NK_API enum nk_widget_layout_states
nk_widget_fitting(struct nk_rect *bounds, struct nk_context *ctx,
struct nk_vec2 item_padding)
{
/* update the bounds to stand without padding */
struct nk_window *win;
struct nk_style *style;
struct nk_panel *layout;
enum nk_widget_layout_states state;
struct nk_vec2 panel_padding;
NK_ASSERT(ctx);
NK_ASSERT(ctx->current);
NK_ASSERT(ctx->current->layout);
if (!ctx || !ctx->current || !ctx->current->layout)
return NK_WIDGET_INVALID;
win = ctx->current;
style = &ctx->style;
layout = win->layout;
state = nk_widget(bounds, ctx);
panel_padding = nk_panel_get_padding(style, layout->type);
if (layout->row.index == 1) {
bounds->w += panel_padding.x;
bounds->x -= panel_padding.x;
} else bounds->x -= item_padding.x;
if (layout->row.index == layout->row.columns)
bounds->w += panel_padding.x;
else bounds->w += item_padding.x;
return state;
}
NK_API int
nk_menu_begin_symbol_text(struct nk_context *ctx, const char *title, int len,
nk_flags align, enum nk_symbol_type sym, struct nk_vec2 size)
{
struct nk_window *win;
struct nk_rect header;
const struct nk_input *in;
int is_clicked = nk_false;
nk_flags state;
NK_ASSERT(ctx);
NK_ASSERT(ctx->current);
NK_ASSERT(ctx->current->layout);
if (!ctx || !ctx->current || !ctx->current->layout)
return 0;
win = ctx->current;
state = nk_widget(&header, ctx);
if (!state) return 0;
in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input;
if (nk_do_button_text_symbol(&ctx->last_widget_state, &win->buffer,
header, sym, title, len, align, NK_BUTTON_DEFAULT, &ctx->style.menu_button,
ctx->style.font, in)) is_clicked = nk_true;
return nk_menu_begin(ctx, win, title, is_clicked, header, size);
}
static void
canvas_begin(struct nk_context *ctx, struct nk_canvas *canvas, nk_flags flags,
uint32_t x, uint32_t y, uint32_t width, uint32_t height, struct nk_color background_color){
/* save style properties which will be overwritten */
canvas->panel_padding = ctx->style.window.padding;
canvas->item_spacing = ctx->style.window.spacing;
canvas->window_background = ctx->style.window.fixed_background;
/* use the complete window space and set background */
ctx->style.window.spacing = nk_vec2(0,0);
ctx->style.window.padding = nk_vec2(0,0);
ctx->style.window.fixed_background = nk_style_item_color(background_color);
/* create/update window and set position + size */
flags = flags & ~NK_WINDOW_DYNAMIC;
nk_begin(ctx, "Window", nk_rect(x, y, width, height), NK_WINDOW_NO_SCROLLBAR|flags);
//nk_window_set_bounds(ctx, nk_rect(x, y, width, height));
/* allocate the complete window space for drawing */
{struct nk_rect total_space;
total_space = nk_window_get_content_region(ctx);
nk_layout_row_dynamic(ctx, total_space.h, 1);
nk_widget(&total_space, ctx);
canvas->painter = nk_window_get_canvas(ctx);}
}
NK_API int
nk_menu_begin_image(struct nk_context *ctx, const char *id, struct nk_image img,
struct nk_vec2 size)
{
struct nk_window *win;
struct nk_rect header;
const struct nk_input *in;
int is_clicked = nk_false;
nk_flags state;
NK_ASSERT(ctx);
NK_ASSERT(ctx->current);
NK_ASSERT(ctx->current->layout);
if (!ctx || !ctx->current || !ctx->current->layout)
return 0;
win = ctx->current;
state = nk_widget(&header, ctx);
if (!state) return 0;
in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input;
if (nk_do_button_image(&ctx->last_widget_state, &win->buffer, header,
img, NK_BUTTON_DEFAULT, &ctx->style.menu_button, in))
is_clicked = nk_true;
return nk_menu_begin(ctx, win, id, is_clicked, header, size);
}
static void hat_widget(struct nk_context* nk, unsigned char state)
{
float radius;
struct nk_rect area;
struct nk_vec2 center;
if (nk_widget(&area, nk) != NK_WIDGET_VALID)
return;
center = nk_vec2(area.x + area.w / 2.f, area.y + area.h / 2.f);
radius = NK_MIN(area.w, area.h) / 2.f;
nk_stroke_circle(nk_window_get_canvas(nk),
nk_rect(center.x - radius,
center.y - radius,
radius * 2.f,
radius * 2.f),
1.f,
nk_rgb(175, 175, 175));
if (state)
{
const float angles[] =
{
0.f, 0.f,
NK_PI * 1.5f, NK_PI * 1.75f,
NK_PI, 0.f,
NK_PI * 1.25f, 0.f,
NK_PI * 0.5f, NK_PI * 0.25f,
0.f, 0.f,
NK_PI * 0.75f, 0.f,
};
const float cosa = nk_cos(angles[state]);
const float sina = nk_sin(angles[state]);
const struct nk_vec2 p0 = nk_vec2(0.f, -radius);
const struct nk_vec2 p1 = nk_vec2( radius / 2.f, -radius / 3.f);
const struct nk_vec2 p2 = nk_vec2(-radius / 2.f, -radius / 3.f);
nk_fill_triangle(nk_window_get_canvas(nk),
center.x + cosa * p0.x + sina * p0.y,
center.y + cosa * p0.y - sina * p0.x,
center.x + cosa * p1.x + sina * p1.y,
center.y + cosa * p1.y - sina * p1.x,
center.x + cosa * p2.x + sina * p2.y,
center.y + cosa * p2.y - sina * p2.x,
nk_rgb(175, 175, 175));
}
}
/* ===============================================================
*
* CUSTOM WIDGET
*
* ===============================================================*/
static int
ui_piemenu(struct nk_context *ctx, struct nk_vec2 pos, float radius,
struct nk_image *icons, int item_count)
{
int ret = -1;
struct nk_rect total_space;
struct nk_rect bounds;
int active_item = 0;
/* pie menu popup */
struct nk_color border = ctx->style.window.border_color;
struct nk_style_item background = ctx->style.window.fixed_background;
ctx->style.window.fixed_background = nk_style_item_hide();
ctx->style.window.border_color = nk_rgba(0,0,0,0);
total_space = nk_window_get_content_region(ctx);
ctx->style.window.spacing = nk_vec2(0,0);
ctx->style.window.padding = nk_vec2(0,0);
if (nk_popup_begin(ctx, NK_POPUP_STATIC, "piemenu", NK_WINDOW_NO_SCROLLBAR,
nk_rect(pos.x - total_space.x - radius, pos.y - radius - total_space.y,
2*radius,2*radius)))
{
int i = 0;
struct nk_command_buffer* out = nk_window_get_canvas(ctx);
const struct nk_input *in = &ctx->input;
total_space = nk_window_get_content_region(ctx);
ctx->style.window.spacing = nk_vec2(4,4);
ctx->style.window.padding = nk_vec2(8,8);
nk_layout_row_dynamic(ctx, total_space.h, 1);
nk_widget(&bounds, ctx);
/* outer circle */
nk_fill_circle(out, bounds, nk_rgb(50,50,50));
{
/* circle buttons */
float step = (2 * 3.141592654f) / (float)(MAX(1,item_count));
float a_min = 0; float a_max = step;
struct nk_vec2 center = nk_vec2(bounds.x + bounds.w / 2.0f, bounds.y + bounds.h / 2.0f);
struct nk_vec2 drag = nk_vec2(in->mouse.pos.x - center.x, in->mouse.pos.y - center.y);
float angle = (float)atan2(drag.y, drag.x);
if (angle < -0.0f) angle += 2.0f * 3.141592654f;
active_item = (int)(angle/step);
for (i = 0; i < item_count; ++i) {
struct nk_rect content;
float rx, ry, dx, dy, a;
nk_fill_arc(out, center.x, center.y, (bounds.w/2.0f),
a_min, a_max, (active_item == i) ? nk_rgb(45,100,255): nk_rgb(60,60,60));
/* separator line */
rx = bounds.w/2.0f; ry = 0;
dx = rx * (float)cos(a_min) - ry * (float)sin(a_min);
dy = rx * (float)sin(a_min) + ry * (float)cos(a_min);
nk_stroke_line(out, center.x, center.y,
center.x + dx, center.y + dy, 1.0f, nk_rgb(50,50,50));
/* button content */
a = a_min + (a_max - a_min)/2.0f;
rx = bounds.w/2.5f; ry = 0;
content.w = 30; content.h = 30;
content.x = center.x + ((rx * (float)cos(a) - ry * (float)sin(a)) - content.w/2.0f);
content.y = center.y + (rx * (float)sin(a) + ry * (float)cos(a) - content.h/2.0f);
nk_draw_image(out, content, &icons[i], nk_rgb(255,255,255));
a_min = a_max; a_max += step;
}
}
{
/* inner circle */
struct nk_rect inner;
inner.x = bounds.x + bounds.w/2 - bounds.w/4;
inner.y = bounds.y + bounds.h/2 - bounds.h/4;
inner.w = bounds.w/2; inner.h = bounds.h/2;
nk_fill_circle(out, inner, nk_rgb(45,45,45));
/* active icon content */
bounds.w = inner.w / 2.0f;
bounds.h = inner.h / 2.0f;
bounds.x = inner.x + inner.w/2 - bounds.w/2;
bounds.y = inner.y + inner.h/2 - bounds.h/2;
nk_draw_image(out, bounds, &icons[active_item], nk_rgb(255,255,255));
}
nk_layout_space_end(ctx);
if (!nk_input_is_mouse_down(&ctx->input, NK_BUTTON_RIGHT)) {
nk_popup_close(ctx);
ret = active_item;
}
} else ret = -2;
ctx->style.window.spacing = nk_vec2(4,4);
ctx->style.window.padding = nk_vec2(8,8);
nk_popup_end(ctx);
ctx->style.window.fixed_background = background;
ctx->style.window.border_color = border;
return ret;
}
int main(int argc, char** argv)
{
if (argc > 2)
message_and_abort_fmt("Usage: %s [filename]", argv[0]);
Render::RenderSettings renderSettings;
renderSettings.windowWidth = 800;
renderSettings.windowHeight = 600;
renderSettings.fullscreen = false;
NuklearMisc::StandaloneGuiHandler guiHandler("Cel Viewer", renderSettings);
nk_context* ctx = guiHandler.getNuklearContext();
Settings::Settings settings;
settings.loadFromFile("resources/celview.ini");
bool faioInitDone = false;
std::string listFile = settings.get<std::string>("celview", "listFile", "Diablo I.txt");
std::string mpqFile = settings.get<std::string>("celview", "mpqFile", "DIABDAT.MPQ");
std::vector<std::string> celFiles;
std::string selectedImage = "";
std::unique_ptr<NuklearMisc::GuiSprite> image;
std::unique_ptr<NuklearMisc::GuiSprite> nextImage;
int animate = false;
int32_t frame = 0;
float rowHeight = 30;
auto lastFrame = std::chrono::high_resolution_clock::now();
bool quit = false;
while (!quit)
{
auto now = std::chrono::high_resolution_clock::now();
if (nextImage)
image = std::unique_ptr<NuklearMisc::GuiSprite>(nextImage.release());
renderSettings = Render::getWindowSize();
if (nk_begin(ctx, "main_window", nk_rect(0, 0, renderSettings.windowWidth, renderSettings.windowHeight), NK_WINDOW_NO_SCROLLBAR))
{
struct nk_rect bounds = nk_window_get_content_region(ctx);
nk_layout_row_dynamic(ctx, bounds.h, 2);
if (nk_group_begin(ctx, "image", 0))
{
nk_layout_row_dynamic(ctx, rowHeight, 1);
std::string label = selectedImage;
if (selectedImage == "")
label = "No image selected";
nk_label(ctx, label.c_str(), NK_TEXT_CENTERED);
nk_checkbox_label(ctx, "Animate", &animate);
if (image)
{
nk_label(ctx, (boost::format("Number of Frames: %1%") % image.get()->getSprite()->size()).str().c_str(), NK_TEXT_LEFT);
nk_label(ctx, (boost::format("Width: %1%") % image->getSprite()->getWidth()).str().c_str(), NK_TEXT_LEFT);
nk_label(ctx, (boost::format("Height: %1%") % image->getSprite()->getHeight()).str().c_str(), NK_TEXT_LEFT);
frame = nk_propertyi(ctx, "Frame", 0, frame, image->getSprite()->size(), 1, 0.2f);
if (nk_button_label(ctx, "save as png"))
{
nfdchar_t* outPath = NULL;
nfdresult_t result = NFD_SaveDialog("png", NULL, &outPath);
if (result == NFD_OKAY)
{
Render::SpriteGroup::toPng(selectedImage, outPath);
free(outPath);
}
}
if (nk_button_label(ctx, "save as gif"))
{
nfdchar_t* outPath = NULL;
nfdresult_t result = NFD_SaveDialog("gif", NULL, &outPath);
if (result == NFD_OKAY)
{
Render::SpriteGroup::toGif(selectedImage, outPath);
free(outPath);
}
}
auto msSinceLastFrame = std::chrono::duration_cast<std::chrono::milliseconds>(now - lastFrame).count();
if (animate && msSinceLastFrame > 100)
{
lastFrame = now;
frame++;
}
if (frame >= (int32_t)image.get()->getSprite()->size())
frame = 0;
Render::Sprite sprite = image.get()->getSprite()->operator[](frame);
int32_t w, h;
Render::spriteSize(sprite, w, h);
nk_layout_space_begin(ctx, NK_STATIC, h, 1);
{
nk_layout_space_push(ctx, nk_rect(0, 0, w, h));
auto canvas = nk_window_get_canvas(ctx);
struct nk_rect imageRect;
nk_widget(&imageRect, ctx);
nk_fill_rect(canvas, imageRect, 0.0, nk_rgb(0, 255, 0));
auto img = image.get()->getNkImage(frame);
nk_draw_image(canvas, imageRect, &img, nk_rgb(255, 255, 255));
}
nk_layout_space_end(ctx);
}
nk_group_end(ctx);
}
if (nk_group_begin(ctx, "file list", 0))
{
if (!faioInitDone)
{
nk_layout_row_dynamic(ctx, rowHeight * 2, 1);
NuklearMisc::nk_file_pick(ctx, "DIABDAT.MPQ", mpqFile, "mpq,MPQ", rowHeight);
NuklearMisc::nk_file_pick(ctx, "Diablo listfile", listFile, "txt", rowHeight);
if (nk_button_label(ctx, "load"))
{
FAIO::init(mpqFile, listFile);
celFiles = FAIO::listMpqFiles("*.cel");
auto tmp = FAIO::listMpqFiles("*.cl2");
celFiles.insert(celFiles.end(), tmp.begin(), tmp.end());
std::sort(celFiles.begin(), celFiles.end());
settings.set<std::string>("celview", "listFile", listFile);
settings.set<std::string>("celview", "mpqFile", mpqFile);
settings.save();
faioInitDone = true;
if (argc > 1)
{
selectedImage = argv[1];
frame = 0;
nextImage = std::unique_ptr<NuklearMisc::GuiSprite>(guiHandler.getSprite(new Render::SpriteGroup(selectedImage)));
}
}
}
nk_layout_row_dynamic(ctx, rowHeight, 1);
for (size_t i = 0; i < celFiles.size(); i++)
{
auto buttonStyle = ctx->style.button;
if (selectedImage == celFiles[i])
buttonStyle.normal = buttonStyle.hover;
if (nk_button_label_styled(ctx, &buttonStyle, celFiles[i].c_str()))
{
selectedImage = celFiles[i];
frame = 0;
nextImage = std::unique_ptr<NuklearMisc::GuiSprite>(guiHandler.getSprite(new Render::SpriteGroup(selectedImage)));
}
}
nk_group_end(ctx);
}
}
nk_end(ctx);
quit = guiHandler.update();
}
FAIO::quit();
return 0;
}
NK_API int
nk_combo_begin_image_text(struct nk_context *ctx, const char *selected, int len,
struct nk_image img, struct nk_vec2 size)
{
struct nk_window *win;
struct nk_style *style;
struct nk_input *in;
struct nk_rect header;
int is_clicked = nk_false;
enum nk_widget_layout_states s;
const struct nk_style_item *background;
struct nk_text text;
NK_ASSERT(ctx);
NK_ASSERT(ctx->current);
NK_ASSERT(ctx->current->layout);
if (!ctx || !ctx->current || !ctx->current->layout)
return 0;
win = ctx->current;
style = &ctx->style;
s = nk_widget(&header, ctx);
if (!s) return 0;
in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input;
if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT))
is_clicked = nk_true;
/* draw combo box header background and border */
if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVED) {
background = &style->combo.active;
text.text = style->combo.label_active;
} else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVER) {
background = &style->combo.hover;
text.text = style->combo.label_hover;
} else {
background = &style->combo.normal;
text.text = style->combo.label_normal;
}
if (background->type == NK_STYLE_ITEM_IMAGE) {
text.background = nk_rgba(0,0,0,0);
nk_draw_image(&win->buffer, header, &background->data.image, nk_white);
} else {
text.background = background->data.color;
nk_fill_rect(&win->buffer, header, style->combo.rounding, background->data.color);
nk_stroke_rect(&win->buffer, header, style->combo.rounding, style->combo.border, style->combo.border_color);
}
{
struct nk_rect content;
struct nk_rect button;
struct nk_rect label;
struct nk_rect image;
enum nk_symbol_type sym;
if (ctx->last_widget_state & NK_WIDGET_STATE_HOVER)
sym = style->combo.sym_hover;
else if (is_clicked)
sym = style->combo.sym_active;
else sym = style->combo.sym_normal;
/* calculate button */
button.w = header.h - 2 * style->combo.button_padding.y;
button.x = (header.x + header.w - header.h) - style->combo.button_padding.x;
button.y = header.y + style->combo.button_padding.y;
button.h = button.w;
content.x = button.x + style->combo.button.padding.x;
content.y = button.y + style->combo.button.padding.y;
content.w = button.w - 2 * style->combo.button.padding.x;
content.h = button.h - 2 * style->combo.button.padding.y;
nk_draw_button_symbol(&win->buffer, &button, &content, ctx->last_widget_state,
&ctx->style.combo.button, sym, style->font);
/* draw image */
image.x = header.x + style->combo.content_padding.x;
image.y = header.y + style->combo.content_padding.y;
image.h = header.h - 2 * style->combo.content_padding.y;
image.w = image.h;
nk_draw_image(&win->buffer, image, &img, nk_white);
/* draw label */
text.padding = nk_vec2(0,0);
label.x = image.x + image.w + style->combo.spacing.x + style->combo.content_padding.x;
label.y = header.y + style->combo.content_padding.y;
label.w = (button.x - style->combo.content_padding.x) - label.x;
label.h = header.h - 2 * style->combo.content_padding.y;
nk_widget_text(&win->buffer, label, selected, len, &text, NK_TEXT_LEFT, style->font);
}
return nk_combo_begin(ctx, win, size, is_clicked, header);
}
NK_API int
nk_combo_begin_image(struct nk_context *ctx, struct nk_image img, struct nk_vec2 size)
{
struct nk_window *win;
struct nk_style *style;
const struct nk_input *in;
struct nk_rect header;
int is_clicked = nk_false;
enum nk_widget_layout_states s;
const struct nk_style_item *background;
NK_ASSERT(ctx);
NK_ASSERT(ctx->current);
NK_ASSERT(ctx->current->layout);
if (!ctx || !ctx->current || !ctx->current->layout)
return 0;
win = ctx->current;
style = &ctx->style;
s = nk_widget(&header, ctx);
if (s == NK_WIDGET_INVALID)
return 0;
in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input;
if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT))
is_clicked = nk_true;
/* draw combo box header background and border */
if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVED)
background = &style->combo.active;
else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVER)
background = &style->combo.hover;
else background = &style->combo.normal;
if (background->type == NK_STYLE_ITEM_IMAGE) {
nk_draw_image(&win->buffer, header, &background->data.image, nk_white);
} else {
nk_fill_rect(&win->buffer, header, style->combo.rounding, background->data.color);
nk_stroke_rect(&win->buffer, header, style->combo.rounding, style->combo.border, style->combo.border_color);
}
{
struct nk_rect bounds = {0,0,0,0};
struct nk_rect content;
struct nk_rect button;
enum nk_symbol_type sym;
if (ctx->last_widget_state & NK_WIDGET_STATE_HOVER)
sym = style->combo.sym_hover;
else if (is_clicked)
sym = style->combo.sym_active;
else sym = style->combo.sym_normal;
/* calculate button */
button.w = header.h - 2 * style->combo.button_padding.y;
button.x = (header.x + header.w - header.h) - style->combo.button_padding.y;
button.y = header.y + style->combo.button_padding.y;
button.h = button.w;
content.x = button.x + style->combo.button.padding.x;
content.y = button.y + style->combo.button.padding.y;
content.w = button.w - 2 * style->combo.button.padding.x;
content.h = button.h - 2 * style->combo.button.padding.y;
/* draw image */
bounds.h = header.h - 2 * style->combo.content_padding.y;
bounds.y = header.y + style->combo.content_padding.y;
bounds.x = header.x + style->combo.content_padding.x;
bounds.w = (button.x - style->combo.content_padding.y) - bounds.x;
nk_draw_image(&win->buffer, bounds, &img, nk_white);
/* draw open/close button */
nk_draw_button_symbol(&win->buffer, &bounds, &content, ctx->last_widget_state,
&ctx->style.combo.button, sym, style->font);
}
return nk_combo_begin(ctx, win, size, is_clicked, header);
}
