mirror of https://github.com/dcoredump/dexed.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
364 lines
15 KiB
364 lines
15 KiB
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2015 - ROLI Ltd.
|
|
|
|
Permission is granted to use this software under the terms of either:
|
|
a) the GPL v2 (or any later version)
|
|
b) the Affero GPL v3
|
|
|
|
Details of these licenses can be found at: www.gnu.org/licenses
|
|
|
|
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
|
|
------------------------------------------------------------------------------
|
|
|
|
To release a closed-source product which uses JUCE, commercial licenses are
|
|
available: visit www.juce.com for more information.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
#ifndef JUCE_MOUSEEVENT_H_INCLUDED
|
|
#define JUCE_MOUSEEVENT_H_INCLUDED
|
|
|
|
|
|
//==============================================================================
|
|
/**
|
|
Contains position and status information about a mouse event.
|
|
|
|
@see MouseListener, Component::mouseMove, Component::mouseEnter, Component::mouseExit,
|
|
Component::mouseDown, Component::mouseUp, Component::mouseDrag
|
|
*/
|
|
class JUCE_API MouseEvent
|
|
{
|
|
public:
|
|
//==============================================================================
|
|
/** Creates a MouseEvent.
|
|
|
|
Normally an application will never need to use this.
|
|
|
|
@param source the source that's invoking the event
|
|
@param position the position of the mouse, relative to the component that is passed-in
|
|
@param modifiers the key modifiers at the time of the event
|
|
@param eventComponent the component that the mouse event applies to
|
|
@param originator the component that originally received the event
|
|
@param eventTime the time the event happened
|
|
@param mouseDownPos the position of the corresponding mouse-down event (relative to the component that is passed-in).
|
|
If there isn't a corresponding mouse-down (e.g. for a mouse-move), this will just be
|
|
the same as the current mouse-x position.
|
|
@param mouseDownTime the time at which the corresponding mouse-down event happened
|
|
If there isn't a corresponding mouse-down (e.g. for a mouse-move), this will just be
|
|
the same as the current mouse-event time.
|
|
@param numberOfClicks how many clicks, e.g. a double-click event will be 2, a triple-click will be 3, etc
|
|
@param mouseWasDragged whether the mouse has been dragged significantly since the previous mouse-down
|
|
*/
|
|
MouseEvent (MouseInputSource source,
|
|
Point<float> position,
|
|
ModifierKeys modifiers,
|
|
Component* eventComponent,
|
|
Component* originator,
|
|
Time eventTime,
|
|
Point<float> mouseDownPos,
|
|
Time mouseDownTime,
|
|
int numberOfClicks,
|
|
bool mouseWasDragged) noexcept;
|
|
|
|
/** Destructor. */
|
|
~MouseEvent() noexcept;
|
|
|
|
//==============================================================================
|
|
/** The position of the mouse when the event occurred.
|
|
|
|
This value is relative to the top-left of the component to which the
|
|
event applies (as indicated by the MouseEvent::eventComponent field).
|
|
|
|
This is a more accurate floating-point version of the position returned by
|
|
getPosition() and the integer x and y member variables.
|
|
*/
|
|
const Point<float> position;
|
|
|
|
/** The x-position of the mouse when the event occurred.
|
|
|
|
This value is relative to the top-left of the component to which the
|
|
event applies (as indicated by the MouseEvent::eventComponent field).
|
|
|
|
For a floating-point coordinate, see MouseEvent::position
|
|
*/
|
|
const int x;
|
|
|
|
/** The y-position of the mouse when the event occurred.
|
|
|
|
This value is relative to the top-left of the component to which the
|
|
event applies (as indicated by the MouseEvent::eventComponent field).
|
|
|
|
For a floating-point coordinate, see MouseEvent::position
|
|
*/
|
|
const int y;
|
|
|
|
/** The key modifiers associated with the event.
|
|
|
|
This will let you find out which mouse buttons were down, as well as which
|
|
modifier keys were held down.
|
|
|
|
When used for mouse-up events, this will indicate the state of the mouse buttons
|
|
just before they were released, so that you can tell which button they let go of.
|
|
*/
|
|
const ModifierKeys mods;
|
|
|
|
/** The component that this event applies to.
|
|
|
|
This is usually the component that the mouse was over at the time, but for mouse-drag
|
|
events the mouse could actually be over a different component and the events are
|
|
still sent to the component that the button was originally pressed on.
|
|
|
|
The x and y member variables are relative to this component's position.
|
|
|
|
If you use getEventRelativeTo() to retarget this object to be relative to a different
|
|
component, this pointer will be updated, but originalComponent remains unchanged.
|
|
|
|
@see originalComponent
|
|
*/
|
|
Component* const eventComponent;
|
|
|
|
/** The component that the event first occurred on.
|
|
|
|
If you use getEventRelativeTo() to retarget this object to be relative to a different
|
|
component, this value remains unchanged to indicate the first component that received it.
|
|
|
|
@see eventComponent
|
|
*/
|
|
Component* const originalComponent;
|
|
|
|
/** The time that this mouse-event occurred. */
|
|
const Time eventTime;
|
|
|
|
/** The time that the corresponding mouse-down event occurred. */
|
|
const Time mouseDownTime;
|
|
|
|
/** The source device that generated this event. */
|
|
MouseInputSource source;
|
|
|
|
//==============================================================================
|
|
/** Returns the x coordinate of the last place that a mouse was pressed.
|
|
The coordinate is relative to the component specified in MouseEvent::component.
|
|
@see getDistanceFromDragStart, getDistanceFromDragStartX, mouseWasClicked
|
|
*/
|
|
int getMouseDownX() const noexcept;
|
|
|
|
/** Returns the y coordinate of the last place that a mouse was pressed.
|
|
The coordinate is relative to the component specified in MouseEvent::component.
|
|
@see getDistanceFromDragStart, getDistanceFromDragStartX, mouseWasClicked
|
|
*/
|
|
int getMouseDownY() const noexcept;
|
|
|
|
/** Returns the coordinates of the last place that a mouse was pressed.
|
|
The coordinates are relative to the component specified in MouseEvent::component.
|
|
@see getDistanceFromDragStart, getDistanceFromDragStartX, mouseWasClicked
|
|
*/
|
|
Point<int> getMouseDownPosition() const noexcept;
|
|
|
|
/** Returns the straight-line distance between where the mouse is now and where it
|
|
was the last time the button was pressed.
|
|
|
|
This is quite handy for things like deciding whether the user has moved far enough
|
|
for it to be considered a drag operation.
|
|
|
|
@see getDistanceFromDragStartX
|
|
*/
|
|
int getDistanceFromDragStart() const noexcept;
|
|
|
|
/** Returns the difference between the mouse's current x postion and where it was
|
|
when the button was last pressed.
|
|
|
|
@see getDistanceFromDragStart
|
|
*/
|
|
int getDistanceFromDragStartX() const noexcept;
|
|
|
|
/** Returns the difference between the mouse's current y postion and where it was
|
|
when the button was last pressed.
|
|
|
|
@see getDistanceFromDragStart
|
|
*/
|
|
int getDistanceFromDragStartY() const noexcept;
|
|
|
|
/** Returns the difference between the mouse's current postion and where it was
|
|
when the button was last pressed.
|
|
|
|
@see getDistanceFromDragStart
|
|
*/
|
|
Point<int> getOffsetFromDragStart() const noexcept;
|
|
|
|
/** Returns true if the mouse has just been clicked.
|
|
|
|
Used in either your mouseUp() or mouseDrag() methods, this will tell you whether
|
|
the user has dragged the mouse more than a few pixels from the place where the
|
|
mouse-down occurred.
|
|
|
|
Once they have dragged it far enough for this method to return false, it will continue
|
|
to return false until the mouse-up, even if they move the mouse back to the same
|
|
position where they originally pressed it. This means that it's very handy for
|
|
objects that can either be clicked on or dragged, as you can use it in the mouseDrag()
|
|
callback to ignore any small movements they might make while clicking.
|
|
|
|
@returns true if the mouse wasn't dragged by more than a few pixels between
|
|
the last time the button was pressed and released.
|
|
*/
|
|
bool mouseWasClicked() const noexcept;
|
|
|
|
/** For a click event, the number of times the mouse was clicked in succession.
|
|
|
|
So for example a double-click event will return 2, a triple-click 3, etc.
|
|
*/
|
|
int getNumberOfClicks() const noexcept { return numberOfClicks; }
|
|
|
|
/** Returns the time that the mouse button has been held down for.
|
|
|
|
If called from a mouseDrag or mouseUp callback, this will return the
|
|
number of milliseconds since the corresponding mouseDown event occurred.
|
|
If called in other contexts, e.g. a mouseMove, then the returned value
|
|
may be 0 or an undefined value.
|
|
*/
|
|
int getLengthOfMousePress() const noexcept;
|
|
|
|
//==============================================================================
|
|
/** The position of the mouse when the event occurred.
|
|
|
|
This position is relative to the top-left of the component to which the
|
|
event applies (as indicated by the MouseEvent::eventComponent field).
|
|
|
|
For a floating-point position, see MouseEvent::position
|
|
*/
|
|
Point<int> getPosition() const noexcept;
|
|
|
|
/** Returns the mouse x position of this event, in global screen coordinates.
|
|
The coordinates are relative to the top-left of the main monitor.
|
|
@see getScreenPosition
|
|
*/
|
|
int getScreenX() const;
|
|
|
|
/** Returns the mouse y position of this event, in global screen coordinates.
|
|
The coordinates are relative to the top-left of the main monitor.
|
|
@see getScreenPosition
|
|
*/
|
|
int getScreenY() const;
|
|
|
|
/** Returns the mouse position of this event, in global screen coordinates.
|
|
The coordinates are relative to the top-left of the main monitor.
|
|
@see getMouseDownScreenPosition
|
|
*/
|
|
Point<int> getScreenPosition() const;
|
|
|
|
/** Returns the x coordinate at which the mouse button was last pressed.
|
|
The coordinates are relative to the top-left of the main monitor.
|
|
@see getMouseDownScreenPosition
|
|
*/
|
|
int getMouseDownScreenX() const;
|
|
|
|
/** Returns the y coordinate at which the mouse button was last pressed.
|
|
The coordinates are relative to the top-left of the main monitor.
|
|
@see getMouseDownScreenPosition
|
|
*/
|
|
int getMouseDownScreenY() const;
|
|
|
|
/** Returns the coordinates at which the mouse button was last pressed.
|
|
The coordinates are relative to the top-left of the main monitor.
|
|
@see getScreenPosition
|
|
*/
|
|
Point<int> getMouseDownScreenPosition() const;
|
|
|
|
//==============================================================================
|
|
/** Creates a version of this event that is relative to a different component.
|
|
|
|
The x and y positions of the event that is returned will have been
|
|
adjusted to be relative to the new component.
|
|
The component pointer that is passed-in must not be null.
|
|
*/
|
|
MouseEvent getEventRelativeTo (Component* newComponent) const noexcept;
|
|
|
|
/** Creates a copy of this event with a different position.
|
|
All other members of the event object are the same, but the x and y are
|
|
replaced with these new values.
|
|
*/
|
|
MouseEvent withNewPosition (Point<float> newPosition) const noexcept;
|
|
|
|
/** Creates a copy of this event with a different position.
|
|
All other members of the event object are the same, but the x and y are
|
|
replaced with these new values.
|
|
*/
|
|
MouseEvent withNewPosition (Point<int> newPosition) const noexcept;
|
|
|
|
//==============================================================================
|
|
/** Changes the application-wide setting for the double-click time limit.
|
|
|
|
This is the maximum length of time between mouse-clicks for it to be
|
|
considered a double-click. It's used by the Component class.
|
|
|
|
@see getDoubleClickTimeout, MouseListener::mouseDoubleClick
|
|
*/
|
|
static void setDoubleClickTimeout (int timeOutMilliseconds) noexcept;
|
|
|
|
/** Returns the application-wide setting for the double-click time limit.
|
|
|
|
This is the maximum length of time between mouse-clicks for it to be
|
|
considered a double-click. It's used by the Component class.
|
|
|
|
@see setDoubleClickTimeout, MouseListener::mouseDoubleClick
|
|
*/
|
|
static int getDoubleClickTimeout() noexcept;
|
|
|
|
|
|
private:
|
|
//==============================================================================
|
|
const Point<float> mouseDownPos;
|
|
const uint8 numberOfClicks, wasMovedSinceMouseDown;
|
|
|
|
MouseEvent& operator= (const MouseEvent&);
|
|
};
|
|
|
|
|
|
//==============================================================================
|
|
/**
|
|
Contains status information about a mouse wheel event.
|
|
|
|
@see MouseListener, MouseEvent
|
|
*/
|
|
struct MouseWheelDetails
|
|
{
|
|
//==============================================================================
|
|
/** The amount that the wheel has been moved in the X axis.
|
|
|
|
If isReversed is true, then a negative deltaX means that the wheel has been
|
|
pushed physically to the left.
|
|
If isReversed is false, then a negative deltaX means that the wheel has been
|
|
pushed physically to the right.
|
|
*/
|
|
float deltaX;
|
|
|
|
/** The amount that the wheel has been moved in the Y axis.
|
|
|
|
If isReversed is true, then a negative deltaY means that the wheel has been
|
|
pushed physically upwards.
|
|
If isReversed is false, then a negative deltaY means that the wheel has been
|
|
pushed physically downwards.
|
|
*/
|
|
float deltaY;
|
|
|
|
/** Indicates whether the user has reversed the direction of the wheel.
|
|
See deltaX and deltaY for an explanation of the effects of this value.
|
|
*/
|
|
bool isReversed;
|
|
|
|
/** If true, then the wheel has continuous, un-stepped motion. */
|
|
bool isSmooth;
|
|
|
|
/** If true, then this event is part of the intertial momentum phase that follows
|
|
the wheel being released. */
|
|
bool isInertial;
|
|
};
|
|
|
|
|
|
#endif // JUCE_MOUSEEVENT_H_INCLUDED
|
|
|