From: Michael D. Lowis <mike@mdlowis.com>
Date: Thu, 9 May 2019 02:57:46 +0000 (-0400)
Subject: fixed event handling and refactored some more
X-Git-Url: https://git.mdlowis.com/?a=commitdiff_plain;h=555976c700a7d10bb14f6f6c9e07561c16788cde;p=projs%2Ftide.git

fixed event handling and refactored some more
---

diff --git a/inc/x11.h b/inc/x11.h
index 9331416..50a9129 100644
--- a/inc/x11.h
+++ b/inc/x11.h
@@ -9,7 +9,7 @@ AUTOLIB(fontconfig)
 
 typedef struct XConf {
     Bool running, error;
-    int fd, screen, width, height;
+    int fd, screen, width, height, mods;
     Window root;
     Display* display;
     Visual* visual;
@@ -131,7 +131,7 @@ XErrorEvent* x11_error_get(void);
 
 void x11_mkwin(XConf* x, int width, int height, int evmask);
 void x11_mkdialog(XConf* x, int width, int height, int evmask);
-int x11_process_events(XConf* x);
+int x11_process_events(XConf* x, void (*redrawfn)(XConf*));
 void x11_event_loop(XConf* x, void (*redraw)(XConf* x));
 int x11_getptr(XConf* x, int* ptrx, int* ptry);
 uint32_t x11_getkey(XConf* x, XEvent* e);
diff --git a/src/lib/x11.c b/src/lib/x11.c
index 1f15a21..586e600 100644
--- a/src/lib/x11.c
+++ b/src/lib/x11.c
@@ -68,17 +68,18 @@ void x11_mkdialog(XConf* x, int width, int height, int evmask) {
     XChangeProperty(x->display, x->self, WindowType, XA_ATOM, 32, PropModeReplace, (unsigned char*)&DialogType, 1);
 }
 
-static void update_time(XConf* x, XEvent* e) {
+static void update_state(XConf* x, XEvent* e) {
     if (
         (e->type == KeyPress) || (e->type == ButtonPress) ||
         (e->type == ButtonRelease) || (e->type == MotionNotify)
     ) {
         x->now = e->xkey.time;
+        x->mods = e->xkey.state;
     }
 }
 
-int x11_process_events(XConf* x) {
-    int nqueued, nevents, dirty = false;
+int x11_process_events(XConf* x, void (*redrawfn)(XConf*)) {
+    int nqueued, nevents;
     /* reap zombie background processes */
     for (int status; waitpid(-1, &status, WNOHANG) > 0;);
     /* process the entire event queue */
@@ -87,14 +88,13 @@ int x11_process_events(XConf* x) {
         XGetMotionEvents(x->display, x->self, CurrentTime, CurrentTime, &nevents);
         for (XEvent e; XPending(x->display);) {
             XNextEvent(x->display, &e);
-            update_time(x, &e);
-            if (e.type == Expose) dirty = 1;
+            update_state(x, &e);
             if (!XFilterEvent(&e, None) && x->eventfns[e.type])
                 (x->eventfns[e.type])(x, &e);
         }
-        dirty = dirty || nqueued;
+        if (nqueued) redrawfn(x);
     } while ((nqueued = XEventsQueued(x->display, QueuedAfterFlush)) > 0);
-    return dirty;
+    return 0;
 }
 
 void x11_event_loop(XConf* x, void (*redraw)(XConf* x)) {
diff --git a/src/tframe.c b/src/tframe.c
index 8c95559..b1cc21b 100644
--- a/src/tframe.c
+++ b/src/tframe.c
@@ -73,26 +73,30 @@ static void xkeypress(XConf* x, XEvent* e) {
 
 /* X11 Drawing Code
  ******************************************************************************/
-static void xupdate(Job* job) {
-    /* redraw if we have changes */
-    if (!x11_process_events(&X) && job) return;
+
+static void xredraw(XConf* x) {
     /* determine the size of the regions */
-    size_t maxtagrows = ((X.height/4) / X.font->height);
+    size_t maxtagrows = ((x->height/4) / x->font->height);
     size_t tagrows = view_limitrows(&Tags, maxtagrows);
     /* draw the regions to the window */
-    drawcsr csr = { .w = X.width, .h = X.height };
+    drawcsr csr = { .w = x->width, .h = x->height };
     csr.x += ScrollWidth + 1;
-    draw_statbox(&X, NORMAL);
-    draw_view(&X, &Tags, X.font, tagrows, &csr, TagsBg, TagsFg, TagsSel, false);
+    draw_statbox(x, NORMAL);
+    draw_view(x, &Tags, x->font, tagrows, &csr, TagsBg, TagsFg, TagsSel, false);
     int prev_div = Divider;
-    Divider = draw_hrule(&X, &csr);
-    draw_rect(&X, EditBg, 0, Divider+2, csr.w, csr.h);
-    XCopyArea(X.display, X.pixmap, X.self, X.gc, 0, 0, X.width, X.height, 0, 0);
+    Divider = draw_hrule(x, &csr);
+    draw_rect(x, EditBg, 0, Divider+2, csr.w, csr.h);
+    XCopyArea(x->display, x->pixmap, x->self, x->gc, 0, 0, x->width, x->height, 0, 0);
     if ((retile || prev_div != Divider) && Child) {
-        XMoveResizeWindow(X.display, Child, -1, Divider, X.width, X.height - Divider);
+        XMoveResizeWindow(x->display, Child, -1, Divider, x->width, x->height - Divider);
         retile = 0;
     }
-    XFlush(X.display);
+    XFlush(x->display);
+}
+
+static void xupdate(Job* job) {
+    x11_process_events(&X, xredraw);
+    if (!job) xredraw(&X);
 }
 
 void win_init(void) {
diff --git a/src/tide.c b/src/tide.c
index a64a197..d0d20b7 100644
--- a/src/tide.c
+++ b/src/tide.c
@@ -36,7 +36,6 @@ char* ARGV0;
 static Tag Builtins[18];
 static KeyBinding Bindings[];
 static struct XConf X;
-static int KeyBtnState;
 static WinRegion Focused = EDIT;
 static View Regions[NREGIONS];
 static int Divider;
@@ -173,27 +172,23 @@ size_t glyph_width(View* view, int c) {
 static void xkeypress(XConf* x, XEvent* e) {
     uint32_t key = x11_process_key(x, e, Bindings);
     Focused = (e->xkey.y <= Divider ? TAGS : EDIT);
-    KeyBtnState = e->xkey.state;
     if (key != RUNE_ERR)
         view_insert(win_view(FOCUSED), key);
 }
 
 static void xbtnpress(XConf* x, XEvent* e) {
     (void)x;
-    KeyBtnState = (e->xbutton.state | (1 << (e->xbutton.button + 7)));
     mouse_click(e->xbutton.button, e->xbutton.state, true, e->xbutton.x,  e->xbutton.y);
 }
 
 static void xbtnrelease(XConf* x, XEvent* e) {
     (void)x;
-    KeyBtnState = (KeyBtnState & ~(1 << (e->xbutton.button + 7)));
     mouse_click(e->xbutton.button, e->xbutton.state, false, e->xbutton.x,  e->xbutton.y);
 }
 
 static void xbtnmotion(XConf* x, XEvent* e) {
     while (XCheckTypedEvent(x->display, MotionNotify, e));
     size_t row, col;
-    KeyBtnState = e->xbutton.state;
     int xpos = e->xbutton.x, ypos = e->xbutton.y;
     get_position(Focused, xpos, ypos, &row, &col);
     if (PRESSED(e->xbutton.state, MouseLeft))
@@ -207,27 +202,30 @@ static void xclientmsg(XConf* x, XEvent* e) {
         win_setln(e->xclient.data.l[0]);
 }
 
-static void xupdate(Job* job) {
-    /* redraw if we have changes */
-    if (!x11_process_events(&X) && job) return;
+static void xredraw(XConf* x) {
     /* force update the title */
     win_title(NULL);
     /* determine the size of the regions */
-    size_t maxtagrows = ((X.height/4) / X.tagfont->height);
+    size_t maxtagrows = ((x->height/4) / x->tagfont->height);
     size_t tagrows = view_limitrows(win_view(TAGS), maxtagrows);
-    size_t tagregsz = (tagrows * X.tagfont->height) + 7;
-    size_t editrows = (X.height - tagregsz) / X.font->height ;
+    size_t tagregsz = (tagrows * x->tagfont->height) + 7;
+    size_t editrows = (x->height - tagregsz) / x->font->height ;
     /* draw the regions to the window */
-    drawcsr csr = { .w = X.width, .h = X.height };
+    drawcsr csr = { .w = x->width, .h = x->height };
     csr.x += ScrollWidth + 1;
-    draw_statbox(&X, win_view(EDIT)->buffer.status);
-    draw_view(&X, &Regions[TAGS], X.tagfont, tagrows, &csr, TagsBg, TagsFg, TagsSel, false);
-    Divider = draw_hrule(&X, &csr);
-    draw_view(&X, &Regions[EDIT], X.font, editrows, &csr, EditBg, EditFg, EditSel, SyncMouse);
-    draw_scroll(&X, &csr, win_view(EDIT), Divider);
-    XCopyArea(X.display, X.pixmap, X.self, X.gc, 0, 0, X.width, X.height, 0, 0);
+    draw_statbox(x, win_view(EDIT)->buffer.status);
+    draw_view(x, &Regions[TAGS], x->tagfont, tagrows, &csr, TagsBg, TagsFg, TagsSel, false);
+    Divider = draw_hrule(x, &csr);
+    draw_view(x, &Regions[EDIT], x->font, editrows, &csr, EditBg, EditFg, EditSel, SyncMouse);
+    draw_scroll(x, &csr, win_view(EDIT), Divider);
+    XCopyArea(x->display, x->pixmap, x->self, x->gc, 0, 0, x->width, x->height, 0, 0);
     SyncMouse = false;
-    XFlush(X.display);
+    XFlush(x->display);
+}
+
+static void xupdate(Job* job) {
+    /* redraw if we have changes */
+    if (!x11_process_events(&X, xredraw) && job) return;
 }
 
 void win_init(void) {
@@ -332,7 +330,7 @@ Buf* win_buf(WinRegion id) {
 }
 
 bool win_keymodsset(int mask) {
-    return ((KeyBtnState & mask) == mask);
+    return ((X.mods & mask) == mask);
 }
 
 void win_setln(int line_num) {