diff options
Diffstat (limited to 'src/help.c')
| -rw-r--r-- | src/help.c | 78 |
1 files changed, 72 insertions, 6 deletions
@@ -20,6 +20,7 @@ #include <SDL.h> #include <SDL_ttf.h> #include <config.h> +#include "collision.h" #include "help.h" #include "main.h" #include "output.h" @@ -96,6 +97,10 @@ db_help(void) SDL_Texture *texture; SDL_Rect text_src_rect; SDL_Rect text_dst_rect; + SDL_Rect up_rect; + SDL_Rect dn_rect; + int up_over; + int dn_over; SDL_Event event; font_path = db_strcat(db_get_fonts_dir(), "/UbuntuTitling-Bold.ttf"); @@ -139,6 +144,18 @@ db_help(void) text_dst_rect.w = 592; text_dst_rect.h = 448; + up_rect.x = 608; + up_rect.y = 16; + up_rect.w = 16; + up_rect.h = 8; + + dn_rect.x = 608; + dn_rect.y = 456; + dn_rect.w = 16; + dn_rect.h = 8; + + up_over = 0; + dn_over = 0; _db_help_quit = 0; while (SDL_WaitEvent(&event)) { switch (event.type) { @@ -180,6 +197,49 @@ db_help(void) break; } break; + case SDL_MOUSEMOTION: + if (event.motion.state != 0) { + break; + } + if (db_pt_in_rect(event.motion.x, + event.motion.y, + &up_rect)) { + up_over = 1; + break; + } else { + up_over = 0; + } + if (db_pt_in_rect(event.motion.x, + event.motion.y, + &dn_rect)) { + dn_over = 1; + break; + } else { + dn_over = 0; + } + break; + case SDL_MOUSEBUTTONDOWN: + if (event.button.button != SDL_BUTTON_LEFT) { + break; + } + if (db_pt_in_rect(event.button.x, + event.button.y, + &up_rect)) { + text_src_rect.y -= 16; + if (text_src_rect.y < 0) { + text_src_rect.y = 0; + } + } else if (db_pt_in_rect(event.button.x, + event.button.y, + &dn_rect)) { + text_src_rect.y += 16; + if (text_src_rect.y > surface->h - + text_src_rect.h) { + text_src_rect.y = surface->h - + text_src_rect.h; + } + } + break; default: break; } @@ -190,19 +250,25 @@ db_help(void) SDL_RenderClear(renderer); SDL_RenderCopy(renderer, texture, &text_src_rect, &text_dst_rect); - if (text_src_rect.y > 0) { + if (text_src_rect.y <= 0) { _db_help_triangle(renderer, - 0x00, 0x00, 0xFF, 0xFF, 608, 16, -1); + 0x3F, 0x3F, 0x7F, 0xFF, 608, 16, -1); + } else if (up_over == 1) { + _db_help_triangle(renderer, + 0xFF, 0xFF, 0xFF, 0xFF, 608, 16, -1); } else { _db_help_triangle(renderer, - 0x3F, 0x3F, 0x7F, 0xFF, 608, 16, -1); + 0x00, 0x00, 0xFF, 0xFF, 608, 16, -1); } - if (text_src_rect.y < surface->h - text_src_rect.h) { + if (text_src_rect.y >= surface->h - text_src_rect.h) { _db_help_triangle(renderer, - 0x00, 0x00, 0xFF, 0xFF, 608, 456, 1); + 0x3F, 0x3F, 0x7F, 0xFF, 608, 456, 1); + } else if (dn_over == 1) { + _db_help_triangle(renderer, + 0xFF, 0xFF, 0xFF, 0xFF, 608, 456, 1); } else { _db_help_triangle(renderer, - 0x3F, 0x3F, 0x7F, 0xFF, 608, 456, 1); + 0x00, 0x00, 0xFF, 0xFF, 608, 456, 1); } SDL_RenderPresent(renderer); } |