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Normally with SDL, a mouse motion event will be sent after the
system mouse cursor has been moved by a call to
SDL_WarpMouseInWindow, but if the system cursor cannot be moved
(e.g. because the window does not have mouse focus), games still
need to receive these mouse events so they can successfully update
the mouse position internally. Otherwise, games continue to think
the mouse is still in the original position and will continue to
try to perform whatever action is associated with that mouse
position.
Refs Trac#9689.
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This patch refactors the OpenGL and SDL graphics backends,
primarily to unify window scaling and mouse handling, and to
fix coordinate mapping between the ScummVM window and the
virtual game screen when they have different aspect ratios.
Unified code for these two backends has been moved to a new
header-only WindowedGraphicsManager class, so named because it
contains code for managing graphics managers that interact with
a windowing system and render virtual screens within a larger
physical content window.
The biggest behavioral change here is with the coordinate
system mapping:
Previously, mouse offsets were converted by mapping the whole
space within the window as input to the virtual game screen
without maintaining aspect ratio. This was done to prevent
'stickiness' when the mouse cursor was within the window but
outside of the virtual game screen, but it caused noticeable
distortion of mouse movement speed on the axis with blank
space.
Instead of introducing mouse speed distortion to prevent
stickiness, this patch changes coordinate transformation to
show the system cursor when the mouse moves outside of the virtual
game screen when mouse grab is off, or by holding the mouse inside
the virtual game screen (instead of the entire window) when mouse
grab is on.
This patch also improves some other properties of the
GraphicsManager/PaletteManager interfaces:
* Nullipotent operations (getWidth, getHeight, etc.) of the
PaletteManager/GraphicsManager interfaces are now const
* Methods marked `virtual` but not inherited by any subclass have
been de-virtualized
* Extra unnecessary calculations of hardware height in
SurfaceSdlGraphicsManager have been removed
* Methods have been renamed where appropriate for clarity
(setWindowSize -> handleResize, etc.)
* C++11 support improved with `override` specifier added on
overridden virtual methods in subclasses (primarily to avoid
myself accidentally creating new methods in the subclasses
by changing types/names during refactoring)
Additional refactoring can and should be done at some point to
continue to deduplicate code between the OpenGL and SDL backends.
Since the primary goal here was to improve the coordinate mapping,
full refactoring of these backends was not completed here.
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When updating or recreating the window, if we changed the window
size at the same time we also toggle between OpenGL and non
OpenGL mode, or toggle fullscreen mode, we may have a pending
SDL resize event with the wrong size. So we need to make sure to
append another one with the correct size to end up with the correct
size. This fixes bug #9971.
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The setting was already respected on SDL < 2.0.4 (such as SDL1).
If the OS inverts the scrolling direction, this is reflected on the sign
of the y value of the SDL event. Since version 2.0.4 the SDL event
also had a flag to indicate if the direction is flipped and we were
using it to change back the y sign. That means the OS scrolling
direction setting was not respected. With this commit we now have
a consistent behaviour with all SDL versions (the OS scroll direction
setting is respected).
If our wheel events are used for something other than scrolling
however, we might want to get the actually wheel move direction
(i.e. use a Common::EVENT_WHEELDOWN when moving the wheel
down even if the OS scroll setting is to flip it). In such a case we
might want to revert this change and instead add an additional flag
to the event so that we know the scroll direction should be flipped
and use it in places where the event is used for scrolling.
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PSP2: Add Playstation Vita support
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Fixes erratic speeds in analog pointer motion
Implemented option to set analog/keyboard pointer speed
and control the analog joystick deadzone. The deadzone option appears
only if the build supports analog joystick (via JOY_ANALOG define)
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ANDROIDSDL: added tab Control in main Options menu for switching some features
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For some engines such as Dreamweb that a previous fix did not apply
to, this fixes bug 6996: Android: Mouse pointer control with
analog joystick is unusable
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This fixes bug 6996: Android: Mouse pointer control with
analog joystick is unusable
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SDL: Fix keyboard on macOS, when using SDL2, fix directional keypad
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call scummvm in-game menu. CONTROL key now can be uses with games
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WinCE does not have MapVirtualKey.
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This will hopefully fully fix keyboard issues for macOS / SDL2,
for example when pressing "alt-x".
Also reset .ascii to 0, when Num-Lock is NOT enabled and keypad
directional keys are pressed. This was fixed inside AGI+SCI
previously.
The latter shouldn't cause issues, but in case it does, the
affected engine should get fixed and use keycodes instead.
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This reverts commit 9aa7174218983bb1cf6fd98325082ca7d37f50fb.
For now.
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This will hopefully fully fix keyboard issues for macOS / SDL2,
for example when pressing "alt-x".
Also reset .ascii to 0, when Num-Lock is NOT enabled and keypad
directional keys are pressed. This was fixed inside AGI+SCI
previously.
The latter shouldn't cause issues, but in case it does, the
affected engine should get fixed and use keycodes instead.
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This reduces the likelihood of entering two characters per keypress in our guy
on Windows. In fact, during my brief testing with the filter widget in the
launcher I was not able to trigger the former behavior at all anymore.
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holding
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ALL: Handle Alt-x internally in SCUMM.
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This case for F# keys was forgotten to update in 8530997fff7b5b9d558f7dd6a0d07c236e4de16f.
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This was originally added in cbd867329e018d7eca12b3a8842e52b8db9f494d to
support this LucasArts game hotkey. However, Alt-x is used by other
engines as hotkey. Most notably AGI's Leisure Suit Larry in the Land of the
Lounge Lizards uses it to skip the age protection. Since we handle Alt-x
internally in SCUMM now there is no need to keep this around in our backend
code.
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This version, available at https://bitbucket.org/bgK/sdl_psl1ght, is based on SDL 2.0.3.
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This is based upon skristiansson's change set to make ScummVM work with SDL2.
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As the virtual keyboard trigger has been moved to CTRL-F7, the previous
code which generates a unmodified F7 event to do this will not work.
Rather than just adding the CTRL modifier, this code changes the
backend to directly generate the virtual keyboard trigger event
directly. This avoids any future breakage if the key combination is
changed again.
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As the virtual keyboard trigger has been moved to CTRL-F7, the previous
code which generates a unmodified F7 event to do this will not work.
Rather than just adding the CTRL modifier, this code changes the
backend to directly generate the virtual keyboard trigger event
directly. This avoids any future breakage if the key combination is
changed again.
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