint point)
{
if (!fXTracking && !fYTracking)
return;
fXTracking = false;
fYTracking = false;
const float kSoftScrollLimit = 0.7;
int32 result = 0;
if (GetRightScrollRatio() > kSoftScrollLimit
|| GetBottomScrollRatio() > kSoftScrollLimit) {
BAlert* alert = new BAlert(B_TRANSLATE("Please confirm"),
B_TRANSLATE(
"The new scroll area is very large and may impede "
"normal mouse operation. Do you really want to change it?"),
B_TRANSLATE("OK"), B_TRANSLATE("Cancel"), NULL, B_WIDTH_AS_USUAL,
B_WARNING_ALERT);
alert->SetShortcut(1, B_ESCAPE);
result = alert->Go();
}
if (result == 0) {
BMessage msg(SCROLL_AREA_CHANGED);
Invoke(&msg);
} else {
if (GetRightScrollRatio() > kSoftScrollLimit)
fXScrollRange = fOldXScrollRange;
if (GetBottomScrollRatio() > kSoftScrollLimit)
fYScrollRange = fOldYScrollRange;
DrawSliders();
}
}
void
TouchpadView::AttachedToWindow()
{
if (!fOffScreenView)
fOffScreenView = new BView(Bounds(), "", B_FOLLOW_ALL, B_WILL_DRAW);
if (!fOffScreenBitmap) {
fOffScreenBitmap = new BBitmap(Bounds(), B_CMAP8, true, false);
if (fOffScreenBitmap && fOffScreenView)
fOffScreenBitmap->AddChild(fOffScreenView);
}
}
void
TouchpadView::SetValues(float rightRange, float bottomRange)
{
fXScrollRange = fPadRect.Width() * (1 - rightRange);
fYScrollRange = fPadRect.Height() * (1 - bottomRange);
Invalidate();
}
void
TouchpadView::GetPreferredSize(float* width, float* height)
{
if (width != NULL)
*width = fPrefRect.Width();
if (height != NULL)
*height = fPrefRect.Height();
}
void
TouchpadView::MouseMoved(BPoint point, uint32 transit, const BMessage* message)
{
if (fXTracking) {
if (point.x > fPadRect.right)
fXScrollRange = fPadRect.Width();
else if (point.x < fPadRect.left)
fXScrollRange = 0;
else
fXScrollRange = point.x - fPadRect.left;
DrawSliders();
}
if (fYTracking) {
if (point.y > fPadRect.bottom)
fYScrollRange = fPadRect.Height();
else if (point.y < fPadRect.top)
fYScrollRange = 0;
else
fYScrollRange = point.y - fPadRect.top;
DrawSliders();
}
}
void
TouchpadView::DrawSliders()
{
BView* view = fOffScreenView != NULL ? fOffScreenView : this;
if (!LockLooper())
return;
if (fOffScreenBitmap->Lock()) {
view->SetHighColor(ui_color(B_PANEL_BACKGROUND_COLOR));
view->FillRect(Bounds());
view->SetHighColor(100, 100, 100);
view->FillRoundRect(fPadRect, 4, 4);
int32 dragSize = 3;
view->SetHighColor(145, 100, 100);
BRect rightRect(fPadRect.left + fXScrollRange, fPadRect.top,
fPadRect.right, fPadRect.bottom);
view->FillRoundRect(rightRect, 4, 4);
BRect bottomRect(fPadRect.left, fPadRect.top + fYScrollRange,
fPadRect.right, fPadRect.bottom);
view->FillRoundRect(bottomRect, 4, 4);
view->SetHighColor(100, 100, 100);
view->SetPenSize(2);
view->StrokeRoundRect(fPadRect, 4, 4);
view->SetHighColor(200, 0, 0);
view->StrokeLine(BPoint(fPadRect.left + fXScrollRange, fPadRect.top),
BPoint(fPadRect.left + fXScrollRange, fPadRect.bottom));
fXScrollDragZone = BRect(fPadRect.left + fXScrollRange - dragSize,
fPadRect.top - dragSize, fPadRect.left + fXScrollRange + dragSize,
fPadRect.bottom + dragSize);
BRect xscrollDragZone1 = BRect(fPadRect.left + fXScrollRange - dragSize,
fPadRect.top - dragSize, fPadRect.left + fXScrollRange + dragSize,
fPadRect.top + dragSize);
view->FillRect(xscrollDragZone1);
BRect xscrollDragZone2 = BRect(fPadRect.left + fXScrollRange - dragSize,
fPadRect.bottom - dragSize,
fPadRect.left + fXScrollRange + dragSize,
fPadRect.bottom + dragSize);
view->FillRect(xscrollDragZone2);
view->StrokeLine(BPoint(fPadRect.left, fPadRect.top + fYScrollRange),
BPoint(fPadRect.right, fPadRect.top + fYScrollRange));
fYScrollDragZone = BRect(fPadRect.left - dragSize,
fPadRect.top + fYScrollRange - dragSize, fPadRect.right + dragSize,
fPadRect.top + fYScrollRange + dragSize);
BRect yscrollDragZone1 = BRect(fPadRect.left - dragSize,
fPadRect.top + fYScrollRange - dragSize, fPadRect.left + dragSize,
fPadRect.top + fYScrollRange + dragSize);
view->FillRect(yscrollDragZone1);
BRect yscrollDragZone2 = BRect(fPadRect.right - dragSize,
fPadRect.top + fYScrollRange - dragSize, fPadRect.right + dragSize,
fPadRect.top + fYScrollRange + dragSize);
view->FillRect(yscrollDragZone2);
view->Sync();
fOffScreenBitmap->Unlock();
DrawBitmap(fOffScreenBitmap, B_ORIGIN);
}
UnlockLooper();
}
TouchpadPrefView::TouchpadPrefView(BInputDevice* dev)
:
BGroupView(),
fTouchpadPref(dev)
{
SetupView();
SetValues(&fTouchpadPref.Settings());
}
TouchpadPrefView::~TouchpadPrefView()
{
}
void
TouchpadPrefView::MessageReceived(BMessage* message)
{
touchpad_settings& settings = fTouchpadPref.Settings();
switch (message->what) {
case SCROLL_AREA_CHANGED:
settings.scroll_rightrange = fTouchpadView->GetRightScrollRatio();
settings.scroll_bottomrange = fTouchpadView->GetBottomScrollRatio();
fRevertButton->SetEnabled(true);
fTouchpadPref.UpdateRunningSettings();
break;
case SCROLL_CONTROL_CHANGED:
settings.scroll_reverse = fScrollReverseBox->Value() == B_CONTROL_ON;
settings.scroll_twofinger = fTwoFingerBox->Value() == B_CONTROL_ON;
settings.scroll_twofinger_horizontal
= fTwoFingerHorizontalBox->Value() == B_CONTROL_ON;
settings.scroll_acceleration = fScrollAccelSlider->Value();
settings.scroll_xstepsize = (20 - fScrollStepXSlider->Value()) * 3;
settings.scroll_ystepsize = (20 - fScrollStepYSlider->Value()) * 3;
fTwoFingerHorizontalBox->SetEnabled(settings.scroll_twofinger);
fRevertButton->SetEnabled(true);
fTouchpadPref.UpdateRunningSettings();
break;
case TAP_CONTROL_CHANGED:
settings.tapgesture_sensibility = fTapSlider->Value();
fRevertButton->SetEnabled(true);
fTouchpadPref.UpdateRunningSettings();
break;
case PADBLOCK_TIME_CHANGED:
settings.padblocker_threshold = fPadBlockerSlider->Value();
if (settings.padblocker_threshold == 1000)
settings.padblocker_threshold = 0;
fRevertButton->SetEnabled(true);
fTouchpadPref.UpdateRunningSettings();
break;
case PAD_SPEED_CHANGED:
{
fTouchpadPref.SetSpeed(fSpeedSlider->Value());
fRevertButton->SetEnabled(true);
break;
}
case PAD_ACCELERATION_CHANGED:
{
fTouchpadPref.SetAcceleration(fAccelSlider->Value());
fRevertButton->SetEnabled(true);
break;
}
case DEFAULT_SETTINGS:
fTouchpadPref.Defaults();
fRevertButton->SetEnabled(true);
fTouchpadPref.UpdateRunningSettings();
SetValues(&settings);
break;
case REVERT_SETTINGS:
fTouchpadPref.Revert();
fTouchpadPref.UpdateRunningSettings();
fRevertButton->SetEnabled(false);
SetValues(&settings);
break;
default:
BView::MessageReceived(message);
}
}
void
TouchpadPrefView::AttachedToWindow()
{
fTouchpadView->SetTarget(this);
fScrollReverseBox->SetTarget(this);
fTwoFingerBox->SetTarget(this);
fTwoFingerHorizontalBox->SetTarget(this);
fScrollStepXSlider->SetTarget(this);
fScrollStepYSlider->SetTarget(this);
fScrollAccelSlider->SetTarget(this);
fPadBlockerSlider->SetTarget(this);
fTapSlider->SetTarget(this);
fSpeedSlider->SetTarget(this);
fAccelSlider->SetTarget(this);
fDefaultButton->SetTarget(this);
fRevertButton->SetTarget(this);
BSize size = PreferredSize();
Window()->ResizeTo(size.width, size.height);
BPoint position = fTouchpadPref.WindowPosition();
if (position.x < 0 && position.y < 0)
Window()->CenterOnScreen();
else
Window()->MoveTo(position);
}
void
TouchpadPrefView::DetachedFromWindow()
{
fTouchpadPref.SetWindowPosition(Window()->Frame().LeftTop());
}
void
TouchpadPrefView::SetupView()
{
SetLayout(new BGroupLayout(B_VERTICAL));
BBox* scrollBox = new BBox("Touchpad");
scrollBox->SetLabel(B_TRANSLATE("Scrolling"));
fTouchpadView = new TouchpadView(BRect(0, 0, 130, 120));
fTouchpadView->SetExplicitMaxSize(BSize(130, 120));
fScrollAccelSlider = new BSlider("scroll_accel",
B_TRANSLATE("Acceleration"),
new BMessage(SCROLL_CONTROL_CHANGED), 0, 20, B_HORIZONTAL);
fScrollAccelSlider->SetHashMarks(B_HASH_MARKS_BOTTOM);
fScrollAccelSlider->SetHashMarkCount(7);
fScrollAccelSlider->SetLimitLabels(
B_TRANSLATE("Low"), B_TRANSLATE("High"));
fScrollAccelSlider->SetExplicitMinSize(BSize(150, B_SIZE_UNSET));
fScrollStepXSlider = new BSlider("scroll_stepX", B_TRANSLATE("Horizontal"),
new BMessage(SCROLL_CONTROL_CHANGED), 0, 20, B_HORIZONTAL);
fScrollStepXSlider->SetHashMarks(B_HASH_MARKS_BOTTOM);
fScrollStepXSlider->SetHashMarkCount(7);
fScrollStepXSlider->SetLimitLabels(
B_TRANSLATE("Slow"), B_TRANSLATE("Fast"));
fScrollStepYSlider = new BSlider("scroll_stepY", B_TRANSLATE("Vertical"),
new BMessage(SCROLL_CONTROL_CHANGED), 0, 20, B_HORIZONTAL);
fScrollStepYSlider->SetHashMarks(B_HASH_MARKS_BOTTOM);
fScrollStepYSlider->SetHashMarkCount(7);
fScrollStepYSlider->SetLimitLabels(
B_TRANSLATE("Slow"), B_TRANSLATE("Fast"));
fPadBlockerSlider
= new BSlider("padblocker", B_TRANSLATE("Keyboard lock delay"),
new BMessage(PADBLOCK_TIME_CHANGED), 5, 1000, B_HORIZONTAL);
fPadBlockerSlider->SetHashMarks(B_HASH_MARKS_BOTTOM);
fPadBlockerSlider->SetHashMarkCount(10);
fPadBlockerSlider->SetLimitLabels(
B_TRANSLATE("Quick"), B_TRANSLATE("Never"));
fScrollReverseBox = new BCheckBox(B_TRANSLATE("Reverse scroll direction"),
new BMessage(SCROLL_CONTROL_CHANGED));
fTwoFingerBox = new BCheckBox(B_TRANSLATE("Two finger scrolling"),
new BMessage(SCROLL_CONTROL_CHANGED));
fTwoFingerHorizontalBox = new BCheckBox(B_TRANSLATE("Horizontal scrolling"),
new BMessage(SCROLL_CONTROL_CHANGED));
float spacing = be_control_look->DefaultItemSpacing();
BView* scrollPrefLeftLayout
= BLayoutBuilder::Group<>(B_VERTICAL, 0)
.Add(fTouchpadView)
.AddStrut(spacing)
.Add(fScrollReverseBox)
.Add(fTwoFingerBox)
.AddGroup(B_HORIZONTAL, 0)
.AddStrut(spacing * 2)
.Add(fTwoFingerHorizontalBox)
.End()
.AddGlue()
.View();
BGroupView* scrollPrefRightLayout = new BGroupView(B_VERTICAL);
scrollPrefRightLayout->AddChild(fScrollAccelSlider);
scrollPrefRightLayout->AddChild(fScrollStepXSlider);
scrollPrefRightLayout->AddChild(fScrollStepYSlider);
BGroupLayout* scrollPrefLayout = new BGroupLayout(B_HORIZONTAL);
scrollPrefLayout->SetSpacing(spacing);
scrollPrefLayout->SetInsets(
spacing, scrollBox->TopBorderOffset() * 2 + spacing, spacing, spacing);
scrollBox->SetLayout(scrollPrefLayout);
scrollPrefLayout->AddView(scrollPrefLeftLayout);
scrollPrefLayout->AddItem(
BSpaceLayoutItem::CreateVerticalStrut(spacing * 1.5));
scrollPrefLayout->AddView(scrollPrefRightLayout);
fTapSlider = new BSlider("tap_sens", B_TRANSLATE("Tapping sensitivity"),
new BMessage(TAP_CONTROL_CHANGED), 0, 50, B_HORIZONTAL);
fTapSlider->SetHashMarks(B_HASH_MARKS_BOTTOM);
fTapSlider->SetHashMarkCount(11);
fTapSlider->SetLimitLabels(B_TRANSLATE("Off"), B_TRANSLATE("High"));
fSpeedSlider = new BSlider("pad_speed", B_TRANSLATE("Trackpad speed"),
new BMessage(PAD_SPEED_CHANGED), 0, 1000, B_HORIZONTAL);
fSpeedSlider->SetHashMarks(B_HASH_MARKS_BOTTOM);
fSpeedSlider->SetHashMarkCount(7);
fSpeedSlider->SetLimitLabels(B_TRANSLATE("Slow"), B_TRANSLATE("Fast"));
fAccelSlider = new BSlider("pad_accel", B_TRANSLATE("Trackpad acceleration"),
new BMessage(PAD_ACCELERATION_CHANGED), 0, 1000, B_HORIZONTAL);
fAccelSlider->SetHashMarks(B_HASH_MARKS_BOTTOM);
fAccelSlider->SetHashMarkCount(7);
fAccelSlider->SetLimitLabels(B_TRANSLATE("Low"), B_TRANSLATE("High"));
fDefaultButton
= new BButton(B_TRANSLATE("Defaults"), new BMessage(DEFAULT_SETTINGS));
fRevertButton
= new BButton(B_TRANSLATE("Revert"), new BMessage(REVERT_SETTINGS));
fRevertButton->SetEnabled(false);
BLayoutBuilder::Group<>(this, B_VERTICAL)
.SetInsets(B_USE_WINDOW_SPACING)
.Add(scrollBox)
.AddGroup(B_HORIZONTAL, B_USE_DEFAULT_SPACING)
.AddGroup(B_VERTICAL, B_USE_DEFAULT_SPACING)
.Add(fTapSlider)
.Add(fPadBlockerSlider)
.End()
.Add(new BSeparatorView(B_VERTICAL))
.AddGroup(B_VERTICAL, B_USE_DEFAULT_SPACING)
.Add(fSpeedSlider)
.Add(fAccelSlider)
.End()
.End()
.Add(new BSeparatorView(B_HORIZONTAL))
.AddGroup(B_HORIZONTAL)
.Add(fDefaultButton)
.Add(fRevertButton)
.AddGlue()
.End()
.End();
}
void
TouchpadPrefView::SetValues(touchpad_settings* settings)
{
fTouchpadView->SetValues(settings->scroll_rightrange, settings->scroll_bottomrange);
fScrollReverseBox->SetValue(settings->scroll_reverse ? B_CONTROL_ON : B_CONTROL_OFF);
fTwoFingerBox->SetValue(settings->scroll_twofinger ? B_CONTROL_ON : B_CONTROL_OFF);
fTwoFingerHorizontalBox->SetValue(
settings->scroll_twofinger_horizontal ? B_CONTROL_ON : B_CONTROL_OFF);
fTwoFingerHorizontalBox->SetEnabled(settings->scroll_twofinger);
fScrollStepXSlider->SetValue(20 - settings->scroll_xstepsize / 2);
fScrollStepYSlider->SetValue(20 - settings->scroll_ystepsize / 2);
fScrollAccelSlider->SetValue(settings->scroll_acceleration);
fTapSlider->SetValue(settings->tapgesture_sensibility);
fPadBlockerSlider->SetValue(settings->padblocker_threshold);
int32 value = int32((log(settings->trackpad_speed / 8192.0) / log(2)) * 1000 / 6);
fSpeedSlider->SetValue(value);
value = int32(sqrt(settings->trackpad_acceleration / 16384.0) * 1000 / 4);
fAccelSlider->SetValue(value);
}
