Move textscreen GUI demos into an examples/ subdir.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 524

3 files changed, 372 insertions, 0 deletions

diff --git a/textscreen/examples/Makefile.am b/textscreen/examples/Makefile.am
new file mode 100644
index 00000000..001416c5
--- /dev/null
+++ b/textscreen/examples/Makefile.am
@@ -0,0 +1,11 @@
+
+AM_CFLAGS = @SDL_CFLAGS@ -I.. -I../../src
+
+noinst_PROGRAMS=guitest calculator
+
+guitest_LDADD = @LDFLAGS@ @SDL_LIBS@ ../libtextscreen.a
+guitest_SOURCES = guitest.c
+
+calculator_LDADD = @LDFLAGS@ @SDL_LIBS@ ../libtextscreen.a
+calculator_SOURCES = calculator.c
+
diff --git a/textscreen/examples/calculator.c b/textscreen/examples/calculator.c
new file mode 100644
index 00000000..d51d4f9c
--- /dev/null
+++ b/textscreen/examples/calculator.c
@@ -0,0 +1,160 @@
+
+#include <stdio.h>
+#include <string.h>
+#include "txt_button.h"
+#include "txt_desktop.h"
+#include "txt_label.h"
+
+typedef enum
+{
+    OP_NONE,
+    OP_PLUS,
+    OP_MINUS,
+    OP_MULT,
+    OP_DIV,
+} operator_t;
+
+int starting_input = 0;
+int input_value = 0;
+txt_label_t *input_box;
+int first_operand;
+operator_t operator = OP_NONE;
+
+void UpdateInputBox(void)
+{
+    char buf[20];
+
+    sprintf(buf, " %i", input_value);
+    TXT_SetLabel(input_box, buf);
+}
+
+void InsertNumber(TXT_UNCAST_ARG(button), TXT_UNCAST_ARG(value))
+{
+    TXT_CAST_ARG(int, value);
+
+    if (starting_input)
+    {
+        input_value = 0;
+        starting_input = 0;
+    }
+    
+    input_value *= 10;
+    input_value += *value;
+    UpdateInputBox();
+}
+
+void AddNumberButton(txt_table_t *table, int value)
+{
+    txt_button_t *button;
+    char buf[10];
+    int *val_copy;
+
+    val_copy = malloc(sizeof(int));
+    *val_copy = value;
+
+    sprintf(buf, "  %i  ", value);
+
+    button = TXT_NewButton(buf);
+    TXT_AddWidget(table, button);
+    TXT_SignalConnect(button, "pressed", InsertNumber, val_copy);
+}
+
+void Operator(TXT_UNCAST_ARG(button), TXT_UNCAST_ARG(op))
+{
+    TXT_CAST_ARG(operator_t, op);
+
+    first_operand = input_value;
+    operator = *op;
+    starting_input = 1;
+}
+
+void AddOperatorButton(txt_table_t *table, char *label, operator_t op)
+{
+    txt_button_t *button;
+    char buf[10];
+    operator_t *op_copy;
+
+    op_copy = malloc(sizeof(operator_t));
+    *op_copy = op;
+
+    sprintf(buf, "  %s  ", label);
+    button = TXT_NewButton(buf);
+
+    TXT_AddWidget(table, button);
+    TXT_SignalConnect(button, "pressed", Operator, op_copy);
+}
+
+void Calculate(TXT_UNCAST_ARG(button), void *unused)
+{
+    switch (operator)
+    {
+        case OP_PLUS:
+            input_value = first_operand + input_value;
+            break;
+        case OP_MINUS:
+            input_value = first_operand - input_value;
+            break;
+        case OP_MULT:
+            input_value = first_operand * input_value;
+            break;
+        case OP_DIV:
+            input_value = first_operand / input_value;
+            break;
+    }
+
+    UpdateInputBox();
+
+    operator = OP_NONE;
+    starting_input = 1;
+}
+
+void BuildGUI()
+{
+    txt_window_t *window;
+    txt_table_t *table;
+    txt_button_t *equals_button;
+    
+    window = TXT_NewWindow("Calculator");
+
+    TXT_AddWidget(window, TXT_NewSeparator(NULL));
+    input_box = TXT_NewLabel("asdf");
+    TXT_AddWidget(window, input_box);
+    TXT_AddWidget(window, TXT_NewSeparator(NULL));
+    TXT_AddWidget(window, TXT_NewLabel(""));
+
+    table = TXT_NewTable(4);
+    TXT_AddWidget(window, table);
+
+    AddNumberButton(table, 7);
+    AddNumberButton(table, 8);
+    AddNumberButton(table, 9);
+    AddOperatorButton(table, "*", OP_MULT);
+    AddNumberButton(table, 4);
+    AddNumberButton(table, 5);
+    AddNumberButton(table, 6);
+    AddOperatorButton(table, "-", OP_MINUS);
+    AddNumberButton(table, 1);
+    AddNumberButton(table, 2);
+    AddNumberButton(table, 3);
+    AddOperatorButton(table, "+", OP_PLUS);
+    AddNumberButton(table, 0);
+    TXT_AddWidget(table, TXT_NewLabel(""));
+    equals_button = TXT_NewButton("  =  ");
+    TXT_SignalConnect(equals_button, "pressed", Calculate, NULL);
+    TXT_AddWidget(table, equals_button);
+    AddOperatorButton(table, "/", OP_DIV);
+    
+    TXT_AddWidget(window, TXT_NewLabel(""));
+    UpdateInputBox();
+}
+
+int main()
+{
+    TXT_Init();
+    TXT_SetDesktopTitle("Calculator demo");
+
+    BuildGUI();
+
+    TXT_GUIMainLoop();
+}
+
diff --git a/textscreen/examples/guitest.c b/textscreen/examples/guitest.c
new file mode 100644
index 00000000..23df5282
--- /dev/null
+++ b/textscreen/examples/guitest.c
@@ -0,0 +1,201 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "doomkeys.h"
+
+#include "txt_main.h"
+
+#include "txt_checkbox.h"
+#include "txt_button.h"
+#include "txt_desktop.h"
+#include "txt_inputbox.h"
+#include "txt_label.h"
+#include "txt_radiobutton.h"
+#include "txt_separator.h"
+#include "txt_table.h"
+#include "txt_window.h"
+
+enum 
+{
+    RADIO_VALUE_BADGER,
+    RADIO_VALUE_MUSHROOM,
+    RADIO_VALUE_SNAKE,
+};
+char *radio_values[] = { "Badger", "Mushroom", "Snake" };
+char *textbox_value = NULL;
+int numbox_value = 0;
+int radiobutton_value;
+txt_label_t *value_label;
+txt_window_t *firstwin;
+int cheesy;
+
+void ClosePwnBox(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(window))
+{
+    TXT_CAST_ARG(txt_window_t, window);
+
+    TXT_CloseWindow(window);
+}
+
+void PwnBox(TXT_UNCAST_ARG(widget), void *user_data)
+{
+    txt_window_t *window;
+    txt_window_action_t *close_button;
+    
+    window = TXT_NewWindow("Pwned!");
+    TXT_AddWidget(window, TXT_NewLabel(" BOOM! HEADSHOT! "));
+
+    close_button = TXT_NewWindowAction(KEY_ENTER, "Close");
+    TXT_SignalConnect(close_button, "pressed", ClosePwnBox, window);
+
+    TXT_SetWindowAction(window, TXT_HORIZ_LEFT, NULL);
+    TXT_SetWindowAction(window, TXT_HORIZ_RIGHT, close_button);
+}
+
+void UpdateLabel(TXT_UNCAST_ARG(widget), void *user_data)
+{
+    char buf[40];
+    
+    strcpy(buf, " Current value: ");
+    if (cheesy)
+    {
+        strcat(buf, "Cheesy ");
+    }
+    strcat(buf, radio_values[radiobutton_value]);
+    strcat(buf, "\n");
+
+    TXT_SetLabel(value_label, buf);
+}
+
+void CloseWindow(TXT_UNCAST_ARG(button), void *user_data)
+{
+    TXT_CloseWindow(firstwin);
+}
+
+void SetupWindow(void)
+{
+    txt_window_t *window;
+    txt_table_t *table;
+    txt_table_t *leftpane, *rightpane;
+    txt_button_t *button;
+    txt_checkbox_t *cheesy_checkbox;
+    txt_window_action_t *pwn;
+    char buf[100];
+    int i;
+    
+    window = TXT_NewWindow("Window test");
+
+    TXT_AddWidget(window, TXT_NewSeparator("Main section"));
+    table = TXT_NewTable(3);
+
+    TXT_AddWidget(window, TXT_NewLabel(" This is a multiline label.\n"
+                                       " A single label object contains \n"
+                                       " all three of these lines.\n"));
+
+    TXT_AddWidget(window, table);
+
+    for (i=0; i<5; ++i)
+    {
+        sprintf(buf, " Option %i in a table:", i + 1);
+        TXT_AddWidget(table, TXT_NewLabel(buf));
+        sprintf(buf, "Button %i-1", i + 1);
+        TXT_AddWidget(table, TXT_NewButton(buf));
+        sprintf(buf, "Button %i-2", i + 1);
+        TXT_AddWidget(table, TXT_NewButton(buf));
+    }
+
+    TXT_AddWidget(window, TXT_NewLabel(""));
+    value_label = TXT_NewLabel("");
+    TXT_AddWidget(window, value_label);
+
+    table = TXT_NewTable(2);
+    TXT_AddWidget(window, table);
+
+    cheesy_checkbox = TXT_NewCheckBox("Cheesy", &cheesy);
+    TXT_AddWidget(table, cheesy_checkbox);
+    TXT_SignalConnect(cheesy_checkbox, "changed", UpdateLabel, NULL);
+
+    rightpane = TXT_NewTable(1);
+    TXT_AddWidget(table, rightpane);
+
+    for (i=0; i<3; ++i)
+    {
+        txt_radiobutton_t *rbut;
+
+        rbut = TXT_NewRadioButton(radio_values[i], &radiobutton_value, i);
+        TXT_AddWidget(rightpane, rbut);
+        TXT_SignalConnect(rbut, "selected", UpdateLabel, NULL);
+    }
+
+    UpdateLabel(NULL, NULL);
+                                     
+    button = TXT_NewButton("Close Window");
+    TXT_AddWidget(window, button);
+
+    TXT_SignalConnect(button, "pressed", CloseWindow, NULL);
+
+    pwn = TXT_NewWindowAction(KEY_F1, "PWN!");
+    TXT_SetWindowAction(window, TXT_HORIZ_CENTER, pwn);
+    TXT_SignalConnect(pwn, "pressed", PwnBox, NULL);
+
+    firstwin = window;
+}
+
+void Window2(void)
+{
+    txt_window_t *window;
+    txt_table_t *table;
+    int i;
+    
+    window = TXT_NewWindow("Another test");
+    TXT_SetWindowPosition(window, 
+                          TXT_HORIZ_RIGHT, 
+                          TXT_VERT_TOP, 
+                          TXT_SCREEN_W - 1, 1);
+
+    for (i=0; i<5; ++i)
+    {
+        TXT_AddWidget(window, TXT_NewButton("hello there blah blah blah blah"));
+    }
+
+    TXT_AddWidget(window, TXT_NewSeparator("Input boxes"));
+    table = TXT_NewTable(2);
+    TXT_AddWidget(window, table);
+    TXT_AddWidget(table, TXT_NewLabel(" String: "));
+    TXT_AddWidget(table, TXT_NewInputBox(&textbox_value, 30));
+    TXT_AddWidget(table, TXT_NewLabel(" Int: "));
+    TXT_AddWidget(table, TXT_NewIntInputBox(&numbox_value, 10));
+}
+
+void DrawASCIIChart()
+{
+    int x, y;
+
+    TXT_ClearScreen();
+
+    for (y=0; y<16; ++y)
+    {
+        for (x=0; x<16; ++x)
+        {
+            TXT_PutChar(' ');
+            TXT_PutChar(' ');
+            TXT_PutChar(' ');
+            TXT_PutChar(y * 16 + x);
+        }
+        TXT_PutChar('\n');
+    }
+}
+
+int main()
+{
+    TXT_Init();
+
+    TXT_SetDesktopTitle("Not Chocolate Doom Setup");
+
+    Window2();
+    SetupWindow();
+
+    TXT_GUIMainLoop();
+}
+
+