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https://github.com/ClassiCube/ClassiCube.git
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C client: Implement error dialog on linux
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UnknownShadow200
parent
d5faaf9c26
commit
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@ -2,6 +2,8 @@
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#include "Platform.h"
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#include "Chat.h"
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#include "Window.h"
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#include "Funcs.h"
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static void ErrorHandler_FailCore(ReturnCode result, const char* raw_msg, void* ctx);
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static void ErrorHandler_Backtrace(STRING_TRANSIENT String* str, void* ctx);
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static void ErrorHandler_Registers(STRING_TRANSIENT String* str, void* ctx);
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@ -119,12 +121,240 @@ static void ErrorHandler_Backtrace(STRING_TRANSIENT String* str, void* ctx) {
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String_AppendConst(str, "\r\n");
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}
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#elif CC_BUILD_NIX
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/keysym.h>
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Display* dpy;
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unsigned long X11_Col(UInt8 r, UInt8 g, UInt8 b) {
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Colormap cmap = XDefaultColormap(dpy, DefaultScreen(dpy));
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XColor col = { 0 };
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col.red = r << 8;
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col.green = g << 8;
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col.blue = b << 8;
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col.flags = DoRed | DoGreen | DoBlue;
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XAllocColor(dpy, cmap, &col);
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return col.pixel;
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}
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typedef struct {
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Window win;
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GC gc;
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unsigned long white, black, background;
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unsigned long btnBorder, highlight, shadow;
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} X11Window;
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static void X11Window_Init(X11Window* w) {
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w->black = BlackPixel(dpy, DefaultScreen(dpy));
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w->white = WhitePixel(dpy, DefaultScreen(dpy));
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w->background = X11_Col(206, 206, 206);
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w->btnBorder = X11_Col(60, 60, 60);
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w->highlight = X11_Col(144, 144, 144);
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w->shadow = X11_Col(49, 49, 49);
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w->win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, 100, 100,
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0, w->black, w->background);
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XSelectInput(dpy, w->win, ExposureMask | StructureNotifyMask |
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KeyReleaseMask | PointerMotionMask |
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ButtonPressMask | ButtonReleaseMask );
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w->gc = XCreateGC(dpy, w->win, 0, NULL);
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XSetForeground(dpy, w->gc, w->black);
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XSetBackground(dpy, w->gc, w->background);
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}
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static void X11Window_Free(X11Window* w) {
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XFreeGC(dpy, w->gc);
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XDestroyWindow(dpy, w->win);
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}
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typedef struct {
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int X, Y, Width, Height;
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int LineHeight, Descent;
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const char* Text;
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} X11Textbox;
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static void X11Textbox_Measure(X11Textbox* t, XFontStruct* font) {
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String str = String_FromReadonly(t->Text);
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int direction, ascent, descent, end, lines = 0;
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XCharStruct overall;
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for (end = 0; end >= 0; lines++) {
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end = String_IndexOf(&str, '\n', 0);
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Int32 len = end == -1 ? str.length : end;
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XTextExtents(font, str.buffer, len, &direction, &ascent, &descent, &overall);
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t->Width = max(overall.width, t->Width);
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if (end >= 0) str = String_UNSAFE_SubstringAt(&str, end + 1);
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}
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t->LineHeight = ascent + descent;
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t->Descent = descent;
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t->Height = t->LineHeight * lines;
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}
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static void X11Textbox_Draw(X11Textbox* t, X11Window* w) {
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String str = String_FromReadonly(t->Text);
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int end, y = t->Y + t->LineHeight - t->Descent; /* TODO: is -Descent even right? */
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for (end = 0; end >= 0; y += t->LineHeight) {
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end = String_IndexOf(&str, '\n', 0);
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Int32 len = end == -1 ? str.length : end;
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XDrawString(dpy, w->win, w->gc, t->X, y, str.buffer, len);
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if (end >= 0) str = String_UNSAFE_SubstringAt(&str, end + 1);
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}
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}
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typedef struct {
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int X, Y, Width, Height;
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bool Clicked;
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X11Textbox Text;
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} X11Button;
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static void X11Button_Draw(X11Button* b, X11Window* w) {
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XSetForeground(dpy, w->gc, w->btnBorder);
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XDrawRectangle(dpy, w->win, w->gc, b->X, b->Y,
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b->Width, b->Height);
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X11Textbox* t = &b->Text;
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int begX = b->X + 1, endX = b->X + b->Width - 1;
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int begY = b->Y + 1, endY = b->Y + b->Height - 1;
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if (b->Clicked) {
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XSetForeground(dpy, w->gc, w->highlight);
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XDrawRectangle(dpy, w->win, w->gc, begX, begY,
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endX - begX, endY - begY);
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} else {
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XSetForeground(dpy, w->gc, w->white);
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XDrawLine(dpy, w->win, w->gc, begX, begY,
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endX - 1, begY);
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XDrawLine(dpy, w->win, w->gc, begX, begY,
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begX, endY - 1);
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XSetForeground(dpy, w->gc, w->highlight);
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XDrawLine(dpy, w->win, w->gc, begX + 1, endY - 1,
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endX - 1, endY - 1);
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XDrawLine(dpy, w->win, w->gc, endX - 1, begY + 1,
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endX - 1, endY - 1);
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XSetForeground(dpy, w->gc, w->shadow);
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XDrawLine(dpy, w->win, w->gc, begX, endY, endX, endY);
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XDrawLine(dpy, w->win, w->gc, endX, begY, endX, endY);
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}
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XSetForeground(dpy, w->gc, w->black);
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t->X = b->X + b->Clicked + (b->Width - t->Width) / 2;
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t->Y = b->Y + b->Clicked + (b->Height - t->Height) / 2;
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X11Textbox_Draw(t, w);
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}
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static int X11Button_Contains(X11Button* b, int x, int y) {
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return x >= b->X && x < (b->X + b->Width) &&
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y >= b->Y && y < (b->Y + b->Height);
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}
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static void X11_MessageBox(const char* title, const char* text, X11Window* w) {
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X11Button ok = { 0 };
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X11Textbox body = { 0 };
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X11Window_Init(w);
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XMapWindow(dpy, w->win);
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XStoreName(dpy, w->win, title);
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Atom wmDelete = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
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XSetWMProtocols(dpy, w->win, &wmDelete, 1);
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XFontStruct* font = XQueryFont(dpy, XGContextFromGC(w->gc));
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if (!font) return;
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/* Compute size of widgets */
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body.Text = text;
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X11Textbox_Measure(&body, font);
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ok.Text.Text = "OK";
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X11Textbox_Measure(&ok.Text, font);
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ok.Width = ok.Text.Width + 70;
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ok.Height = ok.Text.Height + 10;
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/* Compute size and position of window */
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int width = body.Width + 20;
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int height = body.Height + 20 + ok.Height + 20;
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int x = DisplayWidth (dpy, DefaultScreen(dpy))/2 - width/2;
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int y = DisplayHeight(dpy, DefaultScreen(dpy))/2 - height/2;
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XMoveResizeWindow(dpy, w->win, x, y, width, height);
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/* Adjust bounds of widgets */
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body.X = 10; body.Y = 10;
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ok.X = width/2 - ok.Width/2;
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ok.Y = height - ok.Height - 10;
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XFreeFontInfo(NULL, font, 1);
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XUnmapWindow(dpy, w->win); /* Make window non resizeable */
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XSizeHints hints = { 0 };
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hints.flags = PSize | PMinSize | PMaxSize;
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hints.min_width = hints.max_width = hints.base_width = width;
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hints.min_height = hints.max_height = hints.base_height = height;
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XSetWMNormalHints(dpy, w->win, &hints);
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XMapRaised(dpy, w->win);
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XFlush(dpy);
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XEvent e;
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int mouseX = -1, mouseY = -1;
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for (;;) {
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XNextEvent(dpy, &e);
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switch (e.type)
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{
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case ButtonPress:
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case ButtonRelease:
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if (e.xbutton.button != Button1) break;
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int over = X11Button_Contains(&ok, mouseX, mouseY);
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if (ok.Clicked && e.type == ButtonRelease) {
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if (over) return;
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}
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ok.Clicked = e.type == ButtonPress && over;
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/* fallthrough to redraw window */
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case Expose:
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case MapNotify:
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XClearWindow(dpy, w->win);
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X11Textbox_Draw(&body, w);
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X11Button_Draw(&ok, w);
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XFlush(dpy);
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break;
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case KeyRelease:
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if (XLookupKeysym(&e.xkey, 0) == XK_Escape) return;
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break;
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case ClientMessage:
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if (e.xclient.data.l[0] == wmDelete) return;
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break;
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case MotionNotify:
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mouseX = e.xmotion.x; mouseY = e.xmotion.y;
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break;
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}
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}
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}
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void ErrorHandler_Init(const char* logFile) {
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/* TODO: Implement this */
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}
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void ErrorHandler_ShowDialog(const char* title, const char* msg) {
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/* TODO: Implement this */
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X11Window w = { 0 };
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dpy = DisplayDevice_Meta[0];
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X11_MessageBox(title, msg, &w);
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X11Window_Free(&w);
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}
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void ErrorHandler_Backtrace(STRING_TRANSIENT String* str, void* ctx) {
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