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Clean up internal Unicode code point handling

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Call code points by their name and store them as uint32_t.
This commit is contained in:
Camilla Löwy
2021-12-30 19:09:53 +01:00
parent 17a9e34fbc
commit fe7be39793
9 changed files with 43 additions and 42 deletions
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src/x11_window.c
+11 -11
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@@ -432,10 +432,10 @@ static char** parseUriList(char* text, int* count)
// Decode a Unicode code point from a UTF-8 stream
// Based on cutef8 by Jeff Bezanson (Public Domain)
//
static unsigned int decodeUTF8(const char** s)
static uint32_t decodeUTF8(const char** s)
{
unsigned int ch = 0, count = 0;
static const unsigned int offsets[] =
uint32_t codepoint = 0, count = 0;
static const uint32_t offsets[] =
{
0x00000000u, 0x00003080u, 0x000e2080u,
0x03c82080u, 0xfa082080u, 0x82082080u
@@ -443,13 +443,13 @@ static unsigned int decodeUTF8(const char** s)
do
{
ch = (ch << 6) + (unsigned char) **s;
codepoint = (codepoint << 6) + (unsigned char) **s;
(*s)++;
count++;
} while ((**s & 0xc0) == 0x80);
assert(count <= 6);
return ch - offsets[count - 1];
return codepoint - offsets[count - 1];
}
// Convert the specified Latin-1 string to UTF-8
@@ -1286,9 +1286,9 @@ static void processEvent(XEvent *event)
_glfwInputKey(window, key, keycode, GLFW_PRESS, mods);
const long character = _glfwKeySym2Unicode(keysym);
if (character != -1)
_glfwInputChar(window, character, mods, plain);
const uint32_t codepoint = _glfwKeySym2Unicode(keysym);
if (codepoint != GLFW_INVALID_CODEPOINT)
_glfwInputChar(window, codepoint, mods, plain);
}
return;
@@ -2868,11 +2868,11 @@ const char* _glfwGetScancodeNameX11(int scancode)
if (keysym == NoSymbol)
return NULL;
const long ch = _glfwKeySym2Unicode(keysym);
if (ch == -1)
const uint32_t codepoint = _glfwKeySym2Unicode(keysym);
if (codepoint == GLFW_INVALID_CODEPOINT)
return NULL;
const size_t count = _glfwEncodeUTF8(_glfw.x11.keynames[key], (unsigned int) ch);
const size_t count = _glfwEncodeUTF8(_glfw.x11.keynames[key], codepoint);
if (count == 0)
return NULL;