forked from KolibriOS/kolibrios
382 lines
10 KiB
C++
382 lines
10 KiB
C++
#include "gr-draw.h"
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#ifndef _DOS_GRAPHIC_DRAW_H
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#define _DOS_GRAPHIC_DRAW_H
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#include "dosmouse.h"
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#include "keysym.h"
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#include <graphics.h>
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#include <conio.h>
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#include <stdio.h>
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#include <limits.h>
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class TDosGraphDraw : public TGraphDraw
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{
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public:
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TDosGraphDraw(const char *s = 0);
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~TDosGraphDraw() {}
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public:
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static unsigned long GetKeySym(unsigned int key);
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protected:
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unsigned long bgcolor;
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int quit;
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TCursorVisible cursor;
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public:
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unsigned long GetBlackColor() {return 0;}
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unsigned long GetWhiteColor() {return 15;}
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unsigned long CreateColor(unsigned short red,
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unsigned short green, unsigned short blue);
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void FreeColor(unsigned long c) {}
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unsigned long GetBgColor() {return bgcolor;}
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void SetBgColor(unsigned long c) {bgcolor = c;}
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int GetStatus() {return (graphresult() == grOk) ? 1 : 0;}
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int Init() {return 0;}
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int Run(int evmask = 0, int w = INT_MIN, int h = INT_MIN);
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void GetSize(int &w, int &h);
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int OpenDraw();
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int IsDraw() {return graphresult() == grOk && cursor.IsHidden();}
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void CloseDraw() {cursor.Show();}
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int SetColor(unsigned long c);
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int DrawLine(int x0, int y0, int x1, int y1);
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int DrawText(int x0, int y0, char *text);
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int DrawClear();
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int GetTextH(const char *s) {return 8;}
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int GetTextW(const char *s) {return 8 * sizeof(s);}
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void Quit(int q = 1) {quit = (q > 0) ? q : 0;}
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};
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unsigned long TDosGraphDraw::GetKeySym(unsigned int key)
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{
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switch(key)
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{
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case 331: return XK_Left;
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case 333: return XK_Right;
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case 328: return XK_Up;
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case 336: return XK_Down;
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case 13: return XK_Return;
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case 32: return XK_space;
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case 27: return XK_Escape;
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case 44: return XK_comma;
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case 46: return XK_period;
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case 60: return XK_comma;
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case 62: return XK_period;
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case 45: return XK_minus;
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case 61: return XK_equal;
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case 95: return XK_underscore;
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case 43: return XK_plus;
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case 339: return XK_Delete;
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case 47: return XK_slash;
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case 63: return XK_question;
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case 315: return XK_F1;
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case 316: return XK_F2;
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case 317: return XK_F3;
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case 318: return XK_F4;
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case 319: return XK_F5;
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case 320: return XK_F6;
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case 321: return XK_F7;
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case 322: return XK_F8;
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case 323: return XK_F9;
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case 324: return XK_F10;
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case 389: return XK_F11;
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case 390: return XK_F12;
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case 97: return XK_a;
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case 98: return XK_b;
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case 99: return XK_c;
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case 100: return XK_d;
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case 101: return XK_e;
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case 102: return XK_f;
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case 103: return XK_g;
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case 104: return XK_h;
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case 105: return XK_i;
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case 106: return XK_j;
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case 107: return XK_k;
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case 108: return XK_l;
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case 109: return XK_m;
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case 110: return XK_n;
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case 111: return XK_o;
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case 112: return XK_p;
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case 113: return XK_q;
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case 114: return XK_r;
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case 115: return XK_s;
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case 116: return XK_t;
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case 117: return XK_u;
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case 118: return XK_v;
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case 119: return XK_w;
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case 120: return XK_x;
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case 121: return XK_y;
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case 122: return XK_z;
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case 65: return XK_A;
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case 66: return XK_B;
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case 67: return XK_C;
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case 68: return XK_D;
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case 69: return XK_E;
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case 70: return XK_F;
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case 71: return XK_G;
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case 72: return XK_H;
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case 73: return XK_I;
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case 74: return XK_J;
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case 75: return XK_K;
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case 76: return XK_L;
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case 77: return XK_M;
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case 78: return XK_N;
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case 79: return XK_O;
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case 80: return XK_P;
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case 81: return XK_Q;
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case 82: return XK_R;
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case 83: return XK_S;
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case 84: return XK_T;
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case 85: return XK_U;
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case 86: return XK_V;
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case 87: return XK_W;
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case 88: return XK_X;
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case 89: return XK_Y;
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case 90: return XK_Z;
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default: return XK_VoidSymbol;
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}
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}
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TDosGraphDraw::TDosGraphDraw(const char *s) : TGraphDraw(s)
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{
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bgcolor = GetWhiteColor();
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}
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unsigned long TDosGraphDraw::CreateColor(unsigned short red,
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unsigned short green, unsigned short blue)
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{
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const unsigned short PD = 12288U, PM = 36863U, PL = 65535U;
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const unsigned short COLOR[16][3] =
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{{0U, 0U, 0U}, {0U, 0U, PM}, {0U, PM, 0U}, {0U, PM, PM},
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{PM, 0U, 0U}, {PM, 0U, PM}, {PM, PM, 0U}, {PM, PM, PM},
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{PD, PD, PD}, {PD, PD, PL}, {PD, PL, PD}, {PD, PL, PL},
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{PL, PD, PD}, {PL, PD, PL}, {PL, PL, PD}, {PL, PL, PL}};
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int b[3];
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if (red > green)
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{
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if (green > blue) {b[0] = 4; b[1] = 2; b[2] = 1;}
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else if (red > blue) {b[0] = 4; b[1] = 1; b[2] = 2;}
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else {b[0] = 1; b[1] = 4; b[2] = 2;}
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}
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else
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{
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if (red > blue) {b[0] = 2; b[1] = 4; b[2] = 1;}
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else if (green > blue) {b[0] = 2; b[1] = 1; b[2] = 4;}
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else {b[0] = 1; b[1] = 2; b[2] = 4;}
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}
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int i, j, c, c0 = 0;
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long d, d0 = LONG_MAX;
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for (j = 0; j <= 8; j += 8) for (i = 0, c = j; i <= 3; c |= b[i++])
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{
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d = labs((long)red - COLOR[c][0]) + labs((long)green - COLOR[c][1]) +
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labs((long)blue - COLOR[c][2]);
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if (d0 >= d) {d0 = d; c0 = c;}
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}
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return c0;
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}
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void TDosGraphDraw::GetSize(int &w, int &h)
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{
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if (graphresult() == grOk)
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{
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w = getmaxx() + 1; h = getmaxy() + 1;
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}
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else TGraphDraw::GetSize(w, h);
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}
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int TDosGraphDraw::OpenDraw()
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{
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if (graphresult() == grOk)
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{
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cursor.Hide();
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return 1;
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}
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else return 0;
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}
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int TDosGraphDraw::SetColor(unsigned long c)
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{
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if (!IsDraw()) return 0;
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else {setcolor((int)c); return 1;}
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}
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int TDosGraphDraw::DrawLine(int x0, int y0, int x1, int y1)
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{
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if (!IsDraw()) return 0;
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else {line(x0, y0, x1, y1); return 1;}
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}
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int TDosGraphDraw::DrawText(int x0, int y0, char *text)
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{
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if (!IsDraw()) return 0;
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else {outtextxy(x0, y0, text); return 1;}
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}
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int TDosGraphDraw::DrawClear()
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{
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if (!IsDraw()) return 0;
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setbkcolor((int)bgcolor); setcolor((int)bgcolor);
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bar(0, 0, getmaxx(), getmaxy());
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setbkcolor(0);
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return 1;
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}
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int TDosGraphDraw::Run(int evmask, int /*w*/, int /*h*/)
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{
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if (!evfunc) return -2;
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int wasgraph = graphresult();
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if (!wasgraph)
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{
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int gdriver = DETECT, gmode, errorcode;
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initgraph(&gdriver, &gmode, "");
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if ((errorcode = graphresult()) != grOk)
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{
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printf("Graphics error: %s\n", grapherrormsg(errorcode));
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return -1;
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}
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}
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event ev;
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int ch = INT_MIN, stpr = 0;
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int old_mx = -1000, old_my = -1000;
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clock_t old_mtime = clock();
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int show_cur = TCursorVisible::C.IsShowed();
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freopen("NUL", "wt", stdout);
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quit = 0;
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while (quit == 0)
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{
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if (stpr == 0)
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{
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ev.type = event::start;
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ev.any.drw = this;
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evfunc(ev);
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CloseDraw();
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stpr = 1;
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}
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else if (stpr == 1)
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{
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ev.type = event::draw;
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ev.any.drw = this;
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evfunc(ev);
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CloseDraw();
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stpr = 2;
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}
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else if (ch >= 0 && (evmask & key_down_mask))
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{
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ev.type = event::key_up;
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ev.key.drw = this;
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ev.key.k = ch;
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evfunc(ev);
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CloseDraw();
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ch = INT_MIN;
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}
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else if (kbhit())
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{
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if (MouseStatus && TCursorVisible::C.IsShowed() &&
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(unsigned long)(clock() - old_mtime) > 5 * CLK_TCK)
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{
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TCursorVisible::C.Hide();
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old_mtime = clock();
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}
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int ch = (unsigned char)getch();
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if (!ch && kbhit()) ch = 0x100 | (unsigned char)getch();
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if (evmask & key_down_mask)
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{
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ev.type = event::key_down;
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ev.key.drw = this;
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ev.key.k = GetKeySym(ch);
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evfunc(ev);
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CloseDraw();
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}
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}
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else if (MouseStatus && (evmask & (button_down_mask |
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button_up_mask | mouse_move_mask | mouse_drag_mask)))
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{
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int k, x, y, z;
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for (k = 0; k < MouseStatus; k++)
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{
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z = GetButtonDown(k, x, y);
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if (z)
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{
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TCursorVisible::C.Show();
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old_mx = x; old_my = y;
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old_mtime = clock();
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if (evmask & button_down_mask)
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{
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ev.type = event::button_down;
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ev.button.drw = this;
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ev.button.x = x; ev.button.y = y;
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ev.button.n = k + 1;
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evfunc(ev);
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CloseDraw();
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}
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old_mtime = clock();
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k = -1; break;
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}
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z = GetButtonUp(k, x, y);
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if (z)
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{
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TCursorVisible::C.Show();
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old_mx = x; old_my = y;
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old_mtime = clock();
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if (evmask & button_up_mask)
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{
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ev.type = event::button_up;
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ev.button.drw = this;
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ev.button.x = x; ev.button.y = y;
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ev.button.n = k + 1;
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evfunc(ev);
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CloseDraw();
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}
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k = -1; break;
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}
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}
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if (k >= 0)
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{
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z = PosCursor(x, y);
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if (x != old_mx || y != old_my)
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{
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TCursorVisible::C.Show();
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old_mx = x; old_my = y;
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old_mtime = clock();
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if (evmask & (mouse_move_mask | mouse_drag_mask))
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{
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for (k = 0; k < MouseStatus; k++)
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{
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if (z & (1 << k)) break;
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}
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if (evmask & ((k == MouseStatus) ? mouse_move_mask : mouse_drag_mask))
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{
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ev.type = event::mouse_move;
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ev.button.drw = this;
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ev.button.x = x; ev.button.y = y;
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ev.button.n = (k >= MouseStatus) ? 0 : (k + 1);
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evfunc(ev);
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CloseDraw();
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}
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}
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}
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else if (TCursorVisible::C.IsShowed() &&
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(unsigned long)(clock() - old_mtime) > 30 * CLK_TCK)
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{
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TCursorVisible::C.Hide();
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old_mtime = clock();
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}
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}
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}
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if (quit == 1)
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{
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ev.type = event::close;
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ev.any.drw = this;
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Quit(evfunc(ev));
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CloseDraw();
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}
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}
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TCursorVisible::C.Set(show_cur);
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if (!wasgraph) closegraph();
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freopen("CON", "wt", stdout);
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return quit;
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}
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#endif //_DOS_GRAPHIC_DRAW_H
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