diff options
Diffstat (limited to 'keyboard.h')
| -rw-r--r-- | keyboard.h | 382 |
1 files changed, 31 insertions, 351 deletions
diff --git a/keyboard.h b/keyboard.h index 9f89597..8940608 100644 --- a/keyboard.h +++ b/keyboard.h @@ -1,3 +1,8 @@ +#ifndef __KEYBOARD_H +#define __KEYBOARD_H + +#include "drw.h" + #define MAX_LAYERS 25 enum key_type; @@ -71,6 +76,8 @@ struct layout { }; struct kbd { + bool debug; + struct layout *layout; struct clr_scheme scheme; struct clr_scheme scheme1; @@ -78,6 +85,7 @@ struct kbd { bool print; uint32_t w, h, s; uint8_t mods; + uint8_t compose; struct key *last_press; struct layout *prevlayout; size_t layer_index; @@ -89,357 +97,29 @@ struct kbd { struct zwp_virtual_keyboard_v1 *vkbd; }; -static inline void draw_inset(struct drwsurf *ds, uint32_t x, uint32_t y, +void draw_inset(struct drwsurf *ds, uint32_t x, uint32_t y, uint32_t width, uint32_t height, uint32_t border, Color color); -static void kbd_init(struct kbd *kb, struct layout * layouts, char * layer_names_list); -static void kbd_init_layout(struct layout *l, uint32_t width, uint32_t height); -static struct key *kbd_get_key(struct kbd *kb, uint32_t x, uint32_t y); -static void kbd_unpress_key(struct kbd *kb, uint32_t time); -static void kbd_press_key(struct kbd *kb, struct key *k, uint32_t time); -static void kbd_print_key_stdout(struct kbd *kb, struct key *k); -static void kbd_draw_key(struct kbd *kb, struct key *k, bool pressed); -static void kbd_draw_layout(struct kbd *kb); -static void kbd_resize(struct kbd *kb, struct layout *layouts, uint8_t layoutcount); -static uint8_t kbd_get_rows(struct layout *l); -static double kbd_get_row_length(struct key *k); -static void kbd_switch_layout(struct kbd *kb, struct layout *l); - -void -kbd_switch_layout(struct kbd *kb, struct layout *l) { - kb->prevlayout = kb->layout; - kb->layout = l; - if (debug) fprintf(stderr, "Switching to layout %s)\n", kb->layout->name); - if ((!kb->prevlayout) || - (strcmp(kb->prevlayout->keymap_name, kb->layout->keymap_name) != 0)) { - fprintf(stderr, "Switching to keymap %s\n", kb->layout->keymap_name); - create_and_upload_keymap(kb->layout->keymap_name, 0, 0); - } - kbd_draw_layout(kb); -} - -uint8_t -kbd_get_rows(struct layout *l) { - uint8_t rows = 0; - struct key *k = l->keys; - while (k->type != Last) { - if (k->type == EndRow) { - rows++; - } - k++; - } - return rows + 1; -} - - -void kbd_init(struct kbd *kb, struct layout * layouts, char * layer_names_list) { - char *s; - int i; - bool found; - - fprintf(stderr, "Initializing keyboard\n"); - - kb->layouts = layouts; - - for (i = 0; i < NumLayouts - 1; i++); - fprintf(stderr, "Found %d layouts\n",i); - - kb->layer_index = 0; - - if (layer_names_list) { - uint8_t numlayers = 0; - kb->layers = malloc(MAX_LAYERS * sizeof(enum layout_id)); - s = strtok(layer_names_list, ","); - while (s != NULL) { - if (numlayers + 1 == MAX_LAYERS) { - fprintf(stderr, "too many layers specified"); - exit(3); - } - found = false; - for (i = 0; i < NumLayouts - 1; i++) { - if (kb->layouts[i].name && strcmp(kb->layouts[i].name, s) == 0) { - fprintf(stderr, "layer #%d = %s\n", numlayers + 1, s); - kb->layers[numlayers++] = i; - found = true; - break; - } - } - if (!found) { - fprintf(stderr, "No such layer: %s\n", s); - exit(3); - } - s = strtok(NULL,","); - } - kb->layers[numlayers] = NumLayouts; //mark the end of the sequence - if (numlayers == 0) { - fprintf(stderr, "No layers defined\n"); - exit(3); - } - } - - i = 0; - enum layout_id lid = kb->layers[0]; - while (lid != NumLayouts) { - lid = kb->layers[++i]; - } - fprintf(stderr, "Found %d layers\n",i); - - kb->layout = &kb->layouts[kb->layers[kb->layer_index]]; - kb->prevlayout = kb->layout; - - /* upload keymap */ - create_and_upload_keymap(kb->layout->keymap_name, 0, 0); -} - -void -kbd_init_layout(struct layout *l, uint32_t width, uint32_t height) { - uint32_t x = 0, y = 0; - if (debug) fprintf(stderr, "Init layout %s\n", l->name); - uint8_t rows = kbd_get_rows(l); - - l->keyheight = height / rows; - - struct key *k = l->keys; - double rowlength = kbd_get_row_length(k); - while (k->type != Last) { - if (k->type == EndRow) { - y += l->keyheight; - x = 0; - rowlength = kbd_get_row_length(k + 1); - } else if (k->width > 0) { - k->x = x; - k->y = y; - k->w = ((double)width / rowlength) * k->width; - x += k->w; - } - k->h = l->keyheight; - k++; - } -} - -double -kbd_get_row_length(struct key *k) { - double l = 0.0; - while ((k->type != Last) && (k->type != EndRow)) { - l += k->width; - k++; - } - return l; -} - -struct key * -kbd_get_key(struct kbd *kb, uint32_t x, uint32_t y) { - struct layout *l = kb->layout; - struct key *k = l->keys; - if (debug) fprintf(stderr, "get key: +%d+%d\n", x, y); - while (k->type != Last) { - if ((k->type != EndRow) && (k->type != Pad) && (k->type != Pad) && - (x >= k->x) && (y >= k->y) && (x < k->x + k->w) && (y < k->y + k->h)) { - return k; - } - k++; - } - return NULL; -} - -void -kbd_unpress_key(struct kbd *kb, uint32_t time) { - if (kb->last_press) { - kbd_draw_key(kb, kb->last_press, false); - if (kb->last_press->type == Copy) { - zwp_virtual_keyboard_v1_key(kb->vkbd, time, 127, // COMP key - WL_KEYBOARD_KEY_STATE_RELEASED); - } else { - zwp_virtual_keyboard_v1_key(kb->vkbd, time, kb->last_press->code, - WL_KEYBOARD_KEY_STATE_RELEASED); - } - kb->last_press = NULL; - - if (compose >= 2) { - compose = 0; - kbd_switch_layout(kb, kb->prevlayout); - if ((kb->mods & Shift) == Shift) - kb->mods ^= Shift; - } else if ((kb->mods & Shift) == Shift) { - kb->mods ^= Shift; - kbd_draw_layout(kb); - } - } -} - -void -kbd_press_key(struct kbd *kb, struct key *k, uint32_t time) { - if ((compose == 1) && (k->type != Compose) && (k->type != Mod) && - (k->layout)) { - compose++; - if (debug) fprintf(stderr, "showing compose %d\n", compose); - kbd_switch_layout(kb, k->layout); - return; - } - - switch (k->type) { - case Code: - if (k->code_mod) { - if (k->reset_mod) { - zwp_virtual_keyboard_v1_modifiers(kb->vkbd, k->code_mod, 0, 0, 0); - } else { - zwp_virtual_keyboard_v1_modifiers(kb->vkbd, kb->mods ^ k->code_mod, 0, - 0, 0); - } - } else { - zwp_virtual_keyboard_v1_modifiers(kb->vkbd, kb->mods, 0, 0, 0); - } - kb->last_press = k; - kbd_draw_key(kb, k, true); - zwp_virtual_keyboard_v1_key(kb->vkbd, time, kb->last_press->code, - WL_KEYBOARD_KEY_STATE_PRESSED); - if (kb->print) - kbd_print_key_stdout(kb, k); - if (compose) { - if (debug) fprintf(stderr, "pressing composed key\n"); - compose++; - } - break; - case Mod: - kb->mods ^= k->code; - if (k->code == Shift) { - kbd_draw_layout(kb); - } - kbd_draw_key(kb, k, kb->mods & k->code); - zwp_virtual_keyboard_v1_modifiers(kb->vkbd, kb->mods, 0, 0, 0); - break; - case Layout: - //switch to the layout determined by the key - kbd_switch_layout(kb, k->layout); - break; - case Compose: - //switch to the associated layout determined by the *next* keypress - if (compose == 0) { - compose = 1; - } else { - compose = 0; - } - kbd_draw_key(kb, k, (bool)compose); - break; - case NextLayer: - //switch to the next layout in the layer sequence - kb->layer_index++; - if (kb->layers[kb->layer_index] == NumLayouts) { - kb->layer_index = 0; - } - kbd_switch_layout(kb, &kb->layouts[kb->layers[kb->layer_index]]); - break; - case BackLayer: - //switch to the previously active layout - if (kb->prevlayout) - kbd_switch_layout(kb, kb->prevlayout); - break; - case Copy: - //copy code as unicode chr by setting a temporary keymap - kb->last_press = k; - kbd_draw_key(kb, k, true); - if (debug) fprintf(stderr, "pressing copy key\n"); - create_and_upload_keymap(kb->layout->keymap_name, k->code, k->code_mod); - zwp_virtual_keyboard_v1_modifiers(kb->vkbd, kb->mods, 0, 0, 0); - zwp_virtual_keyboard_v1_key(kb->vkbd, time, 127, // COMP key - WL_KEYBOARD_KEY_STATE_PRESSED); - if (kb->print) - kbd_print_key_stdout(kb, k); - break; - default: - break; - } -} - - -void -kbd_print_key_stdout(struct kbd *kb, struct key *k) { - /* printed keys may slightly differ from the actual output - * we generally print what is on the key LABEL and only support the normal - * and shift layers. Other modifiers produce no output (Ctrl,Alt) - * */ - - bool handled = true; - if (k->type == Code) { - switch (k->code) { - case KEY_SPACE: - printf(" "); - break; - case KEY_ENTER: - printf("\n"); - break; - case KEY_BACKSPACE: - printf("\b"); - break; - case KEY_TAB: - printf("\t"); - break; - default: - handled = false; - break; - } - } else if (k->type != Copy) { - return; - } - - if (!handled) { - if ((kb->mods & Shift) || (kb->mods & CapsLock)) - printf("%s", k->shift_label); - else if (!(kb->mods & Ctrl) && !(kb->mods & Alt) && !(kb->mods & Super)) - printf("%s", k->label); - } - fflush(stdout); -} - -void -kbd_draw_key(struct kbd *kb, struct key *k, bool pressed) { - struct drwsurf *d = kb->surf; - const char *label = (kb->mods & Shift) ? k->shift_label : k->label; - if (debug) fprintf(stderr, "Draw key +%d+%d %dx%d -> %s\n", k->x, k->y, k->w, k->h, - label); - struct clr_scheme *scheme = (k->scheme == 0) ? &(kb->scheme) : &(kb->scheme1); - Color *fill = pressed ? &scheme->high : &scheme->fg; - draw_inset(d, k->x, k->y, k->w, k->h, KBD_KEY_BORDER, *fill); - drw_draw_text(d, scheme->text, k->x, k->y, k->w, k->h, label); -} - -void -kbd_draw_layout(struct kbd *kb) { - struct drwsurf *d = kb->surf; - struct key *next_key = kb->layout->keys; - bool pressed = false; - if (debug) fprintf(stderr, "Draw layout"); - - drw_fill_rectangle(d, kb->scheme.bg, 0, 0, kb->w, kb->h); - - while (next_key->type != Last) { - if ((next_key->type == Pad) || (next_key->type == EndRow)) { - next_key++; - continue; - } - pressed = next_key->type == Mod && kb->mods & next_key->code; - kbd_draw_key(kb, next_key, pressed); - next_key++; - } -} - -void -kbd_resize(struct kbd *kb, struct layout *layouts, uint8_t layoutcount) { - struct drwsurf *d = kb->surf; - - fprintf(stderr, "Resize %dx%d %d, %d layouts\n", kb->w, kb->h, kb->s, layoutcount); - - drwsurf_resize(d, kb->w, kb->h, kb->s); - for (int i = 0; i < layoutcount; i++) { - kbd_init_layout(&layouts[i], kb->w, kb->h); - } - kbd_draw_layout(kb); -} - -void -draw_inset(struct drwsurf *ds, uint32_t x, uint32_t y, uint32_t width, - uint32_t height, uint32_t border, Color color) { - drw_fill_rectangle(ds, color, x + border, y + border, width - border, - height - border); -} +void kbd_init(struct kbd *kb, struct layout * layouts, char * layer_names_list); +void kbd_init_layout(struct layout *l, uint32_t width, uint32_t height); +struct key *kbd_get_key(struct kbd *kb, uint32_t x, uint32_t y); +void kbd_unpress_key(struct kbd *kb, uint32_t time); +void kbd_press_key(struct kbd *kb, struct key *k, uint32_t time); +void kbd_print_key_stdout(struct kbd *kb, struct key *k); +void kbd_draw_key(struct kbd *kb, struct key *k, bool pressed); +void kbd_draw_layout(struct kbd *kb); +void kbd_resize(struct kbd *kb, struct layout *layouts, uint8_t layoutcount); +uint8_t kbd_get_rows(struct layout *l); +double kbd_get_row_length(struct key *k); +void kbd_switch_layout(struct kbd *kb, struct layout *l); + +void create_and_upload_keymap(const char *name, uint32_t comp_unichr, + uint32_t comp_shift_unichr); + +#ifndef LAYOUT +#error "make sure to define LAYOUT" +#endif +#include LAYOUT + +#endif |