testime.c
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/*
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
/* A simple program to test the Input Method support in the SDL library (2.0+)
If you build without SDL_ttf, you can use the GNU Unifont hex file instead.
Download at http://unifoundry.com/unifont.html */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "SDL.h"
#ifdef HAVE_SDL_TTF
#include "SDL_ttf.h"
#endif
#include "SDL_test_common.h"
#define DEFAULT_PTSIZE 30
#ifdef HAVE_SDL_TTF
#ifdef __MACOSX__
#define DEFAULT_FONT "/System/Library/Fonts/华文细黑.ttf"
#elif __WIN32__
/* Some japanese font present on at least Windows 8.1. */
#define DEFAULT_FONT "C:\\Windows\\Fonts\\yugothic.ttf"
#else
#define DEFAULT_FONT "NoDefaultFont.ttf"
#endif
#else
#define DEFAULT_FONT "unifont-9.0.02.hex"
#endif
#define MAX_TEXT_LENGTH 256
static SDLTest_CommonState *state;
static SDL_Rect textRect, markedRect;
static SDL_Color lineColor = {0,0,0,255};
static SDL_Color backColor = {255,255,255,255};
static SDL_Color textColor = {0,0,0,255};
static char text[MAX_TEXT_LENGTH], markedText[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
static int cursor = 0;
#ifdef HAVE_SDL_TTF
static TTF_Font *font;
#else
#define UNIFONT_MAX_CODEPOINT 0x1ffff
#define UNIFONT_NUM_GLYPHS 0x20000
/* Using 512x512 textures that are supported everywhere. */
#define UNIFONT_TEXTURE_WIDTH 512
#define UNIFONT_GLYPHS_IN_ROW (UNIFONT_TEXTURE_WIDTH / 16)
#define UNIFONT_GLYPHS_IN_TEXTURE (UNIFONT_GLYPHS_IN_ROW * UNIFONT_GLYPHS_IN_ROW)
#define UNIFONT_NUM_TEXTURES ((UNIFONT_NUM_GLYPHS + UNIFONT_GLYPHS_IN_TEXTURE - 1) / UNIFONT_GLYPHS_IN_TEXTURE)
#define UNIFONT_TEXTURE_SIZE (UNIFONT_TEXTURE_WIDTH * UNIFONT_TEXTURE_WIDTH * 4)
#define UNIFONT_TEXTURE_PITCH (UNIFONT_TEXTURE_WIDTH * 4)
#define UNIFONT_DRAW_SCALE 2
struct UnifontGlyph {
Uint8 width;
Uint8 data[32];
} *unifontGlyph;
static SDL_Texture **unifontTexture;
static Uint8 unifontTextureLoaded[UNIFONT_NUM_TEXTURES] = {0};
/* Unifont loading code start */
static Uint8 dehex(char c)
{
if (c >= '0' && c <= '9')
return c - '0';
else if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
else if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
return 255;
}
static Uint8 dehex2(char c1, char c2)
{
return (dehex(c1) << 4) | dehex(c2);
}
static Uint8 validate_hex(const char *cp, size_t len, Uint32 *np)
{
Uint32 n = 0;
for (; len > 0; cp++, len--)
{
Uint8 c = dehex(*cp);
if (c == 255)
return 0;
n = (n << 4) | c;
}
if (np != NULL)
*np = n;
return 1;
}
static int unifont_init(const char *fontname)
{
Uint8 hexBuffer[65];
Uint32 numGlyphs = 0;
int lineNumber = 1;
size_t bytesRead;
SDL_RWops *hexFile;
const size_t unifontGlyphSize = UNIFONT_NUM_GLYPHS * sizeof(struct UnifontGlyph);
const size_t unifontTextureSize = UNIFONT_NUM_TEXTURES * state->num_windows * sizeof(void *);
/* Allocate memory for the glyph data so the file can be closed after initialization. */
unifontGlyph = (struct UnifontGlyph *)SDL_malloc(unifontGlyphSize);
if (unifontGlyph == NULL)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Failed to allocate %d KiB for glyph data.\n", (int)(unifontGlyphSize + 1023) / 1024);
return -1;
}
SDL_memset(unifontGlyph, 0, unifontGlyphSize);
/* Allocate memory for texture pointers for all renderers. */
unifontTexture = (SDL_Texture **)SDL_malloc(unifontTextureSize);
if (unifontTexture == NULL)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Failed to allocate %d KiB for texture pointer data.\n", (int)(unifontTextureSize + 1023) / 1024);
return -1;
}
SDL_memset(unifontTexture, 0, unifontTextureSize);
hexFile = SDL_RWFromFile(fontname, "rb");
if (hexFile == NULL)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Failed to open font file: %s\n", fontname);
return -1;
}
/* Read all the glyph data into memory to make it accessible later when textures are created. */
do {
int i, codepointHexSize;
size_t bytesOverread;
Uint8 glyphWidth;
Uint32 codepoint;
bytesRead = SDL_RWread(hexFile, hexBuffer, 1, 9);
if (numGlyphs > 0 && bytesRead == 0)
break; /* EOF */
if ((numGlyphs == 0 && bytesRead == 0) || (numGlyphs > 0 && bytesRead < 9))
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Unexpected end of hex file.\n");
return -1;
}
/* Looking for the colon that separates the codepoint and glyph data at position 2, 4, 6 and 8. */
if (hexBuffer[2] == ':')
codepointHexSize = 2;
else if (hexBuffer[4] == ':')
codepointHexSize = 4;
else if (hexBuffer[6] == ':')
codepointHexSize = 6;
else if (hexBuffer[8] == ':')
codepointHexSize = 8;
else
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Could not find codepoint and glyph data separator symbol in hex file on line %d.\n", lineNumber);
return -1;
}
if (!validate_hex((const char *)hexBuffer, codepointHexSize, &codepoint))
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Malformed hexadecimal number in hex file on line %d.\n", lineNumber);
return -1;
}
if (codepoint > UNIFONT_MAX_CODEPOINT)
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "unifont: Codepoint on line %d exceeded limit of 0x%x.\n", lineNumber, UNIFONT_MAX_CODEPOINT);
/* If there was glyph data read in the last file read, move it to the front of the buffer. */
bytesOverread = 8 - codepointHexSize;
if (codepointHexSize < 8)
SDL_memmove(hexBuffer, hexBuffer + codepointHexSize + 1, bytesOverread);
bytesRead = SDL_RWread(hexFile, hexBuffer + bytesOverread, 1, 33 - bytesOverread);
if (bytesRead < (33 - bytesOverread))
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Unexpected end of hex file.\n");
return -1;
}
if (hexBuffer[32] == '\n')
glyphWidth = 8;
else
{
glyphWidth = 16;
bytesRead = SDL_RWread(hexFile, hexBuffer + 33, 1, 32);
if (bytesRead < 32)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Unexpected end of hex file.\n");
return -1;
}
}
if (!validate_hex((const char *)hexBuffer, glyphWidth * 4, NULL))
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Malformed hexadecimal glyph data in hex file on line %d.\n", lineNumber);
return -1;
}
if (codepoint <= UNIFONT_MAX_CODEPOINT)
{
if (unifontGlyph[codepoint].width > 0)
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "unifont: Ignoring duplicate codepoint 0x%08x in hex file on line %d.\n", codepoint, lineNumber);
else
{
unifontGlyph[codepoint].width = glyphWidth;
/* Pack the hex data into a more compact form. */
for (i = 0; i < glyphWidth * 2; i++)
unifontGlyph[codepoint].data[i] = dehex2(hexBuffer[i * 2], hexBuffer[i * 2 + 1]);
numGlyphs++;
}
}
lineNumber++;
} while (bytesRead > 0);
SDL_RWclose(hexFile);
SDL_Log("unifont: Loaded %u glyphs.\n", numGlyphs);
return 0;
}
static void unifont_make_rgba(Uint8 *src, Uint8 *dst, Uint8 width)
{
int i, j;
Uint8 *row = dst;
for (i = 0; i < width * 2; i++)
{
Uint8 data = src[i];
for (j = 0; j < 8; j++)
{
if (data & 0x80)
{
row[0] = textColor.r;
row[1] = textColor.g;
row[2] = textColor.b;
row[3] = textColor.a;
}
else
{
row[0] = 0;
row[1] = 0;
row[2] = 0;
row[3] = 0;
}
data <<= 1;
row += 4;
}
if (width == 8 || (width == 16 && i % 2 == 1))
{
dst += UNIFONT_TEXTURE_PITCH;
row = dst;
}
}
}
static int unifont_load_texture(Uint32 textureID)
{
int i;
Uint8 * textureRGBA;
if (textureID >= UNIFONT_NUM_TEXTURES)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Tried to load out of range texture %u.\n", textureID);
return -1;
}
textureRGBA = (Uint8 *)SDL_malloc(UNIFONT_TEXTURE_SIZE);
if (textureRGBA == NULL)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Failed to allocate %d MiB for a texture.\n", UNIFONT_TEXTURE_SIZE / 1024 / 1024);
return -1;
}
SDL_memset(textureRGBA, 0, UNIFONT_TEXTURE_SIZE);
/* Copy the glyphs into memory in RGBA format. */
for (i = 0; i < UNIFONT_GLYPHS_IN_TEXTURE; i++)
{
Uint32 codepoint = UNIFONT_GLYPHS_IN_TEXTURE * textureID + i;
if (unifontGlyph[codepoint].width > 0)
{
const Uint32 cInTex = codepoint % UNIFONT_GLYPHS_IN_TEXTURE;
const size_t offset = (cInTex / UNIFONT_GLYPHS_IN_ROW) * UNIFONT_TEXTURE_PITCH * 16 + (cInTex % UNIFONT_GLYPHS_IN_ROW) * 16 * 4;
unifont_make_rgba(unifontGlyph[codepoint].data, textureRGBA + offset, unifontGlyph[codepoint].width);
}
}
/* Create textures and upload the RGBA data from above. */
for (i = 0; i < state->num_windows; ++i)
{
SDL_Renderer *renderer = state->renderers[i];
SDL_Texture *tex = unifontTexture[UNIFONT_NUM_TEXTURES * i + textureID];
if (state->windows[i] == NULL || renderer == NULL || tex != NULL)
continue;
tex = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STATIC, UNIFONT_TEXTURE_WIDTH, UNIFONT_TEXTURE_WIDTH);
if (tex == NULL)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "unifont: Failed to create texture %u for renderer %d.\n", textureID, i);
return -1;
}
unifontTexture[UNIFONT_NUM_TEXTURES * i + textureID] = tex;
SDL_SetTextureBlendMode(tex, SDL_BLENDMODE_BLEND);
if (SDL_UpdateTexture(tex, NULL, textureRGBA, UNIFONT_TEXTURE_PITCH) != 0)
{
SDL_Log("unifont error: Failed to update texture %u data for renderer %d.\n", textureID, i);
}
}
SDL_free(textureRGBA);
unifontTextureLoaded[textureID] = 1;
return 0;
}
static Sint32 unifont_draw_glyph(Uint32 codepoint, int rendererID, SDL_Rect *dstrect)
{
SDL_Texture *texture;
const Uint32 textureID = codepoint / UNIFONT_GLYPHS_IN_TEXTURE;
SDL_Rect srcrect;
srcrect.w = srcrect.h = 16;
if (codepoint > UNIFONT_MAX_CODEPOINT) {
return 0;
}
if (!unifontTextureLoaded[textureID]) {
if (unifont_load_texture(textureID) < 0) {
return 0;
}
}
texture = unifontTexture[UNIFONT_NUM_TEXTURES * rendererID + textureID];
if (texture != NULL)
{
const Uint32 cInTex = codepoint % UNIFONT_GLYPHS_IN_TEXTURE;
srcrect.x = cInTex % UNIFONT_GLYPHS_IN_ROW * 16;
srcrect.y = cInTex / UNIFONT_GLYPHS_IN_ROW * 16;
SDL_RenderCopy(state->renderers[rendererID], texture, &srcrect, dstrect);
}
return unifontGlyph[codepoint].width;
}
static void unifont_cleanup()
{
int i, j;
for (i = 0; i < state->num_windows; ++i)
{
SDL_Renderer *renderer = state->renderers[i];
if (state->windows[i] == NULL || renderer == NULL)
continue;
for (j = 0; j < UNIFONT_NUM_TEXTURES; j++)
{
SDL_Texture *tex = unifontTexture[UNIFONT_NUM_TEXTURES * i + j];
if (tex != NULL)
SDL_DestroyTexture(tex);
}
}
for (j = 0; j < UNIFONT_NUM_TEXTURES; j++)
unifontTextureLoaded[j] = 0;
SDL_free(unifontTexture);
SDL_free(unifontGlyph);
}
/* Unifont code end */
#endif
size_t utf8_length(unsigned char c)
{
c = (unsigned char)(0xff & c);
if (c < 0x80)
return 1;
else if ((c >> 5) ==0x6)
return 2;
else if ((c >> 4) == 0xe)
return 3;
else if ((c >> 3) == 0x1e)
return 4;
else
return 0;
}
char *utf8_next(char *p)
{
size_t len = utf8_length(*p);
size_t i = 0;
if (!len)
return 0;
for (; i < len; ++i)
{
++p;
if (!*p)
return 0;
}
return p;
}
char *utf8_advance(char *p, size_t distance)
{
size_t i = 0;
for (; i < distance && p; ++i)
{
p = utf8_next(p);
}
return p;
}
Uint32 utf8_decode(char *p, size_t len)
{
Uint32 codepoint = 0;
size_t i = 0;
if (!len)
return 0;
for (; i < len; ++i)
{
if (i == 0)
codepoint = (0xff >> len) & *p;
else
{
codepoint <<= 6;
codepoint |= 0x3f & *p;
}
if (!*p)
return 0;
p++;
}
return codepoint;
}
void usage()
{
SDL_Log("usage: testime [--font fontfile]\n");
}
void InitInput()
{
/* Prepare a rect for text input */
textRect.x = textRect.y = 100;
textRect.w = DEFAULT_WINDOW_WIDTH - 2 * textRect.x;
textRect.h = 50;
text[0] = 0;
markedRect = textRect;
markedText[0] = 0;
SDL_StartTextInput();
}
void CleanupVideo()
{
SDL_StopTextInput();
#ifdef HAVE_SDL_TTF
TTF_CloseFont(font);
TTF_Quit();
#else
unifont_cleanup();
#endif
}
void _Redraw(int rendererID)
{
SDL_Renderer * renderer = state->renderers[rendererID];
SDL_Rect drawnTextRect, cursorRect, underlineRect;
drawnTextRect = textRect;
drawnTextRect.w = 0;
SDL_SetRenderDrawColor(renderer, backColor.r, backColor.g, backColor.b, backColor.a);
SDL_RenderFillRect(renderer,&textRect);
if (*text)
{
#ifdef HAVE_SDL_TTF
SDL_Surface *textSur = TTF_RenderUTF8_Blended(font, text, textColor);
SDL_Texture *texture;
/* Vertically center text */
drawnTextRect.y = textRect.y + (textRect.h - textSur->h) / 2;
drawnTextRect.w = textSur->w;
drawnTextRect.h = textSur->h;
texture = SDL_CreateTextureFromSurface(renderer,textSur);
SDL_FreeSurface(textSur);
SDL_RenderCopy(renderer,texture,NULL,&drawnTextRect);
SDL_DestroyTexture(texture);
#else
char *utext = text;
Uint32 codepoint;
size_t len;
SDL_Rect dstrect;
dstrect.x = textRect.x;
dstrect.y = textRect.y + (textRect.h - 16 * UNIFONT_DRAW_SCALE) / 2;
dstrect.w = 16 * UNIFONT_DRAW_SCALE;
dstrect.h = 16 * UNIFONT_DRAW_SCALE;
drawnTextRect.y = dstrect.y;
drawnTextRect.h = dstrect.h;
while ((codepoint = utf8_decode(utext, len = utf8_length(*utext))))
{
Sint32 advance = unifont_draw_glyph(codepoint, rendererID, &dstrect) * UNIFONT_DRAW_SCALE;
dstrect.x += advance;
drawnTextRect.w += advance;
utext += len;
}
#endif
}
markedRect.x = textRect.x + drawnTextRect.w;
markedRect.w = textRect.w - drawnTextRect.w;
if (markedRect.w < 0)
{
/* Stop text input because we cannot hold any more characters */
SDL_StopTextInput();
return;
}
else
{
SDL_StartTextInput();
}
cursorRect = drawnTextRect;
cursorRect.x += cursorRect.w;
cursorRect.w = 2;
cursorRect.h = drawnTextRect.h;
drawnTextRect.x += drawnTextRect.w;
drawnTextRect.w = 0;
SDL_SetRenderDrawColor(renderer, backColor.r, backColor.g, backColor.b, backColor.a);
SDL_RenderFillRect(renderer,&markedRect);
if (markedText[0])
{
#ifdef HAVE_SDL_TTF
SDL_Surface *textSur;
SDL_Texture *texture;
if (cursor)
{
char *p = utf8_advance(markedText, cursor);
char c = 0;
if (!p)
p = &markedText[SDL_strlen(markedText)];
c = *p;
*p = 0;
TTF_SizeUTF8(font, markedText, &drawnTextRect.w, NULL);
cursorRect.x += drawnTextRect.w;
*p = c;
}
textSur = TTF_RenderUTF8_Blended(font, markedText, textColor);
/* Vertically center text */
drawnTextRect.y = textRect.y + (textRect.h - textSur->h) / 2;
drawnTextRect.w = textSur->w;
drawnTextRect.h = textSur->h;
texture = SDL_CreateTextureFromSurface(renderer,textSur);
SDL_FreeSurface(textSur);
SDL_RenderCopy(renderer,texture,NULL,&drawnTextRect);
SDL_DestroyTexture(texture);
#else
int i = 0;
char *utext = markedText;
Uint32 codepoint;
size_t len;
SDL_Rect dstrect;
dstrect.x = drawnTextRect.x;
dstrect.y = textRect.y + (textRect.h - 16 * UNIFONT_DRAW_SCALE) / 2;
dstrect.w = 16 * UNIFONT_DRAW_SCALE;
dstrect.h = 16 * UNIFONT_DRAW_SCALE;
drawnTextRect.y = dstrect.y;
drawnTextRect.h = dstrect.h;
while ((codepoint = utf8_decode(utext, len = utf8_length(*utext))))
{
Sint32 advance = unifont_draw_glyph(codepoint, rendererID, &dstrect) * UNIFONT_DRAW_SCALE;
dstrect.x += advance;
drawnTextRect.w += advance;
if (i < cursor)
cursorRect.x += advance;
i++;
utext += len;
}
#endif
if (cursor > 0)
{
cursorRect.y = drawnTextRect.y;
cursorRect.h = drawnTextRect.h;
}
underlineRect = markedRect;
underlineRect.y = drawnTextRect.y + drawnTextRect.h - 2;
underlineRect.h = 2;
underlineRect.w = drawnTextRect.w;
SDL_SetRenderDrawColor(renderer, lineColor.r, lineColor.g, lineColor.b, lineColor.a);
SDL_RenderFillRect(renderer, &underlineRect);
}
SDL_SetRenderDrawColor(renderer, lineColor.r, lineColor.g, lineColor.b, lineColor.a);
SDL_RenderFillRect(renderer,&cursorRect);
SDL_SetTextInputRect(&markedRect);
}
void Redraw()
{
int i;
for (i = 0; i < state->num_windows; ++i) {
SDL_Renderer *renderer = state->renderers[i];
if (state->windows[i] == NULL)
continue;
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
SDL_RenderClear(renderer);
/* Sending in the window id to let the font renderers know which one we're working with. */
_Redraw(i);
SDL_RenderPresent(renderer);
}
}
int main(int argc, char *argv[])
{
int i, done;
SDL_Event event;
const char *fontname = DEFAULT_FONT;
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
/* Initialize test framework */
state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
if (!state) {
return 1;
}
for (i = 1; i < argc;i++) {
SDLTest_CommonArg(state, i);
}
for (argc--, argv++; argc > 0; argc--, argv++)
{
if (strcmp(argv[0], "--help") == 0) {
usage();
return 0;
}
else if (strcmp(argv[0], "--font") == 0)
{
argc--;
argv++;
if (argc > 0)
fontname = argv[0];
else {
usage();
return 0;
}
}
}
if (!SDLTest_CommonInit(state)) {
return 2;
}
#ifdef HAVE_SDL_TTF
/* Initialize fonts */
TTF_Init();
font = TTF_OpenFont(fontname, DEFAULT_PTSIZE);
if (! font)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to find font: %s\n", TTF_GetError());
return -1;
}
#else
if (unifont_init(fontname) < 0) {
return -1;
}
#endif
SDL_Log("Using font: %s\n", fontname);
InitInput();
/* Create the windows and initialize the renderers */
for (i = 0; i < state->num_windows; ++i) {
SDL_Renderer *renderer = state->renderers[i];
SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
SDL_RenderClear(renderer);
}
Redraw();
/* Main render loop */
done = 0;
while (!done) {
/* Check for events */
while (SDL_PollEvent(&event)) {
SDLTest_CommonEvent(state, &event, &done);
switch(event.type) {
case SDL_KEYDOWN: {
switch (event.key.keysym.sym)
{
case SDLK_RETURN:
text[0]=0x00;
Redraw();
break;
case SDLK_BACKSPACE:
/* Only delete text if not in editing mode. */
if (!markedText[0])
{
size_t textlen = SDL_strlen(text);
do {
if (textlen==0)
{
break;
}
if ((text[textlen-1] & 0x80) == 0x00)
{
/* One byte */
text[textlen-1]=0x00;
break;
}
if ((text[textlen-1] & 0xC0) == 0x80)
{
/* Byte from the multibyte sequence */
text[textlen-1]=0x00;
textlen--;
}
if ((text[textlen-1] & 0xC0) == 0xC0)
{
/* First byte of multibyte sequence */
text[textlen-1]=0x00;
break;
}
} while(1);
Redraw();
}
break;
}
if (done)
{
break;
}
SDL_Log("Keyboard: scancode 0x%08X = %s, keycode 0x%08X = %s\n",
event.key.keysym.scancode,
SDL_GetScancodeName(event.key.keysym.scancode),
event.key.keysym.sym, SDL_GetKeyName(event.key.keysym.sym));
break;
case SDL_TEXTINPUT:
if (event.text.text[0] == '\0' || event.text.text[0] == '\n' ||
markedRect.w < 0)
break;
SDL_Log("Keyboard: text input \"%s\"\n", event.text.text);
if (SDL_strlen(text) + SDL_strlen(event.text.text) < sizeof(text))
SDL_strlcat(text, event.text.text, sizeof(text));
SDL_Log("text inputed: %s\n", text);
/* After text inputed, we can clear up markedText because it */
/* is committed */
markedText[0] = 0;
Redraw();
break;
case SDL_TEXTEDITING:
SDL_Log("text editing \"%s\", selected range (%d, %d)\n",
event.edit.text, event.edit.start, event.edit.length);
SDL_strlcpy(markedText, event.edit.text, SDL_TEXTEDITINGEVENT_TEXT_SIZE);
cursor = event.edit.start;
Redraw();
break;
}
break;
}
}
}
CleanupVideo();
SDLTest_CommonQuit(state);
return 0;
}
/* vi: set ts=4 sw=4 expandtab: */
SDL_CreateTexture
#define SDL_CreateTexture
Definition: SDL_dynapi_overrides.h:306
UnifontGlyph::width
Uint8 width
Definition: testime.c:63
SDL_strlcpy
#define SDL_strlcpy
Definition: SDL_dynapi_overrides.h:394
SDL_PIXELFORMAT_ARGB8888
Definition: SDL_pixels.h:248
dehex
static Uint8 dehex(char c)
Definition: testime.c:71
CleanupVideo
void CleanupVideo()
Definition: testime.c:455
SDL_TextEditingEvent::start
Sint32 start
Definition: SDL_events.h:212
SDL_PollEvent
#define SDL_PollEvent
Definition: SDL_dynapi_overrides.h:122
SDL_KEYDOWN
Definition: SDL_events.h:93
SDL_Color
Definition: SDL_pixels.h:295
backColor
static SDL_Color backColor
Definition: testime.c:45
SDLK_BACKSPACE
Definition: SDL_keycode.h:56
SDL_strlcat
#define SDL_strlcat
Definition: SDL_dynapi_overrides.h:396
validate_hex
static Uint8 validate_hex(const char *cp, size_t len, Uint32 *np)
Definition: testime.c:87
SDL_Color::g
Uint8 g
Definition: SDL_pixels.h:298
dst
GLenum GLenum dst
Definition: SDL_opengl_glext.h:1737
SDL_Surface::h
int h
Definition: SDL_surface.h:73
SDL_BLENDMODE_NONE
Definition: SDL_blendmode.h:42
UNIFONT_NUM_GLYPHS
#define UNIFONT_NUM_GLYPHS
Definition: testime.c:53
UNIFONT_DRAW_SCALE
#define UNIFONT_DRAW_SCALE
Definition: testime.c:61
unifontTextureLoaded
static Uint8 unifontTextureLoaded[UNIFONT_NUM_TEXTURES]
Definition: testime.c:67
SDL_RWops
Definition: SDL_rwops.h:52
SDLTest_CommonCreateState
SDLTest_CommonState * SDLTest_CommonCreateState(char **argv, Uint32 flags)
Parse command line parameters and create common state.
Definition: SDL_test_common.c:48
dehex2
static Uint8 dehex2(char c1, char c2)
Definition: testime.c:82
UNIFONT_GLYPHS_IN_ROW
#define UNIFONT_GLYPHS_IN_ROW
Definition: testime.c:56
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#define SDL_RenderFillRect
Definition: SDL_dynapi_overrides.h:341
p
GLfloat GLfloat p
Definition: SDL_opengl_glext.h:11090
utf8_next
char * utf8_next(char *p)
Definition: testime.c:386
SDLTest_CommonArg
int SDLTest_CommonArg(SDLTest_CommonState *state, int index)
Process one common argument.
Definition: SDL_test_common.c:106
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
SDL_SetTextureBlendMode
#define SDL_SetTextureBlendMode
Definition: SDL_dynapi_overrides.h:313
SDL_SetRenderDrawBlendMode
#define SDL_SetRenderDrawBlendMode
Definition: SDL_dynapi_overrides.h:332
SDL_Renderer
Definition: SDL_sysrender.h:76
SDL_RWread
#define SDL_RWread(ctx, ptr, size, n)
Definition: SDL_rwops.h:187
SDL_Keysym::scancode
SDL_Scancode scancode
Definition: SDL_keyboard.h:49
unifont_make_rgba
static void unifont_make_rgba(Uint8 *src, Uint8 *dst, Uint8 width)
Definition: testime.c:227
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_Color::b
Uint8 b
Definition: SDL_pixels.h:299
offset
GLintptr offset
Definition: SDL_opengl_glext.h:538
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:181
SDL_Surface::w
int w
Definition: SDL_surface.h:73
SDL_test_common.h
src
GLenum src
Definition: SDL_opengl_glext.h:1737
UNIFONT_TEXTURE_WIDTH
#define UNIFONT_TEXTURE_WIDTH
Definition: testime.c:55
SDLTest_CommonInit
SDL_bool SDLTest_CommonInit(SDLTest_CommonState *state)
Open test window.
Definition: SDL_test_common.c:726
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#define UNIFONT_MAX_CODEPOINT
Definition: testime.c:52
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Sint32 length
Definition: SDL_events.h:213
SDLK_RETURN
Definition: SDL_keycode.h:54
MAX_TEXT_LENGTH
#define MAX_TEXT_LENGTH
Definition: testime.c:40
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#define SDL_UpdateTexture
Definition: SDL_dynapi_overrides.h:315
len
GLenum GLsizei len
Definition: SDL_opengl_glext.h:2926
lineColor
static SDL_Color lineColor
Definition: testime.c:44
width
GLint GLint GLsizei width
Definition: SDL_opengl.h:1572
utf8_decode
Uint32 utf8_decode(char *p, size_t len)
Definition: testime.c:412
distance
GLsizei GLsizei GLfloat distance
Definition: SDL_opengl_glext.h:9200
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Definition: SDL_sysrender.h:49
SDLTest_CommonState::windows
SDL_Window ** windows
Definition: SDL_test_common.h:78
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static int cursor
Definition: testime.c:48
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static SDL_Texture ** unifontTexture
Definition: testime.c:66
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#define SDL_LogError
Definition: SDL_dynapi_overrides.h:36
SDLTest_CommonState::num_windows
int num_windows
Definition: SDL_test_common.h:77
SDL_RenderCopy
#define SDL_RenderCopy
Definition: SDL_dynapi_overrides.h:343
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:31
SDL_RWFromFile
#define SDL_RWFromFile
Definition: SDL_dynapi_overrides.h:351
utf8_advance
char * utf8_advance(char *p, size_t distance)
Definition: testime.c:402
UNIFONT_GLYPHS_IN_TEXTURE
#define UNIFONT_GLYPHS_IN_TEXTURE
Definition: testime.c:57
texture
GLenum GLenum GLuint texture
Definition: SDL_opengl_glext.h:1178
SDL_Event::text
SDL_TextInputEvent text
Definition: SDL_events.h:532
SDL_StopTextInput
#define SDL_StopTextInput
Definition: SDL_dynapi_overrides.h:228
SDL_TextInputEvent::text
char text[SDL_TEXTINPUTEVENT_TEXT_SIZE]
Definition: SDL_events.h:226
SDL_CreateTextureFromSurface
#define SDL_CreateTextureFromSurface
Definition: SDL_dynapi_overrides.h:307
SDL_Color::r
Uint8 r
Definition: SDL_pixels.h:297
SDLTest_CommonEvent
void SDLTest_CommonEvent(SDLTest_CommonState *state, SDL_Event *event, int *done)
Common event handler for test windows.
Definition: SDL_test_common.c:1425
InitInput
void InitInput()
Definition: testime.c:441
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#define SDL_FreeSurface
Definition: SDL_dynapi_overrides.h:446
renderer
static SDL_Renderer * renderer
Definition: testaudiocapture.c:21
SDL_Color::a
Uint8 a
Definition: SDL_pixels.h:300
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:157
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
event
struct _cl_event * event
Definition: SDL_opengl_glext.h:2649
SDL_TEXTUREACCESS_STATIC
Definition: SDL_render.h:93
done
int done
Definition: checkkeys.c:28
j
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int int in j)
Definition: SDL_x11sym.h:50
_Redraw
void _Redraw(int rendererID)
Definition: testime.c:466
unifontGlyph
struct UnifontGlyph * unifontGlyph
c
const GLubyte * c
Definition: SDL_opengl_glext.h:11093
SDL_TextEditingEvent::text
char text[SDL_TEXTEDITINGEVENT_TEXT_SIZE]
Definition: SDL_events.h:211
main
int main(int argc, char *argv[])
Definition: testime.c:632
Redraw
void Redraw()
Definition: testime.c:615
SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
SDL_memmove
#define SDL_memmove
Definition: SDL_dynapi_overrides.h:388
state
static SDLTest_CommonState * state
Definition: testime.c:42
SDL_Rect::x
int x
Definition: SDL_rect.h:66
SDL_KeyboardEvent::keysym
SDL_Keysym keysym
Definition: SDL_events.h:199
Sint32
int32_t Sint32
Definition: SDL_stdinc.h:175
SDL_Rect::w
int w
Definition: SDL_rect.h:67
SDL_StartTextInput
#define SDL_StartTextInput
Definition: SDL_dynapi_overrides.h:226
unifont_draw_glyph
static Sint32 unifont_draw_glyph(Uint32 codepoint, int rendererID, SDL_Rect *dstrect)
Definition: testime.c:320
SDLTest_CommonState
Definition: SDL_test_common.h:51
SDLTest_CommonState::renderers
SDL_Renderer ** renderers
Definition: SDL_test_common.h:84
unifont_init
static int unifont_init(const char *fontname)
Definition: testime.c:102
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:236
NULL
#define NULL
Definition: begin_code.h:164
SDL_Event::edit
SDL_TextEditingEvent edit
Definition: SDL_events.h:531
SDL_RWclose
#define SDL_RWclose(ctx)
Definition: SDL_rwops.h:189
unifont_cleanup
static void unifont_cleanup()
Definition: testime.c:345
text
static char text[MAX_TEXT_LENGTH]
Definition: testime.c:47
SDL_RenderClear
#define SDL_RenderClear
Definition: SDL_dynapi_overrides.h:334
SDL_GetScancodeName
#define SDL_GetScancodeName
Definition: SDL_dynapi_overrides.h:222
SDL_SetTextInputRect
#define SDL_SetTextInputRect
Definition: SDL_dynapi_overrides.h:229
SDL_TEXTINPUT
Definition: SDL_events.h:96
markedText
static char markedText[SDL_TEXTEDITINGEVENT_TEXT_SIZE]
Definition: testime.c:47
SDL_Event::key
SDL_KeyboardEvent key
Definition: SDL_events.h:530
UnifontGlyph
Definition: testime.c:62
SDL_DestroyTexture
#define SDL_DestroyTexture
Definition: SDL_dynapi_overrides.h:347
SDL_strlen
#define SDL_strlen
Definition: SDL_dynapi_overrides.h:393
SDL_Rect::h
int h
Definition: SDL_rect.h:67
n
GLdouble n
Definition: SDL_opengl_glext.h:1952
textRect
static SDL_Rect textRect
Definition: testime.c:43
SDL_GetKeyName
#define SDL_GetKeyName
Definition: SDL_dynapi_overrides.h:224
SDL_Keysym::sym
SDL_Keycode sym
Definition: SDL_keyboard.h:50
DEFAULT_FONT
#define DEFAULT_FONT
Definition: testime.c:38
cp
static const double cp
Definition: e_pow.c:92
UNIFONT_TEXTURE_SIZE
#define UNIFONT_TEXTURE_SIZE
Definition: testime.c:59
numGlyphs
GLenum const void GLbitfield GLsizei numGlyphs
Definition: SDL_opengl_glext.h:9160
utf8_length
size_t utf8_length(unsigned char c)
Definition: testime.c:371
SDL_Event
General event structure.
Definition: SDL_events.h:525
SDL_malloc
#define SDL_malloc
Definition: SDL_dynapi_overrides.h:374
SDL_SetRenderDrawColor
#define SDL_SetRenderDrawColor
Definition: SDL_dynapi_overrides.h:330
SDL_LogWarn
#define SDL_LogWarn
Definition: SDL_dynapi_overrides.h:35
UNIFONT_TEXTURE_PITCH
#define UNIFONT_TEXTURE_PITCH
Definition: testime.c:60
usage
void usage()
Definition: testime.c:436
SDL.h
DEFAULT_PTSIZE
#define DEFAULT_PTSIZE
Definition: testime.c:27
UNIFONT_NUM_TEXTURES
#define UNIFONT_NUM_TEXTURES
Definition: testime.c:58
SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66
row
GLenum GLenum void * row
Definition: SDL_opengl_glext.h:3138
DEFAULT_WINDOW_WIDTH
#define DEFAULT_WINDOW_WIDTH
Definition: SDL_test_common.h:41
SDL_Rect::y
int y
Definition: SDL_rect.h:66
markedRect
static SDL_Rect markedRect
Definition: testime.c:43
SDLTest_CommonQuit
void SDLTest_CommonQuit(SDLTest_CommonState *state)
Close test window.
Definition: SDL_test_common.c:1751
unifont_load_texture
static int unifont_load_texture(Uint32 textureID)
Definition: testime.c:263
textColor
static SDL_Color textColor
Definition: testime.c:46
SDL_TEXTEDITING
Definition: SDL_events.h:95
SDL_INIT_VIDEO
#define SDL_INIT_VIDEO
Definition: SDL.h:78
SDL_memset
#define SDL_memset
Definition: SDL_dynapi_overrides.h:386
SDL_Rect
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64
SDL_RenderPresent
#define SDL_RenderPresent
Definition: SDL_dynapi_overrides.h:346
SDL_Event::type
Uint32 type
Definition: SDL_events.h:527
SDL_TEXTEDITINGEVENT_TEXT_SIZE
#define SDL_TEXTEDITINGEVENT_TEXT_SIZE
Definition: SDL_events.h:202
SDL_BLENDMODE_BLEND
Definition: SDL_blendmode.h:44