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example.c
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//
// based on NanoVG's example code by Mikko Mononen
#include <stdio.h>
#include <stdbool.h>
#ifdef NANOVG_GLEW
# include <GL/glew.h>
#endif
#ifdef __APPLE__
# define GLFW_INCLUDE_GLCOREARB
#endif
#include <GLFW/glfw3.h>
#include "nanovg.h"
#define NANOVG_GL3_IMPLEMENTATION
#include "nanovg_gl.h"
#define BLENDISH_IMPLEMENTATION
#include "blendish.h"
#define OUI_IMPLEMENTATION
#include "oui.h"
////////////////////////////////////////////////////////////////////////////////
typedef struct exContext {
NVGcontext *vg;
UIcontext *uictx;
} exContext;
typedef enum {
// label
ST_LABEL = 0,
// button
ST_BUTTON = 1,
// radio button
ST_RADIO = 2,
// progress slider
ST_SLIDER = 3,
// column
ST_COLUMN = 4,
// row
ST_ROW = 5,
// check button
ST_CHECK = 6,
// panel
ST_PANEL = 7,
// text
ST_TEXT = 8,
//
ST_IGNORE = 9,
ST_DEMOSTUFF = 10,
// colored rectangle
ST_RECT = 11,
ST_HBOX = 12,
ST_VBOX = 13,
} SubType;
typedef struct {
int subtype;
UIhandler handler;
} UIData;
typedef struct {
UIData head;
const char *label;
NVGcolor color;
} UIRectData;
typedef struct {
UIData head;
int iconid;
const char *label;
} UIButtonData;
typedef struct {
UIData head;
const char *label;
bool *option;
} UICheckData;
typedef struct {
UIData head;
int iconid;
const char *label;
int *value;
} UIRadioData;
typedef struct {
UIData head;
const char *label;
float *progress;
} UISliderData;
typedef struct {
UIData head;
char *text;
int maxsize;
} UITextData;
////////////////////////////////////////////////////////////////////////////////
void draw_demostuff(NVGcontext *vg, int x, int y, float w, float h);
void ui_handler(UIcontext *uictx, int item, UIevent event) {
UIData *data = (UIData *)uiGetHandle(uictx, item);
if (data && data->handler) {
data->handler(uictx, item, event);
}
}
void init(NVGcontext *vg) {
bndSetFont(nvgCreateFont(vg, "system", "../DejaVuSans.ttf"));
bndSetIconImage(nvgCreateImage(vg, "../blender_icons16.png", 0));
}
void testrect(NVGcontext *vg, UIrect rect) {
#if 0
nvgBeginPath(vg);
nvgRect(vg,rect.x+0.5,rect.y+0.5,rect.w-1,rect.h-1);
nvgStrokeColor(vg,nvgRGBf(1,0,0));
nvgStrokeWidth(vg,1);
nvgStroke(vg);
#endif
}
void drawUI(exContext *ectx, int item, int corners);
void drawUIItems(exContext *ectx, int item, int corners) {
int kid = uiFirstChild(ectx->uictx, item);
while (kid > 0) {
drawUI(ectx, kid, corners);
kid = uiNextSibling(ectx->uictx, kid);
}
}
void drawUIItemsHbox(exContext *ectx, int item) {
int kid = uiFirstChild(ectx->uictx, item);
if (kid < 0) return;
int nextkid = uiNextSibling(ectx->uictx, kid);
if (nextkid < 0) {
drawUI(ectx, kid, BND_CORNER_NONE);
} else {
drawUI(ectx, kid, BND_CORNER_RIGHT);
kid = nextkid;
while (uiNextSibling(ectx->uictx, kid) > 0) {
drawUI(ectx, kid, BND_CORNER_ALL);
kid = uiNextSibling(ectx->uictx, kid);
}
drawUI(ectx, kid, BND_CORNER_LEFT);
}
}
void drawUIItemsVbox(exContext *ectx, int item) {
int kid = uiFirstChild(ectx->uictx, item);
if (kid < 0) return;
int nextkid = uiNextSibling(ectx->uictx, kid);
if (nextkid < 0) {
drawUI(ectx, kid, BND_CORNER_NONE);
} else {
drawUI(ectx, kid, BND_CORNER_DOWN);
kid = nextkid;
while (uiNextSibling(ectx->uictx, kid) > 0) {
drawUI(ectx, kid, BND_CORNER_ALL);
kid = uiNextSibling(ectx->uictx, kid);
}
drawUI(ectx, kid, BND_CORNER_TOP);
}
}
void drawUI(exContext *ectx, int item, int corners) {
NVGcontext *vg = ectx->vg;
UIcontext *uictx = ectx->uictx;
const UIData *head = (const UIData *)uiGetHandle(uictx, item);
UIrect rect = uiGetRect(uictx, item);
if (uiGetState(uictx, item) == UI_FROZEN) {
nvgGlobalAlpha(vg, BND_DISABLED_ALPHA);
}
if (head) {
switch(head->subtype) {
default: {
testrect(vg, rect);
drawUIItems(ectx,item,corners);
} break;
case ST_HBOX: {
drawUIItemsHbox(ectx, item);
} break;
case ST_VBOX: {
drawUIItemsVbox(ectx, item);
} break;
case ST_PANEL: {
bndBevel(vg,rect.x,rect.y,rect.w,rect.h);
drawUIItems(ectx,item,corners);
} break;
case ST_LABEL: {
assert(head);
const UIButtonData *data = (UIButtonData*)head;
bndLabel(vg,rect.x,rect.y,rect.w,rect.h,
data->iconid,data->label);
} break;
case ST_BUTTON: {
const UIButtonData *data = (UIButtonData*)head;
bndToolButton(vg,rect.x,rect.y,rect.w,rect.h,
corners,(BNDwidgetState)uiGetState(uictx, item),
data->iconid,data->label);
} break;
case ST_CHECK: {
const UICheckData *data = (UICheckData*)head;
BNDwidgetState state = (BNDwidgetState)uiGetState(uictx, item);
if (*data->option)
state = BND_ACTIVE;
bndOptionButton(vg,rect.x,rect.y,rect.w,rect.h, state,
data->label);
} break;
case ST_RADIO:{
const UIRadioData *data = (UIRadioData*)head;
BNDwidgetState state = (BNDwidgetState)uiGetState(uictx, item);
if (*data->value == item)
state = BND_ACTIVE;
bndRadioButton(vg,rect.x,rect.y,rect.w,rect.h,
corners,state,
data->iconid,data->label);
} break;
case ST_SLIDER:{
const UISliderData *data = (UISliderData*)head;
BNDwidgetState state = (BNDwidgetState)uiGetState(uictx, item);
static char value[32];
sprintf(value,"%.0f%%",(*data->progress)*100.0f);
bndSlider(vg,rect.x,rect.y,rect.w,rect.h,
corners,state,
*data->progress,data->label,value);
} break;
case ST_TEXT: {
const UITextData *data = (UITextData*)head;
BNDwidgetState state = (BNDwidgetState)uiGetState(uictx, item);
int idx = strlen(data->text);
bndTextField(vg,rect.x,rect.y,rect.w,rect.h,
corners,state, -1, data->text, idx, idx);
} break;
case ST_DEMOSTUFF: {
draw_demostuff(vg, rect.x, rect.y, rect.w, rect.h);
} break;
case ST_RECT: {
const UIRectData *data = (UIRectData*)head;
if (rect.w && rect.h) {
BNDwidgetState state = (BNDwidgetState)uiGetState(uictx, item);
nvgSave(vg);
nvgStrokeColor(vg, nvgRGBAf(data->color.r,data->color.g,data->color.b,0.9f));
if (state != BND_DEFAULT) {
nvgFillColor(vg, nvgRGBAf(data->color.r,data->color.g,data->color.b,0.5f));
} else {
nvgFillColor(vg, nvgRGBAf(data->color.r,data->color.g,data->color.b,0.1f));
}
nvgStrokeWidth(vg,2);
nvgBeginPath(vg);
#if 0
nvgRect(vg,rect.x,rect.y,rect.w,rect.h);
#else
nvgRoundedRect(vg,rect.x,rect.y,rect.w,rect.h,3);
#endif
nvgFill(vg);
nvgStroke(vg);
if (state != BND_DEFAULT) {
nvgFillColor(vg, nvgRGBAf(0.0f,0.0f,0.0f,1.0f));
nvgFontSize(vg, 15.0f);
nvgBeginPath(vg);
nvgTextAlign(vg, NVG_ALIGN_TOP|NVG_ALIGN_CENTER);
nvgTextBox(vg, rect.x, rect.y+rect.h*0.3f, rect.w, data->label, NULL);
}
nvgRestore(vg);
}
nvgSave(vg);
nvgIntersectScissor(vg, rect.x, rect.y, rect.w, rect.h);
drawUIItems(ectx,item,corners);
nvgRestore(vg);
} break;
}
} else {
testrect(vg,rect);
drawUIItems(ectx,item,corners);
}
if (uiGetState(uictx, item) == UI_FROZEN) {
nvgGlobalAlpha(vg, 1.0);
}
}
int colorrect(UIcontext *uictx, const char *label, NVGcolor color) {
int item = uiItem(uictx);
UIRectData *data = (UIRectData *)uiAllocHandle(uictx, item, sizeof(UIRectData));
data->head.subtype = ST_RECT;
data->head.handler = NULL;
data->label = label;
data->color = color;
uiSetEvents(uictx, item, UI_BUTTON0_DOWN);
return item;
}
int label(UIcontext *uictx, int iconid, const char *label) {
int item = uiItem(uictx);
uiSetSize(uictx, item, 0, BND_WIDGET_HEIGHT);
UIButtonData *data = (UIButtonData *)uiAllocHandle(uictx, item, sizeof(UIButtonData));
data->head.subtype = ST_LABEL;
data->head.handler = NULL;
data->iconid = iconid;
data->label = label;
return item;
}
void demohandler(UIcontext *uictx, int item, UIevent event) {
const UIButtonData *data = (const UIButtonData *)uiGetHandle(uictx, item);
printf("clicked: %p %s\n", uiGetHandle(uictx, item), data->label);
}
int button(UIcontext *uictx, int iconid, const char *label, UIhandler handler) {
// create new ui item
int item = uiItem(uictx);
// set size of wiget; horizontal size is dynamic, vertical is fixed
uiSetSize(uictx, item, 0, BND_WIDGET_HEIGHT);
uiSetEvents(uictx, item, UI_BUTTON0_HOT_UP);
// store some custom data with the button that we use for styling
UIButtonData *data = (UIButtonData *)uiAllocHandle(uictx, item, sizeof(UIButtonData));
data->head.subtype = ST_BUTTON;
data->head.handler = handler;
data->iconid = iconid;
data->label = label;
return item;
}
void checkhandler(UIcontext *uictx, int item, UIevent event) {
const UICheckData *data = (const UICheckData *)uiGetHandle(uictx, item);
*data->option = !(*data->option);
}
int check(UIcontext *uictx, const char *label, bool *option) {
// create new ui item
int item = uiItem(uictx);
// set size of wiget; horizontal size is dynamic, vertical is fixed
uiSetSize(uictx, item, 0, BND_WIDGET_HEIGHT);
// attach event handler e.g. demohandler above
uiSetEvents(uictx, item, UI_BUTTON0_DOWN);
// store some custom data with the button that we use for styling
UICheckData *data = (UICheckData *)uiAllocHandle(uictx, item, sizeof(UICheckData));
data->head.subtype = ST_CHECK;
data->head.handler = checkhandler;
data->label = label;
data->option = option;
return item;
}
// simple logic for a slider
// starting offset of the currently active slider
static float sliderstart = 0.0;
// event handler for slider (same handler for all sliders)
void sliderhandler(UIcontext *uictx, int item, UIevent event) {
// retrieve the custom data we saved with the slider
UISliderData *data = (UISliderData *)uiGetHandle(uictx, item);
switch(event) {
default: break;
case UI_BUTTON0_DOWN: {
// button was pressed for the first time; capture initial
// slider value.
sliderstart = *data->progress;
} break;
case UI_BUTTON0_CAPTURE: {
// called for every frame that the button is pressed.
// get the delta between the click point and the current
// mouse position
UIvec2 pos = uiGetCursorStartDelta(uictx);
// get the items layouted rectangle
UIrect rc = uiGetRect(uictx, item);
// calculate our new offset and clamp
float value = sliderstart + ((float)pos.x / (float)rc.w);
value = (value<0)?0:(value>1)?1:value;
// assign the new value
*data->progress = value;
} break;
}
}
int slider(UIcontext *uictx, const char *label, float *progress) {
// create new ui item
int item = uiItem(uictx);
// set size of wiget; horizontal size is dynamic, vertical is fixed
uiSetSize(uictx, item, 0, BND_WIDGET_HEIGHT);
// attach our slider event handler and capture two classes of events
uiSetEvents(uictx, item, UI_BUTTON0_DOWN | UI_BUTTON0_CAPTURE);
// store some custom data with the button that we use for styling
// and logic, e.g. the pointer to the data we want to alter.
UISliderData *data = (UISliderData *)uiAllocHandle(uictx, item, sizeof(UISliderData));
data->head.subtype = ST_SLIDER;
data->head.handler = sliderhandler;
data->label = label;
data->progress = progress;
return item;
}
void textboxhandler(UIcontext *uictx, int item, UIevent event) {
UITextData *data = (UITextData *)uiGetHandle(uictx, item);
switch(event) {
default: break;
case UI_BUTTON0_DOWN: {
uiFocus(uictx, item);
} break;
case UI_KEY_DOWN: {
unsigned int key = uiGetKey(uictx);
switch(key) {
default: break;
case GLFW_KEY_BACKSPACE: {
int size = strlen(data->text);
if (!size) return;
data->text[size-1] = 0;
} break;
case GLFW_KEY_ENTER: {
uiFocus(uictx, -1);
} break;
}
} break;
case UI_CHAR: {
unsigned int key = uiGetKey(uictx);
if ((key > 255)||(key < 32)) return;
int size = strlen(data->text);
if (size >= (data->maxsize-1)) return;
data->text[size] = (char)key;
} break;
}
}
int textbox(UIcontext *uictx, char *text, int maxsize) {
int item = uiItem(uictx);
uiSetSize(uictx, item, 0, BND_WIDGET_HEIGHT);
uiSetEvents(uictx, item, UI_BUTTON0_DOWN | UI_KEY_DOWN | UI_CHAR);
// store some custom data with the button that we use for styling
// and logic, e.g. the pointer to the data we want to alter.
UITextData *data = (UITextData *)uiAllocHandle(uictx, item, sizeof(UITextData));
data->head.subtype = ST_TEXT;
data->head.handler = textboxhandler;
data->text = text;
data->maxsize = maxsize;
return item;
}
// simple logic for a radio button
void radiohandler(UIcontext *uictx, int item, UIevent event) {
UIRadioData *data = (UIRadioData *)uiGetHandle(uictx, item);
*data->value = item;
}
int radio(UIcontext *uictx, int iconid, const char *label, int *value) {
int item = uiItem(uictx);
uiSetSize(uictx, item, label?0:BND_TOOL_WIDTH, BND_WIDGET_HEIGHT);
UIRadioData *data = (UIRadioData *)uiAllocHandle(uictx, item, sizeof(UIRadioData));
data->head.subtype = ST_RADIO;
data->head.handler = radiohandler;
data->iconid = iconid;
data->label = label;
data->value = value;
uiSetEvents(uictx, item, UI_BUTTON0_DOWN);
return item;
}
int panel(UIcontext *uictx) {
int item = uiItem(uictx);
UIData *data = (UIData *)uiAllocHandle(uictx, item, sizeof(UIData));
data->subtype = ST_PANEL;
data->handler = NULL;
return item;
}
int hbox(UIcontext *uictx) {
int item = uiItem(uictx);
UIData *data = (UIData *)uiAllocHandle(uictx, item, sizeof(UIData));
data->subtype = ST_HBOX;
data->handler = NULL;
uiSetBox(uictx, item, UI_ROW);
return item;
}
int vbox(UIcontext *uictx) {
int item = uiItem(uictx);
UIData *data = (UIData *)uiAllocHandle(uictx, item, sizeof(UIData));
data->subtype = ST_VBOX;
data->handler = NULL;
uiSetBox(uictx, item, UI_COLUMN);
return item;
}
int column_append(UIcontext *uictx, int parent, int item) {
uiInsert(uictx, parent, item);
// fill parent horizontally, anchor to previous item vertically
uiSetLayout(uictx, item, UI_HFILL);
uiSetMargins(uictx, item, 0, 1, 0, 0);
return item;
}
int column(UIcontext *uictx) {
int item = uiItem(uictx);
uiSetBox(uictx, item, UI_COLUMN);
return item;
}
int vgroup_append(UIcontext *uictx, int parent, int item) {
uiInsert(uictx, parent, item);
// fill parent horizontally, anchor to previous item vertically
uiSetLayout(uictx, item, UI_HFILL);
return item;
}
int vgroup(UIcontext *uictx) {
int item = uiItem(uictx);
uiSetBox(uictx, item, UI_COLUMN);
return item;
}
int hgroup_append(UIcontext *uictx, int parent, int item) {
uiInsert(uictx, parent, item);
uiSetLayout(uictx, item, UI_HFILL);
return item;
}
int hgroup_append_fixed(UIcontext *uictx, int parent, int item) {
uiInsert(uictx, parent, item);
return item;
}
int hgroup(UIcontext *uictx) {
int item = uiItem(uictx);
uiSetBox(uictx, item, UI_ROW);
return item;
}
int row_append(UIcontext *uictx, int parent, int item) {
uiInsert(uictx, parent, item);
uiSetLayout(uictx, item, UI_HFILL);
return item;
}
int row(UIcontext *uictx) {
int item = uiItem(uictx);
uiSetBox(uictx, item, UI_ROW);
return item;
}
void draw_noodles(NVGcontext *vg, int x, int y) {
int w = 200;
int s = 70;
int i;
bndNodeBackground(vg, x+w, y-50, 100, 200, BND_DEFAULT, BND_ICONID(6,3),
"Default", nvgRGBf(0.392f,0.392f,0.392f));
bndNodeBackground(vg, x+w+120, y-50, 100, 200, BND_HOVER, BND_ICONID(6,3),
"Hover", nvgRGBf(0.392f,0.392f,0.392f));
bndNodeBackground(vg, x+w+240, y-50, 100, 200, BND_ACTIVE, BND_ICONID(6,3),
"Active", nvgRGBf(0.392f,0.392f,0.392f));
for (i = 0; i < 9; ++i) {
int a = i%3;
int b = i/3;
bndNodeWire(vg, x, y+s*a, x+w, y+s*b, (BNDwidgetState)a, (BNDwidgetState)b);
}
bndNodePort(vg, x, y, BND_DEFAULT, nvgRGBf(0.5f, 0.5f, 0.5f));
bndNodePort(vg, x+w, y, BND_DEFAULT, nvgRGBf(0.5f, 0.5f, 0.5f));
bndNodePort(vg, x, y+s, BND_HOVER, nvgRGBf(0.5f, 0.5f, 0.5f));
bndNodePort(vg, x+w, y+s, BND_HOVER, nvgRGBf(0.5f, 0.5f, 0.5f));
bndNodePort(vg, x, y+2*s, BND_ACTIVE, nvgRGBf(0.5f, 0.5f, 0.5f));
bndNodePort(vg, x+w, y+2*s, BND_ACTIVE, nvgRGBf(0.5f, 0.5f, 0.5f));
}
static void roothandler(UIcontext *uictx, int parent, UIevent event) {
switch(event) {
default: break;
case UI_SCROLL: {
UIvec2 pos = uiGetScroll(uictx);
printf("scroll! %d %d\n", pos.x, pos.y);
} break;
case UI_BUTTON0_DOWN: {
printf("%d clicks\n", uiGetClicks(uictx));
} break;
}
}
void draw_demostuff(NVGcontext *vg, int x, int y, float w, float h) {
nvgSave(vg);
nvgTranslate(vg, x, y);
bndSplitterWidgets(vg, 0, 0, w, h);
x = 10;
y = 10;
bndToolButton(vg,x,y,120,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_DEFAULT,
BND_ICONID(6,3),"Default");
y += 25;
bndToolButton(vg,x,y,120,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_HOVER,
BND_ICONID(6,3),"Hovered");
y += 25;
bndToolButton(vg,x,y,120,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_ACTIVE,
BND_ICONID(6,3),"Active");
y += 40;
bndRadioButton(vg,x,y,80,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_DEFAULT,
-1,"Default");
y += 25;
bndRadioButton(vg,x,y,80,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_HOVER,
-1,"Hovered");
y += 25;
bndRadioButton(vg,x,y,80,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_ACTIVE,
-1,"Active");
y += 25;
bndLabel(vg,x,y,120,BND_WIDGET_HEIGHT,-1,"Label:");
y += BND_WIDGET_HEIGHT;
bndChoiceButton(vg,x,y,80,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_DEFAULT,
-1, "Default");
y += 25;
bndChoiceButton(vg,x,y,80,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_HOVER,
-1, "Hovered");
y += 25;
bndChoiceButton(vg,x,y,80,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_ACTIVE,
-1, "Active");
y += 25;
int ry = y;
int rx = x;
y = 10;
x += 130;
bndOptionButton(vg,x,y,120,BND_WIDGET_HEIGHT,BND_DEFAULT,"Default");
y += 25;
bndOptionButton(vg,x,y,120,BND_WIDGET_HEIGHT,BND_HOVER,"Hovered");
y += 25;
bndOptionButton(vg,x,y,120,BND_WIDGET_HEIGHT,BND_ACTIVE,"Active");
y += 40;
bndNumberField(vg,x,y,120,BND_WIDGET_HEIGHT,BND_CORNER_DOWN,BND_DEFAULT,
"Top","100");
y += BND_WIDGET_HEIGHT-2;
bndNumberField(vg,x,y,120,BND_WIDGET_HEIGHT,BND_CORNER_ALL,BND_DEFAULT,
"Center","100");
y += BND_WIDGET_HEIGHT-2;
bndNumberField(vg,x,y,120,BND_WIDGET_HEIGHT,BND_CORNER_TOP,BND_DEFAULT,
"Bottom","100");
int mx = x-30;
int my = y-12;
int mw = 120;
bndMenuBackground(vg,mx,my,mw,120,BND_CORNER_TOP);
bndMenuLabel(vg,mx,my,mw,BND_WIDGET_HEIGHT,-1,"Menu Title");
my += BND_WIDGET_HEIGHT-2;
bndMenuItem(vg,mx,my,mw,BND_WIDGET_HEIGHT,BND_DEFAULT,
BND_ICONID(17,3),"Default");
my += BND_WIDGET_HEIGHT-2;
bndMenuItem(vg,mx,my,mw,BND_WIDGET_HEIGHT,BND_HOVER,
BND_ICONID(18,3),"Hovered");
my += BND_WIDGET_HEIGHT-2;
bndMenuItem(vg,mx,my,mw,BND_WIDGET_HEIGHT,BND_ACTIVE,
BND_ICONID(19,3),"Active");
y = 10;
x += 130;
int ox = x;
bndNumberField(vg,x,y,120,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_DEFAULT,
"Default","100");
y += 25;
bndNumberField(vg,x,y,120,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_HOVER,
"Hovered","100");
y += 25;
bndNumberField(vg,x,y,120,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_ACTIVE,
"Active","100");
y += 40;
bndRadioButton(vg,x,y,60,BND_WIDGET_HEIGHT,BND_CORNER_RIGHT,BND_DEFAULT,
-1,"One");
x += 60-1;
bndRadioButton(vg,x,y,60,BND_WIDGET_HEIGHT,BND_CORNER_ALL,BND_DEFAULT,
-1,"Two");
x += 60-1;
bndRadioButton(vg,x,y,60,BND_WIDGET_HEIGHT,BND_CORNER_ALL,BND_DEFAULT,
-1,"Three");
x += 60-1;
bndRadioButton(vg,x,y,60,BND_WIDGET_HEIGHT,BND_CORNER_LEFT,BND_ACTIVE,
-1,"Butts");
x = ox;
y += 40;
float progress_value = fmodf(glfwGetTime()/10.0,1.0);
char progress_label[32];
sprintf(progress_label, "%d%%", (int)(progress_value*100+0.5f));
bndSlider(vg,x,y,240,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_DEFAULT,
progress_value,"Default",progress_label);
y += 25;
bndSlider(vg,x,y,240,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_HOVER,
progress_value,"Hovered",progress_label);
y += 25;
bndSlider(vg,x,y,240,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_ACTIVE,
progress_value,"Active",progress_label);
int rw = x+240-rx;
float s_offset = sinf(glfwGetTime()/2.0)*0.5+0.5;
float s_size = cosf(glfwGetTime()/3.11)*0.5+0.5;
bndScrollBar(vg,rx,ry,rw,BND_SCROLLBAR_HEIGHT,BND_DEFAULT,s_offset,s_size);
ry += 20;
bndScrollBar(vg,rx,ry,rw,BND_SCROLLBAR_HEIGHT,BND_HOVER,s_offset,s_size);
ry += 20;
bndScrollBar(vg,rx,ry,rw,BND_SCROLLBAR_HEIGHT,BND_ACTIVE,s_offset,s_size);
const char edit_text[] = "The quick brown fox";
int textlen = strlen(edit_text)+1;
int t = (int)(glfwGetTime()*2);
int idx1 = (t/textlen)%textlen;
int idx2 = idx1 + (t%(textlen-idx1));
ry += 25;
bndTextField(vg,rx,ry,240,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_DEFAULT,
-1, edit_text, idx1, idx2);
ry += 25;
bndTextField(vg,rx,ry,240,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_HOVER,
-1, edit_text, idx1, idx2);
ry += 25;
bndTextField(vg,rx,ry,240,BND_WIDGET_HEIGHT,BND_CORNER_NONE,BND_ACTIVE,
-1, edit_text, idx1, idx2);
draw_noodles(vg, 20, ry+50);
rx += rw + 20;
ry = 10;
bndScrollBar(vg,rx,ry,BND_SCROLLBAR_WIDTH,240,BND_DEFAULT,s_offset,s_size);
rx += 20;
bndScrollBar(vg,rx,ry,BND_SCROLLBAR_WIDTH,240,BND_HOVER,s_offset,s_size);
rx += 20;
bndScrollBar(vg,rx,ry,BND_SCROLLBAR_WIDTH,240,BND_ACTIVE,s_offset,s_size);
x = ox;
y += 40;
bndToolButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_RIGHT,
BND_DEFAULT,BND_ICONID(0,10),NULL);
x += BND_TOOL_WIDTH-1;
bndToolButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_ALL,
BND_DEFAULT,BND_ICONID(1,10),NULL);
x += BND_TOOL_WIDTH-1;
bndToolButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_ALL,
BND_DEFAULT,BND_ICONID(2,10),NULL);
x += BND_TOOL_WIDTH-1;
bndToolButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_ALL,
BND_DEFAULT,BND_ICONID(3,10),NULL);
x += BND_TOOL_WIDTH-1;
bndToolButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_ALL,
BND_DEFAULT,BND_ICONID(4,10),NULL);
x += BND_TOOL_WIDTH-1;
bndToolButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_LEFT,
BND_DEFAULT,BND_ICONID(5,10),NULL);
x += BND_TOOL_WIDTH-1;
x += 5;
bndRadioButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_RIGHT,
BND_DEFAULT,BND_ICONID(0,11),NULL);
x += BND_TOOL_WIDTH-1;
bndRadioButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_ALL,
BND_DEFAULT,BND_ICONID(1,11),NULL);
x += BND_TOOL_WIDTH-1;
bndRadioButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_ALL,
BND_DEFAULT,BND_ICONID(2,11),NULL);
x += BND_TOOL_WIDTH-1;
bndRadioButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_ALL,
BND_DEFAULT,BND_ICONID(3,11),NULL);
x += BND_TOOL_WIDTH-1;
bndRadioButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_ALL,
BND_ACTIVE,BND_ICONID(4,11),NULL);
x += BND_TOOL_WIDTH-1;
bndRadioButton(vg,x,y,BND_TOOL_WIDTH,BND_WIDGET_HEIGHT,BND_CORNER_LEFT,
BND_DEFAULT,BND_ICONID(5,11),NULL);
nvgRestore(vg);
}
static int enum1 = -1;
void build_democontent(UIcontext *uictx, int parent) {
// some persistent variables for demonstration
static float progress1 = 0.25f;
static float progress2 = 0.75f;
static bool option1 = true;
static bool option2 = false;
static bool option3 = false;
int col = column(uictx);
uiInsert(uictx, parent, col);
uiSetMargins(uictx, col, 10, 10, 10, 10);
uiSetLayout(uictx, col, UI_TOP|UI_HFILL);
column_append(uictx, col, button(uictx, BND_ICON_GHOST, "Item 1", demohandler));
if (option3)
column_append(uictx, col, button(uictx, BND_ICON_GHOST, "Item 2", demohandler));
{
int h = column_append(uictx, col, hbox(uictx));
hgroup_append(uictx, h, radio(uictx, BND_ICON_GHOST, "Item 3.0", &enum1));
if (option2)
uiSetMargins(uictx, hgroup_append_fixed(uictx, h, radio(uictx, BND_ICON_REC, NULL, &enum1)), -1,0,0,0);
uiSetMargins(uictx, hgroup_append_fixed(uictx, h, radio(uictx, BND_ICON_PLAY, NULL, &enum1)), -1,0,0,0);
uiSetMargins(uictx, hgroup_append(uictx, h, radio(uictx, BND_ICON_GHOST, "Item 3.3", &enum1)), -1,0,0,0);
}
{
int rows = column_append(uictx, col, row(uictx));
int coll = row_append(uictx, rows, vgroup(uictx));
vgroup_append(uictx, coll, label(uictx, -1, "Items 4.0:"));
coll = vgroup_append(uictx, coll, vbox(uictx));
vgroup_append(uictx, coll, button(uictx, BND_ICON_GHOST, "Item 4.0.0", demohandler));
uiSetMargins(uictx, vgroup_append(uictx, coll, button(uictx, BND_ICON_GHOST, "Item 4.0.1", demohandler)),0,-2,0,0);
int colr = row_append(uictx, rows, vgroup(uictx));
uiSetMargins(uictx, colr, 8, 0, 0, 0);
uiSetFrozen(uictx, colr, option1);
vgroup_append(uictx, colr, label(uictx, -1, "Items 4.1:"));
colr = vgroup_append(uictx, colr, vbox(uictx));
vgroup_append(uictx, colr, slider(uictx, "Item 4.1.0", &progress1));
uiSetMargins(uictx, vgroup_append(uictx, colr, slider(uictx, "Item 4.1.1", &progress2)),0,-2,0,0);
}
column_append(uictx, col, button(uictx, BND_ICON_GHOST, "Item 5", NULL));
static char textbuffer[1024] = "The quick brown fox.";
column_append(uictx, col, textbox(uictx, textbuffer, 1024));
column_append(uictx, col, check(uictx, "Frozen", &option1));
column_append(uictx, col, check(uictx, "Item 7", &option2));
column_append(uictx, col, check(uictx, "Item 8", &option3));
}
int demorect(UIcontext *uictx, int parent, const char *label, float hue, int box, int layout, int w, int h, int m1, int m2, int m3, int m4) {
int item = colorrect(uictx, label, nvgHSL(hue, 1.0f, 0.8f));
uiSetLayout(uictx, item, layout);
uiSetBox(uictx, item, box);
uiSetMargins(uictx, item, m1, m2, m3, m4);
uiSetSize(uictx, item, w, h);
uiInsert(uictx, parent, item);
return item;
}
void build_layoutdemo(UIcontext *uictx, int parent) {
const int M = 10;
const int S = 150;
int box = demorect(uictx, parent, "Box( UI_LAYOUT )\nLayout( UI_FILL )", 0.6f, UI_LAYOUT, UI_FILL, 0, 0, M, M, M, M);
demorect(uictx, box, "Layout( UI_HFILL | UI_TOP )", 0.7f, 0, UI_HFILL|UI_TOP, S, S+M, M, M, M, 0);
demorect(uictx, box, "Layout( UI_HFILL )", 0.7f, 0, UI_HFILL, S, S+2*M, M, 0, M, 0);
demorect(uictx, box, "Layout( UI_HFILL | UI_DOWN )", 0.7f, 0, UI_HFILL|UI_DOWN, S, S+M, M, 0, M, M);
demorect(uictx, box, "Layout( UI_LEFT | UI_VFILL )", 0.7f, 0, UI_LEFT|UI_VFILL, S+M, S, M, M, 0, M);
demorect(uictx, box, "Layout( UI_VFILL )", 0.7f, 0, UI_VFILL, S+2*M, S, 0, M, 0, M);
demorect(uictx, box, "Layout( UI_RIGHT | UI_VFILL )", 0.7f, 0, UI_RIGHT|UI_VFILL, S+M, S, 0, M, M, M);
demorect(uictx, box, "Layout( UI_LEFT | UI_TOP )", 0.55f, 0, UI_LEFT|UI_TOP, S, S, M, M, 0, 0);
demorect(uictx, box, "Layout( UI_TOP )", 0.57f, 0, UI_TOP, S, S, 0, M, 0, 0);
demorect(uictx, box, "Layout( UI_RIGHT | UI_TOP )", 0.55f, 0, UI_RIGHT|UI_TOP, S, S, 0, M, M, 0);
demorect(uictx, box, "Layout( UI_LEFT )", 0.57f, 0, UI_LEFT, S, S, M, 0, 0, 0);
demorect(uictx, box, "Layout( UI_CENTER )", 0.59f, 0, UI_CENTER, S, S, 0, 0, 0, 0);
demorect(uictx, box, "Layout( UI_RIGHT )", 0.57f, 0, UI_RIGHT, S, S, 0, 0, M, 0);
demorect(uictx, box, "Layout( UI_LEFT | UI_DOWN )", 0.55f, 0, UI_LEFT|UI_DOWN, S, S, M, 0, 0, M);
demorect(uictx, box, "Layout( UI_DOWN)", 0.57f, 0, UI_DOWN, S, S, 0, 0, 0, M);
demorect(uictx, box, "Layout( UI_RIGHT | UI_DOWN )", 0.55f, 0, UI_RIGHT|UI_DOWN, S, S, 0, 0, M, M);
}
void build_rowdemo(UIcontext *uictx, int parent) {
uiSetBox(uictx, parent, UI_COLUMN);
const int M = 10;
const int S = 200;
const int T = 100;
{
int box = demorect(uictx, parent, "Box( UI_ROW )\nLayout( UI_LEFT | UI_VFILL )", 0.6f, UI_ROW, UI_LEFT|UI_VFILL, 0, S, M, M, M, M);
demorect(uictx, box, "Layout( UI_TOP )", 0.05f, 0, UI_TOP, T, T, M, M, M, 0);
demorect(uictx, box, "Layout( UI_VCENTER )", 0.1f, 0, UI_VCENTER, T, T, 0, 0, M, 0);
demorect(uictx, box, "Layout( UI_VFILL )", 0.15f, 0, UI_VFILL, T, T, 0, M, M, M);
demorect(uictx, box, "Layout( UI_DOWN )", 0.25f, 0, UI_DOWN, T, T, 0, 0, M, M);
}
{
int box = demorect(uictx, parent, "Box( UI_ROW | UI_JUSTIFY )\nLayout( UI_FILL )", 0.6f, UI_ROW|UI_JUSTIFY, UI_FILL, 0, S, M, 0, M, M);
demorect(uictx, box, "Layout( UI_TOP )", 0.05f, 0, UI_TOP, T, T, M, M, M, 0);
demorect(uictx, box, "Layout( UI_VCENTER )", 0.1f, 0, UI_VCENTER, T, T, 0, 0, M, 0);
demorect(uictx, box, "Layout( UI_VFILL )", 0.15f, 0, UI_VFILL, T, T, 0, M, M, M);
demorect(uictx, box, "Layout( UI_DOWN )", 0.25f, 0, UI_DOWN, T, T, 0, 0, M, M);
}
{
int box = demorect(uictx, parent, "Box( UI_ROW )\nLayout( UI_FILL )", 0.6f, UI_ROW, UI_FILL, 0, S, M, 0, M, M);
demorect(uictx, box, "Layout( UI_TOP )", 0.05f, 0, UI_TOP, T, T, M, M, M, 0);
demorect(uictx, box, "Layout( UI_VCENTER )", 0.1f, 0, UI_VCENTER, T, T, 0, 0, M, 0);
demorect(uictx, box, "Layout( UI_VFILL )", 0.15f, 0, UI_VFILL, T, T, 0, M, M, M);
demorect(uictx, box, "Layout( UI_HFILL )", 0.2f, 0, UI_HFILL, T, T, 0, 0, M, 0);
demorect(uictx, box, "Layout( UI_HFILL )", 0.2f, 0, UI_HFILL, T, T, 0, 0, M, 0);
demorect(uictx, box, "Layout( UI_HFILL )", 0.2f, 0, UI_HFILL, T, T, 0, 0, M, 0);
demorect(uictx, box, "Layout( UI_DOWN )", 0.25f, 0, UI_DOWN, T, T, 0, 0, M, M);
}
}
void build_columndemo(UIcontext *uictx, int parent) {
uiSetBox(uictx, parent, UI_ROW);
const int M = 10;
const int S = 200;
const int T = 100;
{
int box = demorect(uictx, parent, "Box( UI_COLUMN )\nLayout( UI_TOP | UI_HFILL )", 0.6f, UI_COLUMN, UI_TOP|UI_HFILL, S, 0, M, M, M, M);
demorect(uictx, box, "Layout( UI_LEFT )", 0.05f, 0, UI_LEFT, T, T, M, M, 0, M);
demorect(uictx, box, "Layout( UI_HCENTER )", 0.1f, 0, UI_HCENTER, T, T, 0, 0, 0, M);
demorect(uictx, box, "Layout( UI_HFILL )", 0.15f, 0, UI_HFILL, T, T, M, 0, M, M);
demorect(uictx, box, "Layout( UI_RIGHT )", 0.25f, 0, UI_RIGHT, T, T, 0, 0, M, M);
}
{
int box = demorect(uictx, parent, "Box( UI_COLUMN )\nLayout( UI_FILL )", 0.6f, UI_COLUMN, UI_FILL, S, 0, 0, M, M, M);
demorect(uictx, box, "Layout( UI_LEFT )", 0.05f, 0, UI_LEFT, T, T, M, M, 0, M);
demorect(uictx, box, "Layout( UI_HCENTER )", 0.1f, 0, UI_HCENTER, T, T, 0, 0, 0, M);
demorect(uictx, box, "Layout( UI_HFILL )", 0.15f, 0, UI_HFILL, T, T, M, 0, M, M);
demorect(uictx, box, "Layout( UI_RIGHT )", 0.25f, 0, UI_RIGHT, T, T, 0, 0, M, M);
}
{
int box = demorect(uictx, parent, "Box( UI_COLUMN )\nLayout( UI_FILL )", 0.6f, UI_COLUMN, UI_FILL, S, 0, 0, M, M, M);
demorect(uictx, box, "Layout( UI_LEFT )", 0.05f, 0, UI_LEFT, T, T, M, M, 0, M);
demorect(uictx, box, "Layout( UI_HCENTER )", 0.1f, 0, UI_HCENTER, T, T, 0, 0, 0, M);
demorect(uictx, box, "Layout( UI_HFILL )", 0.15f, 0, UI_HFILL, T, T, M, 0, M, M);
demorect(uictx, box, "Layout( UI_VFILL )", 0.2f, 0, UI_VFILL, T, T, 0, 0, 0, M);
demorect(uictx, box, "Layout( UI_VFILL )", 0.2f, 0, UI_VFILL, T, T, 0, 0, 0, M);
demorect(uictx, box, "Layout( UI_VFILL )", 0.2f, 0, UI_VFILL, T, T, 0, 0, 0, M);
demorect(uictx, box, "Layout( UI_RIGHT )", 0.25f, 0, UI_RIGHT, T, T, 0, 0, M, M);
}
}
void fill_wrap_row_box(UIcontext *uictx, int box) {
const int M = 5;
const int T = 50;
int i;
srand(303);
for (i = 0; i < 20; ++i) {
float hue = (float)(rand()%360)/360.0f;
int width = 10 + (rand()%5)*10;
int u;
switch(rand()%4) {
default: break;
case 0: {
u = demorect(uictx, box, "Layout( UI_TOP )",
hue, 0, UI_TOP, width, T, M, M, M, M);
} break;
case 1: {
u = demorect(uictx, box, "Layout( UI_VCENTER )",
hue, 0, UI_VCENTER, width, T/2, M, M, M, M);
} break;
case 2: {
u = demorect(uictx, box, "Layout( UI_VFILL )",
hue, 0, UI_VFILL, width, T, M, M, M, M);
} break;
case 3: {
u = demorect(uictx, box, "Layout( UI_DOWN )",
hue, 0, UI_DOWN, width, T/2, M, M, M, M);
} break;
}
if (rand()%10 == 0)
uiSetLayout(uictx, u, uiGetLayout(uictx, u)|UI_BREAK);
}
}
void fill_wrap_column_box(UIcontext *uictx, int box) {
const int M = 5;
const int T = 50;
int i;
srand(303);
for (i = 0; i < 20; ++i) {
float hue = (float)(rand()%360)/360.0f;
int height = 10 + (rand()%5)*10;
int u;
switch(rand()%4) {
default: break;
case 0: {
u = demorect(uictx, box, "Layout( UI_LEFT )",
hue, 0, UI_LEFT, T, height, M, M, M, M);