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dialogs.cpp
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dialogs.cpp
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// Hyperbolic Rogue -- dialogs
// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
/** \file dialogs.cpp
* \brief Implementation of various generic dialogs and elements of dialog windows
*/
#include "hyper.h"
namespace hr {
EX const char* COLORBAR = "###";
EX namespace dialog {
#if HDR
#define IFM(x) (mousing?"":x)
static const int DONT_SHOW = 16;
enum tDialogItem {diTitle, diItem, diBreak, diHelp, diInfo, diIntSlider, diSlider, diBigItem, diKeyboard};
struct item {
tDialogItem type;
string body;
string value;
int key;
color_t color, colorv, colork, colors, colorc;
int scale;
double param;
int p1, p2, p3;
int position;
};
struct scaler {
ld (*direct) (ld);
ld (*inverse) (ld);
bool positive;
};
static inline ld identity_f(ld x) { return x; }
const static scaler identity = {identity_f, identity_f, false};
const static scaler logarithmic = {log, exp, true};
const static scaler asinhic = {asinh, sinh, false};
const static scaler asinhic100 = {[] (ld x) { return asinh(x*100); }, [] (ld x) { return sinh(x)/100; }, false};
struct numberEditor {
ld *editwhat;
string s;
ld vmin, vmax, step, dft;
string title, help;
scaler sc;
int *intval; ld intbuf;
bool animatable;
};
extern numberEditor ne;
inline void scaleLog() { ne.sc = logarithmic; }
inline void scaleSinh() { ne.sc = asinhic; }
inline void scaleSinh100() { ne.sc = asinhic100; }
#endif
EX color_t dialogcolor = 0xC0C0C0;
EX void addBack() {
addItem(XLAT("go back"),
(cmode & sm::NUMBER) ? SDLK_RETURN :
ISWEB ? SDLK_BACKSPACE :
SDLK_ESCAPE);
}
EX void addHelp() {
addItem(XLAT("help"), SDLK_F1);
}
EX namespace zoom {
int zoomf = 1, shiftx, shifty;
bool zoomoff = false;
void nozoom() {
zoomf = 1; shiftx = 0; shifty = 0; zoomoff = false;
}
void initzoom() {
zoomf = 3;
shiftx = -2*mousex;
if(mousex < vid.xres / 6) shiftx = 0;
if(mousex > vid.xres * 5 / 6) shiftx = -2 * vid.xres;
shifty = -2*mousey;
if(mousey < vid.yres / 6) shifty = 0;
if(mousey > vid.yres * 5 / 6) shifty = -2 * vid.yres;
}
void stopzoom() { zoomoff = true; }
EX bool displayfr(int x, int y, int b, int size, const string &s, color_t color, int align) {
return hr::displayfr(x * zoomf + shiftx, y * zoomf + shifty, b, size * zoomf, s, color, align);
}
EX bool displayfr_highlight(int x, int y, int b, int size, const string &s, color_t color, int align, int hicolor IS(0xFFFF00)) {
bool clicked = hr::displayfr(x * zoomf + shiftx, y * zoomf + shifty, b, size * zoomf, s, color, align);
if(clicked) hr::displayfr(x * zoomf + shiftx, y * zoomf + shifty, b, size * zoomf, s, hicolor, align);
return clicked;
}
EX }
#if CAP_MENUSCALING && CAP_SDL
EX void handleZooming(SDL_Event &ev) {
using namespace zoom;
if(zoomoff || !(cmode & sm::ZOOMABLE)) {
nozoom(); return;
}
if(ev.type == SDL_MOUSEBUTTONDOWN) initzoom();
if(ev.type == SDL_MOUSEBUTTONUP && zoomf > 1) stopzoom();
}
#endif
#if !(CAP_MENUSCALING && CAP_SDL)
EX void handleZooming(SDL_Event &ev) {}
#endif
EX vector<item> items;
EX item& lastItem() { return items[items.size() - 1]; }
EX item& titleItem() { return items[0]; }
EX map<int, reaction_t> key_actions;
EX void add_key_action(int key, const reaction_t& action) {
key_actions[key] = action;
}
EX void add_key_action_adjust(int& key, const reaction_t& action) {
while(key_actions.count(key)) key++;
add_key_action(key, action);
}
EX void extend() {
items.back().key = items[isize(items)-2].key;
}
EX void add_action(const reaction_t& action) {
add_key_action_adjust(lastItem().key, action);
}
EX void add_action_push(const reaction_t& action) { add_action([action] { pushScreen(action); }); }
EX void add_action_push_clear(const reaction_t& action) { add_action([action] { clearMessages(); pushScreen(action); }); }
EX void handler(int sym, int uni) {
dialog::handleNavigation(sym, uni);
if(doexiton(sym, uni)) popScreen();
}
EX void init() {
items.clear();
key_actions.clear();
keyhandler = dialog::handler;
}
EX string keyname(int k) {
if(k == 0) return "";
if(k == SDLK_ESCAPE) return "Esc";
if(k == SDLK_F5) return "F5";
if(k == SDLK_F10) return "F10";
if(k == SDLK_F9) return "F9";
if(k == SDLK_F1) return "F1";
if(k == SDLK_HOME) return "Home";
if(k == SDLK_BACKSPACE) return "Backspace";
if(k == SDLK_RETURN) return "Enter";
if(k == 32) return "space";
if(k >= 1 && k <= 26) { string s = "Ctrl+"; s += (k+64); return s; }
if(k < 128) { string s; s += k; return s; }
if(k == 508) return "Alt+8";
return "?";
}
EX void addSlider(double d1, double d2, double d3, int key) {
item it;
it.type = diSlider;
it.color = dialogcolor;
it.scale = 100;
it.key = key;
it.param = (d2-d1) / (d3-d1);
items.push_back(it);
}
EX void addIntSlider(int d1, int d2, int d3, int key) {
item it;
it.type = diIntSlider;
it.color = dialogcolor;
it.scale = 100;
it.key = key;
it.p1 = (d2-d1);
it.p2 = (d3-d1);
items.push_back(it);
}
EX void addSelItem(string body, string value, int key) {
item it;
it.type = diItem;
it.body = body;
it.value = value;
it.key = key;
it.color = dialogcolor;
it.colork = 0x808080;
it.colorv = 0x80A040;
it.colorc = 0xFFD500;
it.colors = 0xFF8000;
if(value == ONOFF(true)) it.colorv = 0x40FF40;
if(value == ONOFF(false)) it.colorv = 0xC04040;
it.scale = 100;
items.push_back(it);
}
EX void addBoolItem(string body, bool value, int key) {
addSelItem(body, ONOFF(value), key);
}
EX int displaycolor(color_t col) {
int c = col >> 8;
if(!c) return 0x181818;
return c;
}
EX void addKeyboardItem(string keys) {
item it;
it.type = diKeyboard;
it.body = keys;
it.color = dialogcolor;
it.colors = 0xFF8000;
it.scale = 150;
items.push_back(it);
}
EX void addColorItem(string body, int value, int key) {
item it;
it.type = diItem;
it.body = body;
it.value = COLORBAR;
it.key = key;
it.color = it.colorv = displaycolor(value);
it.colors = it.color ^ 0x404040;
it.colorc = it.color ^ 0x808080;
it.colork = 0x808080;
it.scale = 100;
items.push_back(it);
}
EX void addHelp(string body) {
item it;
it.type = diHelp;
it.body = body;
it.scale = 100;
if(isize(body) >= 500) it.scale = 70;
items.push_back(it);
}
EX void addInfo(string body, color_t color IS(dialogcolor)) {
item it;
it.type = diInfo;
it.body = body;
it.color = color;
it.scale = 100;
items.push_back(it);
}
EX void addItem(string body, int key) {
item it;
it.type = diItem;
it.body = body;
it.key = key;
it.color = dialogcolor;
it.colork = 0x808080;
it.colors = 0xFFD500;
it.colorc = 0xFF8000;
it.scale = 100;
items.push_back(it);
}
EX void addBigItem(string body, int key) {
item it;
it.type = diBigItem;
it.body = body;
it.key = key;
it.color = 0xC06000;
it.colors = 0xFFD500;
it.colorc = 0xFF8000;
it.scale = 150;
items.push_back(it);
}
EX int addBreak(int val) {
item it;
it.type = diBreak;
it.scale = val;
items.push_back(it);
return items.size()-1;
}
EX void addTitle(string body, color_t color, int scale) {
item it;
it.type = diTitle;
it.body = body;
it.color = color;
it.scale = scale;
items.push_back(it);
}
EX void init(string title, color_t color IS(0xE8E8E8), int scale IS(150), int brk IS(60)) {
init();
addTitle(title, color, scale);
addBreak(brk);
}
EX int dcenter, dwidth;
EX int dialogflags;
EX int displayLong(string str, int siz, int y, bool measure) {
int last = 0;
int lastspace = 0;
int xs, xo;
if(current_display->sidescreen)
xs = dwidth - vid.fsize*2, xo = vid.yres + vid.fsize;
else
xs = vid.xres * 618/1000, xo = vid.xres * 186/1000;
for(int i=0; i<=isize(str); i++) {
int ls = 0;
int prev = last;
if(str[i] == ' ') lastspace = i;
if(textwidth(siz, str.substr(last, i-last)) > xs) {
if(lastspace == last) ls = i-1, last = i-1;
else ls = lastspace, last = ls+1;
}
if(str[i] == 10 || i == isize(str)) ls = i, last = i+1;
if(ls) {
if(!measure) displayfr(xo, y, 2, siz, str.substr(prev, ls-prev), dialogcolor, 0);
if(ls == prev) y += siz/2;
else y += siz;
lastspace = last;
}
}
y += siz/2;
return y;
}
EX int tothei, dialogwidth, dfsize, dfspace, leftwidth, rightwidth, innerwidth, itemx, keyx, valuex;
EX string highlight_text;
EX void measure() {
tothei = 0;
dialogwidth = 0;
innerwidth = 0;
int N = items.size();
for(int i=0; i<N; i++) {
if(items[i].type == diHelp)
tothei += displayLong(items[i].body, dfsize * items[i].scale / 100, 0, true);
else {
tothei += dfspace * items[i].scale / 100;
if(items[i].type == diItem)
innerwidth = max(innerwidth, textwidth(dfsize * items[i].scale / 100, items[i].body));
if(items[i].type == diTitle || items[i].type == diInfo || items[i].type == diBigItem)
dialogwidth = max(dialogwidth, textwidth(dfsize * items[i].scale / 100, items[i].body) * 10/9);
}
}
leftwidth = ISMOBILE ? 0 : textwidth(dfsize, "MMMMM") + dfsize/2;
rightwidth = textwidth(dfsize, "MMMMMMMM") + dfsize/2;
int fwidth = innerwidth + leftwidth + rightwidth;
dialogwidth = max(dialogwidth, fwidth);
itemx = dcenter - fwidth / 2 + leftwidth;
keyx = dcenter - fwidth / 2 + leftwidth - dfsize/2;
valuex = dcenter - fwidth / 2 + leftwidth + innerwidth + dfsize/2;
}
EX purehookset hooks_display_dialog;
EX vector<int> key_queue;
EX void queue_key(int key) { key_queue.push_back(key); }
EX void display() {
callhooks(hooks_display_dialog);
int N = items.size();
dfsize = vid.fsize;
#if ISMOBILE || ISPANDORA
dfsize *= 3;
#endif
dfspace = dfsize * 5/4;
dcenter = vid.xres/2;
dwidth = vid.xres;
if(current_display->sidescreen) {
dwidth = vid.xres - vid.yres;
dcenter = vid.xres - dwidth / 2;
}
measure();
while(tothei > vid.yres - 5 * vid.fsize) {
int adfsize = int(dfsize * sqrt((vid.yres - 5. * vid.fsize) / tothei));
if(adfsize < dfsize-1) dfsize = adfsize + 1;
else dfsize--;
dfspace = dfsize * 5/4;
measure();
}
while(dialogwidth > dwidth) {
int adfsize = int(dfsize * sqrt(vid.xres * 1. / dialogwidth));
if(adfsize < dfsize-1) dfsize = adfsize + 1;
else dfsize--; // keep dfspace
measure();
}
tothei = (vid.yres - tothei) / 2;
for(int i=0; i<N; i++) {
item& I = items[i];
if(I.type == diHelp) {
tothei = displayLong(items[i].body, dfsize * items[i].scale / 100, tothei, false);
continue;
}
int top = tothei;
tothei += dfspace * I.scale / 100;
int mid = (top + tothei) / 2;
I.position = mid;
if(I.type == diTitle || I.type == diInfo) {
bool xthis = (mousey >= top && mousey < tothei && I.key);
if(cmode & sm::DIALOG_STRICT_X)
xthis = xthis && (mousex >= dcenter - dialogwidth/2 && mousex <= dcenter + dialogwidth/2);
displayfr(dcenter, mid, 2, dfsize * I.scale/100, I.body, I.color, 8);
if(xthis) getcstat = I.key;
}
else if(I.type == diItem || I.type == diBigItem) {
bool xthis = (mousey >= top && mousey < tothei);
if(cmode & sm::DIALOG_STRICT_X)
xthis = xthis && (mousex >= dcenter - dialogwidth/2 && mousex <= dcenter + dialogwidth/2);
#if ISMOBILE
if(xthis && mousepressed)
I.color = I.colorc;
#else
if(xthis && mousemoved) {
highlight_text = I.body;
mousemoved = false;
}
if(highlight_text == I.body) {
I.color = (xthis&&mousepressed&&actonrelease) ? I.colorc : I.colors;
}
#endif
if(I.type == diBigItem) {
displayfr(dcenter, mid, 2, dfsize * I.scale/100, I.body, I.color, 8);
}
else {
if(!mousing)
displayfr(keyx, mid, 2, dfsize * I.scale/100, keyname(I.key), I.colork, 16);
displayfr(itemx, mid, 2, dfsize * I.scale/100, I.body, I.color, 0);
int siz = dfsize * I.scale/100;
while(siz > 6 && textwidth(siz, I.value) >= vid.xres - valuex) siz--;
displayfr(valuex, mid, 2, siz, I.value, I.colorv, 0);
}
if(xthis) getcstat = I.key;
}
else if(among(I.type, diSlider, diIntSlider)) {
bool xthis = (mousey >= top && mousey < tothei);
int sl, sr;
if(current_display->sidescreen)
sl = vid.yres + vid.fsize*2, sr = vid.xres - vid.fsize*2;
else
sl = vid.xres/4, sr = vid.xres*3/4;
int sw = sr-sl;
if(I.type == diSlider) {
displayfr(sl, mid, 2, dfsize * I.scale/100, "(", I.color, 16);
displayfr(sl + double(sw * I.param), mid, 2, dfsize * I.scale/100, "#", I.color, 8);
displayfr(sr, mid, 2, dfsize * I.scale/100, ")", I.color, 0);
}
else {
displayfr(sl, mid, 2, dfsize * I.scale/100, "{", I.color, 16);
if(I.p2 < sw / 4) for(int a=0; a<=I.p2; a++) if(a != I.p1)
displayfr(sl + double(sw * a / I.p2), mid, 2, dfsize * I.scale/100, a == I.p1 ? "#" : ".", I.color, 8);
displayfr(sl + double(sw * I.p1 / I.p2), mid, 2, dfsize * I.scale/100, "#", I.color, 8);
displayfr(sr, mid, 2, dfsize * I.scale/100, "}", I.color, 0);
}
if(xthis) getcstat = I.key, inslider = true, slider_x = mousex;
}
else if(I.type == diKeyboard) {
int len = 0;
for(char c: I.body)
if(c == ' ' || c == '\t') len += 3;
else len++;
int sl, sr;
if(current_display->sidescreen)
sl = vid.yres + vid.fsize*2, sr = vid.xres - vid.fsize*2;
else
sl = vid.xres/4, sr = vid.xres*3/4;
int pos = 0;
for(char c: I.body) {
string s = "";
s += c;
int nlen = 1;
if(c == ' ') s = "SPACE", nlen = 3;
if(c == '\b') s = "⌫", nlen = 1;
if(c == '\r' || c == '\n') s = "⏎", nlen = 1;
if(c == 1) s = "←", nlen = 1;
if(c == 2) s = "→", nlen = 1;
if(c == 3) s = "π";
if(c == '\t') s = "CLEAR", nlen = 3;
int left = sl + (sr-sl) * pos / len;
pos += nlen;
int right = sl + (sr-sl) * pos / len;
bool in = (mousex >= left && mousex <= right && mousey >= top && mousey < tothei);
int xpos = (left + right) / 2;
if(in) {
if(c == 1) getcstat = SDLK_LEFT;
else if(c == 2) getcstat = SDLK_RIGHT;
else getcstat = c;
}
displayfr(xpos, mid, 2, dfsize * I.scale/100, s, in ? I.colors : I.color, 8);
}
}
}
}
bool isitem(item& it) {
return it.type == diItem || it.type == diBigItem;
}
EX void handle_actions(int &sym, int &uni) {
if(key_actions.count(uni)) {
key_actions[uni]();
sym = uni = 0;
return;
}
if(key_actions.count(sym)) {
key_actions[sym]();
sym = uni = 0;
return;
}
}
EX void handleNavigation(int &sym, int &uni) {
if(uni == '\n' || uni == '\r' || DIRECTIONKEY == SDLK_KP5) {
for(int i=0; i<isize(items); i++)
if(isitem(items[i]))
if(items[i].body == highlight_text) {
uni = sym = items[i].key;
handle_actions(sym, uni);
return;
}
}
if(DKEY == SDLK_PAGEDOWN) {
uni = sym = 0;
for(int i=0; i<isize(items); i++)
if(isitem(items[i]))
highlight_text = items[i].body;
}
if(DKEY == SDLK_PAGEUP) {
uni = sym = 0;
for(int i=0; i<isize(items); i++)
if(isitem(items[i])) {
highlight_text = items[i].body;
break;
}
}
if(DKEY == SDLK_UP) {
uni = sym = 0;
string last = "";
for(int i=0; i<isize(items); i++)
if(isitem(items[i]))
last = items[i].body;
for(int i=0; i<isize(items); i++)
if(isitem(items[i])) {
if(items[i].body == highlight_text) {
highlight_text = last; return;
}
else last = items[i].body;
}
highlight_text = last;
}
if(DKEY == SDLK_DOWN) {
uni = sym = 0;
int state = 0;
for(int i=0; i<isize(items); i++)
if(isitem(items[i])) {
if(state) { highlight_text = items[i].body; return; }
else if(items[i].body == highlight_text) state = 1;
}
for(int i=0; i<isize(items); i++)
if(isitem(items[i])) {
highlight_text = items[i].body;
break;
}
}
handle_actions(sym, uni);
}
color_t colorhistory[10] = {
0x202020FF, 0x800000FF, 0x008000FF, 0x000080FF,
0x404040FF, 0xC0C0C0FF, 0x804000FF, 0xC0C000FF,
0x408040FF, 0xFFD500FF
}, lch;
EX color_t *palette;
int colorp = 0;
color_t *colorPointer;
EX void handleKeyColor(int sym, int uni) {
unsigned& color = *colorPointer;
int shift = colorAlpha ? 0 : 8;
if(uni >= 'A' && uni <= 'D') {
int x = (slider_x - (dcenter-dwidth/4)) * 510 / dwidth;
if(x < 0) x = 0;
if(x > 255) x = 255;
part(color, uni - 'A') = x;
}
else if(uni == ' ' || uni == '\n' || uni == '\r') {
bool inHistory = false;
for(int i=0; i<10; i++) if(colorhistory[i] == (color << shift))
inHistory = true;
if(!inHistory) { colorhistory[lch] = (color << shift); lch++; lch %= 10; }
popScreen();
if(reaction) reaction();
if(reaction_final) reaction_final();
}
else if(uni >= '0' && uni <= '9') {
color = colorhistory[uni - '0'] >> shift;
}
else if(palette && uni >= 'a' && uni < 'a'+(int) palette[0]) {
color = palette[1 + uni - 'a'] >> shift;
}
else if(DKEY == SDLK_DOWN) {
colorp = (colorp-1) & 3;
}
else if(DKEY == SDLK_UP) {
colorp = (colorp+1) & 3;
}
else if(DKEY == SDLK_LEFT) {
unsigned char* pts = (unsigned char*) &color;
pts[colorp] -= abs(shiftmul) < .6 ? 1 : 17;
}
else if(DKEY == SDLK_RIGHT) {
unsigned char* pts = (unsigned char*) &color;
pts[colorp] += abs(shiftmul) < .6 ? 1 : 17;
}
else if(doexiton(sym, uni)) {
popScreen();
if(reaction_final) reaction_final();
}
}
EX bool colorAlpha;
EX void drawColorDialog() {
cmode = sm::NUMBER | dialogflags;
if(cmode & sm::SIDE) gamescreen(0);
else emptyscreen();
dcenter = vid.xres/2;
dwidth = vid.xres;
if(current_display->sidescreen) {
dwidth = vid.xres - vid.yres;
dcenter = vid.xres - dwidth / 2;
}
color_t color = *colorPointer;
int ash = 8;
for(int j=0; j<10; j++) {
int x = dcenter + vid.fsize * 2 * (j-5);
int y = vid.yres / 2- 5 * vid.fsize;
string s0 = ""; s0 += ('0'+j);
vid.fsize *= 2;
displayColorButton(x, y, s0, '0'+j, 0, 0, colorhistory[j] >> ash);
vid.fsize /= 2;
}
if(palette) {
int q = palette[0];
for(int i=0; i<q; i++) {
int x = dcenter + vid.fsize * (2 * i-q);
int y = vid.yres / 2- 7 * vid.fsize;
string s0 = ""; s0 += ('a'+i);
vid.fsize *= 2;
displayColorButton(x, y, s0, 'a'+i, 0, 0, palette[i+1] >> ash);
vid.fsize /= 2;
}
}
for(int i=0; i<4; i++) {
int y = vid.yres / 2 + (2-i) * vid.fsize * 2;
if(i == 3 && !colorAlpha) continue;
color_t col = ((i==colorp) && !mousing) ? 0xFFD500 : dialogcolor;
displayColorButton(dcenter - dwidth/4, y, "(", 0, 16, 0, col);
string rgt = ") "; rgt += "ABGR" [i+(colorAlpha?0:1)];
displayColorButton(dcenter + dwidth/4, y, rgt, 0, 0, 0, col);
displayColorButton(dcenter - dwidth/4 + dwidth * part(color, i) / 510, y, "#", 0, 8, 0, col);
if(mousey >= y - vid.fsize && mousey < y + vid.fsize)
getcstat = 'A' + i, inslider = true, slider_x = mousex;
}
displayColorButton(dcenter, vid.yres/2+vid.fsize * 6, XLAT("select this color") + " : " + format(colorAlpha ? "%08X" : "%06X", color), ' ', 8, 0, color >> (colorAlpha ? ash : 0));
if(extra_options) extra_options();
keyhandler = handleKeyColor;
}
EX void openColorDialog(unsigned int& col, unsigned int *pal IS(palette)) {
colorPointer = &col; palette = pal;
colorAlpha = true;
dialogflags = 0;
pushScreen(drawColorDialog);
reaction = reaction_t();
extra_options = reaction_t();
}
EX numberEditor ne;
EX bool editingDetail() {
return ne.editwhat == &vid.highdetail || ne.editwhat == &vid.middetail;
}
int ldtoint(ld x) {
if(x > 0) return int(x+.5);
else return int(x-.5);
}
EX string disp(ld x) {
if(dialogflags & sm::HEXEDIT) return "0x" + itsh((unsigned long long)(x));
else if(ne.intval) return its(ldtoint(x));
else return fts(x); }
EX reaction_t reaction;
EX reaction_t reaction_final;
EX reaction_t extra_options;
EX void apply_slider() {
if(ne.intval) *ne.intval = ldtoint(*ne.editwhat);
if(reaction) reaction();
if(ne.intval) *ne.editwhat = *ne.intval;
ne.s = disp(*ne.editwhat);
#if CAP_ANIMATIONS
anims::deanimate(*ne.editwhat);
#endif
}
EX void use_hexeditor() {
dialogflags |= sm::HEXEDIT;
ne.s = disp(*ne.editwhat);
}
EX void apply_edit() {
try {
exp_parser ep;
ep.s = ne.s;
ld x = ep.rparse();
if(ne.sc.positive && x <= 0) return;
*ne.editwhat = x;
if(ne.intval) *ne.intval = ldtoint(*ne.editwhat);
#if CAP_ANIMATIONS
if(ne.animatable) anims::animate_parameter(*ne.editwhat, ne.s, reaction ? reaction : reaction_final);
#endif
if(reaction) reaction();
}
catch(const hr_parse_exception&) {
}
}
EX void bound_low(ld val) {
auto r = reaction;
reaction = [r, val] () {
if(*ne.editwhat < val) {
*ne.editwhat = val;
if(ne.intval) *ne.intval = ldtoint(*ne.editwhat);
}
if(r) r();
};
}
EX void bound_up(ld val) {
auto r = reaction;
reaction = [r, val] () {
if(*ne.editwhat > val) {
*ne.editwhat = val;
if(ne.intval) *ne.intval = ldtoint(*ne.editwhat);
}
if(r) r();
};
}
EX int numberdark;
EX void formula_keyboard(bool lr) {
addKeyboardItem("1234567890");
addKeyboardItem("=+-*/^()\x3");
addKeyboardItem("qwertyuiop");
addKeyboardItem("asdfghjkl");
addKeyboardItem("zxcvbnm,.\b");
addKeyboardItem(lr ? " \t\x1\x2" : " \t");
}
EX bool onscreen_keyboard = ISMOBILE;
EX void number_dialog_help() {
init("number dialog help");
dialog::addBreak(100);
dialog::addHelp(XLAT("You can enter formulas in this dialog."));
dialog::addBreak(100);
dialog::addHelp(XLAT("Functions available:"));
addHelp(available_functions());
dialog::addBreak(100);
dialog::addHelp(XLAT("Constants and variables available:"));
addHelp(available_constants());
if(ne.animatable) {
dialog::addBreak(100);
dialog::addHelp(XLAT("Animations:"));
dialog::addHelp(XLAT("a..b -- animate linearly from a to b"));
dialog::addHelp(XLAT("a..b..|c..d -- animate from a to b, then from c to d"));
dialog::addHelp(XLAT("a../x..b../y -- change smoothly, x and y are derivatives"));
}
/* "Most parameters can be animated simply by using '..' in their editing dialog. "
"For example, the value of a parameter set to 0..1 will grow linearly from 0 to 1. "
"You can also use functions (e.g. cos(0..2*pi)) and refer to other parameters."
)); */
#if CAP_ANIMATIONS
dialog::addBreak(50);
auto f = find_edit(ne.intval ? (void*) ne.intval : (void*) ne.editwhat);
if(f)
dialog::addHelp(XLAT("Parameter names, e.g. '%1'", f->parameter_name));
else
dialog::addHelp(XLAT("Parameter names"));
dialog::addBreak(50);
for(auto& ap: anims::aps) {
string what = "?";
for(auto& p: params) if(p.second->affects(ap.value)) what = p.first;
dialog::addInfo(what + " = " + ap.formula);
}
#endif
dialog::addBreak(50);
dialog::addHelp(XLAT("These can be combined, e.g. %1", "projection*sin(0..2*pi)"));
display();
}
EX void parser_help() {
ne.editwhat = nullptr;
ne.intval = nullptr;
addItem("help", SDLK_F1);
add_action_push(number_dialog_help);
}
EX void drawNumberDialog() {
cmode = sm::NUMBER | dialogflags;
if(numberdark < DONT_SHOW)
gamescreen(numberdark);
else emptyscreen();
init(ne.title);
addInfo(ne.s);
if(ne.intval && ne.sc.direct == &identity_f)
addIntSlider(int(ne.vmin), int(*ne.editwhat), int(ne.vmax), 500);
else
addSlider(ne.sc.direct(ne.vmin), ne.sc.direct(*ne.editwhat), ne.sc.direct(ne.vmax), 500);
addBreak(100);
#if !ISMOBILE
addHelp(XLAT("You can scroll with arrow keys -- Ctrl to fine-tune"));
addBreak(100);
#endif
dialog::addBack();
addSelItem(XLAT("default value"), disp(ne.dft), SDLK_HOME);
add_edit(onscreen_keyboard);
addItem("help", SDLK_F1);
add_action_push(number_dialog_help);
addBreak(100);
if(ne.help != "") {
addHelp(ne.help);
// bool scal = !ISMOBILE && !ISPANDORA && isize(ne.help) > 160;
// if(scal) lastItem().scale = 30;
}
if(extra_options) extra_options();
if(onscreen_keyboard) {
addBreak(100);
formula_keyboard(false);
}
display();
keyhandler = [] (int sym, int uni) {
handleNavigation(sym, uni);
if((uni >= '0' && uni <= '9') || among(uni, '.', '+', '-', '*', '/', '^', '(', ')', ',', '|', 3) || (uni >= 'a' && uni <= 'z')) {
if(uni == 3) ne.s += "pi";
else ne.s += uni;
apply_edit();
}
else if(uni == '\b' || uni == '\t') {
ne.s = ne.s. substr(0, isize(ne.s)-1);
sscanf(ne.s.c_str(), LDF, ne.editwhat);
apply_edit();
}
#if !ISMOBILE
else if(DKEY == SDLK_RIGHT) {
if(ne.intval && abs(shiftmul) < .6)
(*ne.editwhat)++;
else
*ne.editwhat = ne.sc.inverse(ne.sc.direct(*ne.editwhat) + shiftmul * ne.step);
if(abs(*ne.editwhat) < ne.step * 1e-6 && !ne.intval) *ne.editwhat = 0;
apply_slider();
}
else if(DKEY == SDLK_LEFT) {
if(ne.intval && abs(shiftmul) < .6)
(*ne.editwhat)--;
else
*ne.editwhat = ne.sc.inverse(ne.sc.direct(*ne.editwhat) - shiftmul * ne.step);
if(abs(*ne.editwhat) < ne.step * 1e-6 && !ne.intval) *ne.editwhat = 0;
apply_slider();
}
#endif
else if(sym == SDLK_HOME) {
*ne.editwhat = ne.dft;
apply_slider();
}
else if(uni == 500) {
int sl, sr;
if(current_display->sidescreen)
sl = vid.yres + vid.fsize*2, sr = vid.xres - vid.fsize*2;
else
sl = vid.xres/4, sr = vid.xres*3/4;
ld d = (slider_x - sl + .0) / (sr-sl);
ld val = ne.sc.inverse(d * (ne.sc.direct(ne.vmax) - ne.sc.direct(ne.vmin)) + ne.sc.direct(ne.vmin));
ld nextval = ne.sc.inverse((mousex + 1. - sl) / (sr - sl) * (ne.sc.direct(ne.vmax) - ne.sc.direct(ne.vmin)) + ne.sc.direct(ne.vmin));
ld dif = abs(val - nextval);
if(dif > 1e-6) {
ld mul = 1;
while(dif < 10) dif *= 10, mul *= 10;
val *= mul;
val = floor(val + 0.5);
val /= mul;
}
*ne.editwhat = val;
apply_slider();
}
else if(doexiton(sym, uni)) { popScreen(); if(reaction_final) reaction_final(); }
};
}
int nlpage = 1;
int wheelshift = 0;
EX int handlePage(int& nl, int& nlm, int perpage) {
nlm = nl;
int onl = nl;
int ret = 0;
if(nlpage) {
nl = nlm = perpage;
if(nlpage == 2) ret = nlm;
int w = wheelshift;
int realw = 0;
while(w<0 && ret) {
ret--; w++; realw--;
}
while(w>0 && ret+perpage < onl) {
ret++; w--; realw++;
}
wheelshift = realw;
if(ret+nl > onl) nl = onl-ret;
}
return ret;
}