From dac697aebc8a5c680daf8bf35ce350ae994d03e4 Mon Sep 17 00:00:00 2001 From: Joursoir Date: Sat, 11 Dec 2021 20:56:31 +0300 Subject: implement the dialog box --- .../UefiShellUfmCommandLib.inf | 1 + Library/UefiShellUfmCommandLib/dialog-box.c | 101 +++++++++++++++++++++ Library/UefiShellUfmCommandLib/dialog-box.h | 47 ++++++++++ 3 files changed, 149 insertions(+) create mode 100644 Library/UefiShellUfmCommandLib/dialog-box.c create mode 100644 Library/UefiShellUfmCommandLib/dialog-box.h (limited to 'Library') diff --git a/Library/UefiShellUfmCommandLib/UefiShellUfmCommandLib.inf b/Library/UefiShellUfmCommandLib/UefiShellUfmCommandLib.inf index c3d623e..3e8bb60 100644 --- a/Library/UefiShellUfmCommandLib/UefiShellUfmCommandLib.inf +++ b/Library/UefiShellUfmCommandLib/UefiShellUfmCommandLib.inf @@ -15,6 +15,7 @@ menu-bar.c command-bar.c widget/input.c + dialog-box.c panel.c dir.c fs.c diff --git a/Library/UefiShellUfmCommandLib/dialog-box.c b/Library/UefiShellUfmCommandLib/dialog-box.c new file mode 100644 index 0000000..0da3fae --- /dev/null +++ b/Library/UefiShellUfmCommandLib/dialog-box.c @@ -0,0 +1,101 @@ +#include +#include +#include + +#include "dialog-box.h" + +#define COLOR_WHITE_CYAN (EFI_TEXT_ATTR(EFI_WHITE, EFI_CYAN)) +#define COLOR_WHITE_LIGHTGRAY (EFI_TEXT_ATTR(EFI_WHITE, EFI_LIGHTGRAY)) + +CONST CHAR16 ok_button_msg[] = L"[ OK ]"; +CONST CHAR16 cl_button_msg[] = L"[ Cancel ]"; + +struct dbox_ctx *dbox_alloc(struct screen *scr, CONST CHAR16 *title, + CONST CHAR16 *label, BOOLEAN wid_input, CONST CHAR16 *input_text) +{ + struct dbox_ctx *dbox; + UINTN y; + CONST UINTN dbox_height = wid_input ? 6 : 5; + CONST UINTN dbox_width = 52; // why 52? + CONST UINTN len_ok = StrLen(ok_button_msg), len_cl = StrLen(cl_button_msg); + UINTN start_x, start_y, start_ok; + BOOLEAN res = FALSE; + + ASSERT(scr != NULL); + + dbox = AllocateZeroPool(sizeof(struct dbox_ctx)); + if(!dbox) + return NULL; + + do { // START DO + + start_x = (scr->columns - dbox_width) / 2; + start_y = (scr->lines - dbox_height) / 2; + dbox->wbg = newwin(scr, dbox_width, dbox_height, start_x, start_y); + if(!dbox->wbg) + break; + wborder(dbox->wbg, + BOXDRAW_VERTICAL, BOXDRAW_VERTICAL, BOXDRAW_HORIZONTAL, BOXDRAW_HORIZONTAL, + BOXDRAW_DOWN_RIGHT, BOXDRAW_DOWN_LEFT, BOXDRAW_UP_RIGHT, BOXDRAW_UP_LEFT + ); + mvwprintf(dbox->wbg, 1 + ((dbox_width - StrLen(title)) / 2), 0, L"%s", title); + mvwprintf(dbox->wbg, 2, 1, L"%s", label); + whline(dbox->wbg, 1, dbox_height - 3, BOXDRAW_HORIZONTAL, -1, dbox_width - 2); + + if(wid_input) { + dbox->in = input_alloc(scr, start_x + 2, start_y + 2, + dbox_width - 4, COLOR_WHITE_CYAN, input_text); + if(!dbox->in) + break; + } + + start_ok = start_x + 1 + ((dbox_width - len_ok - 1 - len_cl) / 2); + dbox->wok = newwin(scr, len_ok, 1, start_ok, start_y + dbox_height - 2); + if(!dbox->wok) + break; + mvwprintf(dbox->wok, 0, 0, ok_button_msg); + + dbox->wcl = newwin(scr, len_cl, 1, start_ok + 1 + len_ok, start_y + dbox_height - 2); + if(!dbox->wcl) + break; + mvwprintf(dbox->wcl, 0, 0, cl_button_msg); + + for(y = 0; y < dbox_height; y++) + whline(dbox->wbg, 0, y, 0, COLOR_WHITE_LIGHTGRAY, 0); + + res = TRUE; + + } while(0); // END DO + + if(!res) { + dbox_release(dbox); + return NULL; + } + + return dbox; +} + +VOID dbox_release(struct dbox_ctx *dbox) +{ + ASSERT(dbox != NULL); + + if(dbox->wbg) + delwin(dbox->wbg); + if(dbox->in) + input_release(dbox->in); + if(dbox->wok) + delwin(dbox->wok); + if(dbox->wcl) + delwin(dbox->wcl); + + FreePool(dbox); +} + +VOID dbox_refresh(struct dbox_ctx *dbox) +{ + wrefresh(dbox->wbg); + if(dbox->in) + input_update(dbox->in); + wrefresh(dbox->wok); + wrefresh(dbox->wcl); +} diff --git a/Library/UefiShellUfmCommandLib/dialog-box.h b/Library/UefiShellUfmCommandLib/dialog-box.h new file mode 100644 index 0000000..d6d6e43 --- /dev/null +++ b/Library/UefiShellUfmCommandLib/dialog-box.h @@ -0,0 +1,47 @@ +#ifndef UFM_DIALOG_BOX_H +#define UFM_DIALOG_BOX_H + +#include +#include "widget/input.h" + +struct dbox_ctx { + struct window *wbg; + struct widget_input *in; + struct window *wok, *wcl; +}; + +/* + * Creates a dialog box with given parameters. Appears exactly in the + * middle of the screen + * + * scr: the information of the screen + * title: the pointer to title string + * label: the pointer to label string + * wid_input: TRUE if the dialog box needs an input widget. FALSE if not + * input_text: the pointer to initial string in the input widget. If + wid_input is false, the variable is ignored + * + * return: A pointer to the allocated structure or NULL if allocation fails +*/ +struct dbox_ctx *dbox_alloc(struct screen *scr, CONST CHAR16 *title, + CONST CHAR16 *label, BOOLEAN wid_input, CONST CHAR16 *input_text); + +/* + * Deletes the dialog box, frees the structure + * + * dbox: the dialog box on which to operate + * + * return: VOID +*/ +VOID dbox_release(struct dbox_ctx *dbox); + +/* + * Does the output of dialog box to the terminal + * + * dbox: the dialog box on which to operate + * + * return: VOID +*/ +VOID dbox_refresh(struct dbox_ctx *dbox); + +#endif /* UFM_DIALOG_BOX_H */ -- cgit v1.2.3-18-g5258