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handle resize

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This commit is contained in:
jjanzen 2025-01-20 18:06:43 -06:00
parent 706dfc3b9f
commit 8d22ebfc1d
2 changed files with 85 additions and 31 deletions
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115
src/frontend/ncurses.zig
View file

@ -17,6 +17,9 @@ const MESSAGE_PANEL_HEIGHT = 3;
const STATUS_PANEL_WIDTH = 32;
const STATUS_PANEL_HEIGHT = 5;
const MIN_WIDTH = MAIN_PANEL_WIDTH + INSTRUCTION_PANEL_WIDTH;
const MIN_HEIGHT = MAIN_PANEL_HEIGHT + MESSAGE_PANEL_HEIGHT;
const KEY_MOVE_UP: i32 = 'k';
const KEY_MOVE_DOWN: i32 = 'j';
const KEY_MOVE_LEFT: i32 = 'h';
@ -33,8 +36,8 @@ pub const Display = struct {
allocator: std.mem.Allocator,
fn validTermSize() bool {
return ncurses.LINES >= MAIN_PANEL_HEIGHT + MESSAGE_PANEL_HEIGHT and
ncurses.COLS >= MAIN_PANEL_WIDTH + INSTRUCTION_PANEL_WIDTH;
return ncurses.LINES >= MIN_HEIGHT and
ncurses.COLS >= MIN_WIDTH;
}
fn colorSupport() bool {
@ -60,6 +63,35 @@ pub const Display = struct {
}
}
fn handleResize(self: *Display) Action {
const lines = @as(usize, @intCast(ncurses.LINES));
const cols = @as(usize, @intCast(ncurses.COLS));
for (0..lines) |i| {
for (0..cols) |j| {
const i_32 = @as(i32, @intCast(i));
const j_32 = @as(i32, @intCast(j));
_ = ncurses.mvaddch(i_32, j_32, ' ');
}
}
_ = ncurses.refresh();
self.deleteWindows();
if (!validTermSize()) {
_ = ncurses.mvprintw(0, 0, "Terminal must be at least %dx%d", @as(i32, @intCast(MIN_WIDTH)), @as(i32, @intCast(MIN_HEIGHT)));
} else {
self.inst = createInstructionPanel();
self.msgs = createMessagePanel();
self.stat = createStatisticsPanel();
self.main = createMainPanel();
self.displayInstructions();
}
_ = ncurses.refresh();
return Action.illegal;
}
pub fn displayInstructions(self: *Display) void {
self.formatInstruction(1, KEY_MOVE_LEFT, "move left");
self.formatInstruction(2, KEY_MOVE_DOWN, "move down");
@ -105,8 +137,6 @@ pub const Display = struct {
}
pub fn processInput(self: *Display) Action {
_ = self;
const ch = ncurses.getch();
return switch (ch) {
KEY_MOVE_UP => Action.move_up,
@ -116,10 +146,47 @@ pub const Display = struct {
KEY_STAIR_DOWN => Action.down_stair,
KEY_STAIR_UP => Action.up_stair,
KEY_QUIT => Action.exit,
ncurses.KEY_RESIZE => self.handleResize(),
else => Action.illegal,
};
}
fn createInstructionPanel() ?*ncurses.WINDOW {
return createNewWin(
INSTRUCTION_PANEL_HEIGHT,
INSTRUCTION_PANEL_WIDTH,
@divTrunc(ncurses.LINES - INSTRUCTION_PANEL_HEIGHT - STATUS_PANEL_HEIGHT, 2) + 1,
@divTrunc(ncurses.COLS - MAIN_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH, 2) + MAIN_PANEL_WIDTH - 1,
);
}
fn createMessagePanel() ?*ncurses.WINDOW {
return createNewWin(
MESSAGE_PANEL_HEIGHT,
MESSAGE_PANEL_WIDTH,
@divTrunc(ncurses.LINES - MAIN_PANEL_HEIGHT - MESSAGE_PANEL_HEIGHT, 2) + MAIN_PANEL_HEIGHT,
@divTrunc(ncurses.COLS - MESSAGE_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH, 2),
);
}
fn createStatisticsPanel() ?*ncurses.WINDOW {
return createNewWin(
STATUS_PANEL_HEIGHT,
STATUS_PANEL_WIDTH,
@divTrunc(ncurses.LINES - INSTRUCTION_PANEL_HEIGHT - STATUS_PANEL_HEIGHT, 2) + INSTRUCTION_PANEL_HEIGHT,
@divTrunc(ncurses.COLS - MAIN_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH, 2) + MAIN_PANEL_WIDTH - 1,
);
}
fn createMainPanel() ?*ncurses.WINDOW {
return createNewWin(
MAIN_PANEL_HEIGHT,
MAIN_PANEL_WIDTH,
@divTrunc(ncurses.LINES - MAIN_PANEL_HEIGHT - MESSAGE_PANEL_HEIGHT, 2) + 1,
@divTrunc(ncurses.COLS - MAIN_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH, 2),
);
}
pub fn init() !Display {
_ = locale.setlocale(locale.LC_ALL, "");
if (ncurses.initscr() == null) {
@ -147,40 +214,28 @@ pub const Display = struct {
_ = ncurses.wattron(ncurses.stdscr, ncurses.COLOR_PAIR(1));
_ = ncurses.refresh();
return Display{
.inst = createNewWin(
INSTRUCTION_PANEL_HEIGHT,
INSTRUCTION_PANEL_WIDTH,
@divTrunc(ncurses.LINES - INSTRUCTION_PANEL_HEIGHT - STATUS_PANEL_HEIGHT, 2) + 1,
@divTrunc(ncurses.COLS - MAIN_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH, 2) + MAIN_PANEL_WIDTH - 1,
),
.msgs = createNewWin(
MESSAGE_PANEL_HEIGHT,
MESSAGE_PANEL_WIDTH,
@divTrunc(ncurses.LINES - MAIN_PANEL_HEIGHT - MESSAGE_PANEL_HEIGHT, 2) + MAIN_PANEL_HEIGHT,
@divTrunc(ncurses.COLS - MESSAGE_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH, 2),
),
.stat = createNewWin(
STATUS_PANEL_HEIGHT,
STATUS_PANEL_WIDTH,
@divTrunc(ncurses.LINES - INSTRUCTION_PANEL_HEIGHT - STATUS_PANEL_HEIGHT, 2) + INSTRUCTION_PANEL_HEIGHT,
@divTrunc(ncurses.COLS - MAIN_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH, 2) + MAIN_PANEL_WIDTH - 1,
),
.main = createNewWin(
MAIN_PANEL_HEIGHT,
MAIN_PANEL_WIDTH,
@divTrunc(ncurses.LINES - MAIN_PANEL_HEIGHT - MESSAGE_PANEL_HEIGHT, 2) + 1,
@divTrunc(ncurses.COLS - MAIN_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH, 2),
),
var d = Display{
.inst = createInstructionPanel(),
.msgs = createMessagePanel(),
.stat = createStatisticsPanel(),
.main = createMainPanel(),
.allocator = undefined,
};
d.displayInstructions();
return d;
}
pub fn deinit(self: *Display) void {
fn deleteWindows(self: *Display) void {
_ = ncurses.delwin(self.main);
_ = ncurses.delwin(self.inst);
_ = ncurses.delwin(self.msgs);
_ = ncurses.delwin(self.stat);
}
pub fn deinit(self: *Display) void {
self.deleteWindows();
_ = ncurses.endwin();
}
};

1
src/main.zig
View file

@ -9,7 +9,6 @@ pub fn main() u8 {
return 1;
};
d.displayMessage("Initialized", .{});
d.displayInstructions();
d.displayStatus(&Entity{});
var action = Action.illegal;
while (action != Action.exit) {