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2020-04-02Make puglGetVisible() take a const view argumentDavid Robillard2-2/+2
2020-04-02Make puglSetString() safe to call with equal source and destinationDavid Robillard1-3/+5
This is sometimes used by puglSetWindowTitle() using the existing title.
2020-04-02Add missing includeDavid Robillard1-0/+1
2020-04-01Add types and documentation for all event typesDavid Robillard1-6/+72
These are not necessary since they are just aliases for PuglEventAny, but provide a place to put the documentation, and can make code clearer where a specific event type is known.
2020-04-01Consistently use "view" terminology in APIDavid Robillard7-30/+41
The sloppy use of "window" caused quite a bit of confusion, since views only correspond to top-level windows in some cases, and on MacOS, a non-top-level view is not a "window" at all.
2020-04-01Cleanup: Fix mismatched file commentsDavid Robillard1-1/+1
2020-04-01Add PUGL_BAD_PARAMETER statusDavid Robillard2-1/+4
2020-04-01Replace puglShowWindow() with puglRealize()David Robillard4-44/+81
2020-03-31Mac: Fix various warningsDavid Robillard3-25/+30
2020-03-31X11: Don't wait for timeouts less than a millisecondDavid Robillard1-1/+1
2020-03-28Tolerate puglPostRedisplay() in configure handlersDavid Robillard1-10/+11
2020-03-18Reorder event struct definitions to match PuglEventTypeDavid Robillard1-27/+27
2020-03-17Use a more logical order for PuglEventTypeDavid Robillard1-5/+5
2020-03-17Use clearer names for pointer eventsDavid Robillard4-25/+34
These old "notify" names are a smell from X11 which is a bit strange and inconsistent here, since nearly everything is a "notification" of sorts. I think the new names here are much more clear since they are consistent with the keyboard focus events.
2020-03-16Cleanup: Add missing includesDavid Robillard1-0/+2
2020-03-16Simplify puglRequestAttention()David Robillard3-37/+7
Now that timers are exposed, applications can repeatedly nag for attention themselves if they really want to.
2020-03-16Add timer eventsDavid Robillard6-2/+276
2020-03-16Cleanup: Remove unused includeDavid Robillard1-1/+0
2020-03-16MacOS: Fix semantics of puglUpdate() with negative timeoutDavid Robillard1-0/+6
2020-03-16MacOS: Move initial configure to just before mapDavid Robillard1-11/+10
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
2020-03-15Cleanup: Fix documentation linksDavid Robillard1-2/+2
2020-03-15Unify event loop functions as puglUpdate()David Robillard5-71/+151
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 Robillard6-8/+42
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 Robillard12-43/+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 Robillard7-18/+104
2020-03-13Strengthen warningsDavid Robillard2-10/+12
2020-03-09Deprecate puglEnterContext() and puglLeaveContext()David Robillard2-29/+37
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 Robillard5-6/+120
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 Robillard5-16/+66
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
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