egl/glx work; eliminate unneeded path normalization paths; do not assume os current path when normalizing paths; gl synchronous debug strings

src/os/core/win32/os_core_win32.c

@@ -712,7 +712,7 @@ os_file_iter_begin(Arena *arena, String8 path, OS_FileIterFlags flags)
   }
   else
   {
-    w32_iter->handle = FindFirstFileW((WCHAR*)path16.str, &w32_iter->find_data);
+    w32_iter->handle = FindFirstFileExW((WCHAR*)path16.str, FindExInfoBasic, &w32_iter->find_data, FindExSearchNameMatch, 0, FIND_FIRST_EX_LARGE_FETCH);
   }
   scratch_end(scratch);
   return iter;

src/os/gfx/linux/os_gfx_linux.c

@@ -1,11 +1,6 @@
 // Copyright (c) 2024 Epic Games Tools
 // Licensed under the MIT license (https://opensource.org/license/mit/)
 
-////////////////////////////////
-//~ rjf: Prototypes (which seem to sometimes be missing)
-
-int XLookupString(XKeyEvent *event_struct, char *buffer_return, int bytes_buffer, KeySym *keysym_return, XComposeStatus *status_in_out);
-
 ////////////////////////////////
 //~ rjf: Helpers
 
@@ -41,6 +36,9 @@ os_gfx_init(void)
   os_lnx_gfx_state->wm_sync_request_atom         = XInternAtom(os_lnx_gfx_state->display, "_NET_WM_SYNC_REQUEST", 0);
   os_lnx_gfx_state->wm_sync_request_counter_atom = XInternAtom(os_lnx_gfx_state->display, "_NET_WM_SYNC_REQUEST_COUNTER", 0);
   
+  //- rjf: open im
+  os_lnx_gfx_state->xim = XOpenIM(os_lnx_gfx_state->display, 0, 0, 0);
+  
   //- rjf: fill out gfx info
   os_lnx_gfx_state->gfx_info.double_click_time = 0.5f;
   os_lnx_gfx_state->gfx_info.caret_blink_time = 0.5f;
@@ -149,6 +147,13 @@ os_window_open(Rng2F32 rect, OS_WindowFlags flags, String8 title)
   }
   XChangeProperty(os_lnx_gfx_state->display, w->window, os_lnx_gfx_state->wm_sync_request_counter_atom, XA_CARDINAL, 32, PropModeReplace, (U8 *)&w->counter_xid, 1);
   
+  //- rjf: create xic
+  w->xic = XCreateIC(os_lnx_gfx_state->xim,
+                     XNInputStyle, XIMPreeditNothing|XIMStatusNothing,
+                     XNClientWindow, w->window,
+                     XNFocusWindow, w->window,
+                     NULL);
+  
   //- rjf: attach name
   Temp scratch = scratch_begin(0, 0);
   String8 title_copy = push_str8_copy(scratch.arena, title);
@@ -399,9 +404,10 @@ os_get_events(Arena *arena, B32 wait)
         if(evt.xkey.state & Mod1Mask)    { modifiers |= OS_Modifier_Alt; }
         
         // rjf: map keycode -> keysym & codepoint
+        OS_LNX_Window *window = os_lnx_window_from_x11window(evt.xkey.window);
         KeySym keysym = 0;
         U8 text[256] = {0};
-        U64 text_size = XLookupString(&evt.xkey, (char *)text, sizeof(text), &keysym, 0);
+        U64 text_size = Xutf8LookupString(window->xic, &evt.xkey, (char *)text, sizeof(text), &keysym, 0);
         
         // rjf: map keysym -> OS_Key
         B32 is_right_sided = 0;
@@ -475,7 +481,6 @@ os_get_events(Arena *arena, B32 wait)
         }
         
         // rjf: push text event
-        OS_LNX_Window *window = os_lnx_window_from_x11window(evt.xkey.window);
         if(evt.type == KeyPress && text_size != 0)
         {
           for(U64 off = 0; off < text_size;)

src/os/gfx/linux/os_gfx_linux.h

@@ -23,6 +23,7 @@ struct OS_LNX_Window
   OS_LNX_Window *next;
   OS_LNX_Window *prev;
   Window window;
+  XIC xic;
   XID counter_xid;
   U64 counter_value;
 };
@@ -35,6 +36,7 @@ struct OS_LNX_GfxState
 {
   Arena *arena;
   Display *display;
+  XIM xim;
   OS_LNX_Window *first_window;
   OS_LNX_Window *last_window;
   OS_LNX_Window *free_window;

src/os/gfx/win32/os_gfx_win32.c

@@ -95,6 +95,7 @@ os_w32_window_release(OS_W32_Window *window)
   {
     arena_release(window->paint_arena);
   }
+  ReleaseDC(window->hwnd, window->hdc);
   DestroyWindow(window->hwnd);
   DLLRemove(os_w32_gfx_state->first_window, os_w32_gfx_state->last_window, window);
   SLLStackPush(os_w32_gfx_state->free_window, window);
@@ -1056,6 +1057,7 @@ os_window_open(Rng2F32 rect, OS_WindowFlags flags, String8 title)
   OS_W32_Window *window = os_w32_window_alloc();
   {
     window->hwnd = hwnd;
+    window->hdc = GetDC(hwnd);
     if(w32_GetDpiForWindow_func != 0)
     {
       window->dpi = (F32)w32_GetDpiForWindow_func(hwnd);

src/os/gfx/win32/os_gfx_win32.h

@@ -38,6 +38,7 @@ struct OS_W32_Window
   OS_W32_Window *next;
   OS_W32_Window *prev;
   HWND hwnd;
+  HDC hdc;
   WINDOWPLACEMENT last_window_placement;
   F32 dpi;
   B32 first_paint_done;