bool imguiCheck(const char* text, bool checked, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = enabled && inRect(x, y, w, h);
bool res = buttonLogic(id, over);
const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
addGfxCmdRoundedRect((float)cx-3, (float)cy-3, (float)CHECK_SIZE+6, (float)CHECK_SIZE+6, 4, imguiRGBA(128,128,128, isActive(id)?196:96));
if (checked)
{
if (enabled)
addGfxCmdRoundedRect((float)cx, (float)cy, (float)CHECK_SIZE, (float)CHECK_SIZE, (float)CHECK_SIZE/2-1, imguiRGBA(255,255,255,isActive(id)?255:200));
else
addGfxCmdRoundedRect((float)cx, (float)cy, (float)CHECK_SIZE, (float)CHECK_SIZE, (float)CHECK_SIZE/2-1, imguiRGBA(128,128,128,200));
}
if (enabled)
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
else
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
return res;
}
bool imguiBeginScrollArea(const char* name, int x, int y, int w, int h, int* scroll)
{
g_state.areaId++;
g_state.widgetId = 0;
g_scrollId = (g_state.areaId<<16) | g_state.widgetId;
g_state.widgetX = x + SCROLL_AREA_PADDING;
g_state.widgetY = y+h-AREA_HEADER + (*scroll);
g_state.widgetW = w - SCROLL_AREA_PADDING*4;
g_scrollTop = y-AREA_HEADER+h;
g_scrollBottom = y+SCROLL_AREA_PADDING;
g_scrollRight = x+w - SCROLL_AREA_PADDING*3;
g_scrollVal = scroll;
g_scrollAreaTop = g_state.widgetY;
g_focusTop = y-AREA_HEADER;
g_focusBottom = y-AREA_HEADER+h;
g_insideScrollArea = inRect(x, y, w, h, false);
g_state.insideCurrentScroll = g_insideScrollArea;
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, 6, imguiRGBA(0,0,0,192));
addGfxCmdText(x+AREA_HEADER/2, y+h-AREA_HEADER/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, name, imguiRGBA(255,255,255,128));
addGfxCmdScissor(x+SCROLL_AREA_PADDING, y+SCROLL_AREA_PADDING, w-SCROLL_AREA_PADDING*4, h-AREA_HEADER-SCROLL_AREA_PADDING);
return g_insideScrollArea;
}
bool imguiButton(const char* text, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = enabled && inRect(x, y, w, h);
bool res = buttonLogic(id, over);
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, (float)BUTTON_HEIGHT/2-1, imguiRGBA(128,128,128, isActive(id)?196:96));
if (enabled)
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
else
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
return res;
}
bool imguiTextInput(const char* text, char* buffer, unsigned int bufferLength)
{
bool res = true;
//--
//Handle label
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
addGfxCmdText(x, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(255,255,255,255));
unsigned int textLen = unsigned int(strlen(text)*6.5);
//--
//Handle keyboard input if any
unsigned int L = strlen(buffer);
if(isInputable(id) && g_state.ascii == 0x08 && g_state.ascii!=g_state.lastAscii)//backspace
buffer[L-1]=0;
else if(isInputable(id) && g_state.ascii == 0x0D && g_state.ascii!=g_state.lastAscii)//enter
g_state.inputable = 0;
else if(isInputable(id) && L < bufferLength-1 && g_state.ascii!=0 && g_state.ascii!=g_state.lastAscii){
++L;
buffer[L-1] = g_state.ascii;
buffer[L] = 0;
}
//--
//Handle buffer data
x+=textLen;
int w = g_state.widgetW-textLen;
int h = BUTTON_HEIGHT;
bool over = inRect(x, y, w, h);
res = textInputLogic(id, over);
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, (float)BUTTON_HEIGHT/2-1, isInputable(id)?imguiRGBA(255,196,0,255):imguiRGBA(128,128,128,96));
addGfxCmdText(x+7, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, buffer, isInputable(id)?imguiRGBA(0, 0, 0, 255):imguiRGBA(255,255,255,255));
//--
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
return res;
}
void imguiDrawRoundedRect(float x, float y, float w, float h, float r, unsigned int color)
{
addGfxCmdRoundedRect(x, y, w, h, r, color);
}
bool imguiSlider(const char* text, float* val, float vmin, float vmax, float vinc, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = SLIDER_HEIGHT;
g_state.widgetY -= SLIDER_HEIGHT + DEFAULT_SPACING;
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, 4.0f, imguiRGBA(0,0,0,128));
const int range = w - SLIDER_MARKER_WIDTH;
float u = (*val - vmin) / (vmax-vmin);
if (u < 0) u = 0;
if (u > 1) u = 1;
int m = (int)(u * range);
bool over = enabled && inRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT);
bool res = buttonLogic(id, over);
bool valChanged = false;
if (isActive(id))
{
if (g_state.wentActive)
{
g_state.dragX = g_state.mx;
g_state.dragOrig = u;
}
if (g_state.dragX != g_state.mx)
{
u = g_state.dragOrig + (float)(g_state.mx - g_state.dragX) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*val = vmin + u*(vmax-vmin);
*val = floorf(*val/vinc+0.5f)*vinc; // Snap to vinc
m = (int)(u * range);
valChanged = true;
}
}
if (isActive(id))
addGfxCmdRoundedRect((float)(x+m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, imguiRGBA(255,255,255,255));
else
addGfxCmdRoundedRect((float)(x+m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, isHot(id) ? imguiRGBA(255,196,0,128) : imguiRGBA(255,255,255,64));
// TODO: fix this, take a look at 'nicenum'.
int digits = (int)(ceilf(log10f(vinc)));
char fmt[16];
snprintf(fmt, 16, "%%.%df", digits >= 0 ? 0 : -digits);
char msg[128];
snprintf(msg, 128, fmt, *val);
if (enabled)
{
addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, msg, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
}
else
{
addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, msg, imguiRGBA(128,128,128,200));
}
return res || valChanged;
}
void imguiEndScrollArea()
{
// Disable scissoring.
addGfxCmdScissor(-1,-1,-1,-1);
// Draw scroll bar
int x = g_scrollRight+SCROLL_AREA_PADDING/2;
int y = g_scrollBottom;
int w = SCROLL_AREA_PADDING*2;
int h = g_scrollTop - g_scrollBottom;
int stop = g_scrollAreaTop;
int sbot = g_state.widgetY;
int sh = stop - sbot; // The scrollable area height.
float barHeight = (float)h/(float)sh;
if (barHeight < 1)
{
float barY = (float)(y - sbot)/(float)sh;
if (barY < 0) barY = 0;
if (barY > 1) barY = 1;
// Handle scroll bar logic.
unsigned int hid = g_scrollId;
int hx = x;
int hy = y + (int)(barY*h);
int hw = w;
int hh = (int)(barHeight*h);
const int range = h - (hh-1);
bool over = inRect(hx, hy, hw, hh);
buttonLogic(hid, over);
if (isActive(hid))
{
float u = (float)(hy-y) / (float)range;
if (g_state.wentActive)
{
g_state.dragY = g_state.my;
g_state.dragOrig = u;
}
if (g_state.dragY != g_state.my)
{
u = g_state.dragOrig + (g_state.my - g_state.dragY) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*g_scrollVal = (int)((1-u) * (sh - h));
}
}
// BG
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, (float)w/2-1, imguiRGBA(0,0,0,196));
// Bar
if (isActive(hid))
addGfxCmdRoundedRect((float)hx, (float)hy, (float)hw, (float)hh, (float)w/2-1, imguiRGBA(255,196,0,196));
else
addGfxCmdRoundedRect((float)hx, (float)hy, (float)hw, (float)hh, (float)w/2-1, isHot(hid) ? imguiRGBA(255,196,0,96) : imguiRGBA(255,255,255,64));
// Handle mouse scrolling.
if (g_insideScrollArea) // && !anyActive())
{
if (g_state.scroll)
{
*g_scrollVal += 20*g_state.scroll;
if (*g_scrollVal < 0) *g_scrollVal = 0;
if (*g_scrollVal > (sh - h)) *g_scrollVal = (sh - h);
}
}
}
g_state.insideCurrentScroll = false;
}
