mirror of
https://github.com/tauri-apps/web-view.git
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44ed909ea3
It was not needed, simple null check is enough. Webview on macOS, Linux, and Windows correctly display empty webpage is content is empty, no need to display empty html document. With this, Linux gtk backend is now fully in Rust, no c compiler needed.
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
#ifndef WEBVIEW_H
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#define WEBVIEW_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef WEBVIEW_STATIC
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#define WEBVIEW_API static
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#else
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#define WEBVIEW_API extern
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#endif
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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typedef void* webview_t;
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typedef void (*webview_external_invoke_cb_t)(webview_t w, const char *arg);
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typedef void (*webview_dispatch_fn)(webview_t w, void *arg);
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WEBVIEW_API void webview_run(webview_t w);
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WEBVIEW_API int webview_loop(webview_t w, int blocking);
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WEBVIEW_API int webview_eval(webview_t w, const char *js);
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WEBVIEW_API void webview_set_title(webview_t w, const char *title);
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WEBVIEW_API void webview_set_fullscreen(webview_t w, int fullscreen);
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WEBVIEW_API void webview_set_color(webview_t w, uint8_t r, uint8_t g,
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uint8_t b, uint8_t a);
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WEBVIEW_API void webview_dispatch(webview_t w, webview_dispatch_fn fn,
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void *arg);
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WEBVIEW_API void webview_exit(webview_t w);
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WEBVIEW_API void webview_debug(const char *format, ...);
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WEBVIEW_API void webview_print_log(const char *s);
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WEBVIEW_API void* webview_get_user_data(webview_t w);
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WEBVIEW_API webview_t webview_new(const char* title, const char* url, int width, int height, int resizable, int debug, int frameless, webview_external_invoke_cb_t external_invoke_cb, void* userdata);
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WEBVIEW_API void webview_free(webview_t w);
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WEBVIEW_API void webview_destroy(webview_t w);
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// TODO WEBVIEW_API void webview_navigate(webview_t w, const char* url);
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struct webview_dispatch_arg {
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webview_dispatch_fn fn;
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webview_t w;
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void *arg;
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};
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// Convert ASCII hex digit to a nibble (four bits, 0 - 15).
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//
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// Use unsigned to avoid signed overflow UB.
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static inline unsigned char hex2nibble(unsigned char c) {
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if (c >= '0' && c <= '9') {
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return c - '0';
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} else if (c >= 'a' && c <= 'f') {
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return 10 + (c - 'a');
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} else if (c >= 'A' && c <= 'F') {
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return 10 + (c - 'A');
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}
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return 0;
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}
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// Convert ASCII hex string (two characters) to byte.
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//
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// E.g., "0B" => 0x0B, "af" => 0xAF.
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static inline char hex2char(const char* p) {
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return hex2nibble(p[0]) * 16 + hex2nibble(p[1]);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif // WEBVIEW_H
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