From 52e25213825024b8bb446eb26b03bedc9d5c2103 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 11:00:29 +0200
Subject: Adding upstream version 3.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 InfoScreen.c | 177 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 177 insertions(+)
 create mode 100644 InfoScreen.c

(limited to 'InfoScreen.c')

diff --git a/InfoScreen.c b/InfoScreen.c
new file mode 100644
index 0000000..105d9c3
--- /dev/null
+++ b/InfoScreen.c
@@ -0,0 +1,177 @@
+#include "config.h" // IWYU pragma: keep
+
+#include "InfoScreen.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "CRT.h"
+#include "IncSet.h"
+#include "ListItem.h"
+#include "Object.h"
+#include "ProvideCurses.h"
+#include "XUtils.h"
+
+
+static const char* const InfoScreenFunctions[] = {"Search ", "Filter ", "Refresh", "Done   ", NULL};
+
+static const char* const InfoScreenKeys[] = {"F3", "F4", "F5", "Esc"};
+
+static const int InfoScreenEvents[] = {KEY_F(3), KEY_F(4), KEY_F(5), 27};
+
+InfoScreen* InfoScreen_init(InfoScreen* this, const Process* process, FunctionBar* bar, int height, const char* panelHeader) {
+   this->process = process;
+   if (!bar) {
+      bar = FunctionBar_new(InfoScreenFunctions, InfoScreenKeys, InfoScreenEvents);
+   }
+   this->display = Panel_new(0, 1, COLS, height, Class(ListItem), false, bar);
+   this->inc = IncSet_new(bar);
+   this->lines = Vector_new(Vector_type(this->display->items), true, DEFAULT_SIZE);
+   Panel_setHeader(this->display, panelHeader);
+   return this;
+}
+
+InfoScreen* InfoScreen_done(InfoScreen* this) {
+   Panel_delete((Object*)this->display);
+   IncSet_delete(this->inc);
+   Vector_delete(this->lines);
+   return this;
+}
+
+void InfoScreen_drawTitled(InfoScreen* this, const char* fmt, ...) {
+   va_list ap;
+   va_start(ap, fmt);
+
+   char title[COLS + 1];
+   int len = vsnprintf(title, sizeof(title), fmt, ap);
+   va_end(ap);
+
+   if (len > COLS) {
+      memset(&title[COLS - 3], '.', 3);
+   }
+
+   attrset(CRT_colors[METER_TEXT]);
+   mvhline(0, 0, ' ', COLS);
+   mvaddstr(0, 0, title);
+   attrset(CRT_colors[DEFAULT_COLOR]);
+   Panel_draw(this->display, true, true, true, false);
+
+   IncSet_drawBar(this->inc, CRT_colors[FUNCTION_BAR]);
+}
+
+void InfoScreen_addLine(InfoScreen* this, const char* line) {
+   Vector_add(this->lines, (Object*) ListItem_new(line, 0));
+   const char* incFilter = IncSet_filter(this->inc);
+   if (!incFilter || String_contains_i(line, incFilter, true)) {
+      Panel_add(this->display, Vector_get(this->lines, Vector_size(this->lines) - 1));
+   }
+}
+
+void InfoScreen_appendLine(InfoScreen* this, const char* line) {
+   ListItem* last = (ListItem*)Vector_get(this->lines, Vector_size(this->lines) - 1);
+   ListItem_append(last, line);
+   const char* incFilter = IncSet_filter(this->inc);
+   if (incFilter && Panel_get(this->display, Panel_size(this->display) - 1) != (Object*)last && String_contains_i(line, incFilter, true)) {
+      Panel_add(this->display, (Object*)last);
+   }
+}
+
+void InfoScreen_run(InfoScreen* this) {
+   Panel* panel = this->display;
+
+   if (As_InfoScreen(this)->scan)
+      InfoScreen_scan(this);
+
+   InfoScreen_draw(this);
+
+   bool looping = true;
+   while (looping) {
+
+      Panel_draw(panel, false, true, true, false);
+      IncSet_drawBar(this->inc, CRT_colors[FUNCTION_BAR]);
+
+      int ch = Panel_getCh(panel);
+
+      if (ch == ERR) {
+         if (As_InfoScreen(this)->onErr) {
+            InfoScreen_onErr(this);
+            continue;
+         }
+      }
+
+#ifdef HAVE_GETMOUSE
+      if (ch == KEY_MOUSE) {
+         MEVENT mevent;
+         int ok = getmouse(&mevent);
+         if (ok == OK) {
+            if (mevent.bstate & BUTTON1_RELEASED) {
+               if (mevent.y >= panel->y && mevent.y < LINES - 1) {
+                  Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV - 1);
+                  ch = 0;
+               } else if (mevent.y == LINES - 1) {
+                  ch = IncSet_synthesizeEvent(this->inc, mevent.x);
+               }
+            }
+            #if NCURSES_MOUSE_VERSION > 1
+            else if (mevent.bstate & BUTTON4_PRESSED) {
+               ch = KEY_WHEELUP;
+            } else if (mevent.bstate & BUTTON5_PRESSED) {
+               ch = KEY_WHEELDOWN;
+            }
+            #endif
+         }
+      }
+#endif
+
+      if (this->inc->active) {
+         IncSet_handleKey(this->inc, ch, panel, IncSet_getListItemValue, this->lines);
+         continue;
+      }
+
+      switch (ch) {
+      case ERR:
+         continue;
+      case KEY_F(3):
+      case '/':
+         IncSet_activate(this->inc, INC_SEARCH, panel);
+         break;
+      case KEY_F(4):
+      case '\\':
+         IncSet_activate(this->inc, INC_FILTER, panel);
+         break;
+      case KEY_F(5):
+         clear();
+         if (As_InfoScreen(this)->scan) {
+            Vector_prune(this->lines);
+            InfoScreen_scan(this);
+         }
+
+         InfoScreen_draw(this);
+         break;
+      case '\014': // Ctrl+L
+         clear();
+         InfoScreen_draw(this);
+         break;
+      case 27:
+      case 'q':
+      case KEY_F(10):
+         looping = false;
+         break;
+      case KEY_RESIZE:
+         Panel_resize(panel, COLS, LINES - 2);
+         if (As_InfoScreen(this)->scan) {
+            Vector_prune(this->lines);
+            InfoScreen_scan(this);
+         }
+
+         InfoScreen_draw(this);
+         break;
+      default:
+         if (As_InfoScreen(this)->onKey && InfoScreen_onKey(this, ch)) {
+            continue;
+         }
+         Panel_onKey(panel, ch);
+      }
+   }
+}
-- 
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