diff options
Diffstat (limited to 'userland/libgui')
-rw-r--r-- | userland/libgui/Makefile | 17 | ||||
-rw-r--r-- | userland/libgui/font.h | 3 | ||||
-rw-r--r-- | userland/libgui/libgui.c | 290 | ||||
-rw-r--r-- | userland/libgui/libgui.h | 34 |
4 files changed, 344 insertions, 0 deletions
diff --git a/userland/libgui/Makefile b/userland/libgui/Makefile new file mode 100644 index 0000000..5a895c4 --- /dev/null +++ b/userland/libgui/Makefile @@ -0,0 +1,17 @@ +CC="/home/anton/prj/osdev/sysroot/bin/i686-sb-gcc" +AR="/home/anton/prj/osdev/sysroot/bin/i686-sb-ar" +#CFLAGS = -ggdb -ffreestanding -O0 -Wall -Wextra -pedantic -mgeneral-regs-only -Wimplicit-fallthrough -nostdlib -static -Wno-undef -fsanitize=shift,signed-integer-overflow,bounds +CFLAGS = -O2 -ggdb -ffreestanding -O0 -Wall -Wextra -pedantic -mgeneral-regs-only -Wimplicit-fallthrough -nostdlib -static -Wno-undef +BINS=libgui.a +all: $(BINS) +LIBS=-L../libc -lc -L../json -ljson -lgcc +OBJ=libgui.o + +libgui.o: libgui.c + $(CC) $(CFLAGS) -c libgui.c -I../libc/ -I../json/ $(LIBS) + +libgui.a: $(OBJ) + $(AR) rcs libgui.a $^ + +clean: + rm $(OBJ) $(BINS) diff --git a/userland/libgui/font.h b/userland/libgui/font.h new file mode 100644 index 0000000..763b438 --- /dev/null +++ b/userland/libgui/font.h @@ -0,0 +1,3 @@ +#ifndef FONT_H +#define FONT_H +#endif diff --git a/userland/libgui/libgui.c b/userland/libgui/libgui.c new file mode 100644 index 0000000..5f5526d --- /dev/null +++ b/userland/libgui/libgui.c @@ -0,0 +1,290 @@ +#include "libgui.h" +#include "font.h" +#include <assert.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mman.h> +#include <unistd.h> + +#define place_pixel_pos(_p, _pos) \ + { *(uint32_t *)(w->bitmap_ptr + _pos) = _p; } + +static const unsigned char font8x8_basic[128][8] = { + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0000 (nul) + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0001 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0002 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0003 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0004 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0005 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0006 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0007 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0008 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0009 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000A + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000B + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000C + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000D + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000E + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000F + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0010 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0011 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0012 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0013 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0014 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0015 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0016 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0017 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0018 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0019 + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001A + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001B + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001C + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001D + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001E + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001F + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0020 (space) + {0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00}, // U+0021 (!) + {0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0022 (") + {0x36, 0x36, 0x7F, 0x36, 0x7F, 0x36, 0x36, 0x00}, // U+0023 (#) + {0x0C, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x0C, 0x00}, // U+0024 ($) + {0x00, 0x63, 0x33, 0x18, 0x0C, 0x66, 0x63, 0x00}, // U+0025 (%) + {0x1C, 0x36, 0x1C, 0x6E, 0x3B, 0x33, 0x6E, 0x00}, // U+0026 (&) + {0x06, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0027 (') + {0x18, 0x0C, 0x06, 0x06, 0x06, 0x0C, 0x18, 0x00}, // U+0028 (() + {0x06, 0x0C, 0x18, 0x18, 0x18, 0x0C, 0x06, 0x00}, // U+0029 ()) + {0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00}, // U+002A (*) + {0x00, 0x0C, 0x0C, 0x3F, 0x0C, 0x0C, 0x00, 0x00}, // U+002B (+) + {0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+002C (,) + {0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00}, // U+002D (-) + {0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+002E (.) + {0x60, 0x30, 0x18, 0x0C, 0x06, 0x03, 0x01, 0x00}, // U+002F (/) + {0x3E, 0x63, 0x73, 0x7B, 0x6F, 0x67, 0x3E, 0x00}, // U+0030 (0) + {0x0C, 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x3F, 0x00}, // U+0031 (1) + {0x1E, 0x33, 0x30, 0x1C, 0x06, 0x33, 0x3F, 0x00}, // U+0032 (2) + {0x1E, 0x33, 0x30, 0x1C, 0x30, 0x33, 0x1E, 0x00}, // U+0033 (3) + {0x38, 0x3C, 0x36, 0x33, 0x7F, 0x30, 0x78, 0x00}, // U+0034 (4) + {0x3F, 0x03, 0x1F, 0x30, 0x30, 0x33, 0x1E, 0x00}, // U+0035 (5) + {0x1C, 0x06, 0x03, 0x1F, 0x33, 0x33, 0x1E, 0x00}, // U+0036 (6) + {0x3F, 0x33, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00}, // U+0037 (7) + {0x1E, 0x33, 0x33, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+0038 (8) + {0x1E, 0x33, 0x33, 0x3E, 0x30, 0x18, 0x0E, 0x00}, // U+0039 (9) + {0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+003A (:) + {0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+003B (;) + {0x18, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x18, 0x00}, // U+003C (<) + {0x00, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x00}, // U+003D (=) + {0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06, 0x00}, // U+003E (>) + {0x1E, 0x33, 0x30, 0x18, 0x0C, 0x00, 0x0C, 0x00}, // U+003F (?) + {0x3E, 0x63, 0x7B, 0x7B, 0x7B, 0x03, 0x1E, 0x00}, // U+0040 (@) + {0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00}, // U+0041 (A) + {0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F, 0x00}, // U+0042 (B) + {0x3C, 0x66, 0x03, 0x03, 0x03, 0x66, 0x3C, 0x00}, // U+0043 (C) + {0x1F, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1F, 0x00}, // U+0044 (D) + {0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F, 0x00}, // U+0045 (E) + {0x7F, 0x46, 0x16, 0x1E, 0x16, 0x06, 0x0F, 0x00}, // U+0046 (F) + {0x3C, 0x66, 0x03, 0x03, 0x73, 0x66, 0x7C, 0x00}, // U+0047 (G) + {0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33, 0x00}, // U+0048 (H) + {0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0049 (I) + {0x78, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E, 0x00}, // U+004A (J) + {0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67, 0x00}, // U+004B (K) + {0x0F, 0x06, 0x06, 0x06, 0x46, 0x66, 0x7F, 0x00}, // U+004C (L) + {0x63, 0x77, 0x7F, 0x7F, 0x6B, 0x63, 0x63, 0x00}, // U+004D (M) + {0x63, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x63, 0x00}, // U+004E (N) + {0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C, 0x00}, // U+004F (O) + {0x3F, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x0F, 0x00}, // U+0050 (P) + {0x1E, 0x33, 0x33, 0x33, 0x3B, 0x1E, 0x38, 0x00}, // U+0051 (Q) + {0x3F, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x67, 0x00}, // U+0052 (R) + {0x1E, 0x33, 0x07, 0x0E, 0x38, 0x33, 0x1E, 0x00}, // U+0053 (S) + {0x3F, 0x2D, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0054 (T) + {0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x3F, 0x00}, // U+0055 (U) + {0x33, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0056 (V) + {0x63, 0x63, 0x63, 0x6B, 0x7F, 0x77, 0x63, 0x00}, // U+0057 (W) + {0x63, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x00}, // U+0058 (X) + {0x33, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x1E, 0x00}, // U+0059 (Y) + {0x7F, 0x63, 0x31, 0x18, 0x4C, 0x66, 0x7F, 0x00}, // U+005A (Z) + {0x1E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x1E, 0x00}, // U+005B ([) + {0x03, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x40, 0x00}, // U+005C (\) + {0x1E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1E, 0x00}, // U+005D (]) + {0x08, 0x1C, 0x36, 0x63, 0x00, 0x00, 0x00, 0x00}, // U+005E (^) + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF}, // U+005F (_) + {0x0C, 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0060 (`) + {0x00, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x6E, 0x00}, // U+0061 (a) + {0x07, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3B, 0x00}, // U+0062 (b) + {0x00, 0x00, 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x00}, // U+0063 (c) + {0x38, 0x30, 0x30, 0x3e, 0x33, 0x33, 0x6E, 0x00}, // U+0064 (d) + {0x00, 0x00, 0x1E, 0x33, 0x3f, 0x03, 0x1E, 0x00}, // U+0065 (e) + {0x1C, 0x36, 0x06, 0x0f, 0x06, 0x06, 0x0F, 0x00}, // U+0066 (f) + {0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0067 (g) + {0x07, 0x06, 0x36, 0x6E, 0x66, 0x66, 0x67, 0x00}, // U+0068 (h) + {0x0C, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0069 (i) + {0x30, 0x00, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E}, // U+006A (j) + {0x07, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x67, 0x00}, // U+006B (k) + {0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+006C (l) + {0x00, 0x00, 0x33, 0x7F, 0x7F, 0x6B, 0x63, 0x00}, // U+006D (m) + {0x00, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x00}, // U+006E (n) + {0x00, 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00}, // U+006F (o) + {0x00, 0x00, 0x3B, 0x66, 0x66, 0x3E, 0x06, 0x0F}, // U+0070 (p) + {0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x78}, // U+0071 (q) + {0x00, 0x00, 0x3B, 0x6E, 0x66, 0x06, 0x0F, 0x00}, // U+0072 (r) + {0x00, 0x00, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x00}, // U+0073 (s) + {0x08, 0x0C, 0x3E, 0x0C, 0x0C, 0x2C, 0x18, 0x00}, // U+0074 (t) + {0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x6E, 0x00}, // U+0075 (u) + {0x00, 0x00, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0076 (v) + {0x00, 0x00, 0x63, 0x6B, 0x7F, 0x7F, 0x36, 0x00}, // U+0077 (w) + {0x00, 0x00, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x00}, // U+0078 (x) + {0x00, 0x00, 0x33, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0079 (y) + {0x00, 0x00, 0x3F, 0x19, 0x0C, 0x26, 0x3F, 0x00}, // U+007A (z) + {0x38, 0x0C, 0x0C, 0x07, 0x0C, 0x0C, 0x38, 0x00}, // U+007B ({) + {0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00}, // U+007C (|) + {0x07, 0x0C, 0x0C, 0x38, 0x0C, 0x0C, 0x07, 0x00}, // U+007D (}) + {0x6E, 0x3B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+007E (~) + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} // U+007F +}; + +#define pokeb(S, O, V) (*(unsigned char *)((S) + (O)) = (V)) + +// Very temporary +char *random_string(void) { + int fd = open("/dev/urandom", O_RDONLY, 0); + char *r = malloc(sizeof(char[10])); + for (int i = 0; i < 10 - 1; i++) { + char c; + read(fd, &c, 1); + r[i] = 'a' + (c & 0xF); + } + close(fd); + r[9] = '\0'; + printf("r: %s\n", r); + return r; +} + +int get_bitmap_value(const unsigned char bitmap[], int i) { + int array_index = i / 8; + int byte_index = i % 8; + int rc = (bitmap[array_index] >> byte_index) & 0x1; + return rc; +} + +void GUI_OverwriteFont(GUI_Window *w, uint32_t px, uint32_t py, + const uint32_t color) { + int sx, sy; + sx = 8; + sy = 8; + int x, y; + x = px; + y = py; + if (px + sx > w->sx) + return; + if (py + sy > w->sy) + return; + for (int i = 0; i < sx * sy; i++) { + int pos = x + y * w->sx; + place_pixel_pos(color, pos); + x++; + if (x >= sx + px) { + y++; + x = px; + } + if (y > py + sy) + break; + } +} + +void GUI_DrawFont(GUI_Window *w, uint32_t px, uint32_t py, const uint32_t c) { + int sx, sy; + sx = 8; + sy = 8; + int x, y; + x = px; + y = py; + if (px + sx > w->sx) + return; + if (py + sy > w->sy) + return; + const unsigned char *bitmap = font8x8_basic[c]; + for (int i = 0; i < sx * sy; i++) { + int pos = x + y * w->sx; + if (get_bitmap_value(bitmap, i)) { + place_pixel_pos(0xFFFFFF, pos); + } else { + place_pixel_pos(0x0, pos); + } + x++; + if (x >= sx + px) { + y++; + x = px; + } + if (y > py + sy) + break; + } +} + +typedef struct { + uint16_t px; + uint16_t py; + uint16_t sx; + uint16_t sy; + uint8_t name_len; +} WS_EVENT_CREATE; + +void GUI_ClearScreen(GUI_Window *w, uint32_t color) { + for (int i = 0; i < w->sx * w->sy; i++) + w->bitmap_ptr[i] =color; +} + +GUI_Window *GUI_CreateWindow(uint32_t x, uint32_t y, uint32_t sx, uint32_t sy) { + GUI_Window *w = malloc(sizeof(GUI_Window)); + if (!w) + return NULL; + w->x = x; + w->y = y; + w->sx = sx; + w->sy = sy; + + // Connect to the windowserver + int ws_fd = -1; + for (; - 1 == ws_fd;) { + ws_fd = open("/dev/windowserver", O_RDWR | O_NONBLOCK, 0); + } + w->ws_socket = ws_fd; + char *str = random_string(); + WS_EVENT_CREATE e; + e.px = x; + e.py = y; + e.sx = sx; + e.sy = sy; + e.name_len = (uint8_t)strlen(str) + 1; + + // Create bitmap + w->bitmap_fd = shm_open(str, O_RDWR, 0); + if (!((int)w->bitmap_fd >= 0)) { + printf("bitmap_fd: %x\n", w->bitmap_fd); + assert(0); + } + ftruncate(w->bitmap_fd, sx * sy * sizeof(uint32_t)); + void *rc = mmap(NULL, sx * sy * sizeof(uint32_t), 0, 0, w->bitmap_fd, 0); + if (!((int)rc >= 0)) { + printf("rc: %x\n", rc); + assert(0); + } + w->bitmap_ptr = rc; + + // Send the request to the windowserver + uint8_t l = 1; + uint8_t len = sizeof(l) + sizeof(e) + e.name_len; + char *buffer = malloc(len); + char *p = buffer; + memcpy(p, &l, sizeof(l)); + p += sizeof(l); + memcpy(p, &e, sizeof(e)); + p += sizeof(e); + strcpy(p, str); + write(ws_fd, buffer, len); + return w; +} + +void GUI_UpdateWindow(GUI_Window *w) { + uint8_t l = 0; + write(w->ws_socket, &l, sizeof(l)); +} diff --git a/userland/libgui/libgui.h b/userland/libgui/libgui.h new file mode 100644 index 0000000..d58c23c --- /dev/null +++ b/userland/libgui/libgui.h @@ -0,0 +1,34 @@ +#ifndef LIBGUI_H +#define LIBGUI_H +#include <stddef.h> +#include <stdint.h> + +typedef struct { + int ws_socket; + int bitmap_fd; + uint32_t *bitmap_ptr; + int x; + int y; + int sx; + int sy; +} GUI_Window; + +// Taken from drivers/keyboard.c +struct KEY_EVENT { + char c; + uint8_t mode; // (shift (0 bit)) (alt (1 bit)) + uint8_t release; // 0 pressed, 1 released +}; + +typedef struct { + int type; + struct KEY_EVENT ev; +} WS_EVENT; + +GUI_Window *GUI_CreateWindow(uint32_t x, uint32_t y, uint32_t sx, uint32_t sy); +void GUI_DrawFont(GUI_Window *w, uint32_t px, uint32_t py, const uint32_t c); +void GUI_UpdateWindow(GUI_Window *w); +void GUI_OverwriteFont(GUI_Window *w, uint32_t px, uint32_t py, + const uint32_t color); +void GUI_ClearScreen(GUI_Window *w, uint32_t color); +#endif |