Changed Method Names
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Simon
parent
72046f2e0c
commit
14b4677e98
118
menu.c
118
menu.c
@ -1,5 +1,6 @@
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#include "pch.h"
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#include "framework.h"
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#include "menu.h"
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const struct MenuBorder DEFAULT = {
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@ -18,6 +19,66 @@ const struct MenuBorder SOLID = {
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186, 205, 201, 187, 200, 188, '[', ']'
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};
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void print_content(const int itemc, const struct MenuItem itemv[], const char title[], const struct MenuBorder* border);
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void show_menu(const struct MenuPage* pages, const size_t page_count, const bool infinite_loop)
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{
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unsigned int page_index = 0;
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bool action_performed, loop, page_changed = true;
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char page_key, itemKey;
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int i;
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do {
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do {
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print_content(pages[page_index].item_count, pages[page_index].items, pages[page_index].title, pages[page_index].border);
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// Wait for user selection
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putchar('>');
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putchar(' ');
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loop = pages[page_index].loopback;
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page_key = _getch();
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// Forward paging
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if (page_key == 'm' && page_index < page_count - 1)
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++page_index;
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// Backward paging
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else if (page_key == 'n' && page_index > 0)
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--page_index;
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else
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{
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page_changed = false;
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itemKey = page_key;
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do {
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action_performed = false;
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itemKey != page_key ? itemKey = _getch() : page_key;
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page_key = 0;
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for (i = 0; i < pages[page_index].item_count; ++i)
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{
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if (pages[page_index].items[i].key == itemKey)
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{
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// Perform action
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system("cls");
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pages[page_index].items[i].action();
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action_performed = true;
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// Pause if requested
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if (pages[page_index].pause)
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{
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putchar('\n');
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system("pause");
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}
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}
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}
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} while (!action_performed);
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}
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} while (loop || page_changed);
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page_index = 0;
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} while (infinite_loop);
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}
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// Checks if a line index should display a menu item
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bool is_item_line(const int line, const int itemc, int* item_index)
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{
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@ -40,57 +101,8 @@ void get_console_dimensions(int* width, int* height)
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*height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
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}
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void page(const struct MenuPage *pages, const size_t page_count, const bool infinite_loop) {
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unsigned int page_index = 0;
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bool action_performed, loop, pageChanged = true;
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char pageKey, itemKey;
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do {
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do {
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show_menu(pages[page_index].item_count, pages[page_index].items, pages[page_index].title, pages[page_index].border);
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// Wait for user selection
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putchar('>');
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putchar(' ');
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loop = pages[page_index].loopback;
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pageKey = _getch();
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if (pageKey == 'm')
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page_index < page_count - 1 ? page_index++ : page_index;
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else if (pageKey == 'n')
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page_index > 0 ? page_index-- : page_index;
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else {
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pageChanged = false;
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itemKey = pageKey;
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do {
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action_performed = false;
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itemKey != pageKey ? itemKey = _getch() : pageKey;
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pageKey = 0;
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for (int i = 0; i < pages[page_index].item_count; ++i) {
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if (pages[page_index].items[i].key == itemKey) {
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// Perform action
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system("cls");
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pages[page_index].items[i].action();
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action_performed = true;
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// Pause if requested
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if (pages[page_index].pause) {
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putchar('\n');
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system("pause");
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}
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}
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}
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} while (!action_performed);
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}
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} while (loop || pageChanged);
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page_index = 0;
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} while (infinite_loop);
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}
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void show_menu(const int itemc, const struct MenuItem itemv[], const char title[], const struct MenuBorder *border)
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// Draws a menu to the console
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void print_content(const int itemc, const struct MenuItem itemv[], const char title[], const struct MenuBorder* border)
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{
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unsigned width, height, item_index;
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@ -111,7 +123,7 @@ void show_menu(const int itemc, const struct MenuItem itemv[], const char title[
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for (unsigned j = 1; j < width - strlen(title) - 2; ++j)
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{
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if (j == ((width - strlen(title)) - 2)/ 2)
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if (j == ((width - strlen(title)) - 2) / 2)
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{
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putchar(border->title_left);
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fputs(title, stdout);
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@ -132,7 +144,7 @@ void show_menu(const int itemc, const struct MenuItem itemv[], const char title[
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// Print item text
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putchar(border->line_vertical);
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if (strcmp(itemv[item_index].text, "BLANK") == 0) {
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if (strcmp(itemv[item_index].text, "BLANK") == 0) {
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putchar('\t');
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// BLANK equals 5 characters
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4
menu.h
4
menu.h
@ -39,11 +39,11 @@ struct MenuPage {
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/// <param name="pages">An array of all pages to display.</param>
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/// <param name="page_count">The length of the array <c>pages</c>.</param>
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/// <param name="infinite_loop">Always display the first page after a loopback=false item finished executing.</param>
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void page(const struct MenuPage* pages, const size_t page_count, const bool infinite_loop);
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void show_menu(const struct MenuPage* pages, const size_t page_count, const bool infinite_loop);
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/// <summary>Displaces a CUI menu to the user</summary>
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/// <param name="itemc">The length of the array <c>itemv</c> of menu items.</param>
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/// <param name="itemv">An array of all menu items to display in the menu.</param>
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/// <param name="title">The title of the menu.</param>
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/// <param name="border">Specifies the border in which the menu is displayed.</param>
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void show_menu(const int itemc, const struct MenuItem itemv[], const char title[], const struct MenuBorder *border);
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void show_menu(const struct MenuPage* pages, const size_t page_count, const bool infinite_loop);
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