gl: Windows stuff.

 * Add icons to application and window.
 * Open file dialog if no command line argument.
 * Install file type associations.

4 files changed, 128 insertions, 13 deletions

diff --git a/platform/gl/gl-app.h b/platform/gl/gl-app.h
index 2a16cfdb..3889d92c 100644
--- a/platform/gl/gl-app.h
+++ b/platform/gl/gl-app.h
@@ -1,3 +1,9 @@
+#ifdef _WIN32
+#include <windows.h>
+void win_install(void);
+int win_open_file(char *buf, int len);
+#endif
+
 #include "mupdf/fitz.h"
 #include <GLFW/glfw3.h>
 
diff --git a/platform/gl/gl-main.c b/platform/gl/gl-main.c
index 88eaf5b0..8396029e 100644
--- a/platform/gl/gl-main.c
+++ b/platform/gl/gl-main.c
@@ -1,10 +1,3 @@
-#ifdef _WIN32
-#include <windows.h>
-#ifdef _MSC_VER
-#define main main_utf8
-#endif
-#endif
-
 #include "gl-app.h"
 
 struct ui ui;
@@ -131,7 +124,6 @@ static int zoom_out(int oldres)
 #define MAXRES (zoom_list[nelem(zoom_list)-1])
 #define DEFRES 96
 
-static const char *filename = "";
 static const char *title = "MuPDF/GL";
 static fz_document *doc = NULL;
 static fz_outline *outline = NULL;
@@ -379,7 +371,7 @@ static void do_copy_region(fz_rect *sel, int xofs, int yofs, float zoom, float r
 						saw_text = 1;
 						if (need_newline)
 						{
-#if defined(_WIN32) || defined(_WIN64)
+#ifdef _WIN32
 							fz_write_buffer_rune(ctx, buf, '\r');
 #endif
 							fz_write_buffer_rune(ctx, buf, '\n');
@@ -1199,14 +1191,31 @@ static void on_error(int error, const char *msg)
 	fprintf(stderr, "gl error %d: %s\n", error, msg);
 }
 
+
+#ifdef _MSC_VER
+int main_utf8(int argc, char **argv)
+#else
 int main(int argc, char **argv)
+#endif
 {
-	if (argc < 2) {
+	char filename[2048];
+
+	if (argc < 2)
+	{
+#ifdef _WIN32
+		win_install();
+		if (!win_open_file(filename, sizeof filename));
+			exit(0);
+#else
 		fprintf(stderr, "usage: mupdf-gl input.pdf\n");
 		exit(1);
+#endif
+	}
+	else
+	{
+		fz_strlcpy(filename, argv[1], sizeof filename);
 	}
 
-	filename = argv[1];
 	title = strrchr(filename, '/');
 	if (!title)
 		title = strrchr(filename, '\\');
@@ -1251,7 +1260,7 @@ int main(int argc, char **argv)
 
 	ui_init_fonts(ctx, ui.fontsize);
 
-	doc = fz_open_document(ctx, argv[1]);
+	doc = fz_open_document(ctx, filename);
 
 	render_page(currentpage, currentzoom, currentrotate);
 	update_title();
@@ -1288,7 +1297,7 @@ int main(int argc, char **argv)
 int wmain(int argc, wchar_t *wargv[])
 {
 	char **argv = fz_argv_from_wargv(argc, wargv);
-	int ret = main(argc, argv);
+	int ret = main_utf8(argc, argv);
 	fz_free_argv(argc, argv);
 	return ret;
 }
diff --git a/platform/gl/gl-win32.c b/platform/gl/gl-win32.c
new file mode 100644
index 00000000..d5830337
--- /dev/null
+++ b/platform/gl/gl-win32.c
@@ -0,0 +1,98 @@
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <commdlg.h>
+#include <shellapi.h>
+#include <stdio.h>
+
+#define OPEN_KEY(parent, name, ptr) \
+	RegCreateKeyExA(parent, name, 0, 0, 0, KEY_WRITE, 0, ptr, 0)
+#define SET_VALUE(parent, name, value) \
+	RegSetValueExA(parent, name, 0, REG_SZ, (const BYTE *)(value), (DWORD)strlen(value) + 1)
+
+void win_install(void)
+{
+	char command_str[2048], argv0[2048];
+	HKEY software, classes, mupdf;
+	HKEY supported_types, shell, open, command;
+	HKEY dotpdf, dotxps, dotcbz, dotepub;
+	HKEY pdf_progids, xps_progids, cbz_progids, epub_progids;
+
+	GetModuleFileNameA(NULL, argv0, sizeof argv0);
+	_snprintf(command_str, sizeof command_str, "\"%s\" \"%%1\"", argv0);
+
+	OPEN_KEY(HKEY_CURRENT_USER, "Software", &software);
+	OPEN_KEY(software, "Classes", &classes);
+	{
+		OPEN_KEY(classes, "MuPDF", &mupdf);
+		{
+			OPEN_KEY(mupdf, "SupportedTypes", &supported_types);
+			{
+				SET_VALUE(supported_types, ".pdf", "");
+				SET_VALUE(supported_types, ".xps", "");
+				SET_VALUE(supported_types, ".cbz", "");
+				SET_VALUE(supported_types, ".epub", "");
+			}
+			RegCloseKey(supported_types);
+			OPEN_KEY(mupdf, "shell", &shell);
+			OPEN_KEY(shell, "open", &open);
+			OPEN_KEY(open, "command", &command);
+			{
+				SET_VALUE(open, "FriendlyAppName", "MuPDF");
+				SET_VALUE(command, "", command_str);
+			}
+			RegCloseKey(command);
+			RegCloseKey(open);
+			RegCloseKey(shell);
+		}
+		RegCloseKey(mupdf);
+
+		OPEN_KEY(classes, ".pdf", &dotpdf);
+		OPEN_KEY(classes, ".xps", &dotxps);
+		OPEN_KEY(classes, ".cbz", &dotcbz);
+		OPEN_KEY(classes, ".epub", &dotepub);
+		{
+			OPEN_KEY(dotpdf, "OpenWithProgids", &pdf_progids);
+			OPEN_KEY(dotxps, "OpenWithProgids", &xps_progids);
+			OPEN_KEY(dotcbz, "OpenWithProgids", &cbz_progids);
+			OPEN_KEY(dotepub, "OpenWithProgids", &epub_progids);
+			{
+				SET_VALUE(pdf_progids, "MuPDF", "");
+				SET_VALUE(xps_progids, "MuPDF", "");
+				SET_VALUE(cbz_progids, "MuPDF", "");
+				SET_VALUE(epub_progids, "MuPDF", "");
+			}
+			RegCloseKey(pdf_progids);
+			RegCloseKey(xps_progids);
+			RegCloseKey(cbz_progids);
+			RegCloseKey(epub_progids);
+		}
+		RegCloseKey(dotpdf);
+		RegCloseKey(dotxps);
+		RegCloseKey(dotcbz);
+		RegCloseKey(dotepub);
+	}
+	RegCloseKey(classes);
+	RegCloseKey(software);
+}
+
+int win_open_file(char *buf, int len)
+{
+	wchar_t wbuf[2048];
+	OPENFILENAME ofn;
+	int code;
+	wbuf[0] = 0;
+	memset(&ofn, 0, sizeof(OPENFILENAME));
+	ofn.lStructSize = sizeof(OPENFILENAME);
+	ofn.lpstrFile = wbuf;
+	ofn.nMaxFile = 2048;
+	ofn.lpstrTitle = L"MuPDF: Open PDF file";
+	ofn.lpstrFilter = L"Documents (*.pdf;*.xps;*.cbz;*.epub;*.zip;*.png;*.jpeg;*.tiff)\0*.zip;*.cbz;*.xps;*.epub;*.pdf;*.jpe;*.jpg;*.jpeg;*.jfif;*.tif;*.tiff\0PDF Files (*.pdf)\0*.pdf\0XPS Files (*.xps)\0*.xps\0CBZ Files (*.cbz;*.zip)\0*.zip;*.cbz\0EPUB Files (*.epub)\0*.epub\0Image Files (*.png;*.jpeg;*.tiff)\0*.png;*.jpg;*.jpe;*.jpeg;*.jfif;*.tif;*.tiff\0All Files\0*\0\0";
+	ofn.Flags = OFN_FILEMUSTEXIST|OFN_HIDEREADONLY;
+	code = GetOpenFileNameW(&ofn);
+	if (code)
+		WideCharToMultiByte(CP_UTF8, 0, wbuf, -1, buf, len, NULL, NULL);
+	return code;
+}
+
+#endif
diff --git a/platform/gl/gl-winres.rc b/platform/gl/gl-winres.rc
new file mode 100644
index 00000000..081cff94
--- /dev/null
+++ b/platform/gl/gl-winres.rc
@@ -0,0 +1,2 @@
+IDI_ICONAPP ICON "mupdf.ico"
+GLFW_ICON ICON "mupdf.ico"