Split engine modules into .h and .c pairs

1 files changed, 0 insertions, 535 deletions

diff --git a/kon/konui.h b/kon/konui.h
index e03b7fe..1a5e581 100644
--- a/kon/konui.h
+++ b/kon/konui.h
@@ -87,538 +87,3 @@ void kon_uiPopId(kon_ui_t *ui);
 kon_rect_t kon_uiLastRect(const kon_ui_t *ui);
 
 #endif
-
-/*** implementation ***/
-
-#ifdef KONUI_IMPLEMENTATION
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdarg.h>
-
-#define KON_UI_IDS 16
-#define KON_UI_TEXTQUEUE 32
-
-struct kon_ui {
-	kon_font_t *font;
-	kon_framebuffer_t *fb;
-	kon_uiTheme_t theme;
-	int lineH, ascent;
-
-	int mouseX, mouseY;
-	int mouseDown, mousePressed, mouseReleased;
-	int keyPressed[KON_KEY_COUNT];
-	unsigned int text[KON_UI_TEXTQUEUE];
-	int textCount;
-
-	uint32_t active, focus;
-	uint32_t topPanel, topPanelNext;
-	int wantsMouse;
-	int focusKept;
-	int dragX, dragY;
-
-	uint32_t ids[KON_UI_IDS];
-	int idCount;
-
-	kon_uiPanel_t *panel;
-	uint32_t panelId;
-	int cx, cy, availW;
-	int sameLine;
-	kon_rect_t last;
-	int cursor;
-};
-
-/*** private helpers ***/
-
-static uint32_t kon_uiHash_(const kon_ui_t *ui, const char *s)
-{
-	uint32_t h = ui->idCount ? ui->ids[ui->idCount - 1] : 2166136261u;
-
-	while (*s) {
-		h ^= (unsigned char)*s++;
-		h *= 16777619u;
-	}
-	return h ? h : 1;
-}
-
-static size_t kon_uiVisibleLength_(const char *s)
-{
-	size_t n = 0;
-
-	while (s[n]) {
-		if (s[n] == '#' && s[n + 1] == '#') break;
-		n++;
-	}
-	return n;
-}
-
-static int kon_uiInside_(const kon_ui_t *ui, kon_rect_t r)
-{
-	return ui->mouseX >= r.x && ui->mouseX < r.x + r.w && ui->mouseY >= r.y && ui->mouseY < r.y + r.h;
-}
-
-/* the mouse can only reach this widget if its panel is the topmost one under it */
-static int kon_uiReachable_(const kon_ui_t *ui)
-{
-	return ui->topPanel == ui->panelId;
-}
-
-static int kon_uiTextWidth_(const kon_ui_t *ui, const char *s, size_t n)
-{
-	char buffer[256];
-	int w = 0;
-
-	if (n > sizeof(buffer) - 1) n = sizeof(buffer) - 1;
-	memcpy(buffer, s, n);
-	buffer[n] = 0;
-	kon_measureText(ui->font, buffer, &w, NULL);
-	return w;
-}
-
-static void kon_uiDrawText_(const kon_ui_t *ui, int x, int y, const char *s, size_t n, uint32_t color)
-{
-	char buffer[256];
-
-	if (n > sizeof(buffer) - 1) n = sizeof(buffer) - 1;
-	memcpy(buffer, s, n);
-	buffer[n] = 0;
-	kon_drawText(ui->fb, ui->font, x, y + ui->ascent, buffer, color);
-}
-
-static kon_rect_t kon_uiNextRect_(kon_ui_t *ui, int w, int h)
-{
-	kon_rect_t r;
-
-	if (ui->sameLine) {
-		r.x = ui->last.x + ui->last.w + ui->theme.spacing;
-		r.y = ui->last.y;
-	} else {
-		r.x = ui->cx;
-		r.y = ui->cy;
-	}
-	r.w = w > 0 ? w : ui->availW;
-	r.h = h;
-
-	if (!ui->sameLine) ui->cy += h + ui->theme.spacing;
-	ui->sameLine = 0;
-	ui->last = r;
-	return r;
-}
-
-static void kon_uiFill_(const kon_ui_t *ui, kon_rect_t r, uint32_t color)
-{
-	kon_fillRectangle(ui->fb, r.x, r.y, r.w, r.h, color);
-}
-
-static void kon_uiOutline_(const kon_ui_t *ui, kon_rect_t r, uint32_t color)
-{
-	kon_drawRectangle(ui->fb, r.x, r.y, r.w - 1, r.h - 1, color);
-}
-
-/* hover and press handling shared by everything clickable. returns 1 when it was clicked */
-static int kon_uiBehave_(kon_ui_t *ui, uint32_t id, kon_rect_t r, int *hovered)
-{
-	int over = kon_uiReachable_(ui) && kon_uiInside_(ui, r) && (ui->active == 0 || ui->active == id);
-	int clicked = 0;
-
-	if (over && ui->mousePressed) ui->active = id;
-	if (ui->active == id && ui->mouseReleased) {
-		clicked = over;
-		ui->active = 0;
-	}
-	if (hovered) *hovered = over;
-	return clicked;
-}
-
-static uint32_t kon_uiWidgetColor_(const kon_ui_t *ui, uint32_t id, int hovered)
-{
-	if (ui->active == id) return ui->theme.active;
-	return hovered ? ui->theme.hover : ui->theme.widget;
-}
-
-/*** ui ***/
-
-kon_ui_t *kon_uiCreate(kon_font_t *font)
-{
-	kon_ui_t *ui;
-	int h = 0;
-
-	if (!font) return NULL;
-	ui = calloc(1, sizeof(kon_ui_t));
-	if (!ui) return NULL;
-
-	ui->font = font;
-	kon_measureText(font, "A", NULL, &h);
-	ui->ascent = h * 4 / 5;
-	ui->lineH = h + 4;
-
-	ui->theme.panel = 0xE0202028;
-	ui->theme.title = 0xFF383848;
-	ui->theme.text = 0xFFE8E8F0;
-	ui->theme.textDim = 0xFF8888A0;
-	ui->theme.widget = 0xFF404058;
-	ui->theme.hover = 0xFF505070;
-	ui->theme.active = 0xFF6060A0;
-	ui->theme.accent = 0xFF7088E0;
-	ui->theme.border = 0xFF101018;
-	ui->theme.padding = 4;
-	ui->theme.spacing = 3;
-	return ui;
-}
-
-void kon_uiDestroy(kon_ui_t *ui)
-{
-	free(ui);
-}
-
-kon_uiTheme_t *kon_uiTheme(kon_ui_t *ui)
-{
-	return &ui->theme;
-}
-
-void kon_uiFeedEvent(kon_ui_t *ui, const kon_event_t *event)
-{
-	switch (event->type) {
-	case KON_EVENT_MOUSE_MOVE:
-		ui->mouseX = event->mouseX;
-		ui->mouseY = event->mouseY;
-		break;
-	case KON_EVENT_MOUSE_DOWN:
-		ui->mouseX = event->mouseX;
-		ui->mouseY = event->mouseY;
-		if (event->mouseButton == KON_MOUSE_LEFT) {
-			ui->mouseDown = 1;
-			ui->mousePressed = 1;
-		}
-		break;
-	case KON_EVENT_MOUSE_UP:
-		ui->mouseX = event->mouseX;
-		ui->mouseY = event->mouseY;
-		if (event->mouseButton == KON_MOUSE_LEFT) {
-			ui->mouseDown = 0;
-			ui->mouseReleased = 1;
-		}
-		break;
-	case KON_EVENT_KEY_DOWN:
-		if (event->key >= 0 && event->key < KON_KEY_COUNT) ui->keyPressed[event->key] = 1;
-		break;
-	case KON_EVENT_TEXT:
-		if (ui->textCount < KON_UI_TEXTQUEUE) ui->text[ui->textCount++] = event->codepoint;
-		break;
-	default:
-		break;
-	}
-}
-
-void kon_uiBegin(kon_ui_t *ui, kon_framebuffer_t *fb)
-{
-	ui->fb = fb;
-	ui->topPanel = ui->topPanelNext;
-	ui->topPanelNext = 0;
-	ui->focusKept = 0;
-	ui->panel = NULL;
-	ui->panelId = 0;
-	ui->idCount = 0;
-	ui->sameLine = 0;
-	ui->cx = ui->theme.padding;
-	ui->cy = ui->theme.padding;
-	ui->availW = fb->width - ui->theme.padding * 2;
-}
-
-void kon_uiEnd(kon_ui_t *ui)
-{
-	if (ui->mousePressed && !ui->focusKept) ui->focus = 0;
-	if (!ui->mouseDown && ui->active) ui->active = 0;
-
-	ui->wantsMouse = ui->topPanelNext != 0 || ui->active != 0;
-
-	ui->mousePressed = 0;
-	ui->mouseReleased = 0;
-	memset(ui->keyPressed, 0, sizeof(ui->keyPressed));
-	ui->textCount = 0;
-	ui->fb = NULL;
-}
-
-int kon_uiWantsMouse(const kon_ui_t *ui)
-{
-	return ui->wantsMouse;
-}
-
-int kon_uiWantsKeyboard(const kon_ui_t *ui)
-{
-	return ui->focus != 0;
-}
-
-void kon_uiPushId(kon_ui_t *ui, int id)
-{
-	uint32_t h = ui->idCount ? ui->ids[ui->idCount - 1] : 2166136261u;
-
-	if (ui->idCount == KON_UI_IDS) return;
-	h ^= (uint32_t)id;
-	h *= 16777619u;
-	ui->ids[ui->idCount++] = h;
-}
-
-void kon_uiPopId(kon_ui_t *ui)
-{
-	if (ui->idCount) ui->idCount--;
-}
-
-kon_rect_t kon_uiLastRect(const kon_ui_t *ui)
-{
-	return ui->last;
-}
-
-/*** panels ***/
-
-int kon_uiBeginPanel(kon_ui_t *ui, const char *title, kon_uiPanel_t *panel)
-{
-	uint32_t id = kon_uiHash_(ui, title);
-	uint32_t dragId = id ^ 0x9E3779B9u;
-	int pad = ui->theme.padding, titleH = ui->lineH + pad;
-	kon_rect_t whole, bar, arrow;
-	int h, hovered;
-
-	if (ui->panel) return 0;
-	if (panel->w <= 0) panel->w = 220;
-
-	h = panel->collapsed ? titleH : (panel->h > 0 ? panel->h : panel->contentH);
-	if (h < titleH) h = titleH;
-
-	whole = KON_RECT(panel->x, panel->y, panel->w, h);
-	bar = KON_RECT(panel->x, panel->y, panel->w, titleH);
-	arrow = KON_RECT(panel->x, panel->y, titleH, titleH);
-
-	if (kon_uiInside_(ui, whole)) ui->topPanelNext = id;
-
-	ui->panelId = id;
-	ui->panel = panel;
-
-	if (kon_uiBehave_(ui, id ^ 1u, arrow, &hovered)) panel->collapsed = !panel->collapsed;
-
-	if (ui->active == 0 && ui->mousePressed && kon_uiReachable_(ui) && kon_uiInside_(ui, bar) && !kon_uiInside_(ui, arrow)) {
-		ui->active = dragId;
-		ui->dragX = ui->mouseX - panel->x;
-		ui->dragY = ui->mouseY - panel->y;
-	}
-	if (ui->active == dragId) {
-		panel->x = ui->mouseX - ui->dragX;
-		panel->y = ui->mouseY - ui->dragY;
-		if (panel->x < 40 - panel->w) panel->x = 40 - panel->w;
-		if (panel->x > ui->fb->width - 40) panel->x = ui->fb->width - 40;
-		if (panel->y < 0) panel->y = 0;
-		if (panel->y > ui->fb->height - titleH) panel->y = ui->fb->height - titleH;
-		if (ui->mouseReleased) ui->active = 0;
-		whole.x = bar.x = arrow.x = panel->x;
-		whole.y = bar.y = arrow.y = panel->y;
-	}
-
-	kon_uiFill_(ui, whole, ui->theme.panel);
-	kon_uiFill_(ui, bar, ui->theme.title);
-	kon_uiOutline_(ui, whole, ui->theme.border);
-	kon_uiDrawText_(ui, arrow.x + pad, arrow.y + pad / 2, panel->collapsed ? "+" : "-", 1, ui->theme.textDim);
-	kon_uiDrawText_(ui, panel->x + titleH, panel->y + pad / 2, title, kon_uiVisibleLength_(title), ui->theme.text);
-
-	ui->cx = panel->x + pad;
-	ui->cy = panel->y + titleH + pad;
-	ui->availW = panel->w - pad * 2;
-	ui->sameLine = 0;
-	return !panel->collapsed;
-}
-
-void kon_uiEndPanel(kon_ui_t *ui)
-{
-	if (!ui->panel) return;
-	ui->panel->contentH = ui->cy - ui->panel->y + ui->theme.padding - ui->theme.spacing;
-	ui->panel = NULL;
-	ui->panelId = 0;
-	ui->cx = ui->theme.padding;
-	ui->cy = ui->theme.padding;
-	ui->availW = ui->fb->width - ui->theme.padding * 2;
-}
-
-/*** widgets ***/
-
-void kon_uiLabel(kon_ui_t *ui, const char *text)
-{
-	size_t n = kon_uiVisibleLength_(text);
-	kon_rect_t r = kon_uiNextRect_(ui, kon_uiTextWidth_(ui, text, n) + 1, ui->lineH);
-
-	kon_uiDrawText_(ui, r.x, r.y, text, n, ui->theme.text);
-}
-
-void kon_uiLabelf(kon_ui_t *ui, const char *format, ...)
-{
-	char buffer[256];
-	va_list args;
-
-	va_start(args, format);
-	vsnprintf(buffer, sizeof(buffer), format, args);
-	va_end(args);
-	kon_uiLabel(ui, buffer);
-}
-
-int kon_uiButton(kon_ui_t *ui, const char *label)
-{
-	uint32_t id = kon_uiHash_(ui, label);
-	size_t n = kon_uiVisibleLength_(label);
-	int pad = ui->theme.padding, textW = kon_uiTextWidth_(ui, label, n);
-	kon_rect_t r = kon_uiNextRect_(ui, ui->sameLine ? textW + pad * 2 : 0, ui->lineH + pad);
-	int hovered, clicked;
-
-	clicked = kon_uiBehave_(ui, id, r, &hovered);
-	kon_uiFill_(ui, r, kon_uiWidgetColor_(ui, id, hovered));
-	kon_uiOutline_(ui, r, ui->theme.border);
-	kon_uiDrawText_(ui, r.x + (r.w - textW) / 2, r.y + pad / 2 + 1, label, n, ui->theme.text);
-	return clicked;
-}
-
-int kon_uiCheckbox(kon_ui_t *ui, const char *label, int *value)
-{
-	uint32_t id = kon_uiHash_(ui, label);
-	size_t n = kon_uiVisibleLength_(label);
-	int box = ui->lineH, pad = ui->theme.padding;
-	kon_rect_t r = kon_uiNextRect_(ui, box + pad + kon_uiTextWidth_(ui, label, n) + 1, box);
-	kon_rect_t b = KON_RECT(r.x, r.y, box, box);
-	int hovered, clicked = kon_uiBehave_(ui, id, r, &hovered);
-
-	if (clicked) *value = !*value;
-	kon_uiFill_(ui, b, kon_uiWidgetColor_(ui, id, hovered));
-	kon_uiOutline_(ui, b, ui->theme.border);
-	if (*value) kon_uiFill_(ui, KON_RECT(b.x + 3, b.y + 3, b.w - 6, b.h - 6), ui->theme.accent);
-	kon_uiDrawText_(ui, r.x + box + pad, r.y, label, n, ui->theme.text);
-	return clicked;
-}
-
-int kon_uiSliderFloat(kon_ui_t *ui, const char *label, float *value, float min, float max)
-{
-	uint32_t id = kon_uiHash_(ui, label);
-	size_t n = kon_uiVisibleLength_(label);
-	int pad = ui->theme.padding;
-	kon_rect_t r = kon_uiNextRect_(ui, 0, ui->lineH + pad);
-	char text[64];
-	int hovered, changed = 0, fill;
-	float t;
-
-	kon_uiBehave_(ui, id, r, &hovered);
-
-	if (ui->active == id && r.w > 1 && max > min) {
-		float v;
-
-		t = (float)(ui->mouseX - r.x) / (float)(r.w - 1);
-		if (t < 0.0f) t = 0.0f;
-		if (t > 1.0f) t = 1.0f;
-		v = min + t * (max - min);
-		if (v != *value) {
-			*value = v;
-			changed = 1;
-		}
-	}
-
-	t = max > min ? (*value - min) / (max - min) : 0.0f;
-	if (t < 0.0f) t = 0.0f;
-	if (t > 1.0f) t = 1.0f;
-	fill = (int)(t * (float)(r.w - 2));
-
-	kon_uiFill_(ui, r, kon_uiWidgetColor_(ui, id, hovered));
-	kon_uiFill_(ui, KON_RECT(r.x + 1, r.y + 1, fill, r.h - 2), ui->theme.accent);
-	kon_uiOutline_(ui, r, ui->theme.border);
-
-	snprintf(text, sizeof(text), "%.*s: %.2f", (int)(n > 40 ? 40 : n), label, (double)*value);
-	kon_uiDrawText_(ui, r.x + pad, r.y + pad / 2 + 1, text, strlen(text), ui->theme.text);
-	return changed;
-}
-
-int kon_uiSliderInt(kon_ui_t *ui, const char *label, int *value, int min, int max)
-{
-	float v = (float)*value;
-	int changed = kon_uiSliderFloat(ui, label, &v, (float)min, (float)max);
-
-	if (changed) *value = (int)(v + (v < 0 ? -0.5f : 0.5f));
-	return changed;
-}
-
-int kon_uiSelectable(kon_ui_t *ui, const char *label, int selected)
-{
-	uint32_t id = kon_uiHash_(ui, label);
-	size_t n = kon_uiVisibleLength_(label);
-	int pad = ui->theme.padding;
-	kon_rect_t r = kon_uiNextRect_(ui, 0, ui->lineH);
-	int hovered, clicked = kon_uiBehave_(ui, id, r, &hovered);
-
-	if (selected) kon_uiFill_(ui, r, ui->theme.active);
-	else if (hovered) kon_uiFill_(ui, r, ui->theme.hover);
-	kon_uiDrawText_(ui, r.x + pad, r.y, label, n, ui->theme.text);
-	return clicked;
-}
-
-int kon_uiTextInput(kon_ui_t *ui, const char *label, char *buffer, size_t size)
-{
-	uint32_t id = kon_uiHash_(ui, label);
-	size_t n = kon_uiVisibleLength_(label);
-	int pad = ui->theme.padding, hovered, entered = 0, i;
-	size_t length = strlen(buffer);
-	kon_rect_t r = kon_uiNextRect_(ui, 0, ui->lineH + pad);
-
-	kon_uiBehave_(ui, id, r, &hovered);
-	if (hovered && ui->mousePressed) {
-		ui->focus = id;
-		ui->cursor = (int)length;
-	}
-	if (ui->focus == id) {
-		ui->focusKept = ui->focusKept || (hovered && ui->mousePressed);
-		if (ui->cursor > (int)length) ui->cursor = (int)length;
-
-		for (i = 0; i < ui->textCount; i++) {
-			unsigned int c = ui->text[i];
-
-			if (c < 32 || c > 126 || length + 1 >= size) continue;
-			memmove(buffer + ui->cursor + 1, buffer + ui->cursor, length - (size_t)ui->cursor + 1);
-			buffer[ui->cursor++] = (char)c;
-			length++;
-		}
-		if (ui->keyPressed[KON_KEY_BACKSPACE] && ui->cursor > 0) {
-			memmove(buffer + ui->cursor - 1, buffer + ui->cursor, length - (size_t)ui->cursor + 1);
-			ui->cursor--;
-			length--;
-		}
-		if (ui->keyPressed[KON_KEY_DELETE] && ui->cursor < (int)length) {
-			memmove(buffer + ui->cursor, buffer + ui->cursor + 1, length - (size_t)ui->cursor);
-			length--;
-		}
-		if (ui->keyPressed[KON_KEY_LEFT] && ui->cursor > 0) ui->cursor--;
-		if (ui->keyPressed[KON_KEY_RIGHT] && ui->cursor < (int)length) ui->cursor++;
-		if (ui->keyPressed[KON_KEY_ENTER]) entered = 1;
-		if (ui->keyPressed[KON_KEY_ESCAPE]) ui->focus = 0;
-	}
-
-	kon_uiFill_(ui, r, ui->focus == id ? ui->theme.hover : ui->theme.widget);
-	kon_uiOutline_(ui, r, ui->focus == id ? ui->theme.accent : ui->theme.border);
-
-	if (length == 0 && ui->focus != id) {
-		kon_uiDrawText_(ui, r.x + pad, r.y + pad / 2 + 1, label, n, ui->theme.textDim);
-	} else {
-		kon_uiDrawText_(ui, r.x + pad, r.y + pad / 2 + 1, buffer, length, ui->theme.text);
-		if (ui->focus == id) {
-			int cx = r.x + pad + kon_uiTextWidth_(ui, buffer, (size_t)ui->cursor);
-
-			kon_uiFill_(ui, KON_RECT(cx, r.y + 2, 1, r.h - 4), ui->theme.text);
-		}
-	}
-	return entered;
-}
-
-void kon_uiSeparator(kon_ui_t *ui)
-{
-	kon_rect_t r = kon_uiNextRect_(ui, 0, 1);
-
-	kon_uiFill_(ui, r, ui->theme.border);
-}
-
-void kon_uiSameLine(kon_ui_t *ui)
-{
-	ui->sameLine = 1;
-}
-
-#endif /* KONUI_IMPLEMENTATION */