bugfixes, new scaling, double ym upd at 940
[picodrive.git] / platform / win32 / GenaDrive / FileMenu.cpp
CommitLineData
cc68a136 1\r
2#include "app.h"\r
3#include "FileMenu.h"\r
4\r
5class FileMenu FileMenu;\r
6\r
7FileMenu::FileMenu()\r
8{\r
9 memset(this,0,sizeof(*this));\r
10}\r
11\r
12int FileMenu::init()\r
13{\r
14 memset(this,0,sizeof(*this));\r
15 strcpy(currentPath,HOME "roms");\r
16\r
17 return 0;\r
18}\r
19\r
20int FileMenu::scan()\r
21{\r
22 char path[260];\r
23\r
24 memset(path,0,sizeof(path));\r
25\r
26 // Scan for all the roms in the current directory:\r
27 nameReset();\r
28\r
29 sprintf(path,"%.240s\\*.bin", currentPath); nameFind(path);\r
30 sprintf(path,"%.240s\\*.smd", currentPath); nameFind(path);\r
31 sprintf(path,"%.240s\\*.zip",currentPath); nameFind(path);\r
32\r
33 return 0;\r
34}\r
35\r
36void FileMenu::exit()\r
37{\r
38 free(nameList);\r
39 memset(this,0,sizeof(*this));\r
40}\r
41\r
42int FileMenu::render()\r
43{\r
44 int x=0,y=0;\r
45 int pos=0,index=0;\r
46 WCHAR text[64];\r
47 int height=24;\r
48\r
49 memset(text,0,sizeof(text));\r
50\r
51 x=120; y=224;\r
52 y-=(choiceFocus*height)>>8;\r
53\r
54 while (pos<nameSize)\r
55 {\r
56 char *name=NULL;\r
57\r
58 name=nameList+pos;\r
59\r
60 if (y>-height && y<MainHeight)\r
61 {\r
62 unsigned int colour=0xffffff;\r
63\r
64 // If this line is visible:\r
65 wsprintfW(text,L"%.42S",name);\r
66 if (index==(choiceFocus>>8)) colour=0x00ff40;\r
67\r
68 FontSetColour(colour);\r
69 FontText(text,x,y);\r
70 }\r
71 \r
72 y+=height;\r
73 pos+=strlen(name)+1; // Skip to next string\r
74 index++;\r
75 }\r
76\r
77 return 0;\r
78}\r
79\r
80int FileMenu::scroll(int amount)\r
81{\r
82 int max=0;\r
83\r
84 choiceFocus+=amount;\r
85\r
86 max=nameCount<<8;\r
87 if (choiceFocus<0) choiceFocus=0;\r
88 if (choiceFocus>=max) choiceFocus=max-1;\r
89\r
90 return 0;\r
91}\r
92\r
93// Get the currently highlighted filename\r
94int FileMenu::getFilePath(char *path)\r
95{\r
96 int focus=0;\r
97 int pos=0;\r
98 char *name=NULL;\r
99\r
100 // Find where the user is focused\r
101 focus=choiceFocus>>8;\r
102 pos=nameOffset(focus); if (pos<0) return 1;\r
103\r
104 name=nameList+pos;\r
105\r
106 // Return path and name:\r
107 sprintf(path,"%.128s\\%.128s",currentPath,name);\r
108 return 0;\r
109}\r
110\r
111// ----------------------------------------------------------------------\r
112int FileMenu::nameReset()\r
113{\r
114 free(nameList); nameList=NULL;\r
115 nameSize=nameMax=nameCount=0;\r
116\r
117 return 0;\r
118}\r
119\r
120int FileMenu::nameFind(char *path)\r
121{\r
122 HANDLE find=NULL;\r
123 WIN32_FIND_DATA wfd;\r
124 \r
125 memset(&wfd,0,sizeof(wfd));\r
126\r
127 find=FindFirstFile(path,&wfd);\r
128 if (find==INVALID_HANDLE_VALUE) return 1;\r
129 \r
130 for (;;)\r
131 {\r
132 nameAdd(wfd.cFileName); // Add the name to the list\r
133\r
134 if (FindNextFile(find,&wfd)==0) break;\r
135 }\r
136\r
137 FindClose(find);\r
138 return 0;\r
139}\r
140\r
141int FileMenu::nameAdd(char *entry)\r
142{\r
143 int len=0;\r
144\r
145 len=strlen(entry);\r
146 // Check we have room for this entry:\r
147 if (nameSize+len+1>nameMax) nameSizeUp();\r
148 if (nameSize+len+1>nameMax) return 1;\r
149\r
150 // Add entry with zero at the end:\r
151 memcpy(nameList+nameSize,entry,len);\r
152 nameSize+=len+1;\r
153 nameCount++;\r
154\r
155 return 0;\r
156}\r
157\r
158int FileMenu::nameSizeUp()\r
159{\r
160\r
161 void *mem=NULL;\r
162 int add=256;\r
163\r
164 // Allocate more memory for the list:\r
165 mem=realloc(nameList,nameMax+add); if (mem==NULL) return 1;\r
166\r
167 nameList=(char *)mem;\r
168 memset(nameList+nameMax,0,add); // Blank new memory\r
169 nameMax+=add;\r
170 return 0;\r
171}\r
172\r
173int FileMenu::nameOffset(int index)\r
174{\r
175 int pos=0,i=0;\r
176\r
177 while (pos<nameSize)\r
178 {\r
179 char *name=nameList+pos;\r
180\r
181 if (i==index) return pos;\r
182\r
183 pos+=strlen(name)+1; // Skip to next string\r
184 i++;\r
185 }\r
186\r
187 return -1; // Unknown index\r
188}\r