all repos — mgba @ d5697971a93a22ecc90a25e969fae05b91437617

mGBA Game Boy Advance Emulator

GUI: Use the real page size for page scrolling
Jeffrey Pfau jeffrey@endrift.com
Wed, 26 Aug 2015 21:45:55 -0700
commit

d5697971a93a22ecc90a25e969fae05b91437617

parent

87a05e3ed1828cea1ac54e9397f5e69825e92efc

1 files changed, 10 insertions(+), 4 deletions(-)

jump to
M src/util/gui/file-select.c → src/util/gui/file-select.c 
@@ -85,6 +85,12 @@ strncpy(currentPath, basePath, outLen);
 	}
 	size_t fileIndex = 0;
 	size_t start = 0;
+	size_t pageSize = params->height / GUIFontHeight(params->font);
+	if (pageSize > 4) {
+		pageSize -= 4;
+	} else {
+		pageSize = 1;
+	}
 
 	struct FileList currentFiles;
 	FileListInit(&currentFiles, 0);

@@ -113,15 +119,15 @@ if (newInput & (1 << GUI_INPUT_DOWN) && fileIndex < FileListSize(&currentFiles) - 1) {
 			++fileIndex;
 		}
 		if (newInput & (1 << GUI_INPUT_LEFT)) {
-			if (fileIndex >= ITERATION_SIZE) {
-				fileIndex -= ITERATION_SIZE;
+			if (fileIndex >= pageSize) {
+				fileIndex -= pageSize;
 			} else {
 				fileIndex = 0;
 			}
 		}
 		if (newInput & (1 << GUI_INPUT_RIGHT)) {
-			if (fileIndex + ITERATION_SIZE < FileListSize(&currentFiles)) {
-				fileIndex += ITERATION_SIZE;
+			if (fileIndex + pageSize < FileListSize(&currentFiles)) {
+				fileIndex += pageSize;
 			} else {
 				fileIndex = FileListSize(&currentFiles) - 1;
 			}