diff options
author | Uros Majstorovic <majstor@majstor.org> | 2020-08-05 03:39:22 +0200 |
---|---|---|
committer | Uros Majstorovic <majstor@majstor.org> | 2020-08-05 03:39:22 +0200 |
commit | cf7c06297d04bade9cd04c056f9ed510e64dd7bd (patch) | |
tree | a3b8cc23574b98e10874b51d33c9fe1bfc012663 /fw/fe310/eos/eve/screen/window.c | |
parent | 5cd610a07468137066ea4daa5176c3e7045113b0 (diff) |
code -> fw
Diffstat (limited to 'fw/fe310/eos/eve/screen/window.c')
-rw-r--r-- | fw/fe310/eos/eve/screen/window.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/fw/fe310/eos/eve/screen/window.c b/fw/fe310/eos/eve/screen/window.c new file mode 100644 index 0000000..e49897f --- /dev/null +++ b/fw/fe310/eos/eve/screen/window.c @@ -0,0 +1,116 @@ +#include <stdlib.h> +#include <string.h> + +#include "eve.h" +#include "eve_kbd.h" + +#include "screen.h" +#include "window.h" + +#define MIN(X, Y) (((X) < (Y)) ? (X) : (Y)) + +void eve_window_init(EVEWindow *window, EVERect *g, EVEView *view, EVEScreen *screen) { + memset(window, 0, sizeof(EVEWindow)); + + if (g) window->g = *g; + if (view) { + window->view = view; + window->view->window = window; + } + window->screen = screen; + window->color_fg = 0xffffff; +} + +void eve_window_set_color_bg(EVEWindow *window, uint8_t r, uint8_t g, uint8_t b) { + window->color_bg = (r << 16) | (g << 8) | b; +} + +void eve_window_set_color_fg(EVEWindow *window, uint8_t r, uint8_t g, uint8_t b) { + window->color_fg = (r << 16) | (g << 8) | b; +} + +int eve_window_visible(EVEWindow *window) { + if (window->g.x >= window->screen->w) return 0; + if (window->g.y >= window->screen->h) return 0; + if ((window->g.x + window->g.w) <= 0) return 0; + if ((window->g.y + window->g.h) <= 0) return 0; + return 1; +} + +void eve_window_visible_g(EVEWindow *window, EVERect *g) { + EVEWindow *w = window->next; + + *g = window->g; + while (w) { + if (eve_window_visible(w)) { + if (w->g.x > g->x) g->w = MIN(g->w, w->g.x - g->x); + if (w->g.y > g->y) g->h = MIN(g->h, w->g.y - g->y); + if (w->g.x + w->g.w < g->x + g->w) { + uint16_t x0 = g->w - MIN(g->w, (g->x + g->w) - (w->g.x + w->g.w)); + g->x += x0; + g->w -= x0; + } + if (w->g.y + w->g.h < g->y + g->h) { + uint16_t y0 = g->h - MIN(g->h, (g->y + g->h) - (w->g.y + w->g.h)); + g->y += y0; + g->h -= y0; + } + } + w = w->next; + } +} + +void eve_window_append(EVEWindow *window) { + EVEScreen *screen = window->screen; + + window->prev = screen->win_tail; + if (screen->win_tail) { + screen->win_tail->next = window; + } else { + screen->win_head = window; + } + screen->win_tail = window; +} + +void eve_window_insert_above(EVEWindow *window, EVEWindow *win_prev) { + EVEScreen *screen = window->screen; + + window->prev = win_prev; + window->next = win_prev->next; + + if (window->next) { + window->next->prev = window; + } else { + screen->win_tail = window; + } + win_prev->next = window; +} + +void eve_window_insert_below(EVEWindow *window, EVEWindow *win_next) { + EVEScreen *screen = window->screen; + + window->prev = win_next->prev; + window->next = win_next; + + win_next->prev = window; + if (window->prev) { + window->prev->next = window; + } else { + screen->win_head = window; + } +} + +void eve_window_remove(EVEWindow *window) { + EVEScreen *screen = window->screen; + + if (window->prev) { + window->prev->next = window->next; + } else { + screen->win_head = window->next; + } + if (window->next) { + window->next->prev = window->prev; + } else { + screen->win_tail = window->prev; + } +} |