Crude resize working

addons/godot_xterm_native/src/terminal.cpp

@@ -1,4 +1,5 @@
 #include "terminal.h"
+#include <algorithm>
 #include <Theme.hpp>
 
 using namespace godot;
@@ -26,15 +27,18 @@ const uint8_t Terminal::default_color_palette[TSM_COLOR_NUM][3] = {
 	[TSM_COLOR_BACKGROUND] = {0x00, 0x00, 0x00},
 };
 
-static struct {
+static struct
+{
 	Color col;
 	bool is_set;
 } colours[16];
 
-static void term_output(const char *s, size_t len, void *user) {
+static void term_output(const char *s, size_t len, void *user)
+{
 }
 
-static void write_cb(struct tsm_vte *vte, const char *u8, size_t len, void *data) {
+static void write_cb(struct tsm_vte *vte, const char *u8, size_t len, void *data)
+{
 
 	Terminal *term = static_cast<Terminal *>(data);
 }
@@ -48,7 +52,8 @@ static int text_draw_cb(struct tsm_screen *con,
 						unsigned int posy,
 						const struct tsm_screen_attr *attr,
 						tsm_age_t age,
-		void *data) {
+						void *data)
+{
 
 	Terminal *terminal = static_cast<Terminal *>(data);
 
@@ -58,21 +63,26 @@ static int text_draw_cb(struct tsm_screen *con,
 	size_t ulen;
 	char buf[5] = {0};
 
-	if (len > 0) {
+	if (len > 0)
+	{
 		char *utf8 = tsm_ucs4_to_utf8_alloc(ch, len, &ulen);
 		memcpy(terminal->cells[posy][posx].ch, utf8, ulen);
-	} else {
+	}
+	else
+	{
 		terminal->cells[posy][posx] = {};
 	}
 
 	memcpy(&terminal->cells[posy][posx].attr, attr, sizeof(tsm_screen_attr));
 
+	if (!terminal->sleep)
 		terminal->update();
 
 	return 0;
 }
 
-void Terminal::_register_methods() {
+void Terminal::_register_methods()
+{
 
 	register_method("_init", &Terminal::_init);
 	register_method("_ready", &Terminal::_ready);
@@ -80,89 +90,101 @@ void Terminal::_register_methods() {
 	register_method("_draw", &Terminal::_draw);
 
 	register_method("write", &Terminal::write);
+	register_method("update_size", &Terminal::update_size);
 
-	register_property<Terminal, int>("rows", &Terminal::rows, 24);
-	register_property<Terminal, int>("cols", &Terminal::cols, 80);
+	//register_property<Terminal, int>("rows", &Terminal::rows, 24);
+	//register_property<Terminal, int>("cols", &Terminal::cols, 80);
 }
 
-Terminal::Terminal() {
+Terminal::Terminal()
+{
 }
 
-Terminal::~Terminal() {
+Terminal::~Terminal()
+{
 }
 
-void Terminal::_init() {
+void Terminal::_init()
+{
+	sleep = true;
 
-	rows = 24;
-	cols = 80;
-
-	for (int x = 0; x < rows; x++) {
-		Row row(cols);
-
-		for (int y = 0; y < cols; y++) {
-			row[y] = empty_cell;
-		}
-
-		cells.push_back(row);
-	}
-
-	cell_size = Vector2(12, 21); // TODO: Get proper cell_size based on font.
-
-	sleep = false;
-
-	int ret;
-
-	if (tsm_screen_new(&screen, NULL, NULL)) {
+	if (tsm_screen_new(&screen, NULL, NULL))
+	{
 		ERR_PRINT("Error creating new tsm screen");
 	}
 	tsm_screen_set_max_sb(screen, 1000); // TODO: Use config var for scrollback size.
 
-	if (tsm_vte_new(&vte, screen, write_cb, this, NULL, NULL)) {
+	if (tsm_vte_new(&vte, screen, write_cb, this, NULL, NULL))
+	{
 		ERR_PRINT("Error creating new tsm vte");
 	}
 
-	/* Set the color palette */
 	update_color_palette();
-	if (tsm_vte_set_custom_palette(vte, color_palette)) {
+	if (tsm_vte_set_custom_palette(vte, color_palette))
+	{
 		ERR_PRINT("Error setting custom palette");
 	}
-	if (tsm_vte_set_palette(vte, "custom")) {
+	if (tsm_vte_set_palette(vte, "custom"))
+	{
 		ERR_PRINT("Error setting palette");
 	}
+
+	update_size();
 }
 
-void Terminal::_ready() {
+void Terminal::_ready()
+{
+	connect("resized", this, "update_size");
 }
 
-void Terminal::_input(Variant event) {
+void Terminal::_notification(int what)
+{
+	switch (what)
+	{
+	case NOTIFICATION_RESIZED:
+		Godot::print("resized!");
+		update_size();
+		break;
+	}
 }
 
-void Terminal::_draw() {
+void Terminal::_input(Variant event)
+{
+}
 
+void Terminal::_draw()
+{
 	if (sleep)
 		return;
 
 	/* Draw the background */
+	draw_rect(get_rect(), get_color("Background", "Terminal"));
+
+	/* Draw the cell backgrounds */
 
 	// Draw the background first so subsequent rows don't overlap
 	// foreground characters such as y that may extend below the baseline.
-	for (int row = 0; row < rows; row++) {
-		for (int col = 0; col < cols; col++) {
+	for (int row = 0; row < rows; row++)
+	{
+		for (int col = 0; col < cols; col++)
+		{
 			draw_background(row, col, get_cell_colors(row, col).first);
 		}
 	}
 
-	/* Draw the foreground */
+	/* Draw the cell foregrounds */
 
-	for (int row = 0; row < rows; row++) {
-		for (int col = 0; col < cols; col++) {
+	for (int row = 0; row < rows; row++)
+	{
+		for (int col = 0; col < cols; col++)
+		{
 			draw_foreground(row, col, get_cell_colors(row, col).second);
 		}
 	}
 }
 
-void Terminal::update_color_palette() {
-
+void Terminal::update_color_palette()
+{
 	// Start with a copy of the default color palette
 	memcpy(color_palette, Terminal::default_color_palette, sizeof(Terminal::default_color_palette));
 
@@ -199,7 +221,8 @@ void Terminal::update_color_palette() {
 	set_pallete_color(TSM_COLOR_FOREGROUND, "Foreground");
 }
 
-void Terminal::draw_background(int row, int col, Color bgcolor) {
+void Terminal::draw_background(int row, int col, Color bgcolor)
+{
 
 	/* Draw the background */
 	Vector2 background_pos = Vector2(col * cell_size.x, row * cell_size.y);
@@ -207,7 +230,8 @@ void Terminal::draw_background(int row, int col, Color bgcolor) {
 	draw_rect(background_rect, bgcolor);
 }
 
-void Terminal::draw_foreground(int row, int col, Color fgcolor) {
+void Terminal::draw_foreground(int row, int col, Color fgcolor)
+{
 
 	struct cell cell = cells[row][col];
 
@@ -215,13 +239,20 @@ void Terminal::draw_foreground(int row, int col, Color fgcolor) {
 
 	Ref<Font> fontref = get_font("");
 
-	if (cell.attr.bold && cell.attr.italic) {
+	if (cell.attr.bold && cell.attr.italic)
+	{
 		fontref = get_font("Bold Italic", "Terminal");
-	} else if (cell.attr.bold) {
+	}
+	else if (cell.attr.bold)
+	{
 		fontref = get_font("Bold", "Terminal");
-	} else if (cell.attr.italic) {
+	}
+	else if (cell.attr.italic)
+	{
 		fontref = get_font("Italic", "Terminal");
-	} else {
+	}
+	else
+	{
 		fontref = get_font("Regular", "Terminal");
 	}
 
@@ -241,7 +272,8 @@ void Terminal::draw_foreground(int row, int col, Color fgcolor) {
 		draw_string(fontref, foreground_pos, "_", fgcolor);
 }
 
-std::pair<Color, Color> Terminal::get_cell_colors(int row, int col) {
+std::pair<Color, Color> Terminal::get_cell_colors(int row, int col)
+{
 	struct cell cell = cells[row][col];
 	Color fgcol, bgcol;
 	float fr = 1, fg = 1, fb = 1, br = 0, bg = 0, bb = 0;
@@ -249,30 +281,38 @@ std::pair<Color, Color> Terminal::get_cell_colors(int row, int col) {
 
 	/* Get foreground color */
 
-	if (cell.attr.fccode && palette.count(cell.attr.fccode)) {
+	if (cell.attr.fccode && palette.count(cell.attr.fccode))
+	{
 		fgcol = palette[cell.attr.fccode];
-	} else {
+	}
+	else
+	{
 		fr = (float)cell.attr.fr / 255.0;
 		fg = (float)cell.attr.fg / 255.0;
 		fb = (float)cell.attr.fb / 255.0;
 		fgcol = Color(fr, fg, fb);
 
-		if (cell.attr.fccode) {
+		if (cell.attr.fccode)
+		{
 			palette.insert(std::pair<int, Color>(cell.attr.fccode, Color(fr, fg, fb)));
 		}
 	}
 
 	/* Get background color */
 
-	if (cell.attr.bccode && palette.count(cell.attr.bccode)) {
+	if (cell.attr.bccode && palette.count(cell.attr.bccode))
+	{
 		bgcol = palette[cell.attr.bccode];
-	} else {
+	}
+	else
+	{
 		br = (float)cell.attr.br / 255.0;
 		bg = (float)cell.attr.bg / 255.0;
 		bb = (float)cell.attr.bb / 255.0;
 		bgcol = Color(br, bg, bb);
 
-		if (cell.attr.bccode) {
+		if (cell.attr.bccode)
+		{
 			palette.insert(std::pair<int, Color>(cell.attr.bccode, Color(br, bg, bb)));
 		}
 	}
@@ -283,8 +323,40 @@ std::pair<Color, Color> Terminal::get_cell_colors(int row, int col) {
 	return std::make_pair(bgcol, fgcol);
 }
 
-void Terminal::write(PoolByteArray data) {
+// Recalculates the cell_size and number of cols/rows based on font size and the Control's rect_size
+void Terminal::update_size()
+{
+	sleep = true;
 
+	cell_size = get_font("Regular", "Terminal").ptr()->get_string_size("W");
+
+	rows = std::max(2, (int)floor(get_rect().size.y / cell_size.y));
+	cols = std::max(1, (int)floor(get_rect().size.x / cell_size.x));
+
+	Godot::print(String("resized_rows: {0}, resized_cols: {1}").format(Array::make(rows, cols)));
+
+	cells = {};
+
+	for (int x = 0; x < rows; x++)
+	{
+		Row row(cols);
+
+		for (int y = 0; y < cols; y++)
+		{
+			row[y] = empty_cell;
+		}
+
+		cells.push_back(row);
+	}
+
+	tsm_screen_resize(screen, cols, rows);
+
+	sleep = false;
+	update();
+}
+
+void Terminal::write(PoolByteArray data)
+{
 	tsm_vte_input(vte, (char *)data.read().ptr(), data.size());
 	framebuffer_age = tsm_screen_draw(screen, text_draw_cb, this);
 }

addons/godot_xterm_native/src/terminal.h

@@ -8,13 +8,16 @@
 #include <map>
 #include <vector>
 
-namespace godot {
+namespace godot
+{
 
-class Terminal : public Control {
+class Terminal : public Control
+{
 	GODOT_CLASS(Terminal, Control)
 
 public:
-	struct cell {
+	struct cell
+	{
 		char ch[5];
 		struct tsm_screen_attr attr;
 	} empty_cell = {ch : {0, 0, 0, 0, 0}, attr : {}};
@@ -35,6 +38,8 @@ private:
 	Vector2 cell_size;
 	std::map<int, Color> palette = {};
 
+	void update_size();
+
 	void update_color_palette();
 	std::pair<Color, Color> get_cell_colors(int row, int col);
 	void draw_background(int row, int col, Color bgcol);
@@ -48,6 +53,7 @@ public:
 
 	void _init();
 	void _ready();
+	void _notification(int what);
 	void _input(Variant event);
 	void _draw();
 

examples/terminal/Terminal.tscn

@@ -6,6 +6,8 @@
 [ext_resource path="res://examples/terminal/container.gd" type="Script" id=4]
 
 [node name="Container" type="Container"]
+margin_right = 40.0
+margin_bottom = 40.0
 script = ExtResource( 4 )
 __meta__ = {
 "_edit_use_anchors_": false
@@ -16,9 +18,6 @@ margin_right = 40.0
 margin_bottom = 40.0
 theme = ExtResource( 2 )
 script = ExtResource( 1 )
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="Pseudoterminal" type="Node" parent="."]
 script = ExtResource( 3 )