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author | Simon Howard | 2012-10-28 23:45:08 +0000 |
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committer | Simon Howard | 2012-10-28 23:45:08 +0000 |
commit | 993315afc4b1fddaf8952e7e55d1373b5052dd7c (patch) | |
tree | 94aa07d101ddced8404ceaa92ce051ed17fe2a88 /textscreen/txt_gui.c | |
parent | a1b2ce54d02823aa85c7df6aa016c567185451ae (diff) | |
parent | ad11652dcd8e0923432ad272e6535276c51d39eb (diff) | |
download | chocolate-doom-993315afc4b1fddaf8952e7e55d1373b5052dd7c.tar.gz chocolate-doom-993315afc4b1fddaf8952e7e55d1373b5052dd7c.tar.bz2 chocolate-doom-993315afc4b1fddaf8952e7e55d1373b5052dd7c.zip |
Merge from trunk.
Subversion-branch: /branches/v2-branch
Subversion-revision: 2537
Diffstat (limited to 'textscreen/txt_gui.c')
-rw-r--r-- | textscreen/txt_gui.c | 131 |
1 files changed, 125 insertions, 6 deletions
diff --git a/textscreen/txt_gui.c b/textscreen/txt_gui.c index d00e3a65..09ba87ef 100644 --- a/textscreen/txt_gui.c +++ b/textscreen/txt_gui.c @@ -25,9 +25,55 @@ #include "txt_gui.h" #include "txt_io.h" #include "txt_main.h" +#include "txt_utf8.h" typedef struct txt_cliparea_s txt_cliparea_t; +// Mapping table that converts from the Extended ASCII codes in the +// CP437 codepage to Unicode character numbers. + +static const uint16_t cp437_unicode[] = { + 0x00c7, 0x00fc, 0x00e9, 0x00e2, // 80-8f + 0x00e4, 0x00e0, 0x00e5, 0x00e7, + 0x00ea, 0x00eb, 0x00e8, 0x00ef, + 0x00ee, 0x00ec, 0x00c4, 0x00c5, + + 0x00c9, 0x00e6, 0x00c6, 0x00f4, // 90-9f + 0x00f6, 0x00f2, 0x00fb, 0x00f9, + 0x00ff, 0x00d6, 0x00dc, 0x00a2, + 0x00a3, 0x00a5, 0x20a7, 0x0192, + + 0x00e1, 0x00ed, 0x00f3, 0x00fa, // a0-af + 0x00f1, 0x00d1, 0x00aa, 0x00ba, + 0x00bf, 0x2310, 0x00ac, 0x00bd, + 0x00bc, 0x00a1, 0x00ab, 0x00bb, + + 0x2591, 0x2592, 0x2593, 0x2502, // b0-bf + 0x2524, 0x2561, 0x2562, 0x2556, + 0x2555, 0x2563, 0x2551, 0x2557, + 0x255D, 0x255C, 0x255B, 0x2510, + + 0x2514, 0x2534, 0x252C, 0x251C, // c0-cf + 0x2500, 0x253C, 0x255E, 0x255F, + 0x255A, 0x2554, 0x2569, 0x2566, + 0x2560, 0x2550, 0x256C, 0x2567, + + 0x2568, 0x2564, 0x2565, 0x2559, // d0-df + 0x2558, 0x2552, 0x2553, 0x256B, + 0x256A, 0x2518, 0x250C, 0x2588, + 0x2584, 0x258C, 0x2590, 0x2580, + + 0x03B1, 0x00DF, 0x0393, 0x03C0, // e0-ef + 0x03A3, 0x03C3, 0x00B5, 0x03C4, + 0x03A6, 0x0398, 0x03A9, 0x03B4, + 0x221E, 0x03C6, 0x03B5, 0x2229, + + 0x2261, 0x00B1, 0x2265, 0x2264, // f0-ff + 0x2320, 0x2321, 0x00F7, 0x2248, + 0x00B0, 0x2219, 0x00B7, 0x221A, + 0x207F, 0x00B2, 0x25A0, 0x00A0, +}; + struct txt_cliparea_s { int x1, x2; @@ -127,11 +173,12 @@ void TXT_DrawShadow(int x, int y, int w, int h) void TXT_DrawWindowFrame(const char *title, int x, int y, int w, int h) { + txt_saved_colors_t colors; int x1, y1; int bx, by; + TXT_SaveColors(&colors); TXT_FGColor(TXT_COLOR_BRIGHT_CYAN); - TXT_BGColor(TXT_WINDOW_BACKGROUND, 0); for (y1=y; y1<y+h; ++y1) { @@ -180,18 +227,21 @@ void TXT_DrawWindowFrame(const char *title, int x, int y, int w, int h) TXT_DrawShadow(x + 2, y + h, w, 1); TXT_DrawShadow(x + w, y + 1, 2, h); + + TXT_RestoreColors(&colors); } void TXT_DrawSeparator(int x, int y, int w) { + txt_saved_colors_t colors; unsigned char *data; int x1; int b; data = TXT_GetScreenData(); + TXT_SaveColors(&colors); TXT_FGColor(TXT_COLOR_BRIGHT_CYAN); - TXT_BGColor(TXT_WINDOW_BACKGROUND, 0); if (!VALID_Y(y)) { @@ -222,6 +272,8 @@ void TXT_DrawSeparator(int x, int y, int w) data += 2; } + + TXT_RestoreColors(&colors); } void TXT_DrawString(const char *s) @@ -251,8 +303,70 @@ void TXT_DrawString(const char *s) TXT_GotoXY(x + strlen(s), y); } +static void PutUnicodeChar(unsigned int c) +{ + unsigned int i; + + if (c < 128) + { + TXT_PutChar(c); + return; + } + + // We can only display this character if it is in the CP437 codepage. + + for (i = 0; i < 128; ++i) + { + if (cp437_unicode[i] == c) + { + TXT_PutChar(128 + i); + return; + } + } + + // Otherwise, print a fallback character (inverted question mark): + + TXT_PutChar('\xa8'); +} + +void TXT_DrawUTF8String(const char *s) +{ + int x, y; + int x1; + const char *p; + unsigned int c; + + TXT_GetXY(&x, &y); + + if (VALID_Y(y)) + { + x1 = x; + + for (p = s; *p != '\0'; ) + { + c = TXT_DecodeUTF8(&p); + + if (c == 0) + { + break; + } + + if (VALID_X(x1)) + { + TXT_GotoXY(x1, y); + PutUnicodeChar(c); + } + + x1 += 1; + } + } + + TXT_GotoXY(x + TXT_UTF8_Strlen(s), y); +} + void TXT_DrawHorizScrollbar(int x, int y, int w, int cursor, int range) { + txt_saved_colors_t colors; int x1; int cursor_x; @@ -261,6 +375,7 @@ void TXT_DrawHorizScrollbar(int x, int y, int w, int cursor, int range) return; } + TXT_SaveColors(&colors); TXT_FGColor(TXT_COLOR_BLACK); TXT_BGColor(TXT_COLOR_GREY, 0); @@ -269,9 +384,9 @@ void TXT_DrawHorizScrollbar(int x, int y, int w, int cursor, int range) cursor_x = x + 1; - if (range > 1) + if (range > 0) { - cursor_x += (cursor * (w - 3)) / (range - 1); + cursor_x += (cursor * (w - 3)) / range; } if (cursor_x > x + w - 2) @@ -295,10 +410,12 @@ void TXT_DrawHorizScrollbar(int x, int y, int w, int cursor, int range) } TXT_PutChar('\x1a'); + TXT_RestoreColors(&colors); } void TXT_DrawVertScrollbar(int x, int y, int h, int cursor, int range) { + txt_saved_colors_t colors; int y1; int cursor_y; @@ -307,6 +424,7 @@ void TXT_DrawVertScrollbar(int x, int y, int h, int cursor, int range) return; } + TXT_SaveColors(&colors); TXT_FGColor(TXT_COLOR_BLACK); TXT_BGColor(TXT_COLOR_GREY, 0); @@ -320,9 +438,9 @@ void TXT_DrawVertScrollbar(int x, int y, int h, int cursor, int range) cursor_y = y + h - 2; } - if (range > 1) + if (range > 0) { - cursor_y += (cursor * (h - 3)) / (range - 1); + cursor_y += (cursor * (h - 3)) / range; } for (y1=y+1; y1<y+h-1; ++y1) @@ -344,6 +462,7 @@ void TXT_DrawVertScrollbar(int x, int y, int h, int cursor, int range) TXT_GotoXY(x, y + h - 1); TXT_PutChar('\x19'); + TXT_RestoreColors(&colors); } void TXT_InitClipArea(void) |