testime.c
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/*
Copyright (C) 1997-2019 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.h
cursor
static int cursor
Definition: testime.c:48
SDL_memset
#define SDL_memset
Definition: SDL_dynapi_overrides.h:386
c
const GLubyte * c
Definition: SDL_opengl_glext.h:11093
SDLTest_CommonState::windows
SDL_Window ** windows
Definition: SDL_test_common.h:78
SDL_RenderPresent
#define SDL_RenderPresent
Definition: SDL_dynapi_overrides.h:346
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:203
SDL_strlcat
#define SDL_strlcat
Definition: SDL_dynapi_overrides.h:396
Sint32
int32_t Sint32
Definition: SDL_stdinc.h:197
SDL_strlcpy
#define SDL_strlcpy
Definition: SDL_dynapi_overrides.h:394
offset
GLintptr offset
Definition: SDL_opengl_glext.h:538
SDL_Color::b
Uint8 b
Definition: SDL_pixels.h:299
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:70
UNIFONT_NUM_GLYPHS
#define UNIFONT_NUM_GLYPHS
Definition: testime.c:53
SDL_PollEvent
#define SDL_PollEvent
Definition: SDL_dynapi_overrides.h:122
SDL_LOG_CATEGORY_APPLICATION
@ SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66
NULL
#define NULL
Definition: begin_code.h:167
width
GLint GLint GLsizei width
Definition: SDL_opengl.h:1572
textColor
static SDL_Color textColor
Definition: testime.c:46
SDLTest_CommonState
Definition: SDL_test_common.h:51
SDL_SetRenderDrawBlendMode
#define SDL_SetRenderDrawBlendMode
Definition: SDL_dynapi_overrides.h:332
backColor
static SDL_Color backColor
Definition: testime.c:45
SDL_Surface::w
int w
Definition: SDL_surface.h:74
cp
static const double cp
Definition: e_pow.c:96
_Redraw
void _Redraw(int rendererID)
Definition: testime.c:466
SDL_Color::r
Uint8 r
Definition: SDL_pixels.h:297
lineColor
static SDL_Color lineColor
Definition: testime.c:44
SDL_RenderFillRect
#define SDL_RenderFillRect
Definition: SDL_dynapi_overrides.h:341
SDL_TEXTEDITING
@ SDL_TEXTEDITING
Definition: SDL_events.h:98
unifontTexture
static SDL_Texture ** unifontTexture
Definition: testime.c:66
SDL_SetTextureBlendMode
#define SDL_SetTextureBlendMode
Definition: SDL_dynapi_overrides.h:313
SDL_RWread
#define SDL_RWread
Definition: SDL_dynapi_overrides.h:723
SDL_KEYDOWN
@ SDL_KEYDOWN
Definition: SDL_events.h:96
SDL_Rect::x
int x
Definition: SDL_rect.h:79
SDLTest_CommonState::renderers
SDL_Renderer ** renderers
Definition: SDL_test_common.h:84
UNIFONT_MAX_CODEPOINT
#define UNIFONT_MAX_CODEPOINT
Definition: testime.c:52
SDL_LogError
#define SDL_LogError
Definition: SDL_dynapi_overrides.h:36
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_Rect::w
int w
Definition: SDL_rect.h:80
SDLTest_CommonCreateState
SDLTest_CommonState * SDLTest_CommonCreateState(char **argv, Uint32 flags)
Parse command line parameters and create common state.
Definition: SDL_test_common.c:59
row
GLenum GLenum void * row
Definition: SDL_opengl_glext.h:3138
SDL_Color::a
Uint8 a
Definition: SDL_pixels.h:300
n
GLdouble n
Definition: SDL_opengl_glext.h:1952
dst
GLenum GLenum dst
Definition: SDL_opengl_glext.h:1737
SDLTest_CommonQuit
void SDLTest_CommonQuit(SDLTest_CommonState *state)
Close test window.
Definition: SDL_test_common.c:1832
dehex
static Uint8 dehex(char c)
Definition: testime.c:71
SDL_StopTextInput
#define SDL_StopTextInput
Definition: SDL_dynapi_overrides.h:228
SDL_CreateTextureFromSurface
#define SDL_CreateTextureFromSurface
Definition: SDL_dynapi_overrides.h:307
SDL_UpdateTexture
#define SDL_UpdateTexture
Definition: SDL_dynapi_overrides.h:315
unifont_draw_glyph
static Sint32 unifont_draw_glyph(Uint32 codepoint, int rendererID, SDL_Rect *dstrect)
Definition: testime.c:320
len
GLenum GLsizei len
Definition: SDL_opengl_glext.h:2926
SDLTest_CommonState::num_windows
int num_windows
Definition: SDL_test_common.h:77
SDL_BLENDMODE_NONE
@ SDL_BLENDMODE_NONE
Definition: SDL_blendmode.h:42
event
struct _cl_event * event
Definition: SDL_opengl_glext.h:2649
SDL_Renderer
Definition: SDL_sysrender.h:122
done
int done
Definition: checkkeys.c:28
MAX_TEXT_LENGTH
#define MAX_TEXT_LENGTH
Definition: testime.c:40
p
GLfloat GLfloat p
Definition: SDL_opengl_glext.h:11090
unifont_cleanup
static void unifont_cleanup()
Definition: testime.c:345
SDL_RenderCopy
#define SDL_RenderCopy
Definition: SDL_dynapi_overrides.h:343
InitInput
void InitInput()
Definition: testime.c:441
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:31
SDL_test_common.h
SDL_Color::g
Uint8 g
Definition: SDL_pixels.h:298
SDL_TEXTINPUT
@ SDL_TEXTINPUT
Definition: SDL_events.h:99
SDL_Rect::y
int y
Definition: SDL_rect.h:79
SDL_Rect::h
int h
Definition: SDL_rect.h:80
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
SDL_TEXTUREACCESS_STATIC
@ SDL_TEXTUREACCESS_STATIC
Definition: SDL_render.h:93
SDL_RWFromFile
#define SDL_RWFromFile
Definition: SDL_dynapi_overrides.h:351
DEFAULT_WINDOW_WIDTH
#define DEFAULT_WINDOW_WIDTH
Definition: SDL_test_common.h:41
SDLTest_CommonArg
int SDLTest_CommonArg(SDLTest_CommonState *state, int index)
Process one common argument.
Definition: SDL_test_common.c:117
SDL_FreeSurface
#define SDL_FreeSurface
Definition: SDL_dynapi_overrides.h:446
DEFAULT_FONT
#define DEFAULT_FONT
Definition: testime.c:38
UNIFONT_NUM_TEXTURES
#define UNIFONT_NUM_TEXTURES
Definition: testime.c:58
SDL_memmove
#define SDL_memmove
Definition: SDL_dynapi_overrides.h:388
UNIFONT_TEXTURE_PITCH
#define UNIFONT_TEXTURE_PITCH
Definition: testime.c:60
text
static char text[MAX_TEXT_LENGTH]
Definition: testime.c:47
state
static SDLTest_CommonState * state
Definition: testime.c:42
unifontGlyph
struct UnifontGlyph * unifontGlyph
main
int main(int argc, char *argv[])
Definition: testime.c:632
SDL_PIXELFORMAT_ARGB8888
@ SDL_PIXELFORMAT_ARGB8888
Definition: SDL_pixels.h:248
SDL_TEXTEDITINGEVENT_TEXT_SIZE
#define SDL_TEXTEDITINGEVENT_TEXT_SIZE
Definition: SDL_events.h:223
UNIFONT_TEXTURE_SIZE
#define UNIFONT_TEXTURE_SIZE
Definition: testime.c:59
UnifontGlyph
Definition: testime.c:62
SDLK_BACKSPACE
@ SDLK_BACKSPACE
Definition: SDL_keycode.h:56
usage
void usage()
Definition: testime.c:436
SDL_BLENDMODE_BLEND
@ SDL_BLENDMODE_BLEND
Definition: SDL_blendmode.h:44
SDL_StartTextInput
#define SDL_StartTextInput
Definition: SDL_dynapi_overrides.h:226
unifontTextureLoaded
static Uint8 unifontTextureLoaded[UNIFONT_NUM_TEXTURES]
Definition: testime.c:67
SDL_Surface::h
int h
Definition: SDL_surface.h:74
SDL_DestroyTexture
#define SDL_DestroyTexture
Definition: SDL_dynapi_overrides.h:347
distance
GLsizei GLsizei GLfloat distance
Definition: SDL_opengl_glext.h:9200
SDLTest_CommonInit
SDL_bool SDLTest_CommonInit(SDLTest_CommonState *state)
Open test window.
Definition: SDL_test_common.c:764
utf8_length
size_t utf8_length(unsigned char c)
Definition: testime.c:371
SDL_GetScancodeName
#define SDL_GetScancodeName
Definition: SDL_dynapi_overrides.h:222
SDL_INIT_VIDEO
#define SDL_INIT_VIDEO
Definition: SDL.h:79
SDL_SetTextInputRect
#define SDL_SetTextInputRect
Definition: SDL_dynapi_overrides.h:229
UNIFONT_TEXTURE_WIDTH
#define UNIFONT_TEXTURE_WIDTH
Definition: testime.c:55
SDL_LOG_PRIORITY_INFO
@ SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
SDLK_RETURN
@ SDLK_RETURN
Definition: SDL_keycode.h:54
UNIFONT_GLYPHS_IN_TEXTURE
#define UNIFONT_GLYPHS_IN_TEXTURE
Definition: testime.c:57
src
GLenum src
Definition: SDL_opengl_glext.h:1737
renderer
static SDL_Renderer * renderer
Definition: testaudiocapture.c:21
Redraw
void Redraw()
Definition: testime.c:615
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:236
unifont_init
static int unifont_init(const char *fontname)
Definition: testime.c:102
CleanupVideo
void CleanupVideo()
Definition: testime.c:455
SDL_GetKeyName
#define SDL_GetKeyName
Definition: SDL_dynapi_overrides.h:224
UNIFONT_DRAW_SCALE
#define UNIFONT_DRAW_SCALE
Definition: testime.c:61
utf8_advance
char * utf8_advance(char *p, size_t distance)
Definition: testime.c:402
SDL_Rect
A rectangle, with the origin at the upper left (integer).
Definition: SDL_rect.h:77
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
numGlyphs
GLenum const void GLbitfield GLsizei numGlyphs
Definition: SDL_opengl_glext.h:9160
SDL_Texture
Definition: SDL_sysrender.h:43
unifont_make_rgba
static void unifont_make_rgba(Uint8 *src, Uint8 *dst, Uint8 width)
Definition: testime.c:227
textRect
static SDL_Rect textRect
Definition: testime.c:43
SDL_RWclose
#define SDL_RWclose
Definition: SDL_dynapi_overrides.h:725
unifont_load_texture
static int unifont_load_texture(Uint32 textureID)
Definition: testime.c:263
SDL_RenderClear
#define SDL_RenderClear
Definition: SDL_dynapi_overrides.h:334
SDL_SetRenderDrawColor
#define SDL_SetRenderDrawColor
Definition: SDL_dynapi_overrides.h:330
UnifontGlyph::width
Uint8 width
Definition: testime.c:63
SDL_Color
Definition: SDL_pixels.h:295
markedRect
static SDL_Rect markedRect
Definition: testime.c:43
SDL_strlen
#define SDL_strlen
Definition: SDL_dynapi_overrides.h:393
UNIFONT_GLYPHS_IN_ROW
#define UNIFONT_GLYPHS_IN_ROW
Definition: testime.c:56
SDL_Event
General event structure.
Definition: SDL_events.h:557
dehex2
static Uint8 dehex2(char c1, char c2)
Definition: testime.c:82
utf8_decode
Uint32 utf8_decode(char *p, size_t len)
Definition: testime.c:412
utf8_next
char * utf8_next(char *p)
Definition: testime.c:386
markedText
static char markedText[SDL_TEXTEDITINGEVENT_TEXT_SIZE]
Definition: testime.c:47
SDLTest_CommonEvent
void SDLTest_CommonEvent(SDLTest_CommonState *state, SDL_Event *event, int *done)
Common event handler for test windows.
Definition: SDL_test_common.c:1501
SDL_malloc
#define SDL_malloc
Definition: SDL_dynapi_overrides.h:374
DEFAULT_PTSIZE
#define DEFAULT_PTSIZE
Definition: testime.c:27
validate_hex
static Uint8 validate_hex(const char *cp, size_t len, Uint32 *np)
Definition: testime.c:87
texture
GLenum GLenum GLuint texture
Definition: SDL_opengl_glext.h:1178
SDL_LogWarn
#define SDL_LogWarn
Definition: SDL_dynapi_overrides.h:35
SDL_RWops
Definition: SDL_rwops.h:52
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_CreateTexture
#define SDL_CreateTexture
Definition: SDL_dynapi_overrides.h:306
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:179