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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
2020-03-02X11: Fix return type of puglX11GlHintValue()David Robillard1-1/+1
2020-03-01Cleanup: Use a consistent style for all backend definitionsDavid Robillard6-54/+42
2020-03-01Cleanup: Adjust some code to be more clang-format friendlyDavid Robillard6-88/+122
2020-03-01Cleanup: Fix includesDavid Robillard5-5/+7
2020-03-01Put PuglEventAny member of PuglEvent first for easy initializationDavid Robillard2-7/+4
2020-03-01Add PUGL_BEGIN_DECLS and PUGL_END_DECLS macrosDavid Robillard1-6/+2
Just to keep the C++ noise out of the headers.
2020-02-18X11: Use ephemeral Cairo surfaces for drawingDavid Robillard1-51/+66
This uses a similar approach to Gtk, where surfaces are created every draw call. It is a bit slower for a single application in most cases, but uses less memory when drawing isn't happening and plays more nicely with other views or applications.
2020-02-18Pass expose event to backend enter and leave functionsDavid Robillard10-62/+61
This is needed for clipping. Unfortunately, the puglEnterContext() and puglLeaveContext() API was not suitable for this, but this shouldn't matter in user code because it is only used for setup, and is slated for removal anyway. Instead, just call the backend functions directly in the implementation.
2020-02-18Remove immediate dispatch of exposed rectsDavid Robillard1-30/+2
This was a hack to support only exposing the rects that were explicitly exposed with puglPostRedisplayRect(), but it caused flaky drawing issues because it circumvented the deferral of exposure until the end of the loop. Instead, simply expand the pending expose to be dispatched later as usual. This means that only the union will be exposed in the end, so more area might be drawn than necessary, but this is probably good enough. If not, we will have to maintain a set of rects and be more clever about combining them.
2020-02-18X11: Use a single Cairo contextDavid Robillard1-22/+20
Cairo has a built-in cache that makes this fast enough to not matter, and it removes some state which is always good.
2020-02-18Fix recursive context entryDavid Robillard1-2/+0
2020-02-11X11: Fix XMoveResizeWindow error checkZoë Sparks1-3/+3
In Xlib, a return value of 0 indicates an error (see "Xlib - C Language X Interface", Ch. 1, "Errors"). XMoveResizeWindow accordingly returns 1 on success, but the error check in puglSetFrame used the usual C convention, and so was backwards.
2020-02-02Only resize backend when necessaryDavid Robillard2-17/+26
This avoids resizing the backend when the window is only moved, which fixes flicker with Cairo where resizing is expensive.
2020-02-02X11: Dispatch exposures from event callbacks in the same iterationDavid Robillard2-1/+16
2020-02-02X11: Avoid calculating expose rect if view is not visibleDavid Robillard1-10/+10
2020-02-02X11: Factor out adding a pending exposureDavid Robillard1-14/+22
2019-12-09Mac: Fix missing NSWindowStyleMask type on 10.11Hanspeter Portner2-3/+9
2019-11-21Rename "backend" headersDavid Robillard9-13/+13
Working on Vulkan clarified what has always been slightly smelly about the design and organization here: not everything that is API specific is really in a "backend" (a PuglBackend). The concrete example is puglGetProcAddress(), which only makes sense for GL and is actually implemented in the "backend" files. Arguably puglGetContext() is also such a thing. So, rename the headers so they can be the place where API-specific things go in general, which happens to include a backend most of the time. The stub is a bit of an exception to this, but whatever. The includes look tidier this way. In place of the old headers are compatibility stubs that just emit a warning and include the new version, which will be maintained for a while.
2019-11-21X11: Remove libGL dependency from GL backendDavid Robillard1-3/+0
This was the only use of actual GL in the backend, and I'm relatively sure this flush is pointless anyway. If, for some bizarre reason, anyone really wants to run without double buffers, they are always free to flush themselves.
2019-11-20Mac: Move puglGetProcAddress() to mac_gl.mDavid Robillard2-17/+17
2019-11-20Mac: Fix unused parameter warningDavid Robillard1-1/+1
2019-11-18Cleanup: Remove unnecessary includesDavid Robillard1-1/+0
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