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Move C code back into linux_cgo.go
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@abichinger @tmclane
abichinger authored and tmclane committed Apr 15, 2024
1 parent 77fd340 commit 031aefd
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31 changes: 0 additions & 31 deletions v3/pkg/application/linux_cgo.c
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216 changes: 215 additions & 1 deletion v3/pkg/application/linux_cgo.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,221 @@ import (
/*
#cgo linux pkg-config: gtk+-3.0 webkit2gtk-4.0 gdk-3.0
#include "linux_cgo.h"
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <webkit2/webkit2.h>
#include <stdio.h>
#include <limits.h>
#include <stdint.h>
#ifdef G_APPLICATION_DEFAULT_FLAGS
#define APPLICATION_DEFAULT_FLAGS G_APPLICATION_DEFAULT_FLAGS
#else
#define APPLICATION_DEFAULT_FLAGS G_APPLICATION_FLAGS_NONE
#endif
typedef struct CallbackID
{
unsigned int value;
} CallbackID;
extern void dispatchOnMainThreadCallback(unsigned int);
static gboolean dispatchCallback(gpointer data) {
struct CallbackID *args = data;
unsigned int cid = args->value;
dispatchOnMainThreadCallback(cid);
free(args);
return G_SOURCE_REMOVE;
};
static void dispatchOnMainThread(unsigned int id) {
CallbackID *args = malloc(sizeof(CallbackID));
args->value = id;
g_idle_add((GSourceFunc)dispatchCallback, (gpointer)args);
}
typedef struct WindowEvent {
uint id;
uint event;
} WindowEvent;
// exported below
void activateLinux(gpointer data);
extern void emit(WindowEvent* data);
extern gboolean handleDeleteEvent(GtkWidget*, GdkEvent*, uintptr_t);
extern gboolean handleFocusEvent(GtkWidget*, GdkEvent*, uintptr_t);
extern void handleLoadChanged(WebKitWebView*, WebKitLoadEvent, uintptr_t);
void handleClick(void*);
extern gboolean onButtonEvent(GtkWidget *widget, GdkEventButton *event, uintptr_t user_data);
extern gboolean onMenuButtonEvent(GtkWidget *widget, GdkEventButton *event, uintptr_t user_data);
extern void onUriList(char **extracted, gpointer data);
extern gboolean onKeyPressEvent (GtkWidget *widget, GdkEventKey *event, uintptr_t user_data);
extern void onProcessRequest(WebKitURISchemeRequest *request, uintptr_t user_data);
extern void sendMessageToBackend(WebKitUserContentManager *contentManager, WebKitJavascriptResult *result, void *data);
// exported below (end)
static void signal_connect(void *widget, char *event, void *cb, void* data) {
// g_signal_connect is a macro and can't be called directly
g_signal_connect(widget, event, cb, data);
}
static WebKitWebView* webkit_web_view(GtkWidget *webview) {
return WEBKIT_WEB_VIEW(webview);
}
static void* new_message_dialog(GtkWindow *parent, const gchar *msg, int dialogType, bool hasButtons) {
// gtk_message_dialog_new is variadic! Can't call from cgo directly
GtkWidget *dialog;
int buttonMask;
// buttons will be added after creation
buttonMask = GTK_BUTTONS_OK;
if (hasButtons) {
buttonMask = GTK_BUTTONS_NONE;
}
dialog = gtk_message_dialog_new(
parent,
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
dialogType,
buttonMask,
"%s",
msg);
// g_signal_connect_swapped (dialog,
// "response",
// G_CALLBACK (callback),
// dialog);
return dialog;
};
extern void messageDialogCB(gint button);
static void* gtkFileChooserDialogNew(char* title, GtkWindow* window, GtkFileChooserAction action, char* cancelLabel, char* acceptLabel) {
// gtk_file_chooser_dialog_new is variadic! Can't call from cgo directly
return (GtkFileChooser*)gtk_file_chooser_dialog_new(
title,
window,
action,
cancelLabel,
GTK_RESPONSE_CANCEL,
acceptLabel,
GTK_RESPONSE_ACCEPT,
NULL);
}
typedef struct Screen {
const char* id;
const char* name;
int p_width;
int p_height;
int width;
int height;
int x;
int y;
int w_width;
int w_height;
int w_x;
int w_y;
float scale;
double rotation;
bool isPrimary;
} Screen;
// CREDIT: https://github.com/rainycape/magick
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
static void fix_signal(int signum) {
struct sigaction st;
if (sigaction(signum, NULL, &st) < 0) {
goto fix_signal_error;
}
st.sa_flags |= SA_ONSTACK;
if (sigaction(signum, &st, NULL) < 0) {
goto fix_signal_error;
}
return;
fix_signal_error:
fprintf(stderr, "error fixing handler for signal %d, please "
"report this issue to "
"https://github.com/wailsapp/wails: %s\n",
signum, strerror(errno));
}
static void install_signal_handlers() {
#if defined(SIGCHLD)
fix_signal(SIGCHLD);
#endif
#if defined(SIGHUP)
fix_signal(SIGHUP);
#endif
#if defined(SIGINT)
fix_signal(SIGINT);
#endif
#if defined(SIGQUIT)
fix_signal(SIGQUIT);
#endif
#if defined(SIGABRT)
fix_signal(SIGABRT);
#endif
#if defined(SIGFPE)
fix_signal(SIGFPE);
#endif
#if defined(SIGTERM)
fix_signal(SIGTERM);
#endif
#if defined(SIGBUS)
fix_signal(SIGBUS);
#endif
#if defined(SIGSEGV)
fix_signal(SIGSEGV);
#endif
#if defined(SIGXCPU)
fix_signal(SIGXCPU);
#endif
#if defined(SIGXFSZ)
fix_signal(SIGXFSZ);
#endif
}
static int GetNumScreens(){
return 0;
}
static void on_data_received(GtkWidget *widget, GdkDragContext *context, gint x, gint y,
GtkSelectionData *selection_data, guint target_type, guint time,
gpointer data)
{
gint length = gtk_selection_data_get_length(selection_data);
if (length < 0)
{
g_print("DnD failed!\n");
gtk_drag_finish(context, FALSE, FALSE, time);
}
gchar *uri_data = (gchar *)gtk_selection_data_get_data(selection_data);
gchar **uri_list = g_uri_list_extract_uris(uri_data);
onUriList(uri_list, data);
g_strfreev(uri_list);
gtk_drag_finish(context, TRUE, TRUE, time);
}
// drag and drop tutorial: https://wiki.gnome.org/Newcomers/OldDragNDropTutorial
static void enableDND(GtkWidget *widget, gpointer data)
{
GtkTargetEntry *target = gtk_target_entry_new("text/uri-list", 0, 0);
gtk_drag_dest_set(widget, GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP, target, 1, GDK_ACTION_COPY);
signal_connect(widget, "drag-data-received", on_data_received, data);
}
*/
import "C"

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