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2020-03-16X11: Dispatch a configure event before the map for child windowsDavid Robillard1-0/+9
It does not seem to be guaranteed that child windows receive a ConfigureNotify at all. Work around this by explicitly dispatching one first, so child views receive events consistently with how top level views do.
2020-03-16Separate cached configuration from frameDavid Robillard2-6/+3
This was a bad idea and a never-ending source of problems. The frame represents what the "current" frame is from a Pugl perspective, but with the asynchronicity of X11 and other issues this cant be used to filter configure events. Instead, simply cache the last configure event that was sent and compare with that.
2020-03-16Factor out dispatching configure events in the drawing contextDavid Robillard4-9/+25
The updates here need to happen whenever a configure is dispatched, even outside puglDispatchEvent(). This removes the last remaining direct calls to the event callback so the common implementation can always do the right thing.
2020-03-16Only send update events when the view is visibleDavid Robillard3-3/+11
2020-03-15Unify event loop functions as puglUpdate()David Robillard4-54/+104
The previous separation between polling and dispatching was a lie, especially on MacOS where it is impossible to only poll for events without dispatching anything. Providing such an API is misleading, and problematic in various other ways. So, merge them into a single puglUpdate() function which can do the right thing on all platforms. This also adds the behaviour of actually processing all events in the given time interval, which is almost always what clients actually want to do when using a positive timeout (naively doing this before caused terrible input lag).
2020-03-15X11: Factor out flushing pending exposuresDavid Robillard1-16/+22
2020-03-15Add type and flags to worldDavid Robillard5-6/+13
Unfortunately this is an API break, but there's no reasonable way to deprecate the old function and this is required for things to work correctly. The type will be used in following commits to tick the main loop and dispatch events correctly for either case.
2020-03-15Cleanup: Add puglDispatchSimpleEvent() internal utilityDavid Robillard5-14/+21
2020-03-15Cleanup: Fix misleading variable nameDavid Robillard1-2/+2
2020-03-15Cleanup: Remove redundant PUGL_API declarationsDavid Robillard3-3/+3
2020-03-15X11: Simplify implementation slightlyDavid Robillard1-6/+2
These continue statements are not necessary since the events will not be translated anyway.
2020-03-15X11: Read from server if necessary in puglDispatchEvents()David Robillard1-3/+3
This reduces input lag. The previous approach was an over-optimization: what's important here is to keep the iteration bounded by not continually flushing, but we do want to read everything to be as up to date as possible.
2020-03-15X11: Don't use CAIRO_OPERATOR_SOURCE for blittingDavid Robillard1-1/+0
This causes artifacts in some scenarios. Although CAIRO_OPERATOR_SOURCE should be faster, the default operator works better in the absence of real double buffering.
2020-03-15X11: Only enter drawing context if an expose is pendingDavid Robillard1-2/+2
2020-03-15X11: Update frame immediately on ConfigureNotifyDavid Robillard1-0/+4
This fixes some jittery display issues since the frame can be used before the deferred configure actually gets dispatched.
2020-03-15X11: Factor out selection event handlingDavid Robillard1-40/+69
2020-03-15Move configure shortcut and frame update to common implementationDavid Robillard3-36/+23
2020-03-15Remove backend resize methodDavid Robillard11-34/+6
2020-03-15Windows: Use ephemeral Cairo surface for drawingDavid Robillard1-38/+37
2020-03-15Mac: Remove unnecessary resize handler in GL backendDavid Robillard1-12/+2
2020-03-14Add logging APIDavid Robillard6-18/+66
2020-03-13Strengthen warningsDavid Robillard2-10/+12
2020-03-09Deprecate puglEnterContext() and puglLeaveContext()David Robillard1-0/+4
These are prone to abuse, and have caused confusion with people who try to use them like in other libraries that support explicit drawing in the main loop. The drawing parameter was also wrong, and these were already just compatibility veneers since the internal context API needs to be more expressive. So, now that PUGL_CREATE and PUGL_DESTROY exist, they can be deprecated to force clients to draw only at the correct time.
2020-03-09Add PuglEventClient and puglSendEvent()David Robillard4-5/+92
This event makes it possible to send an arbitrary event to a view, which is useful for many things. In particular, this method of communication with views will wake up the event loop, unlike hacks in applications that share data in some other way.
2020-03-09X11: Factor out converting PuglEventExpose to XExposeEventDavid Robillard1-16/+50
2020-03-09X11: Only send configure events if something has changedDavid Robillard3-13/+27
2020-03-09Add create, destroy, map, and unmap eventsDavid Robillard4-15/+57
These can be used to do things when a view is created or destroyed, in particular set up the GL context in a more controlled way. Map and unmap events are also added for when views are shown and hidden so application can react to this as well. Towards the deprecation of puglEnterContext() and puglLeaveContext(), which are prone to abuse. squash! Remove client event stuff
2020-03-09Windows: Configure and redraw only when window is shown, not hiddenDavid Robillard1-3/+5
2020-03-09Windows: Remove unused stores of rectDavid Robillard1-2/+2
2020-03-09Cleanup: Remove unnecessary includesDavid Robillard1-1/+0
Apparently glxext.h is always included in glx.h on modern systems. The window demo does not actually use any GL functions directly since they are all factored out.
2020-03-09Fix build with unknown C compilersDavid Robillard1-2/+2
2020-03-08Enable double buffering by defaultDavid Robillard1-1/+1
2020-03-08Make PUGL_DONT_CARE the default for PUGL_SWAP_INTERVALDavid Robillard1-1/+1
2020-03-08Windows: Implement PUGL_DONT_CARE for PUGL_SWAP_INTERVALDavid Robillard1-2/+3
2020-03-08X11: Implement PUGL_SWAP_INTERVALDavid Robillard1-0/+9
2020-03-08X11: Use function typedefs in glxext.hDavid Robillard1-6/+4
2020-03-08Add a user data handle to the worldDavid Robillard2-0/+13
2020-03-08Windows: Fix initial frame sizeDavid Robillard1-0/+1
2020-03-08Windows: Prevent input in one window from stalling anotherDavid Robillard1-4/+21
This dispatches events on a per-window basic instead of globally, using the same mark trick as before to bound the number of events dispatched. After the events are dispatched, all the windows are updated if they have an invalid region. This ensures that all windows get drawn every iteration if necessary, since Windows itself does not send WM_PAINT messages if there is lots of input activity.
2020-03-08Mac: Prevent indefinite blocking of puglDispatchEventsDavid Robillard1-0/+9
2020-03-08Mac: Do not dispatch expose events if window is invisibleDavid Robillard1-0/+4
2020-03-08Mac: Make windows initially invisible as on other platformsDavid Robillard1-0/+1
2020-03-08Mac: Fix stub backendDavid Robillard2-17/+96
2020-03-08Remove redundant PuglEventCloseDavid Robillard1-1/+1
This is identical to PuglEventAny.
2020-03-08Cleanup: Remove use of GL defines in X11 backendDavid Robillard1-3/+4
These are equivalent anyway, but this avoids include-what-you-use warnings and makes it clear that there is no GL code in the backend.
2020-03-08Cleanup: Fix typoDavid Robillard1-1/+1
2020-03-08Cleanup: Fix some conversion warningsDavid Robillard2-8/+8
2020-03-02Strengthen ultra-strict warnings with clangDavid Robillard1-5/+5
2020-03-02Omit deprecated implementations with PUGL_DISABLE_DEPRECATEDDavid Robillard3-0/+12
2020-03-02X11: Fix return type of puglX11GlGetAttrib()David Robillard1-1/+1
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