Add sys/win32/comdlg32.odin

2 files changed, 105 insertions, 10 deletions

diff --git a/core/sys/win32/comdlg32.odin b/core/sys/win32/comdlg32.odin
new file mode 100644
index 000000000..790c9d598
--- /dev/null
+++ b/core/sys/win32/comdlg32.odin
@@ -0,0 +1,93 @@
+// +build windows
+package win32
+
+foreign import "system:comdlg32.lib"
+
+OFN_Hook_Proc :: #type proc "stdcall" (hdlg: Hwnd, msg: u32, wparam: Wparam, lparam: Lparam) -> Uint_Ptr;
+
+Open_File_Name_A :: struct {
+	struct_size:     u32,
+	hwnd_owner:      Hwnd,
+	instance:        Hinstance,
+	filter:          cstring,
+	custom_filter:   cstring,
+	max_cust_filter: u32,
+	filter_index:    u32,
+	file:            cstring,
+	max_file:        u32,
+	file_title:      cstring,
+	max_file_title:  u32,
+	initial_dir:     cstring,
+	title:           cstring,
+	flags:           u32,
+	file_offset:     u16,
+	file_extension:  u16,
+	def_ext:         cstring,
+	cust_data:       Lparam,
+	hook:            OFN_Hook_Proc,
+	template_name:   cstring,
+	pv_reserved:     rawptr,
+	dw_reserved:     u32,
+	flags_ex:        u32,
+}
+
+Open_File_Name_W :: struct {
+	struct_size:     u32,
+	hwnd_owner:      Hwnd,
+	instance:        Hinstance,
+	filter:          Wstring,
+	custom_filter:   Wstring,
+	max_cust_filter: u32,
+	filter_index:    u32,
+	file:            Wstring,
+	max_file:        u32,
+	file_title:      Wstring,
+	max_file_title:  u32,
+	initial_dir:     Wstring,
+	title:           Wstring,
+	flags:           u32,
+	file_offset:     u16,
+	file_extension:  u16,
+	def_ext:         Wstring,
+	cust_data:       Lparam,
+	hook:            OFN_Hook_Proc,
+	template_name:   Wstring,
+	pv_reserved:     rawptr,
+	dw_reserved:     u32,
+	flags_ex:        u32,
+}
+
+@(default_calling_convention = "c")
+foreign comdlg32 {
+	@(link_name="GetOpenFileNameA") get_open_file_name_a :: proc(arg1: ^Open_File_Name_A) -> Bool ---
+	@(link_name="GetOpenFileNameW") get_open_file_name_w :: proc(arg1: ^Open_File_Name_W) -> Bool ---
+
+	@(link_name="CommDlgExtendedError") comm_dlg_extended_error :: proc() -> u32 ---
+}
+
+OFN_ALLOWMULTISELECT     :: 0x00000200;
+OFN_CREATEPROMPT         :: 0x00002000;
+OFN_DONTADDTORECENT      :: 0x02000000;
+OFN_ENABLEHOOK           :: 0x00000020;
+OFN_ENABLEINCLUDENOTIFY  :: 0x00400000;
+OFN_ENABLESIZING         :: 0x00800000;
+OFN_ENABLETEMPLATE       :: 0x00000040;
+OFN_ENABLETEMPLATEHANDLE :: 0x00000080;
+OFN_EXPLORER             :: 0x00080000;
+OFN_EXTENSIONDIFFERENT   :: 0x00000400;
+OFN_FILEMUSTEXIST        :: 0x00001000;
+OFN_FORCESHOWHIDDEN      :: 0x10000000;
+OFN_HIDEREADONLY         :: 0x00000004;
+OFN_LONGNAMES            :: 0x00200000;
+OFN_NOCHANGEDIR          :: 0x00000008;
+OFN_NODEREFERENCELINKS   :: 0x00100000;
+OFN_NOLONGNAMES          :: 0x00040000;
+OFN_NONETWORKBUTTON      :: 0x00020000;
+OFN_NOREADONLYRETURN     :: 0x00008000;
+OFN_NOTESTFILECREATE     :: 0x00010000;
+OFN_NOVALIDATE           :: 0x00000100;
+OFN_OVERWRITEPROMPT      :: 0x00000002;
+OFN_PATHMUSTEXIST        :: 0x00000800;
+OFN_READONLY             :: 0x00000001;
+OFN_SHAREAWARE           :: 0x00004000;
+OFN_SHOWHELP             :: 0x00000010;
diff --git a/core/sys/win32/general.odin b/core/sys/win32/general.odin
index 7a1841e61..c7e79860a 100644
--- a/core/sys/win32/general.odin
+++ b/core/sys/win32/general.odin
@@ -1,6 +1,9 @@
 // +build windows
 package win32
 
+Uint_Ptr :: distinct uint;
+Long_Ptr :: distinct int;
+
 Handle    :: distinct rawptr;
 Hwnd      :: distinct Handle;
 Hdc       :: distinct Handle;
@@ -16,18 +19,17 @@ Hmonitor  :: distinct Handle;
 Hrawinput :: distinct Handle;
 Hresult   :: distinct i32;
 HKL       :: distinct Handle;
-Wparam    :: distinct uint;
-Lparam    :: distinct int;
-Lresult   :: distinct int;
+Wparam    :: distinct Uint_Ptr;
+Lparam    :: distinct Long_Ptr;
+Lresult   :: distinct Long_Ptr;
 Wnd_Proc  :: distinct #type proc "c" (Hwnd, u32, Wparam, Lparam) -> Lresult;
 Monitor_Enum_Proc :: distinct #type proc "std" (Hmonitor, Hdc, ^Rect, Lparam) -> bool;
 
-Uint_Ptr :: distinct uint;
-Long_Ptr :: distinct int;
+
 
 Bool :: distinct b32;
 
-Wstring :: ^u16;
+Wstring :: distinct ^u16;
 
 Point :: struct {
 	x, y: i32,
@@ -720,7 +722,7 @@ utf8_to_ucs2 :: proc(s: string, allocator := context.temp_allocator) -> []u16 {
 
 	text := make([]u16, n+1, allocator);
 
-	n1 := multi_byte_to_wide_char(CP_UTF8, MB_ERR_INVALID_CHARS, cstring(&s[0]), i32(len(s)), &text[0], i32(n));
+	n1 := multi_byte_to_wide_char(CP_UTF8, MB_ERR_INVALID_CHARS, cstring(&s[0]), i32(len(s)), Wstring(&text[0]), i32(n));
 	if n1 == 0 {
 		delete(text, allocator);
 		return nil;
@@ -732,7 +734,7 @@ utf8_to_ucs2 :: proc(s: string, allocator := context.temp_allocator) -> []u16 {
 }
 utf8_to_wstring :: proc(s: string, allocator := context.temp_allocator) -> Wstring {
 	if res := utf8_to_ucs2(s, allocator); res != nil {
-		return &res[0];
+		return Wstring(&res[0]);
 	}
 	return nil;
 }
@@ -742,14 +744,14 @@ ucs2_to_utf8 :: proc(s: []u16, allocator := context.temp_allocator) -> string {
 		return "";
 	}
 
-	n := wide_char_to_multi_byte(CP_UTF8, WC_ERR_INVALID_CHARS, &s[0], i32(len(s)), nil, 0, nil, nil);
+	n := wide_char_to_multi_byte(CP_UTF8, WC_ERR_INVALID_CHARS, Wstring(&s[0]), i32(len(s)), nil, 0, nil, nil);
 	if n == 0 {
 		return "";
 	}
 
 	text := make([]byte, n+1, allocator);
 
-	n1 := wide_char_to_multi_byte(CP_UTF8, WC_ERR_INVALID_CHARS, &s[0], i32(len(s)), cstring(&text[0]), n, nil, nil);
+	n1 := wide_char_to_multi_byte(CP_UTF8, WC_ERR_INVALID_CHARS, Wstring(&s[0]), i32(len(s)), cstring(&text[0]), n, nil, nil);
 	if n1 == 0 {
 		delete(text, allocator);
 		return "";