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Win8/10: Add support to draw with one finger, pan/scroll with two

Browse Source 
https://community.aseprite.org/t/using-touchscreen-computers-to-draw-in-aseprite/677
This commit is contained in:
David Capello 2018-06-19 10:59:12 -03:00
parent 650c4eeeaa
commit 5d763d108c
12 changed files with 268 additions and 17 deletions
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1
data/pref.xml
View File

@ -154,6 +154,7 @@
<section id="experimental" text="Experimental">
<option id="use_native_clipboard" type="bool" default="true" />
<option id="use_native_file_dialog" type="bool" default="false" />
<option id="one_finger_as_mouse_movement" type="bool" default="true" />
<option id="flash_layer" type="bool" default="false" migrate="Options.FlashLayer" />
<option id="nonactive_layers_opacity" type="int" default="255" />
</section>

9
data/strings/en.ini
View File

@ -1014,6 +1014,15 @@ open_extension_folder = Open &Folder
user_interface = User Interface
native_clipboard = Use native clipboard
native_file_dialog = Use native file dialog
one_finger_as_mouse_movement = Interpret one finger as mouse movement
one_finger_as_mouse_movement_tooltip = <<<END
Only for Windows 8/10 tablets: Interprets one finger as mouse movement
and two fingers as pan/scroll. Uncheck this to use the old behavior:
One finger pans/scrolls.
This option is available just to get the old behavior but
will be removed in future versions.
END
flash_selected_layer = Flash layer when it is selected
non_active_layer_opacity = Opacity for non-active layers:
ok = &OK

6
data/widgets/options.xml
View File

@ -363,8 +363,12 @@
<separator text="@.user_interface" horizontal="true" />
<check id="native_clipboard" text="@.native_clipboard" />
<check id="native_file_dialog" text="@.native_file_dialog" />
<check id="one_finger_as_mouse_movement"
text="@.one_finger_as_mouse_movement"
tooltip="@.one_finger_as_mouse_movement_tooltip"
pref="experimental.one_finger_as_mouse_movement" />
<check id="flash_layer" text="@.flash_selected_layer" />
<hbox>
<hbox>
<label text="@.non_active_layer_opacity" />
<slider id="nonactive_layers_opacity" min="0" max="255" width="128" />
</hbox>

7
src/app/app.cpp
View File

@ -278,6 +278,13 @@ void App::run()
#ifdef ENABLE_UI
// Run the GUI
if (isGui()) {
#ifdef _WIN32
// How to interpret one finger on Windows tablets.
ui::Manager::getDefault()->getDisplay()
->setInterpretOneFingerGestureAsMouseMovement(
Preferences::instance().experimental.oneFingerAsMouseMovement());
#endif
#if !defined(_WIN32) && !defined(__APPLE__)
// Setup app icon for Linux window managers
try {

10
src/app/commands/cmd_options.cpp
View File

@ -244,6 +244,10 @@ public:
if (m_pref.experimental.useNativeFileDialog())
nativeFileDialog()->setSelected(true);
#ifndef _WIN32
oneFingerAsMouseMovement()->setVisible(false);
#endif
if (m_pref.experimental.flashLayer())
flashLayer()->setSelected(true);
@ -479,6 +483,12 @@ public:
m_pref.experimental.flashLayer(flashLayer()->isSelected());
m_pref.experimental.nonactiveLayersOpacity(nonactiveLayersOpacity()->getValue());
#ifdef _WIN32
manager()->getDisplay()
->setInterpretOneFingerGestureAsMouseMovement(
oneFingerAsMouseMovement()->isSelected());
#endif
ui::set_use_native_cursors(m_pref.cursor.useNativeCursor());
ui::set_mouse_cursor_scale(m_pref.cursor.cursorScale());

5
src/she/alleg4/alleg_display.cpp
View File

@ -730,6 +730,11 @@ void Alleg4Display::setLayout(const std::string& layout)
#endif
}
void Alleg4Display::setInterpretOneFingerGestureAsMouseMovement(bool state)
{
// Do nothing
}
void* Alleg4Display::nativeHandle()
{
#ifdef _WIN32

3
src/she/alleg4/alleg_display.h
View File

@ -1,5 +1,5 @@
// SHE library
// Copyright (C) 2012-2017 David Capello
// Copyright (C) 2012-2018 David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.
@ -44,6 +44,7 @@ namespace she {
void releaseMouse() override;
std::string getLayout() override;
void setLayout(const std::string& layout) override;
void setInterpretOneFingerGestureAsMouseMovement(bool state) override;
void* nativeHandle() override;
private:

8
src/she/display.h
View File

@ -1,5 +1,5 @@
// SHE library
// Copyright (C) 2012-2017 David Capello
// Copyright (C) 2012-2018 David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.
@ -71,6 +71,12 @@ namespace she {
virtual std::string getLayout() = 0;
virtual void setLayout(const std::string& layout) = 0;
// For Windows 8/10 only in tablet devices: Set to true if you
// want to interpret one finger as the mouse movement and two
// fingers as pan/scroll (true by default). If you want to pan
// with one finger, call this function with false.
virtual void setInterpretOneFingerGestureAsMouseMovement(bool state) = 0;
// Returns the HWND on Windows.
virtual DisplayHandle nativeHandle() = 0;
};

7
src/she/skia/skia_display.cpp
View File

@ -1,5 +1,5 @@
// SHE library
// Copyright (C) 2012-2017 David Capello
// Copyright (C) 2012-2018 David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.
@ -185,6 +185,11 @@ void SkiaDisplay::setLayout(const std::string& layout)
m_window.setLayout(layout);
}
void SkiaDisplay::setInterpretOneFingerGestureAsMouseMovement(bool state)
{
m_window.setInterpretOneFingerGestureAsMouseMovement(state);
}
void SkiaDisplay::setTranslateDeadKeys(bool state)
{
m_window.setTranslateDeadKeys(state);

4
src/she/skia/skia_display.h
View File

@ -1,5 +1,5 @@
// SHE library
// Copyright (C) 2012-2017 David Capello
// Copyright (C) 2012-2018 David Capello
//
// This file is released under the terms of the MIT license.
// Read LICENSE.txt for more information.
@ -61,6 +61,8 @@ public:
std::string getLayout() override;
void setLayout(const std::string& layout) override;
void setInterpretOneFingerGestureAsMouseMovement(bool state) override;
void setTranslateDeadKeys(bool state);
// Returns the HWND on Windows.

187
src/she/win/window.cpp
View File

@ -29,6 +29,9 @@
#define KEY_TRACE(...)
#define MOUSE_TRACE(...)
#define TOUCH_TRACE(...)
#define kFingerAsMouseTimeout 50
// Gets the window client are in absolute/screen coordinates
#define ABS_CLIENT_RC(rc) \
@ -59,6 +62,14 @@ static PointerType wt_packet_pkcursor_to_pointer_type(int pkCursor)
return PointerType::Unknown;
}
WinWindow::Touch::Touch()
: fingers(0)
, canBeMouse(false)
, asMouse(false)
, timerID(0)
{
}
WinWindow::WinWindow(int width, int height, int scale)
: m_hwnd(nullptr)
, m_hcursor(nullptr)
@ -74,6 +85,8 @@ WinWindow::WinWindow(int width, int height, int scale)
, m_lastPointerId(0)
, m_ictx(nullptr)
, m_ignoreRandomMouseEvents(0)
// True by default, we prefer to interpret one finger as mouse movement
, m_touch(new Touch)
#if SHE_USE_POINTER_API_FOR_MOUSE
, m_emulateDoubleClick(false)
, m_doubleClickMsecs(GetDoubleClickTime())
@ -472,6 +485,19 @@ void WinWindow::setTranslateDeadKeys(bool state)
}
}
void WinWindow::setInterpretOneFingerGestureAsMouseMovement(bool state)
{
if (state) {
if (!m_touch)
m_touch = new Touch;
}
else if (m_touch) {
killTouchTimer();
delete m_touch;
m_touch = nullptr;
}
}
bool WinWindow::setCursor(HCURSOR hcursor, bool custom)
{
SetCursor(hcursor);
@ -795,8 +821,21 @@ LRESULT WinWindow::wndProc(UINT msg, WPARAM wparam, LPARAM lparam)
if (pi.pointerType == PT_TOUCH || pi.pointerType == PT_PEN) {
auto& winApi = system()->winApi();
if (m_ictx && winApi.AddPointerInteractionContext)
if (m_ictx && winApi.AddPointerInteractionContext) {
winApi.AddPointerInteractionContext(m_ictx, pi.pointerId);
if (m_touch && pi.pointerType == PT_TOUCH &&
!m_touch->asMouse) {
++m_touch->fingers;
TOUCH_TRACE("POINTERENTER fingers=%d\n", m_touch->fingers);
if (m_touch->fingers == 1) {
waitTimerToConvertFingerAsMouseMovement();
}
else if (m_touch->canBeMouse && m_touch->fingers >= 2) {
delegateFingerToInteractionContext();
}
}
}
}
if (!m_hasMouse) {
@ -817,12 +856,33 @@ LRESULT WinWindow::wndProc(UINT msg, WPARAM wparam, LPARAM lparam)
break;
MOUSE_TRACE("POINTERLEAVE id=%d\n", pi.pointerId);
m_ignoreRandomMouseEvents = 0;
// After releasing a finger a WM_MOUSEMOVE event in the trackpad
// position is generated, we'll ignore that message.
if (m_touch)
m_ignoreRandomMouseEvents = 1;
else
m_ignoreRandomMouseEvents = 0;
if (pi.pointerType == PT_TOUCH || pi.pointerType == PT_PEN) {
auto& winApi = system()->winApi();
if (m_ictx && winApi.RemovePointerInteractionContext)
if (m_ictx && winApi.RemovePointerInteractionContext) {
winApi.RemovePointerInteractionContext(m_ictx, pi.pointerId);
if (m_touch && pi.pointerType == PT_TOUCH) {
if (m_touch->fingers > 0)
--m_touch->fingers;
TOUCH_TRACE("POINTERLEAVE fingers=%d\n", m_touch->fingers);
if (m_touch->fingers == 0) {
if (m_touch->canBeMouse)
sendDelayedTouchEvents();
else
clearDelayedTouchEvents();
killTouchTimer();
m_touch->asMouse = false;
}
}
}
}
#if 0 // Don't generate MouseLeave from pen/touch messages
@ -851,7 +911,7 @@ LRESULT WinWindow::wndProc(UINT msg, WPARAM wparam, LPARAM lparam)
auto& winApi = system()->winApi();
if (m_ictx && winApi.ProcessPointerFramesInteractionContext) {
winApi.ProcessPointerFramesInteractionContext(m_ictx, 1, 1, &pi);
if (pi.pointerType == PT_TOUCH)
if (!m_touch && pi.pointerType == PT_TOUCH)
return 0;
}
}
@ -874,7 +934,7 @@ LRESULT WinWindow::wndProc(UINT msg, WPARAM wparam, LPARAM lparam)
auto& winApi = system()->winApi();
if (m_ictx && winApi.ProcessPointerFramesInteractionContext) {
winApi.ProcessPointerFramesInteractionContext(m_ictx, 1, 1, &pi);
if (pi.pointerType == PT_TOUCH)
if (!m_touch && pi.pointerType == PT_TOUCH)
return 0;
}
}
@ -901,7 +961,7 @@ LRESULT WinWindow::wndProc(UINT msg, WPARAM wparam, LPARAM lparam)
auto& winApi = system()->winApi();
if (m_ictx && winApi.ProcessPointerFramesInteractionContext) {
winApi.ProcessPointerFramesInteractionContext(m_ictx, 1, 1, &pi);
if (pi.pointerType == PT_TOUCH)
if (!m_touch && pi.pointerType == PT_TOUCH)
return 0;
}
}
@ -916,7 +976,22 @@ LRESULT WinWindow::wndProc(UINT msg, WPARAM wparam, LPARAM lparam)
}
ev.setType(Event::MouseMove);
queueEvent(ev);
if (m_touch && pi.pointerType == PT_TOUCH) {
TOUCH_TRACE("POINTERUPDATE canBeMouse=%d asMouse=%d\n",
m_touch->canBeMouse,
m_touch->asMouse);
if (!m_touch->asMouse) {
if (m_touch->canBeMouse)
m_touch->delayedEvents.push_back(ev);
else
return 0;
}
else
queueEvent(ev);
}
else
queueEvent(ev);
handlePointerButtonChange(ev, pi);
@ -956,6 +1031,25 @@ LRESULT WinWindow::wndProc(UINT msg, WPARAM wparam, LPARAM lparam)
return 0;
}
case WM_TIMER:
TOUCH_TRACE("TIMER %d\n", wparam);
if (m_touch && m_touch->timerID == wparam) {
killTouchTimer();
if (!m_touch->asMouse &&
m_touch->canBeMouse &&
m_touch->fingers == 1) {
TOUCH_TRACE("-> finger as mouse, sent %d events\n",
m_touch->delayedEvents.size());
convertFingerAsMouseMovement();
}
else {
delegateFingerToInteractionContext();
}
}
break;
// Keyboard Messages
case WM_SYSKEYDOWN:
@ -1272,6 +1366,20 @@ void WinWindow::handlePointerButtonChange(Event& ev, POINTER_INFO& pi)
}
#endif
if (m_touch && pi.pointerType == PT_TOUCH) {
if (!m_touch->asMouse) {
if (m_touch->canBeMouse) {
// TODO Review why the ui layer needs a Event::MouseMove event
// before ButtonDown/Up events.
Event evMouseMove = ev;
evMouseMove.setType(Event::MouseMove);
m_touch->delayedEvents.push_back(evMouseMove);
m_touch->delayedEvents.push_back(ev);
}
return;
}
}
queueEvent(ev);
}
@ -1288,11 +1396,15 @@ void WinWindow::handleInteractionContextOutput(
output->interactionFlags,
output->inputType);
// We use the InteractionContext to interpret touch gestures only and double tap with pen.
if ((output->inputType == PT_TOUCH) ||
(output->inputType == PT_PEN &&
output->interactionId == INTERACTION_ID_TAP &&
output->arguments.tap.count == 2)) {
// We use the InteractionContext to interpret touch gestures only
// and double tap with pen.
if ((output->inputType == PT_TOUCH
&& (!m_touch
|| (!m_touch->asMouse && !m_touch->canBeMouse)
|| (output->arguments.tap.count == 2)))
|| (output->inputType == PT_PEN &&
output->interactionId == INTERACTION_ID_TAP &&
output->arguments.tap.count == 2)) {
ABS_CLIENT_RC(rc);
gfx::Point pos(int((output->x - rc.left) / m_scale),
@ -1362,6 +1474,57 @@ void WinWindow::handleInteractionContextOutput(
}
}
void WinWindow::waitTimerToConvertFingerAsMouseMovement()
{
ASSERT(m_touch);
m_touch->canBeMouse = true;
clearDelayedTouchEvents();
SetTimer(m_hwnd, m_touch->timerID = 1,
kFingerAsMouseTimeout, nullptr);
TOUCH_TRACE(" - Set timer\n");
}
void WinWindow::convertFingerAsMouseMovement()
{
ASSERT(m_touch);
m_touch->asMouse = true;
sendDelayedTouchEvents();
}
void WinWindow::delegateFingerToInteractionContext()
{
ASSERT(m_touch);
m_touch->canBeMouse = false;
m_touch->asMouse = false;
clearDelayedTouchEvents();
if (m_touch->timerID > 0)
killTouchTimer();
}
void WinWindow::sendDelayedTouchEvents()
{
ASSERT(m_touch);
for (auto& ev : m_touch->delayedEvents)
queueEvent(ev);
clearDelayedTouchEvents();
}
void WinWindow::clearDelayedTouchEvents()
{
ASSERT(m_touch);
m_touch->delayedEvents.clear();
}
void WinWindow::killTouchTimer()
{
ASSERT(m_touch);
if (m_touch->timerID > 0) {
KillTimer(m_hwnd, m_touch->timerID);
m_touch->timerID = 0;
TOUCH_TRACE(" - Kill timer\n");
}
}
//static
void WinWindow::registerClass()
{

38
src/she/win/window.h
View File

@ -52,6 +52,7 @@ namespace she {
void setLayout(const std::string& layout);
void setTranslateDeadKeys(bool state);
void setInterpretOneFingerGestureAsMouseMovement(bool state);
HWND handle() { return m_hwnd; }
@ -64,6 +65,13 @@ namespace she {
void handleInteractionContextOutput(
const INTERACTION_CONTEXT_OUTPUT* output);
void waitTimerToConvertFingerAsMouseMovement();
void convertFingerAsMouseMovement();
void delegateFingerToInteractionContext();
void sendDelayedTouchEvents();
void clearDelayedTouchEvents();
void killTouchTimer();
virtual void onQueueEvent(Event& ev) { }
virtual void onResize(const gfx::Size& sz) { }
virtual void onPaint(HDC hdc) { }
@ -127,6 +135,36 @@ namespace she {
// messages again.
int m_ignoreRandomMouseEvents;
// Variables used to convert one finger in mouse-like movement,
// and two/more fingers in scroll movement/pan/zoom. The idea
// is as follows:
// 1) When a PT_TOUCH is received, we count this event in
// m_fingers and setup a timer (m_fingerTimerID) to wait for
// another touch event.
// 2) If another touch event is received, we process the messages
// with the interaction context (m_ictx) to handle special
// gestures (pan, magnify, etc.).
// 3) If the timeout is reached, and we've received only one
// finger on the windows, we can send all awaiting events
// (m_fingerEvents) like mouse movement messages/button
// presses/releases.
struct Touch {
int fingers; // Number of fingers in the window
// True when the timeout wasn't reached yet and the finger can be
// converted to mouse events yet.
bool canBeMouse;
// True if we're already processing finger/touch events as mouse
// movement events.
bool asMouse;
// Timeout (WM_TIMER) when the finger is converted to mouse events.
UINT_PTR timerID;
// Queued events to be sent when the finger is converted to mouse
// events (these events are discarded if another finger is
// introduced in the gesture e.g. to pan)
std::vector<Event> delayedEvents;
Touch();
} *m_touch;
#if SHE_USE_POINTER_API_FOR_MOUSE
// Emulate double-click with pointer API. I guess that this should
// be done by the Interaction Context API but it looks like